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Plural cells

Subclass of:

429 - Chemistry: electrical current producing apparatus, product, and process

429122000 - CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
429156000 Complete cells 311
429152000 Individual cells connected in repeating contiguous layered units 91
429160000 Having intercell connector 69
429151000 Casing having interlocking structure 24
429150000 With integral switch means 6
Entries
DocumentTitleDate
20090191455ELECTROLYTE FOR BATTERIES AND BATTERY PACKS - Electrolyte for lithium secondary batteries and battery packs includes a lithium salt, a non-aqueous solvent, and an additive. The additive includes two or more members selected from the group consisting of substances A, B and C, wherein A includes one or more fused ring compounds and fused heterocyclic compounds, B includes an alkoxy aromatic compound, and C includes halogenated borane-based salt.07-30-2009
20120183836NONAQUEOUS ELECTROLYTE BATTERY, ACTIVE MATERIAL, METHOD FOR PRODUCING SAME, METHOD FOR PRODUCING ALKALI TITANATE COMPOUND, AND BATTERY PACK - According to one embodiment, a negative electrode active material for a nonaqueous electrolyte battery is provided. The active material includes a titanium oxide compound having a crystal structure of a monoclinic titanium dioxide and having a crystallite, the crystallite having a crystallite size of 5 to 25 nm when it is calculated by using the half width of the peak of a (110) plane obtained by a powder X-ray diffraction (XRD) method using a Cu-Kα ray.07-19-2012
20120183835Low cost, high power, high energy density, solid-state, bipolar metal hydride batteries - A solid state battery including at least one multilayered battery cell comprising: 1) a layer of negative electrode material; 2) a layer of positive electrode material; and 3) a layer of perovskite-type oxide material disposed between the layer of positive electrode material and the layer of negative electrode material, where said layer of perovskite-type oxide material is electrically insulating and capable of readily conducting or transporting protons.07-19-2012
20130078497NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes a stacked electrode assembly in which positive electrode plates and negative electrode plates are stacked with separators interposed therebetween, and that is housed, together with a nonaqueous electrolyte, in a laminate outer casing. A negative electrode active material layer is formed on the surface of negative electrode substrates of the negative electrode plates. The negative electrode active material layer contains spheroidal graphite, scalelike graphite, and carboxymethyl cellulose. The average specific surface area of the spheroidal graphite and the scalelike graphite is 2.0 to 4.0 m03-28-2013
20130040186CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - Disclosed is a cathode active material for secondary batteries, comprising at least one compound selected from the following Formula 1: xLi02-14-2013
20130034770FLEXIBLE, POROUS CERAMIC COMPOSITE FILM - The present invention is directed toward a laminated electrode and porous separator film combination including a solid electrolyte salt within the porous separator film, the combination comprising layer of powdered cathode material adhering to a surface of a separator film with a solid electrolyte therebetween; the separator film comprising 50% to 95% by weight of electrically non-conductive ceramic fibers having a coating of magnesium oxide on the surface of the fibers in an amount in the range of 5% to 50% by weight; wherein the ceramic fibers comprise Al02-07-2013
20130029203ELECTRODE FOR LEAD ACID STORAGE BATTERY - An electrode for a lead acid battery is provided. The electrode includes a pasting material distributed on the electrode and arranged to provide uniform current density. A lead acid battery having a plurality of electrodes, each electrode having pasting material providing uniform current density across the electrodes is also provided. A method for manufacturing a battery electrode is also provided and includes applying a portion of the electrode with a pasting material providing uniform current density.01-31-2013
20090305125BATTERY PACK - Negative (−) terminals and positive (+) terminals of a plurality of cells in a connected state are housed in a metal case. The metal case is attached with positive-side and negative-side external terminals, and the external terminals and cell terminals are connected with each other through lead wires. The metal case is attached with a voltage monitoring connector, and the voltage monitoring connector and a voltage taking electric wires extending from the positive and negative sides of the respective cells are connected with each other. Through the voltage monitoring connector, the charging degrees of the individual cells can be obtained, thereby preventing the cells from being overcharged.12-10-2009
20090035650ALKALINE DRY BATTERY AND BATTERY PACK - In an alkaline dry battery, an opening portion of a positive electrode case is sealed by a terminal plate serving as a negative electrode terminal via an insulating sealing body, and a sealant layer is provided between the positive electrode case and the sealing body. The sealant layer is made of a material having a tensile strength of 0.02 N/mm02-05-2009
20090233165Mitigating Rupture and Thermal Cascading of Battery Cells by Judicious Arrangement of Cells Inside a Pack - The invention described herein includes a method and apparatus comprising a plurality of battery cells electrically coupled to produce at least one voltage at a terminal, wherein the plurality of battery cells includes a plurality of junction areas. Each junction area comprises two battery cells longitudinally arranged such that an end of one battery cell faces an end of another battery cell. In a majority of the junction areas, the venting end of one battery cell does not face the non-venting end of the other battery cell.09-17-2009
20090233164BIPOLAR BATTERY - The present invention provides a bipolar battery made by using a polymer gel electrolyte or a liquid electrolyte in an electrolyte layer, which is highly reliable and prevents liquid junction (short circuit) caused by leak out of an electrolyte solution from the electrolyte part. The present invention provides a bipolar battery laminated, in series, with a plurality pieces of bipolar electrodes which is formed with a positive electrode on one surface of a collector, and a negative electrode on the other surface, so as to sandwich an electrolyte layer, characterized by being provided with a separator which retains the electrolyte later, and a seal resin which is formed and arranged at the outer circumference part of a part of the separator where the electrolyte is retained.09-17-2009
20080299451Battery and battery module - A power-generating element containing a stacked electrode assembly (12-04-2008
20120164515BATTERY - The battery comprises a can, a cap, and a seal. The cap fits into the can to build a housing with a closed interior volume, and the seal sealing cap and can in relation to one another. A porous membrane spills the interior volume into two subcells with each subcell containing one or multiple layers of electrolyte and one or multiple layer structures. The latter comprise a conducting film at least partially coated with active material and contain one or more through-holes. The layer structure is parallel to the porous membrane and the conducting film is connected to either can or cap. This construction allows for a large area of contact between active material and electrolyte and as between electrolyte and porous membrane which result in a high performance of the battery.06-28-2012
20110300432Rechargeable, High-Density Electrochemical Device - Rechargeable, high-density electrochemical devices are disclosed. These electrochemical devices may, for example, include high energy densities that store more energy in a given, limited volume than other batteries and still show acceptable power or current rate capability without any liquid or gel-type battery components. Certain embodiments may involve, for example, low volume or mass of all of the battery components other than the cathode, while simultaneously achieving high electrochemically active mass inside the positive cathode.12-08-2011
20090104516BATTERY MODULE AND PRODUCTION METHOD THEREOF - A first row of batteries and a second row of batteries both consisting of the same number of cylindrical batteries (04-23-2009
20080206631ELECTROLYTES, ELECTRODE COMPOSITIONS AND ELECTROCHEMICAL CELLS MADE THEREFROM - Electrochemical cells are disclosed that include electrodes comprising a composite that includes an active material, graphite and a binder. The amount of graphite in the composite is greater than about 20 volume percent of the total volume of the active material and graphite in the composite. The porosity of the composite is less than about 20%. The cells also comprise an electrolyte that includes a vinylene carbonate derivative or a halogenated ethylene carbonate derivative.08-28-2008
20100221598NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY MODULE - A nonaqueous electrolyte secondary battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case, and a negative electrode provided in the case, the negative electrode comprising a negative electrode current collector and a negative electrode layer that is carried on the negative electrode current collector and contains negative electrode active material particles, and the negative electrode current collector comprising an aluminum foil having an average crystal grain size of 50 μm or less or an aluminum alloy foil having an average crystal grain size of 50 μm or less.09-02-2010
20100221597REVERSIBLY-ACTIVATED NANOSTRUCTURED BATTERY - A battery having a nanostructured battery electrode is disclosed wherein it is possible to reverse the contact of the electrolyte with the battery electrode and, thus, to return a battery to a reserve state after it has been used to generate current. In order to achieve this reversibility, the nanostructures on the battery electrode comprise a plurality of closed cells and the pressure within the enclosed cells is varied. In a first embodiment, the pressure is varied by varying the temperature of a fluid within the cells by, for example, applying a voltage to electrodes disposed within said cells. In a second illustrative embodiment, once the battery has been fully discharged, the battery is recharged and then the electrolyte fluid is expelled from the cells in a way such that it is no longer in contact with the battery electrode.09-02-2010
20100136413Method and apparatus for the external application of battery pack encapsulant - A method and apparatus for simplifying battery pack encapsulation is provided. The battery pack includes a pair of complementary housing members with each housing member including a plurality of cell contraints into which the ends of corresponding battery cells are inserted during assembly. One or both housing members also include at least one, and preferably a plurality, of raised encapsulant injection ports. The raised encapsulant injection ports are designed to extend above the surface of the respective housing members and beyond the injected encapsulation material, thus ensuring that the ports remain open after encapsulation material injection.06-03-2010
20080241665ALL-SOLID-STATE LITHIUM-ION SECONDARY BATTERY AND PRODUCTION METHOD THEREOF - An all-solid-state lithium-ion secondary battery has an anode, a cathode, a solid electrolyte layer disposed between the anode and the cathode, and at least one of a first mixed region formed at an interface between the anode and the solid electrolyte layer and containing a constituent material of the anode and a constituent material of the solid electrolyte layer, and a second mixed region formed at an interface between the cathode and the solid electrolyte layer and containing a constituent material of the cathode and a constituent material of the solid electrolyte layer.10-02-2008
20110206974ELECTRODE AND PRODUCTION METHOD THEREOF - An electrode includes a collector formed with a conductive resin layer and an active material layer formed on the conductive resin layer. The active material layer comprises an active material and a binder polymer, and the conductive resin layer is bonded by thermal fusion bonding to the active material layer.08-25-2011
20080286647BATTERY PACK - Disclosed herein is a battery pack including: a plurality of cylindrical battery cells arranged in a plurality of rows and a plurality of layers; a partition member for partitioning the battery cells; and a casing for containing the battery cells partitioned by the partition member; wherein the material thickness of the casing is set to be larger than the material thickness of the partition member.11-20-2008
20090286148METHOD FOR EVALUATING INTERNAL SHORT-CIRCUIT OF BATTERY, DEVICE FOR EVALUATING INTERNAL SHORT-CIRCUIT OF BATTERY, BATTERY, BATTERY PACK AND THEIR MANUFACTURING METHODS - Methods for evaluating battery safety under internal short-circuit conditions are improved to eliminate variations in evaluation results and accurately evaluate battery safety under internal short-circuit conditions. An internal short-circuit is caused in a battery by using an internal short-circuit causing method in which battery information obtained upon the occurrence of an internal short-circuit hardly changes with the structure of the battery. At this time, the battery information is detected to accurately evaluate the safety of the battery upon the internal short-circuit and identify the safety level.11-19-2009
20100143784Manganese oxide composite electrodes for lithium batteries - An activated electrode for a non-aqueous electrochemical cell is disclosed with a precursor thereof a lithium metal oxide with the formula x{zLi06-10-2010
20090081534SECONDARY BATTERY, BATTERY PACK AND CAR - A secondary battery includes a positive electrode, a negative electrode containing a metal compound having a lithium ion absorption potential of 0.2V (vs.Li/Li03-26-2009
20090075166NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY MODULE - A nonaqueous electrolyte secondary battery includes a case, a nonaqueous electrolyte provided in the case, a positive electrode provided in the case, and a negative electrode provided in the case, the negative electrode comprising a negative electrode current collector and a negative electrode layer that is carried on the negative electrode current collector and contains negative electrode active material particles, and the negative electrode current collector comprising an aluminum foil having an average crystal grain size of 50 μm or less or an aluminum alloy foil having an average crystal grain size of 50 μm or less.03-19-2009
20090136837BATTERY PACK AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a battery pack is provided in which a cell 05-28-2009
20090053589ELECTROLYTES, ELECTRODE COMPOSITIONS, AND ELECTROCHEMICAL CELLS MADE THEREFROM - Disclosed are electrochemical cells that include electrodes comprising an electrolyte comprising a vinylene carbonate or a halogenated ethylene carbonate, composite electrodes, and a binder.02-26-2009
20090053590BATTERY AND ELECTRONIC DEVICE - An electronic device and battery configured to be attached to a device main frame of the electronic device in which device a display portion is supported at one edge of the main frame via a pair of hinge portions so as to be rotatable. Each of the pair of hinge portions includes a pair of supporting protrusions protruding from the device main frame, and a pair of supported protrusions protruding from the display portion each supported by one of the pair of supporting protrusions. The battery includes a pair of cover portions covering the pair of supporting protrusions while the battery is in a state of attachment to the device main frame. A portion of the battery is disposed between the pair of hinge portions while in a state of attachment to the main frame, and the pair of cover portions are disposed adjacent to the pair of supported protrusion.02-26-2009
20090208834SECONDARY BATTERY WITH AUXILIARY ELECTRODE - The present invention includes three-dimensional secondary battery cells comprising an electrolyte, a cathode, an anode, and an auxiliary electrode. The cathode, the anode, and the auxiliary electrode have a surface in contact with the electrolyte. The anode and the cathode are electrolytically coupled. The auxiliary electrode is electrolytically coupled and electrically coupled to at least one of the anode or the cathode. Electrically coupled means directly or indirectly connected in series by wires, traces or other connecting elements. The average distance between the surface of the auxiliary electrode and the surface of the coupled cathode or the coupled anode is between about 1 micron and about 10,000 microns. The average distance means the average of the shortest path for ion transfer from every point on the coupled cathode or anode to the auxiliary electrode.08-20-2009
20120244414NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, a nonaqueous electrolyte battery including a negative electrode and a nonaqueous electrolyte is provided. The negative electrode includes a negative electrode active material having a lithium absorption potential of 1.0 V (vs Li/Li09-27-2012
20100015516CATHODE COMPOSITIONS FOR LITHIUM-ION ELECTROCHEMICAL CELLS - Provided are compositions useful as cathodes for lithium-ion batteries. The compositions include lithium mixed metal oxides of the formula, Li[Li01-21-2010
20110229753HIGH OUTPUT ELECTRICAL ENERGY STORAGE DEVICE - The present invention relates to an electric energy storage device such as a capacitor, a secondary battery, or the like, and more particularly, to an electric energy storage device capable of improving high output characteristics by using a voltage terminal. The electric energy storage device according to an exemplary embodiment of the present invention includes a positive electrode and a negative electrode storing electric energy and a positive current terminal and a negative current terminal connected to the positive electrode and the negative electrode to apply current; and a positive voltage terminal and a negative voltage terminal connected to the positive electrode and the negative electrode to detect voltage across the positive electrode and the negative electrode, wherein the charging or discharging operation is controlled by using the detected voltage across the positive electrode and the negative electrode as control voltage.09-22-2011
20100239901Separator for Lead Starved Storage Batteries - A separator for lead starved storage batteries comprises at least one layer of nonwoven fabric made from fibres of one or more organic polymers. In at least one embodiment, the nonwoven fabric is made from staple fibres of polyester with count between 0.1 and 4 dTex. In at least one embodiment of the invention, a lead starved storage battery is provided with such separators.09-23-2010
20090246615BATTERY PACK - A battery pack that prevents a solder material from flowing down due to a tab electrically connecting a battery to a protective circuit board, thereby improving reliability, coupling efficiency, safety, and productivity is disclosed. The battery pack includes: a multi-cell battery having a positive electrode and a negative electrode, in which a plurality of battery cells are electrically connected to each other; a protective circuit board electrically connected to the multi-cell battery and having via holes; a pair of conductive tabs each including an insert portion inserted into a corresponding via hole and a bending portion integrally extending from the insert portion and bent from the insert portion; and a pair of soldering portions each being formed at at least some portions of a corresponding insert portion and a corresponding bending portion.10-01-2009
20090148763ALKALINE BATTERY AND BATTERY PACK - A positive electrode and a gelled negative electrode are stored with a separator interposed therebetween in a battery case and an opening portion of the battery case is sealed with a gasket. The battery case is formed so that a thickness of a body portion thereof is smaller than a thickness of an opening portion thereof, the gasket includes a center portion, an outer circumference portion and a connection portion, an edge portion of the separator is in contact with the connection portion and bent toward the center portion and contact part of the edge portion with the connection portion has a length in a range of 1.5 mm to 2.5 mm. Furthermore, part of the separator which is not in contact with the positive electrode and the connection portion has a length of 1.5 mm or less.06-11-2009
20110117417Flexible Thin Film Solid State Lithium Ion Batteries - Exemplary flexible thin film solid state lithium ion batteries (05-19-2011
20130136972NONAQUEOUS SECONDARY BATTERY ELECTRODE, NONAQUEOUS SECONDARY BATTERY INCLUDING THE SAME, AND ASSEMBLED BATTERY - A nonaqueous secondary battery electrode contains, as an electrode active material, a layered composition including organic backbone layers containing an aromatic compound that is a dicarboxylic acid anion having two or more aromatic ring structures and having the two carboxylic acid anions of the dicarboxylic acid anion bonded to diagonally opposite positions of the aromatic compound and alkali metal element layers containing an alkali metal element coordinated to oxygen contained in the carboxylic acid anion to form a backbone. The nonaqueous secondary battery electrode is preferably used as a negative electrode. In addition, the layered composition is preferably formed in layers by π-electron interaction of the aromatic compound and has a monoclinic crystal structure belonging to the space group P205-30-2013
20110212359ELECTROCHEMICAL CELLS WITH IONIC LIQUID ELECTROLYTE - The present invention provides a lithium-ion electrochemical cell comprising an ionic liquid electrolyte solution and a positive electrode having a carbon sheet current collector.09-01-2011
20120148902CABLE-TYPE SECONDARY BATTERY HAVING METAL-COATED POLYMER CURRENT COLLECTOR - A cable-type secondary battery is disclosed. The cable-type secondary battery includes electrodes, each of which includes a current collector having a horizontal cross section of a predetermined shape and an active material layer formed on the surface of the current collector. The electrodes extend in the lengthwise direction and are arranged in parallel. The current collector includes a polymer core and a metal coating layer formed on the surface of the polymer core. The use of the metal-coated polymer current collectors having high flexibility and conductivity makes the secondary battery highly flexible while maintaining the performance of the secondary battery. In addition, the cable-type secondary battery can be reduced in weight.06-14-2012
20090087729LITHIUM-BASED BATTERY PACK FOR A HAND HELD POWER TOOL - A method for conducting an operation including a power tool battery pack. The battery pack can include a housing, a first cell supported by the housing and having a voltage, and a second cell supported by the housing and having a voltage. The battery pack also can be connectable to a power tool and be operable to supply power to operate the power tool. The method can include discharging one of the first cell and the second cell until the voltage of the one of the first cell and the second cell is substantially equal to the voltage of the other of the first cell and the second cell.04-02-2009
20110262797BATTERY MODULE - A battery module, battery pack, and electric vehicle, the battery module including a plurality of unit battery cells; a pair of end plates coupled together in a spaced relationship for receiving the unit battery cells therebetween; and a pressure control unit between the unit battery cells and the at least one end plate.10-27-2011
20100221596SYSTEMS, METHODS OF MANUFACTURE AND USE INVOLVING LITHIUM AND/OR HYDROGEN FOR ENERGY-STORAGE APPLICATIONS - Energy storage cells, batteries and associated methods and uses are implemented in a variety of manners. Consistent with one such implementation, a lithium ion and hydrogen ion battery cell includes a first electrode configured to store energy by interacting with lithium cations. A second electrode is configured to store energy by interacting with hydrogen cations. An aqueous electrolyte separates the first electrode from the second electrode and provides both the lithium cations and the hydrogen cations.09-02-2010
20120308872SEPARATORS FOR A LITHIUM ION BATTERY - A separator for use in a lithium ion battery to provide a physical and electrically insulative mechanical barrier between confronting inner face surfaces of a negative electrode and a positive electrode may be formed predominantly of heat-resistant particles. The heat-resistant particles, which have diameters that range from about 0.01 μm to about 10 μm, are held together as a thin-layered, handleable, and unified mass by a porous inert polymer material. The high content of heat-resistant particles amassed between the confronting inner face surfaces of the negative and positive electrodes provides the separator with robust thermal stability at elevated temperatures. Methods for making these types of separators by a phase-separation process are also disclosed.12-06-2012
20120208067High Voltage Lithium Ion Positive Electrode Material with Improved Cycle Life - A lithiated metal phosphate material substituted by divalent atoms at the M2 site and trivalent atoms, a portion of which are present at both the M2 and the M1 sites. The substituted material has the general formula of Li08-16-2012
20120208068METHOD FOR PRODUCING SEPARATOR, METHOD FOR PRODUCING MOLTEN SALT BATTERY, SEPARATOR, AND MOLTEN SALT BATTERY - A separator of a molten salt battery made of a porous resin sheet. The separator is improved in wettability to a molten salt by giving hydrophilicity to the resin sheet. In the case of a fluororesin sheet, the sheet is impregnated with water, and irradiated with ultraviolet rays so that C—F bonds in the fluororesin are cleaved and the resultant reacts with water to generate hydrophilic groups, such as OH groups, in each surface layer thereof. The separator gains hydrophilicity through the hydrophilic groups. The separator made of the resin can be made into a bag form. In a molten salt battery having the bag-form separator, the growth of a dendrite is prevented.08-16-2012
20120009460NEGATIVE ELECTRODE ACTIVE MATERIAL, NONAQUEOUS ELECTROLYTE BATTERY, BATTERY PACK AND VEHICLE - A negative electrode active material includes lithium-titanium composite oxide porous particles having an average pore size of 50 to 500 Å.01-12-2012
20120015233Cable-Type Secondary Battery - Provided is a cable-type secondary battery including an inner electrode comprising at least two anodes arranged in parallel that extend longitudinally and have a horizontal cross section of a predetermined shape, an electrolyte layer serving as an ion channel surrounding the inner electrode, an outer electrode comprising a tubular cathode having a horizontal cross section of a predetermined shape and surrounding the electrolyte layer, and a protection coating surrounding the outer electrode. The cable-type secondary battery has free shape adaptation due to its linearity and flexibility. A plurality of inner electrodes within a tubular outer electrode leads to an increased contact area therebetween and consequently a high battery rate. It is easy to control the capacity balance between the inner and outer electrodes by adjusting the number of inner electrodes.01-19-2012
20120058379NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - According to one embodiment, a nonaqueous electrolyte secondary battery includes a nonaqueous electrolytic solution, a positive electrode and a negative electrode is provided. The nonaqueous electrolytic solution comprises a nonaqueous solvent. The nonaqueous solvent comprises from 50 to 95% by volume of a sulfone-based compound represented by the following formula 1:03-08-2012
20120156546RESIN COMPOSITION AND ORGANIC-ELECTROLYTE BATTERY - Provided is a resin composition superior in the adhesiveness to a metal and having high organic solvent resistance, particularly, a resin composition preferable as a sealant for an organic electrolyte battery, which shows superior adhesiveness to a terminal or a collector made of a highly heat resistant metal such as stainless steel and nickel, does not easily develop degradation even when contacted with an organic electrolytic solution at a high temperature, and does not easily influence an electrolytic solution, and a highly reliable organic electrolyte battery wherein leaching of an electrolytic solution from an electrolyte layer is prevented by the resin composition.06-21-2012
20110104551NANOTUBE COMPOSITE ANODE MATERIALS SUITABLE FOR LITHIUM ION BATTERY APPLICATIONS - The present invention provides a composite material suitable for use in an anode for a lithium ion battery, the composite material comprising a layer of a lithium-alloying material on the walls of an aligned nanotubular base material. Preferably, the lithium-alloying material comprises a material selected from the group consisting of Si, Sn, Pb, Al, Au, Pt, Zn, Cd, Ag, Mg, and a combination of two or more of the foregoing.05-05-2011
20100248003Metallic article with improved fatigue performance and corrosion resistance - A metallic article with improved fatigue performance and resistance to corrosive attack and stress corrosion cracking is produced by treating a first area of a metallic article with a first surface treatment that induces a specified amount of cold work. A second, sacrificial area of the metallic article in electrical communication with the first area is treated with a second surface treatment that induces an amount of cold work higher than that of the first surface treatment. Due to the differences in cold work resulting from the different surface treatments, the second area of the metallic article is less noble than the first area and is therefore more susceptible to corrosive attack. As a result, the second sacrificial area will preferentially corrode leaving the first area protected from corrosive attack. Compressive residual stresses induced in the surface of the metallic article through the surface treatments improve the fatigue performance and resistance to stress corrosion cracking.09-30-2010
20120129035NON-AQUEOUS ELECTROLYTE TYPE LITHIUM ION SECONDARY CELL - There is provided a lithium ion secondary cell excellent in charging and discharging cycle characteristics. A lithium ion secondary cell includes an electrode body including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, and a separator, and a non-aqueous electrolyte containing a lithium salt as a supporting salt in an organic solvent, the electrode body and the non-aqueous electrolyte being accommodated in a case. The positive electrode active material is a lithium transition metal oxide having a spinel type structure. The electrolyte contains a compound represented by a chemical formula (I) in an amount of β mol relative to the total content α mol of moisture to be mixed in the cell. β satisfies −0.8 log(β/α)≦1.5.05-24-2012
20110183182GALVANIC ELEMENT WITH SHORT CIRCUIT FUSE PROTECTION - A galvanic element includes at least one single cell having electrodes arranged on a substantially flat separator, at least one of which has a current collector provided with an output lug overlapping an edge area of the separator, with at least one thin layer being arranged in this edge area such that direct mechanical contact is prevented between the output lug and the separator.07-28-2011
20120214044SECONDARY BATTERY, BATTERY PACK AND CAR - A secondary battery includes a positive electrode, a negative electrode containing a metal compound having a lithium ion absorption potential of 0.2V (vs.Li/Li08-23-2012
20120077074ACTIVE MATERIAL, METHOD OF PRODUCING THE SAME, NONAQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, there is provided an active material including a titanium oxide compound having a monoclinic titanium dioxide crystal structure and satisfying the equation (I).03-29-2012
20090061297Stacked Type Battery and Method of Manufacturing the Same - A stacked cell is provided with a plurality of unit cells stacked in a prescribed direction, and a bundling member for bundling the unit cells in a prescribed direction. The unit cell includes a positive electrode collector foil and a negative electrode collector foil laid one over another in a prescribed direction, a cell element arranged between the positive electrode collector foil and the negative electrode collector foil, and an insulating resin sandwiched between the positive electrode collector foil and the negative electrode collector foil and arranged around the cell element. The cell elements are arranged on the positive electrode collector foil and the negative electrode collector foil, respectively, and have a positive electrode active material layer and a negative electrode active material layer which face each other and an electrolyte material layer between the positive electrode active material layer and the negative electrode active material layer. The thickness of the unit cell is less in a region where the insulating resin is included than in a region where the cell element is included. The stacked cell wherein a suitable surface pressure is operated to the cell element even in a case where the thickness of the cell element changes during cell recharge/discharge, and a method for manufacturing such stacked cell are provided.03-05-2009
20100003592ALL SOLID STATE SECONDARY BATTERY - This is to provide an all solid state secondary battery which can be produced by an industrially employable method capable of mass-production and has excellent secondary battery characteristics.01-07-2010
20120263996ELECTROCHEMICAL CELL - An electrochemical cell is disclosed. In one embodiment, the cell includes i) a housing comprising first, second and third chambers, wherein the first chamber is interposed between the second and third chambers, ii) a first separator spatially separating the first and second chambers and iii) a second separator spatially separating the first and third chambers.10-18-2012
20120263997TERMINAL SECTION FOR STORAGE BATTERY, NUT FOR TERMINAL OF THE SAME TERMINAL SECTION FOR STORAGE BATTERY, LID FOR STORAGE BATTERY WITH THE SAME TERMINAL SECTION FOR STORAGE BATTERY, AND STORAGE BATTERY - An object of the invention is to provide a terminal section for storage battery that allows external leading wires to be simultaneously attached thereto at two or more locations, a nut for terminal of the terminal section for storage battery, a lid for storage battery with the terminal section for storage battery, and a storage battery.10-18-2012
20120276439LITHIUM ION SECONDARY BATTERY - It is difficult to display the polarity of terminal electrodes of lithium ion batteries. With conventional lithium ion secondary batteries, since different materials are employed for the active substances that make up a positive electrode and a negative electrode, problems arise if the polarities of the electrodes are mistaken when the battery is installed. A battery has been developed using an active substance material functioning as a secondary battery even when the same material is used for the active substances that make up the positive electrode and the negative electrode, and a non-polar secondary battery has been produced. With no distinction between the terminal electrodes, attention does not need to be paid to the direction of installation, thereby simplifying the installation step. Furthermore, since there is no need to manufacture a positive electrode layer and a negative electrode layer separately, the step for manufacturing the battery is also simplified.11-01-2012
20110262798ELECTROCHEMICAL STORAGE ELEMENT - The invention relates to an improved electrochemical construction or storage element for storing and discharging electric energy, characterized by a reduction or the prevention of a formation of magnetic stray fields. For this purpose the element has at least two electrochemical cells comprising the typical components. Said cells are disposed relative to each other such that a tag (10-27-2011
20120100412CABLE-TYPE SECONDARY BATTERY - Provided is a cable-type secondary battery including an electrode assembly having a horizontal cross section of a predetermined shape and extending longitudinally, and a wire-type outer current collector wound on the outer surface of the electrode assembly, the electrode assembly including an inner current collector, an anode active material layer, and an electrolyte layer, and a cathode active material layer.04-26-2012
20120135291METHOD FOR PREPARING A MIXTURE OF AN ELECTRODE ACTIVE COMPOUND POWDER AND AN ELECTRONIC CONDUCTOR COMPOUND POWDER, RESULTING MIXTURE, ELECTRODE, CELL AND BATTERY - A method for preparing a mixture of a powder of an electrode active compound and of a powder of an electron conducting compound, wherein the following successive steps are performed: a liquid medium is prepared containing the powder of the electrode active compound and the powder of the electron conducting compound; the liquid medium containing the powder of the electrode active compound and the powder of the electron conducting compound is subjected to the action of high energy ultrasonic waves; the liquid medium is removed; the mixture of the powder of the electrode active compound and of the powder of the electron conducting compound is collected.05-31-2012
20130017433DEPOSITED MICROARCHITECTURED BATTERY AND MANUFACTURING METHOD - A battery includes a first portion including a substrate having formed thereon a current collector and an anode electrode material. A second portion is formed on a substrate and includes a current collector and a cathode electrode material. The first portion is joined to the second portion and a separator is disposed between the first portion and the second portion as joined to separate the anode electrode material from the cathode electrode material. An electrolyte is placed in contact with the anode electrode material, the cathode electrode material and the separator.01-17-2013
20130171502Hybrid electrode and surface-mediated cell-based super-hybrid energy storage device containing same - The present invention provides a multi-component hybrid electrode for use in an electrochemical super-hybrid energy storage device. The hybrid electrode contains at least a current collector, at least an intercalation electrode active material storing lithium inside interior or bulk thereof, and at least an intercalation-free electrode active material having a specific surface area no less than 100 m07-04-2013
20100015517LEAD-ACID BATTERY AND ASSEMBLED BATTERY - A lead-acid battery 01-21-2010
20130095367ELECTRODE ASSEMBLY COMPRISING FIBER-SHAPED STRUCTURES - The present invention relates to an electrode assembly comprising fiber-shaped structures. The electrode assembly for a battery according to one embodiment of the present invention comprises: a first electrode including a plurality of first fiber-shaped structures extending in a first direction; a second electrode including a plurality of second fiber-shaped structures which extend in a second direction other than the first direction, and the polarities of which are different from the polarities of the first structures; and a first separator film interposed between the first structures and the second structures which intersect with each other, so as to separate the first structures and the second structures from each other.04-18-2013
20130101890STACKED CONSTRUCTIONS FOR ELECTROCHEMICAL BATTERIES - A stacked battery has at least two cell segments arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second electrode unit having a second active material electrode, and an electrolyte layer between the active material electrodes. One or more gaskets may be included in each cell segment to seal the electrolyte within the cell segment.04-25-2013
20130149590ALKALI METAL-METAL HALIDE BATTERY - The disclosure provides an alkali metal-metal halide battery cell. The alkali metal-metal halide battery cell comprises a separator; a cathode compartment; and an anode compartment disposed on the opposite side of said separator; wherein the cathode current collector is one of an over-sized current collector, a brush-like current collector, or a combination thereof. The battery cell has improved propertied, such as reduced internal resistance and improved discharging properties.06-13-2013
20110274962NEGATIVE ELECTRODE ACTIVE MATERIAL FOR BATTERIES, NON-AQUEOUS ELECTROLYTE BATTERY AND BATTERY PACK - According to one embodiment, a non-aqueous electrolyte battery includes an outer container, a positive electrode housed in the outer container, a negative electrode housed in the outer container such as to spatially apart from the positive electrode and includes a particulate active material, and a non-aqueous electrolyte filled in the outer container, wherein the particulate active material includes a particle containing a substance having a lithium absorption and desorption potential of from 1 V vs. Li/Li11-10-2011
20110300431METHOD OF PROTECTING BATTERY CELLS AND BATTERIES WHICH CONTAIN BATTERY CELLS AND PROTECTED BATTERY CELLS AND BATTERIES WHICH CONTAIN BATTERY CELLS - Coating a battery cell, or at least one battery cell in an assembly of battery cells or in a battery, or coating an assembly of battery cells or a battery which contains a battery cell or such an assembly with a fire-resistant coating is effective for protecting the cell, assembly, and battery and for retarding fire propagation.12-08-2011
20120028105Battery Packs for Vehicles and High Capacity Pouch Secondary Batteries for Incorporation into Compact Battery Packs - High performance battery packs are described especially for use in electric vehicles and plug-in hybrid electric vehicles. Based on high energy lithium ion battery designs, the battery packs can have pairs of parallel connected batteries to supply an energy capacity at full discharge of at least about 40 kilowatt-hours or in alternative embodiments a set of all series connected batteries that can produce at full discharge at least about 15 kilowatt-hours. In some embodiments, lithium rich positive electrode active materials can be used to faun the batteries in which the material comprises a composition approximately represented by a formula xLi02-02-2012
20130196209ELECTRODE COMPOSITIONS, ENERGY STORAGE DEVICES AND RELATED METHODS - A positive electrode composition is presented. The composition includes at least one electroactive metal; at least one alkali metal halide; and at least one additive including a plurality of nanoparticles, wherein the plurality of nanoparticles includes tungsten carbide. An energy storage device, and a related method for the preparation of an energy storage device, are also presented.08-01-2013
20130095366STACKED CONSTRUCTIONS FOR ELECTROCHEMICAL BATTERIES - A stacked battery has at least two cell segments arranged in a stack. Each cell segment may have a first electrode unit having a first active material electrode, a second electrode unit having a second active material electrode, and an electrolyte layer between the active material electrodes. One or more gaskets may be included in each cell segment to seal the electrolyte within the cell segment.04-18-2013

Patent applications in class Plural cells

Patent applications in all subclasses Plural cells