Class / Patent application number | Description | Number of patent applications / Date published |
029623500 | Including coating or impregnating | 86 |
20080196241 | Method For Producing, Maturing and Drying Negative and Positive Plates For Lead Accumulators - A method for producing, maturing and drying negative and positive plates for lead accumulators during which, in a pasting step, the plates are manufactured by introducing lead paste serving as an active material into an electrode support. The plates are directly placed one atop the other in stacks; the plates are matured at temperatures higher than 70° C. while maintaining a residual moisture of the active material, which prevents or reduces a spontaneous oxidation of the lead oxides, to form a porous cross-linked structure comprised of 3- and/or 4-basic lead sulfates, the 3- and/or 4-basic lead sulfates having a greater density than that of the active material that forms the starting material, and; the plates are dried to a desired final moisture while exploiting a permeability, which is suited for the active material due to the porosity resulting from the maturing, and the oxidation of lead remaining in the active material in the plate stack by applying an overpressure or underpressure, which has a pressure difference of more than 10 mbar between an inflow side and an outflow side of the plate stack, by means of oxygen-containing gas flowing through the active material. | 08-21-2008 |
20080263855 | Thin film battery substrate cutting and fabrication process - A method of fabricating a battery comprises selecting a battery substrate having cleavage planes, and cutting the battery substrate with pulsed laser bursts from a pulsed laser beam to control or limit fracture along the cleavage planes. The pulsed laser beam was also found to work well on thin substrates which are sized less than 100 microns. Before or after the cutting step, a plurality of battery component films can be deposited on the battery substrate. The battery component films include at least a pair of electrodes about an electrolyte which cooperate to form a battery. | 10-30-2008 |
20080289172 | Laminate type battery and method for manufacturing the same - A laminate type battery comprises a substrate, a power generating element which has at least one single cell made by a positive electrode layer, an electrolyte layer and a negative electrode layer which are sandwiched by collecting layers from both sides thereof, and an electric circuit portion having electrode terminals which connect the collecting layers to an external device and circuitries which connect the collecting layers and the electrode terminals. In the battery, the power generating element and the electric circuit portion are formed by stacking a plurality of layers on the substrate, and each of the layers is configured such that the power generating element and the electric circuit portion are formed by stacking the layers. | 11-27-2008 |
20090070989 | Lithium cell cathode - A primary cell having an anode comprising lithium and a cathode comprising iron disulfide (FeS | 03-19-2009 |
20090119908 | METHOD FOR PRODUCING POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY CELL AND METHOD FOR PRODUCING NON-AQUEOUS ELECTROLYTE SECONDARY CELL - A method for producing with a high yield a high performance non-aqueous electrolyte secondary cell with a reduced cost is provided. The method includes the steps of: a baking step of baking a positive electrode active material precursor containing a lithium source and a nickel source in order to render the positive electrode active material precursor a lithium nickel composite oxide; a measuring step of measuring the amount of carbon dioxide gas occurring when the lithium nickel composite oxide is heated to 200° C. or higher and 1500° C. or lower in an inactive gas atmosphere; a selecting step of selecting a lithium nickel composite oxide satisfying the following formulas: | 05-14-2009 |
20090193649 | METHOD FOR THE MANUFACTURE OF A THIN FILM ELECTROCHEMICAL ENERGY SOURCE AND DEVICE - The invention relates to a method for the manufacture of a thin film electrochemical energy source. The invention also relates to a thin film electrochemical energy source. The invention also relates to an electrical device comprising such a thin film electrochemical energy source. The invention enables a more rapid and efficient manufacture of thin film batteries and devices containing such batteries. | 08-06-2009 |
20090199394 | Flexible Cathodes - This disclosure relates to methods of making a cathode for a lithium batter. The methods include: (a) treating a cathode current collector with flame or corona; (b) coating a slurry containing iron disulfide, a first solvent, and a binder onto the cathode current collector obtained from step (a) to form a coated cathode current collector, in which the slurry contains about 73-75% by weight solids and the binder contains a polymer selected from the group consisting of linear di- and tri-block copolymers, linear tri-block copolymers cross-linked with melamine resin, ethylene-propylene copolymers, ethylene-propylene-diene terpolymers, tri-block fluorinated thermoplastics, hydrogenated nitrile rubbers, fluoro-ethylene-vinyl ether copolymers, thermoplastic polyurethanes, thermoplastic olefins, and polyvinylidene fluoride homopolymers; and (c) drying the coated cathode current collector obtained from step (b) to provide a cathode, in which the cathode contains no more than 0.5% by volume of the first solvent and is capable of being bent to 180°. This disclosure also relates to methods of making a lithium battery. | 08-13-2009 |
20090235520 | Non-Aqueous Electrolyte Secondary Cell - A non-aqueous electrolyte secondary cell including: a cathode containing a compound expressed by a general formula A | 09-24-2009 |
20090293262 | BIPOLAR PLATE FOR FUEL CELL AND METHOD FOR MANUFACTURING SAME - In a bipolar plate for a fuel cell including a metal substrate and a metallic coating formed on at least part of a surface of the metal substrate, the durability or the resilience is elevated by suitably selecting a material or a shape of the metal substrate and/or the metallic coating. The material of the metal substrate includes one or more of metals or metal alloys selected from a group consisting of iron, nickel, alloys thereof and stainless steel; and the metallic coating includes a combination of conductive platinum-group metal oxides. The metal substrate may be a thermally oxidized substrate, and the metallic coating may be a conductive oxide. Further, the metallic coating may be a metallic porous element or a metallic porous element having a passivity prevention layer on the surface thereof. | 12-03-2009 |
20090307895 | Electrochemical Apparatus With Barrier Layer Protected Substrate - The present invention relates to apparatus, compositions and methods of fabricating high performance thin-film batteries on metallic substrates, polymeric substrates, or doped or undoped silicon substrates by fabricating an appropriate barrier layer composed, for example, of barrier sublayers between the substrate and the battery part of the present invention thereby separating these two parts chemically during the entire battery fabrication process as well as during any operation and storage of the electrochemical apparatus during its entire lifetime. In a preferred embodiment of the present invention thin-film batteries fabricated onto a thin, flexible stainless steel foil substrate using an appropriate barrier layer that is composed of barrier sublayers have uncompromised electrochemical performance compared to thin-film batteries fabricated onto ceramic substrates when using a 700° C. post-deposition anneal process for a LiCoO | 12-17-2009 |
20090307896 | Electrochemical Apparatus With Barrier Layer Protected Substrate - The present invention relates to apparatus, compositions and methods of fabricating high performance thin-film batteries on metallic substrates, polymeric substrates, or doped or undoped silicon substrates by fabricating an appropriate barrier layer composed, for example, of barrier sublayers between the substrate and the battery part of the present invention thereby separating these two parts chemically during the entire battery fabrication process as well as during any operation and storage of the electrochemical apparatus during its entire lifetime. In a preferred embodiment of the present invention thin-film batteries fabricated onto a thin, flexible stainless steel foil substrate using an appropriate barrier layer that is composed of barrier sublayers have uncompromised electrochemical performance compared to thin-film batteries fabricated onto ceramic substrates when using a 700° C. post-deposition anneal process for a LiCoO | 12-17-2009 |
20090313813 | Method for Producing Functional Membrane - A method is provided for producing a functional membrane having a structure in which pores of a porous substrate are filled with a functional polymer, the method having improved productivity and improving the stability of performance. | 12-24-2009 |
20090313814 | METHOD OF PRODUCING NONAQUEOUS SECONDARY BATTERY - A main object of the present invention is to provide a method of producing a nonaqueous secondary battery which can produce a nonaqueous secondary battery while restraining the formation of oxide film on the anode layer surface. To attain the object, the present invention provides a method of producing a nonaqueous secondary battery comprising steps of: an anode layer forming step of forming an anode layer of metal thin film on an anode current collector; an oxide film removing step of removing an oxide film formed on the anode layer surface; a drying step of drying the anode layer, from which the oxide film is removed, under an inert gas atmosphere; a cooling step of cooling the dried anode layer under an inert gas atmosphere; a transfer step of transferring the cooled anode layer to an assembling area: and an assembling step of assembling a nonaqueous secondary battery under an inert gas atmosphere by using the anode layer transferred to the assembling area. | 12-24-2009 |
20100018036 | Formulation of nano-scale electrolyte suspensions and its application process for fabrication of solid oxide fuel cell-membrane electrode assembly (SOFC-MEA) - This invention describes the recipe and preparation process of nano-scale electrolyte suspension and its application via a spin coating process for fabrication of airtight/fully dense electrolyte layers composed in solid oxide fuel cell-membrane electrode assembly with high performance characteristics. The recipe of nano-scale electrolyte suspension includes 10˜50 wt % nano-scale electrolyte powder, 0.01˜1 wt % poly acrylic acid (PAA as dispersant), 0.1˜5 wt % poly vinyl alcohol (PVA as binder), 0.005˜1 wt % octanol as defoamer, and deionized water as solvent. Solid oxide fuel cell fabricated via this recipe and process exhibits that the open-circuit voltage (OCV) is over 1 Volt, and maximum power density is 335 mW/cm | 01-28-2010 |
20100107404 | METHOD OF PRODUCING FUEL CELL CATALYST LAYER - Provided is a method of producing a fuel cell catalyst layer which has a large specific surface area and high activity and which includes the steps of: forming a dendritic structural member including a catalyst precursor by a vapor phase method; providing a coating layer on a surface of the dendritic structural member; and subjecting the dendritic structural member having the coating layer provided thereon to a reduction treatment. The dendritic structural member including a catalyst precursor is a dendritic structural member including platinum oxide or a dendritic structural member containing a composite oxide of platinum oxide and an element except platinum. | 05-06-2010 |
20100154206 | PROCESS FOR MAKING COMPOSITE LITHIUM POWDERS FOR BATTERIES - This invention relates to lithium-ion batteries and cathode powders for making lithium-ion batteries where the cathode powder comprises a blend or mixture of at least one lithium transition metal poly-anion and with one or more lithium transition-metal oxide powders. A number of different lithium transition-metal oxides are suitable, especially formulations that include nickel, manganese and cobalt. The preferred lithium transition metal poly-anion is carbon-containing lithium vanadium phosphate. Batteries using the mixture or blend of these powders have been found to have high specific capacity, especially based on volume, high cycle life, substantially improved safety issues as compared to lithium transition-metal oxides, per se, and an attractive electrode potential profile. | 06-24-2010 |
20100192364 | PROCESS FOR MANUFACTURING SECONDARY BATTERY - Disclosed is a process for manufacturing a secondary battery comprising a positive electrode, a negative electrode and a solid electrolyte layer, the solid electrolyte layer being interposed between a positive electrode active material layer of the positive electrode and a negative electrode active material layer of the negative electrode, the process comprising the steps of heat-melting a solid electrolyte, coating the heat-melted solid electrolyte on a first layer which is one layer of the positive electrode active material layer and the negative electrode active material layer, thereby forming a solid electrolyte layer, and combining the solid electrolyte layer with a second layer which is the other layer of the positive electrode active material layer and the negative electrode active material layer, through a heated liquid. | 08-05-2010 |
20100236055 | METHOD OF MANUFACTURING A SECONDARY BATTERY - The invention provides a secondary battery that has good adhesion between a thin substrate and an active material, is thinner and lighter in weight, has flexibility, and has excellent charge/discharge characteristics, and a method of manufacturing the secondary battery. The secondary battery includes a cell having, in order, a positive electrode active material layer, an electrolyte layer, and a negative electrode active material layer, or a cell having, in order, a negative electrode active material layer, an electrolyte layer, and a positive electrode active material layer, wherein the cell is formed on a conductive thin substrate having a surface roughness RMS of 0.8 μm or less. | 09-23-2010 |
20100236056 | Flexible Cathodes - This disclosure relates to methods of making a cathode for a lithium batter. The methods include: (a) treating a cathode current collector with flame or corona; (b) coating a slurry containing iron disulfide, a first solvent, and a binder onto the cathode current collector obtained from step (a) to form a coated cathode current collector, in which the slurry contains about 73-75% by weight solids and the binder contains a polymer selected from the group consisting of linear di- and tri-block copolymers, linear tri-block copolymers cross-linked with melamine resin, ethylene-propylene copolymers, ethylene-propylene-diene terpolymers, tri-block fluorinated thermoplastics, hydrogenated nitrile rubbers, fluoro-ethylene-vinyl ether copolymers, thermoplastic polyurethanes, thermoplastic olefins, and polyvinylidene fluoride homopolymers; and (c) drying the coated cathode current collector obtained from step (b) to provide a cathode, in which the cathode contains no more than 0.5% by volume of the first solvent and is capable of being bent to 180°. This disclosure also relates to methods of making a lithium battery. | 09-23-2010 |
20100242265 | THIN FILM BATTERY SYNTHESIS BY DIRECTED VAPOR DEPOSITION - The present invention relates to methods for forming one or more thin film layers on a substrate, to form a multilayer product such as a lithium battery cell. The method involves passing a gas stream comprising at least one doping agent and at least one entrained source material through a plasma; impinging the gas stream on a substrate; and reactively depositing the at least one doping agent, and the at least one entrained source material on the substrate. The present invention provides a method of fabricating a power cell having a plurality of layers, and a method of fabricating a battery by electrically connecting a current collecting layer of a first power cell to a current collecting layer of a second power cell. | 09-30-2010 |
20100287764 | Electrochemical cell structure and method of fabrication - A method of forming an electrochemical cell includes the steps of disposing a separating material on a first conductive material, disposing a metal oxide on the first conductive material of an opening of the separating material, and disposing a dye on the metal oxide. | 11-18-2010 |
20100319188 | MANUFACTURING METHOD OF POWER STORAGE DEVICE - A safe method of manufacturing an electrode of a power storage device even when an alkali metal is used in forming the electrode. A negative electrode is manufactured by forming an alkali metal ion insertion/extraction layer which is a layer capable of alkali metal ion insertion and extraction on a surface of a current collector, forming an alkali metal film under reduced pressure on a surface of the alkali metal ion insertion/extraction layer, ionizing the alkali metal film, and impregnating the alkali metal ion insertion/extraction layer with the ionized alkali metal. | 12-23-2010 |
20100325878 | Bi Containing Solid Oxide Fuel Cell System With Improved Performance and Reduced Manufacturing Costs - A method to provide a tubular, triangular or other type solid oxide electrolyte fuel cell has steps including providing a porous air electrode cathode support substrate, applying a solid electrolyte and cell to cell interconnection on the air electrode, applying a layer of bismuth compounds on the surface of the electrolyte and possibly also the interconnection, and sintering the whole above the melting point of the bismuth compounds for the bismuth compounds to permeate and for densification. | 12-30-2010 |
20110005066 | Method Of Forming A Photovoltaic Cell Module - A method of forming a photovoltaic cell module uses a cell press having a table and a plate that is spaced from and moveable relative to the table. The method includes supporting the cell with the plate between the plate and the table. A substrate and a tie layer disposed on the substrate are introduced between the cell and the table with the substrate supported by the table and with the tie layer facing the cell. One of the cell and the table are moved toward the other until the cell contacts the tie layer. A vacuum is applied between the cell and the tie layer to evacuate the space between the cell and the tie layer as the cell contacts the tie layer. This evacuation eliminates the possibility of air bubbles being formed between the cell and the tie layer as the cell contacts the tie layer. | 01-13-2011 |
20110010928 | METHOD AND APPARATUS FOR PRODUCING WOUND ELECTRODE ASSEMBLY, AND METHOD FOR PRODUCING BATTERY - A method for producing a wound electrode assembly includes steps of overlaying electrode strips ( | 01-20-2011 |
20110067230 | LITHIUM TITANATE CELL WITH REDUCED GASSING - A method of manufacturing a lithium cell is disclosed. The method can include providing a lithium cell having an operating voltage range, where the lithium cell includes a negative electrode, a positive electrode, and an electrolyte in contact with, and between, the negative electrode and the positive electrode. The negative electrode can include lithium titanate and the electrolyte can include an additive. The method can also include reducing the additive to form a coating on a surface of the negative electrode in contact with the electrolyte. The reducing step can include overcharging the lithium cell to a voltage greater than an upper limit of the operating voltage range and dropping a voltage of the negative electrode to 0.2-1V vs. lithium. | 03-24-2011 |
20110072649 | METHOD OF MANUFACTURING ACTIVE MATERIAL AND METHOD OF MANUFACTURING LITHIUM-ION SECONDARY BATTERY - The first aspect of the present invention provides a method of manufacturing an active material capable of improving the discharge capacity of a lithium-ion secondary battery. The method of manufacturing an active material in accordance with the first aspect of the present invention comprises the steps of heating a phosphate source, a vanadium source, and water so as to form an intermediate containing phosphorus and vanadium and having a specific surface area of at least 0.1 m | 03-31-2011 |
20110094094 | PULSED LASER CUTTING OF THIN FILM BATTERY - A battery fabrication method comprises forming at least one battery cell on a battery substrate by depositing a plurality of battery component films on the battery substrate, the battery component films comprising at least a pair of electrodes about an electrolyte. An overlying protective multilayer coating is formed over the battery cell. A plurality of pulsed laser bursts of a pulsed laser beam is applied to the battery substrate, the pulsed laser bursts having sufficient power and duration to cut through the battery substrate and the overlying protective multilayer coating. | 04-28-2011 |
20110099798 | FORMATION OF A LITHIUM COMPRISING STRUCTURE ON A SUBSTRATE BY ALD - The present invention discloses a method for the formation of lithium comprising layer on a substrate using an atomic layer deposition method. The method comprises the sequential pulsing of a lithium precursor through a reaction chamber for deposition upon a substrate. Using further oxidising pulses and or other metal containing precursor pulses, an electrolyte suitable for use in thin film batteries may be manufactured. | 05-05-2011 |
20110179637 | SLURRY COATING METHOD FOR MAKING BATTERIES - A method of making a battery (preferably, an IMD battery) that includes applying a cathode material slurry that includes an active cathode material, a binder, an optional thickener and/or an optional dispersant, and a solvent to at least one major surface of a current collector. | 07-28-2011 |
20110239446 | METHOD FOR MANUFACTURING NONAQUEOUS SECONDARY BATTERY ELECTRODE - A method is provided for manufacturing an electrode that has a porous inorganic layer on the surface of an active material layer and is suitable for constructing a nonaqueous secondary battery with excellent input-output performance. In this manufacturing method, an electrode perform, which has an active material layer ( | 10-06-2011 |
20120017430 | LITHIUM SECONDARY BATTERY - In order to enhance charge and discharge efficiency and to improve cycle characteristics by increasing a facing area between a positive electrode active material and a negative electrode active material, in a negative electrode for lithium secondary battery having a current collector and an active material layer carried on the current collector, the active material layer includes a plurality of columnar particles. The columnar particles include an element of silicon, and are tilted toward the normal direction of the current collector. Angle θ formed between the columnar particles and the normal direction of the current collector is preferably 10°≦θ<90°. | 01-26-2012 |
20120060361 | Battery Housing and Method of Manufacturing the Same - Disclosed is a housings for lithium based batteries, suitable for large format batteries, and a method of manufacturing such housings using direct electroplating resin technology. The housing, while maintaining stack pressure and acting as a moisture and electrolyte barrier, is lighter in weight, smaller in volume, and is safer than conventional metal housings. The manufacturing process is well suited for automation and is less expensive than current manufacturing processes. | 03-15-2012 |
20120180309 | Lithium Primary Cells - Primary lithium cells are provided, the cells having an anode comprising lithium and a cathode comprising iron disulfide. Features of the cells are optimized in order to enhance the cell performance within the constraints imposed by the maximum permitted level of lithium and standard cell dimensions. | 07-19-2012 |
20120317797 | Method of forming solid state electrolyte having high lithium ion conduction and battery incorporating same - A method for making ion conducting films includes the use of primary inorganic chemicals, which are preferably water soluble; formulating the solution with appropriate solvent, preferably deionized water; and spray depositing the solid electrolyte matrix on a heated substrate, preferably at 100 to 400° C. using a spray deposition system. In the case of lithium, the deposition step is then followed by lithiation or addition of lithium, then thermal processing, at temperatures preferably ranging between 100 and 500° C., to obtain a high lithium ion conducting inorganic solid state electrolyte. The method may be used for other ionic conductors to make electrolytes for various applications. The electrolyte may be incorporated into a lithium ion battery. | 12-20-2012 |
20130042467 | PREPARATION PROCESS OF ALL-SOLID BATTERY - Preparation process of all-solid battery, comprising linear active material part forming step by relatively moving first nozzle which discharges active material linearly with respect to current collector to form a plural of linear active material parts on current collector, first electrolyte layer forming step by relatively moving second nozzle which discharges first electrolyte material with respect to current collector to apply first electrolyte material to each of a plural of linear active material parts to from linear electrolyte part thereon to prepare linear active material-electrolyte parts, photo-curing step by irradiating light to linear electrolyte parts to cure, and second electrolyte layer forming step by applying second electrolyte material to the whole of linear active material-electrolyte part and spaces on current collector between linear active material-electrolyte parts to prepare second electrolyte layer. The solid electrolyte layer has high aspect ratio, and gives all-solid lithium ion secondary battery excellent in large capacity and high charge-discharge performance. | 02-21-2013 |
20130047423 | METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY - At least one of an aqueous solution A containing lithium, an aqueous solution B containing iron, manganese, cobalt, or nickel, and an aqueous solution C containing a phosphoric acid includes graphene oxide. The aqueous solution A is dripped into the aqueous solution C, so that a mixed solution E including a precipitate D is prepared. The mixed solution E is dripped into the aqueous solution B, so that a mixed solution G including a precipitate F is prepared. The mixed solution G is subjected to heat treatment in a pressurized atmosphere, so that a mixed solution H is prepared, and the mixed solution H is then filtered. Thus, particles of a compound containing lithium and oxygen which have a small size are obtained. | 02-28-2013 |
20130061460 | METHOD OF MANUFACTURING NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte solution is prepared in a divided form as a first solution having a lower solute content rate than the nonaqueous electrolyte solution, and a second solution formed of ingredients of the nonaqueous electrolyte solution excluding ingredients of the first solution. Next, the first solution is injected into a battery case housing an electrode assembly. Then, the first solution is impregnated into the electrode assembly. Subsequently, the second solution is injected into the battery case. Then, the second solution is impregnated into the electrode assembly. | 03-14-2013 |
20130061461 | MANUFACTURING METHOD FOR FILM-COVERED ELECTRICAL DEVICE - In a vacuum container ( | 03-14-2013 |
20130067729 | BATTERY ELECTRODE MANUFACTURING METHOD AND BATTERY MANUFACTURING METHOD - In a technology for manufacturing a battery electrode by applying an application liquid containing an active material, stripe-shaped pattern elements are formed at narrower intervals than before while contact between the pattern elements is avoided. An application liquid containing an active material is applied onto a base material 11, which will become a current collector, by a nozzle-scan coating method, thereby forming stripe-shaped active material pattern elements P1, P3, P5, . . . parallel to each other and extending in a Y-direction. After liquid components are volatilized from the application liquid and spread base parts of the pattern elements are shrunk, pattern elements P2, P4, P6, . . . are formed by applying the application liquid in stripes between the already formed pattern elements. In this way, it can be prevented that the base parts approach each other and the pattern elements touch each other when the adjacent patterns are simultaneously formed. | 03-21-2013 |
20130081264 | METHOD OF FABRICATING SECONDARY BATTERY - Provided is a method of fabricating a secondary battery including a battery case and an electrode plate set housed in the battery case. The electrode plate set includes positive and negative electrode plates and a separator interposed therebetween. The electrode plate set is impregnated with non-aqueous electrolyte. The method includes the steps of: replacing air in the battery case with gas having an Ostwald solubility coefficient of 2.0 or more in the non-aqueous electrolyte; reducing the pressure in the battery case after the replacement with the gas; and introducing the non-aqueous electrolyte into the depressurized battery case. | 04-04-2013 |
20130167364 | METHOD FOR MAKING LITHIUM ION BATTERY - A method for making lithium ion battery is provided. A cathode material layer and an anode material layer are provided. A first carbon nanotube layer is formed on a surface of the cathode material layer to obtain a cathode electrode. A second carbon nanotube layer is formed on a surface of the anode material layer to obtain an anode electrode. A separator is applied between the cathode electrode and the anode electrode to form a battery cell. At least one battery cell is then encapsulated in an external encapsulating shell, and an electrolyte solution is injected into the external encapsulating shell. | 07-04-2013 |
20130185930 | NANOPATTERNED SUBSTRATE SERVING AS BOTH A CURRENT COLLECTOR AND TEMPLATE FOR NANOSTRUCTURED ELECTRODE GROWTH - A process of forming and the resulting nano-pitted metal substrate that serves both as patterns to grow nanostructured materials and as current collectors for the resulting nanostructured material is disclosed herein. The nano-pitted substrate can be fabricated from any suitable conductive material that allows nanostructured electrodes to be grown directly on the substrate. | 07-25-2013 |
20130199030 | METHOD OF PREPARING LITHIUM SECONDARY BATTERY - A method of preparing a lithium secondary battery is disclosed, the method including coating a coating layer-forming composition including an inorganic compound and an organic/inorganic bindable silane compound having a first reactive functional group on a substrate to form a separator including a coating layer; preparing an electrode including an active material and a binder having a second reactive functional group; stacking the electrode to contact the coating layer of the separator, and adding an electrolyte to the electrode and separator to prepare a lithium secondary battery; and heat-treating the lithium secondary battery to react the first reactive functional group with the second reactive functional group and form a chemical bond. | 08-08-2013 |
20130212875 | METHOD FOR PRODUCING LITHIUM ION SECONDARY BATTERY - A method for producing a lithium-ion secondary battery comprising positive and negative electrodes and a non-aqueous electrolyte solution is provided. The method comprises (A) with several different negative electrode active materials, determining density X | 08-22-2013 |
20130219703 | METHOD FOR PRODUCING COMPOSITION FOR FORMING POSITIVE ELECTRODE MATERIAL MIXTURE LAYER AND METHOD FOR PRODUCING LITHIUM ION SECONDARY BATTERY - A method for producing a composition for forming a positive electrode material mixture layer of the present invention either includes the steps of; (1) mixing a positive electrode active material and phosphoric acid or a phosphate compound to form a mixture; and mixing the mixture and the binder to form a composition, or includes the steps of: (2) forming a mixture containing a positive electrode active material and a binder, and mixing the mixture and phosphoric acid or a phosphate compound to form a composition, wherein the formed composition for forming a positive electrode material mixture layer contains the solvent and has a viscosity adjusted to 15000 mPa·s or less. | 08-29-2013 |
20130219704 | METHOD FOR MANUFACTURING OF SLURRY FOR PRODUCTION OF BATTERY FILM - The present invention relates to a method for manufacturing slurry for coating of electrodes for use in lithium ion batteries, wherein the method comprises mixing active materials with a binder into a binder solution, and adding an organic carbonate to the binder solution to generate the slurry. The present invention also relates to a method for manufacturing electrodes for a lithium battery cell, wherein the method comprises mixing active materials with a binder into a binder solution, adding an organic carbonate to the binder solution to generate slurry, wherein the above adding step is carried out at temperature above melting temperature of the organic carbonate, coating electrode material with the slurry, drying the coating on the electrode material by drying the organic carbonate, and surface treatment of the slurry so that the electrode is prepared for use in a lithium ion battery cell. Further, the invention also relates to a method for manufacturing a lithium ion battery cell. | 08-29-2013 |
20130232772 | SURFACE MODIFICATION OF BATTERY MATERIALS AND METHOD FOR MAKING A BATTERY - Provided herein are methods for processing electrochemically active materials for use in rechargeable batteries. The methods may also be practiced on electrodes and batteries containing such electrochemically active materials. In a typical embodiment, a method of chemically modifying the surface of an electrochemically active component of a battery is provided, the method including receiving the electrochemically active material and exposing the electrochemically active material to a gaseous reactant under conditions that chemically modify surfaces of the electrochemically active material that are accessible to the gaseous reactant, and thereby produce a modified electrochemically active material having improved properties for use in the battery. | 09-12-2013 |
20130232773 | METHOD FOR PRODUCING LITHIUM-ION BATTERY - A positive electrode plate | 09-12-2013 |
20130255074 | METHOD FOR MANUFACTURING LITHIUM ION SECONDARY BATTERY - The method for manufacturing a lithium ion secondary battery includes a binder coating step ( | 10-03-2013 |
20130255075 | METHOD FOR PRODUCING LITHIUM SECONDARY CELL - Provided is a method for producing a lithium secondary cell with which the concentrated precipitation of metal impurities at the negative electrode is inhibited and short circuiting is unlikely to occur. The production method includes, assembling together the positive electrode, the separator, and the negative electrode, and then impregnating the assembly with the nonaqueous electrolyte; charging the assembly within 1 min so that a maximum achieved potential of the positive electrode becomes 3.2 V or more with respect to the redox potential of lithium; allowing the assembly to stand for 10 min or less after the charging has ended; and discharging the assembly within 1 min after the standing step. | 10-03-2013 |
20130283603 | METHOD OF MANUFACTURING POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY - At least one of an aqueous solution A containing lithium, an aqueous solution B containing iron, manganese, cobalt, or nickel, and an aqueous solution C containing a phosphoric acid includes graphene oxide. The aqueous solution A is dripped into the aqueous solution C, so that a mixed solution E including a precipitate D is prepared. The mixed solution E is dripped into the aqueous solution B, so that a mixed solution G including a precipitate F is prepared. The mixed solution G is subjected to heat treatment in a pressurized atmosphere, so that a mixed solution H is prepared, and the mixed solution H is then filtered. Thus, particles of a compound containing lithium and oxygen which have a small size are obtained. | 10-31-2013 |
20130298389 | METHOD AND APPARATUS FOR MANUFACTURING AN ELECTROCHEMICAL ENERGY STORE - In a method for producing an electrode stack for an electrochemical energy store, in which anodes ( | 11-14-2013 |
20130312255 | Method of Fabricating Thin Film Electrodes Including Metal Tubes Filled With Active Material - A thin film electrode is fabricated from a non-metallic, non-conductive porous support structure having pores with micrometer-range diameters. The support may include a polymer film. A first surface of the support is metalized, and the pores are partially metallized to create metal tubes having a thickness within a range of 50 to 150 nanometers, in contact with the metal layer. An active material is disposed within metalized portions of the pores. An electrolyte is disposed within non-metalized portions of the pores. Active materials may be selected to create an anode and a cathode. Non-metalized surfaces of the anode and cathode may be contacted to one another to form a battery cell, with the non-metalized electrolyte-containing portions of the anode facing the electrolyte-containing portions of the cathode pores. A battery cell may be fabricated as, for example, a nickel-zinc battery cell. | 11-28-2013 |
20130318780 | METHOD FOR PRODUCING CATHODE ACTIVE MATERIAL FOR LITHIUM ION SECONDARY BATTERY - The present invention provides a method for producing a cathode active material for a lithium ion secondary battery excellent in the discharge capacity and the cycle characteristics and having high durability, and methods for producing a lithium ion secondary battery and a cathode for a lithium ion secondary battery. | 12-05-2013 |
20130333205 | Rechargeable ZnMn Flat Plate Electrode Cell - Provided is a flat plate electrode cell, comprises positive electrode plates and negative electrode plates. The positive electrode plates each comprise manganese and compressed metal foam. The negative electrode plates each comprise zinc and compressed metal foam. Both the positive and negative electrodes can have alignment tabs, wherein the flat plate electrode cell can further comprise electrical terminals tanned from the aligned tabs. The rechargeable flat plate electrode cell of the present disclosure, formed from compressed metal foam, provides both low resistance and high rate performance to the electrodes and the cell. Examples of improvements over round bobbin and flat plate cells are current density, memory effect, shelf life, charge retention, and voltage level of discharge curve. In particular, the rechargeable flat plate electrode cell of the present disclosure provides longer cycle life with reduced capacity fade as compared with known round bobbin and flat plate cells. | 12-19-2013 |
20140013589 | METHOD FOR MAKING LITHIUM ION BATTERY ELECTRODE - A method for making a lithium ion battery electrode is provided. A support having a support surface is provided. A graphene layer is formed on the support surface of the support. An electrode material layer is applied on an exposed surface of the graphene layer. The graphene layer is located between the electrode material layer and the support. | 01-16-2014 |
20140013590 | METHOD FOR MANUFACTURING EXTERNAL CLADDING FOR LAMINATE BATTERY - In method for manufacturing an external cladding for a laminate battery according to the present invention, austenitic stainless steel foil having a thermoplastic resin layer on one of a front surface and a rear surface and a lubricating film on the other surface is used as a material, the stainless steel foil is disposed such that the surface provided with the thermoplastic resin layer opposes a punch, and drawing is implemented on the stainless steel foil without using lubricating oil in a condition where an annular region of the stainless steel foil, which is contacted by a shoulder portion of the punch, is set at a temperature of 20° C. or lower, and an exterior region on an exterior of the annular region is set at a temperature between 40° C. and 100° C. | 01-16-2014 |
20140041210 | METHODS FOR FABRICATING LITHIUM BATTERY ANODES - A method for fabricating a lithium battery anode is related. A carbon nanotube film structure and an anode active solution are provided. The anode active solution includes a number of Co(OH) | 02-13-2014 |
20140041211 | METHODS FOR FABRICATING LITHIUM BATTERY ANODES - A method for fabricating a lithium battery anode is related. A carbon nanotube film structure and an anode active solution are provided. The anode active solution is obtained by mixing an organic solvent with an Co(NO | 02-13-2014 |
20140059848 | MOLTEN SALT BATTERY AND METHOD FOR MANUFACTURING MOLTEN SALT BATTERY - The present invention provides a method for manufacturing a molten salt battery having a positive electrode, a negative electrode, a separator arranged between the positive electrode and the negative electrode, and an electrolyte salt, which is solid at normal temperature. The solid electrolyte salt is retained on a surface of at least one of the positive electrode, the negative electrode, and the separator prior to assembly of the battery. Then, the battery is assembled by housing the positive electrode, the negative electrode, and the separator in a battery case. | 03-06-2014 |
20140082932 | Method for the Fabrication of Electrolyte Cavities Using Bulk Micro-Machining - The present invention is directed to the fabrication of thin aluminum anode batteries using a highly reproducible process that enables high volume manufacturing of the galvanic cells. A method of fabricating a thin aluminum anode galvanic cell is provided, the method comprising, forming a recess in the silicon wafer, the recess having no more than three sidewalls, depositing a catalytic metal layer on a bottom surface of the recess, positioning a double-side sticky tape layer having a bottom side positioned to contact the no more than three sidewalls of the recess and positioning an aluminum foil layer to contact a top side of the double-side sticky tape layer and in overlying relation to the recess, thereby forming the galvanic cell. | 03-27-2014 |
20140123477 | ELECTRODE ACTIVE SURFACE PRETREATMENT - Electrode structures and methods of formation are provided. The formation process may include an initial high rate discharge to precondition the electrode active surface. The resulting electroactive surface may have reduced pitting and defects resulting in more uniform utilization of the electrode during subsequent cycling. | 05-08-2014 |
20140137400 | METHOD OF PRODUCING SILICON MATERIAL, ANODE MATERIAL AND METHOD OF PRODUCING ANODE ELECTRODE OF LITHIUM-ION BATTERY - Provided is a method of producing a silicon material, comprising: slicing a silicon substrate with a fixed-abrasives wire to obtain a mixing slurry; and treating the mixing slurry by solid-liquid separation, so as to isolate a silicon material from the mixing slurry, which is applicable for a lithium-ion battery. With the simplified method, the production cost of silicon material is remarkably reduced. Furthermore, an anode material of a lithium-ion battery and a method of producing an anode electrode of a lithium-ion battery are provided. Since the silicon material produced by the method has high purity and fine granules, the extreme volumetric expansion of silicon under heat is largely reduced, and thus the cycle stability, electrical performance, and quality of a lithium-ion battery comprising the silicon material are improved. | 05-22-2014 |
20140157586 | PASTED ZINC ELECTRODE FOR RECHARGEABLE NICKEL-ZINC BATTERIES - Active material for a negative electrode of a rechargeable zinc alkaline electrochemical cell is made with zinc metal particles coated with tin and/or lead. The zinc particles may be coated by adding lead and tin salts to a slurry containing zinc particles, a thickening agent and water. The remaining zinc electrode constituents such as zinc oxide (ZnO), bismuth oxide (Bi | 06-12-2014 |
20140157587 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, BATTERY USING THE SAME, AND METHOD OF MANUFACTURING POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode ( | 06-12-2014 |
20140173889 | ELECTROPOLYMERIZATION OF A COATING ONTO AN ELECTRODE MATERIAL - Methods for reductively polymerizing vinylic based monomers from a solution thereof onto the surface of an electrode material, resulting in thin, electrically insulating solid-polymer electrolyte coatings strongly bound to the surface of the electrode material, are described. The strong bond permits a second electrode to be coated directly onto the solid-polymer electrolyte, thereby incorporating the required components for a Li-ion battery cell. At least one initiator species, which is readily reduced by accepting an electron from the electrode material, is included in electropolymerization deposition solution for permitting the polymerization of vinylic species that would otherwise not electrochemically polymerize without damage to either the electrode material or to the solvents employed. | 06-26-2014 |
20140215810 | JELLY-ROLL TYPE ELECTRODE ASSEMBLY PATTERN-COATED WITH ACTIVE MATERIAL AND SECONDARY BATTERY INCLUDING THE SAME - Provided is a jelly-roll type electrode assembly pattern-coated with active materials manufactured by winding and compressing a separator and an anode and a cathode arranged on both sides of the separator. The anode includes anode flat coated portion coated with an anode active material and anode curved uncoated portion not coated with the anode active material, which are alternately formed. The cathode includes a cathode flat coated portion coated with a cathode active material and a cathode curved uncoated portion not coated with the cathode active material, which are alternately formed. | 08-07-2014 |
20140283377 | Lithium-Iron Disulfide Cell Design - The invention relates to primary electrochemical cells, in addition to methods for manufacturing and discharging the same, having a jellyroll electrode assembly that includes a positive electrode with a coating comprising iron disulfide deposited on a current collector situated on the outermost circumference of the jellyroll, a lithium-based negative electrode and a polymeric separator. More particularly, the invention relates to a cell design which optimizes cell capacity and substantially eliminates premature voltage drop-off on intermittent service testing by eliminating the edge effect through, for example, deliberately relieving stack pressure and/or extending the distance lithium ions proximate to the terminal end of the positive electrode must travel to undergo an electrochemical reaction in that region. | 09-25-2014 |
20140304981 | MANUFACTURING METHOD OF ELECTRODE AND MANUFACTURING METHOD OF NON-AQUEOUS ELECTROLYTE BATTERY - According to one embodiment, a manufacturing method of an electrode includes supplying a current collector, coating the current collector with a slurry and drying the slurry. In the manufacturing method of the electrode, the current collector is supplied onto a backup roll including annular protruding portions formed on an outer circumferential surface of the backup roll. A surface of the current collector excluding a portion arranged on a plurality of the annular protruding portions is coated with slurry containing an active material. And, then, the slurry is dried. | 10-16-2014 |
20140304982 | MANUFACTURING METHOD OF ELECTRODE AND MANUFACTURING METHOD OF NON-AQUEOUS ELECTROLYTE BATTERY - According to one embodiment, a manufacturing method of an electrode, includes coating a first surface of a current collector with slurry, coating a second surface of the current collector with the slurry, and drying. The first and second surfaces are coated with the slurry in such a way that a slurry coated portion and a slurry non-coated portion are alternately arranged in a direction perpendicular to a moving direction of the current collector. The slurry non-coated portion is arranged on annular protruding portions of a backup roll. The slurry coated portion is dried by a drying apparatus. A formula (1), 010-16-2014 | |
20140325832 | METHOD FOR THE PRODUCTION OF AN ALL-SOLID BATTERY - A method for the production of a battery includes at least production, against a substrate made of a material able to form an electrode, of at least one solid electrolyte layer, production of a first electrode in contact with the electrolyte, and thinning the substrate such that at least a remaining proportion of the substrate, in contact with the solid electrolyte layer, forms a second electrode. | 11-06-2014 |
20140331485 | METHOD FOR FABRICATING A NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes: a positive electrode | 11-13-2014 |
20140373344 | METHOD AND DEVICE FOR MANUFACTURING FILM-WRAPPED ELECTRICAL DEVICE - Provided is a method for manufacturing a film-wrapped electrical device, including: a first injection step of depressurizing, to a given pressure lower than atmospheric pressure, the inside of an injection chamber ( | 12-25-2014 |
20150052739 | REGENERATION OF CATHODE MATERIAL OF LITHIUM-ION BATTERIES - Lithium metal oxides may be regenerated under ambient conditions from materials recovered from partially or fully depleted lithium-ion batteries. Recovered lithium and metal materials may be reduced to nanoparticles and recombined to produce regenerated lithium metal oxides. The regenerated lithium metal oxides may be used to produce rechargeable lithium ion batteries. | 02-26-2015 |
20150074989 | HYDROPHOBIC-CAGE STRUCTURED MATERIALS IN ELECTRODES FOR MITIGATION AND EFFICIENT MANAGEMENT OF WATER FLOODING IN FUEL/ELECTROCHEMICAL CELLS - Methods of making electrodes that mitigate water flooding, wherein the porous electrodes are made of hydrophobic cage structured materials that repel water, and provide for mechanisms that reduce water flooding. | 03-19-2015 |
20150096169 | SLURRY FOR POSITIVE ELECTRODE FOR SULFIDE-BASED SOLID-STATE BATTERY, POSITIVE ELECTRODE FOR SULFIDE-BASED SOLID-STATE BATTERY AND METHOD FOR MANUFACTURING THE SAME, AND SULFIDE-BASED SOLID-STATE BATTERY AND METHOD FOR MANUFACTURING THE SAME - A slurry for a positive electrode for a sulfide-based solid-state battery contains at least a fluorine-based copolymer containing vinylidene fluoride monomer units, a positive electrode active material, and a solvent or a dispersion medium. When a dry volume of the slurry is set to 100% by volume, a content ratio of the fluorine-based copolymer is 1.5 to 10% by volume. | 04-09-2015 |
20150340682 | PROCESSING APPARATUS, INJECTION TREATMENT METHOD, AND METHOD OF MANUFACTURING ELECTRODE MATERIAL - A processing apparatus includes: a seal chamber that communicates with interior and exterior of a main chamber; an evacuation unit that evacuates a gas from the main and/or the seal chamber; and a control unit that controls a first differential pressure between a pressure in the seal chamber and a first reference pressure by the evacuation unit; wherein: the evacuation unit has a first evacuation system that evacuates the gas from the seal chamber; the control unit has a first and second mode as operating modes for controlling the first differential pressure, the first evacuation system operating with a feedback control based on the first differential pressure in the first mode and with a control different from the feedback control in the second mode; and the control unit shifts the operating mode from the first to the second mode in accordance with increase in the gas in the main chamber. | 11-26-2015 |
20160001232 | NANOFABRICATION OF NANOPOROUS ARRAYS - An array having nanopores is produced by coating a thin layer of metal or other material onto a substrate and creating a mask on the metal or other material by combining a first polymer and a second polymer. The first polymer self-assembles into nanodomains of the first polymer in the second polymer resulting in the formation of a uniform hexagonal pattern of the first polymer nanodomains in the second polymer over the entire surface of the metal or other material. The nanodomains are removed by etching to form nano-voids that extend through the polymer layer. Nanopores are created in the metal or other material layer by ion beam milling the metal through the nano-voids to produce nano-pores that extend through the metal or other material creating an array having nanopores. | 01-07-2016 |
20160036099 | RECYCLING ELECTROCHEMICAL CELLS AND BATTERIES - Methods for separating and recycling battery and electrochemical cell materials are disclosed. | 02-04-2016 |
20160049628 | SEPARATOR FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY USING THE SEPARATOR, AND METHOD OF MANUFACTURING THE LITHIUM SECONDARY BATTERY - A separator includes a porous base, and a first coating layer on a surface of the porous base, the first coating layer including a (meth)acrylic acid ester-based polymer having a glass transition temperature of about 10° C. to about 60° C. The first coating layer may be positioned opposite to a cathode of the lithium secondary battery. The separator may further include a second coating layer on a surface of the porous base opposite to the first coating layer and comprising a (meth)acrylic acid ester-based polymer. | 02-18-2016 |
20160104912 | METHOD FOR DRYING ELECTRODE PAIR, METHOD FOR MANUFACTURING LITHIUM-ION SECONDARY BATTERY, METHOD FOR MANUFACTURING ELECTRIC DOUBLE-LAYER CAPACITOR, AND METHOD FOR MANUFACTURING LITHIUM-ION CAPACITOR - A method for drying an electrode pair is disclosed. In at least one embodiment, the method includes preparing a positive electrode by applying a positive electrode material to a current collector; preparing a negative electrode by applying a negative electrode material to a current collector; preparing one set of an electrode pair made up of a positive electrode, a separator, and a negative electrode which are laminated in this order or preparing sets of electrode pairs, the sets being laminated, a separator being provided between the respective sets, each of the electrode pairs being made up of a positive electrode, a separator, and a negative electrode which are laminated in this order; accommodating the electrode pair(s) in a container; and drying the container in which the electrode pair(s) has been accommodated by use of the freeze-drying method. | 04-14-2016 |
20160126554 | PRINTING OR SPRAY DEPOSITION METHOD FOR PREPARING A SUPPORTED FLEXIBLE ELECTRODE AND MANUFACTURE OF A LITHIUM-ION BATTERY - The present invention relates to a printing or spray deposition method for preparing a supported flexible electrode and to a method for manufacturing a lithium-ion battery. | 05-05-2016 |
20160133918 | METHODS FOR FORMING POROUS MATERIALS - In an example of the method disclosed herein, SiO | 05-12-2016 |
20160141713 | METHOD FOR PRODUCING LITHIUM SOLID STATE BATTERY - A method for producing a lithium solid state battery having a solid electrolyte membrane with high Li ion conductivity, in which firm interface bonding is formed on both sides of the membrane, comprising steps of: a membrane-forming step of forming CSE1 not containing a binder, composed of a sulfide solid electrolyte material, on a cathode active material layer by an AD method and ASE1 not containing a binder, composed of a sulfide solid electrolyte material, on an anode active material layer by an AD method, and a pressing step of forming SE1 with the CSE1 and the ASE1 integrated by opposing and pressing the CSE1 and the ASE1, wherein the SE1 such that an interface between the CSE1 and the ASE1 disappeared is formed by improving denseness of the CSE1 and the ASE1 in the pressing step. | 05-19-2016 |
20160181591 | METHOD OF MANUFACTURING LITHIUM ION SECONDARY BATTERY | 06-23-2016 |