Patent application number | Description | Published |
20080199775 | BATTERY, EXAMINATION METHOD AND MANUFACTURING METHOD FOR NEGATIVE ELECTRODE THEREOF, AND EXAMINATION APPARATUS AND MANUFACTURING APPARATUS FOR NEGATIVE ELECTRODE THEREOF - In a method for examining a negative electrode of a battery, a total thickness of a current collector and an active material layer is measured. Then, in order to estimate a composition of the active material layer, the total resistivity of the current collector and the active material layer is measured. | 08-21-2008 |
20080199780 | ELECTROCHEMICAL ELEMENT, METHOD FOR MANUFACTURING ELECTRODE THEREOF, AND LITHIATION TREATMENT METHOD AND LITHIATION TREATMENT APPARATUS - A method for manufacturing an electrode for an electrochemical element capable of absorbing and releasing lithium ions includes a lithiation treatment method for compensating an irreversible capacity of the electrode for an electrochemical element. In the lithiation treatment method, lithium is provided to the electrode by allowing a lithium vapor to flow with a movement route of the lithium vapor limited. | 08-21-2008 |
20080268343 | ELECTROCHEMICAL ELEMENT AND ELECTRODE THEREOF, METHOD AND APPARATUS FOR MANUFACTURING THE ELECTRODE, METHOD AND APPARATUS FOR LITHIATION TREATMENT - A method for manufacturing an electrode of an electrochemical element includes providing lithium and an element that has a larger atomic weight than that of lithium and is other than a constituting material of the electrode to an electrode by using a lithium vapor and a vapor of the element. | 10-30-2008 |
20090017380 | NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, LITHIUM SECONDARY BATTERY USING SAME, AND METHODS FOR MANUFACTURING THOSE - A negative electrode for a secondary battery includes a separator; a negative electrode active material layer which is fixed to the separator and can store and emit lithium ions; and a current collector layer formed on the side of the separator opposite to the negative electrode active material layer. The negative electrode active material layer contains at least one selected from the group consisting of silicon, silicon alloys, compounds containing silicon and oxygen, compounds containing silicon and nitrogen, compounds containing silicon and fluorine, tin, tin alloys, compounds containing tin and oxygen, compounds containing tin and nitrogen, and compounds containing tin and fluorine. | 01-15-2009 |
20090098459 | ELECTROCHEMICAL ELEMENT, AND METHOD AND APPARATUS FOR MANUFACTURING ELECTRODE THEREOF - A method for manufacturing an electrode of an electrochemical element includes: (A) forming an active material layer on a current collector; and (B) providing lithium to the active material layer. The A step and the B step are carried out in continuous space. | 04-16-2009 |
20090104536 | NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND LITHIUM ION SECONDARY BATTERY USING THE SAME - A negative electrode for a lithium ion secondary battery including a current collector and an active material layer carried on the current collector, wherein the active material layer includes an active material represented by the general formula: Li | 04-23-2009 |
20090117462 | ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY COMPRISING SUCH ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - An electrode for a non-aqueous electrolyte secondary battery | 05-07-2009 |
20090162746 | BATTERY - A battery comprising a first electrode, a second electrode, a separator interposed between the first electrode and the second electrode, and an electrolyte having lithium ion conductivity. The first electrode and the second electrode are wound with the separator interposed therebetween to form an electrode assembly. The first electrode includes a current collector and an active material layer carried on one face of the current collector. The active material layer includes columnar particles having a bottom and a head, the bottom of the columnar particles being adhered to the current collector. The head of the columnar particles is positioned at an outer round side of the electrode assembly than the bottom. | 06-25-2009 |
20090246631 | ELECTRICITY STORAGE DEVICE - Disclosed is an electricity storage device which can be charged/discharged at high rate and have high output, high capacity and excellent repeating charge/discharge characteristics, although it uses a non-carbon material as a negative electrode active material. Specifically disclosed is an electricity storage device comprising: a positive electrode collector; a positive electrode disposed on the positive electrode collector and including a positive electrode active material which can reversibly absorb/desorb at least anions; a negative electrode collector; and a negative electrode disposed on the negative electrode collector and including a negative electrode active material which can substantially absorb/desorb lithium ions reversibly. The negative electrode active material is composed of at least one substance selected from the group consisting of silicon, a silicon-containing alloy, a silicon compound, tin, a tin-containing alloy, and a tin compound; and the negative electrode is formed as a thin film having a thickness of 10 μm or less. | 10-01-2009 |
20090280049 | PURIFYING METHOD FOR METALLIC SILICON AND MANUFACTURING METHOD OF SILICON INGOT - In a purifying method for metal grade silicon, metal grade silicon with a silicon concentration not less than 98 wt % and not more than 99.9 wt % is prepared. The metal grade silicon contains aluminum not less than 1000 ppm and not more than 10000 ppm by weight. The metal grade silicon is heated at a temperature not less than 1500° C. and not more than 1600° C. in an inert atmosphere under pressure not less than 100 Pa and not more than 1000 Pa, and maintained at the temperature in the atmosphere for a predetermined period. | 11-12-2009 |
20090280407 | BATTERY, ELECTRODE, AND CURRENT COLLECTOR USED THEREFOR - The present invention relates to a current collector including a base portion with a flat face, primary projections projecting from the flat face, and secondary projections projecting from the top of the primary projections. The present invention also relates to a current collector including a base portion with a flat face and primary projections projecting from the flat face, wherein the roughening rate of the top of the primary projections is 3 to 20. By using such a current collector, separation of the active material from the current collector can be inhibited when using an active material that has a high capacity but undergoes a large expansion at the time of lithium ion absorption. | 11-12-2009 |
20090311602 | ELECTRODE FOR LITHIUM BATTERIES AND METHOD OF MANUFACTURING ELECTRODE FOR LITHIUM BATTERIES - To accelerate a film formation rate in forming a negative electrode active material film by vapor deposition using an evaporation source containing Si as a principal component, and to provide an electrode for lithium batteries which is superior in productivity, and keeps the charge and discharge capacity at high level are contemplated. The method of manufacturing an electrode for lithium batteries of the present invention includes the steps of: providing an evaporation source containing Si and Fe to give a molar ratio of Fe/(Si+Fe) being no less than 0.0005 and no greater than 0.15; and vapor deposition by melting the evaporation source and permitting evaporation to allow for vapor deposition on a collector directly or through an underlying layer. The electrode for lithium batteries of the present invention includes a collector, and a negative electrode active material film which includes SiFe | 12-17-2009 |
20100075036 | DEPOSITION APPARATUS AND METHOD FOR MANUFACTURING FILM BY USING DEPOSITION APPARATUS - A vapor deposition device | 03-25-2010 |
20100089544 | MOLD FOR FORMING CAST RODS, CASTING APPARATUS, AND PRODUCTION METHOD OF CAST RODS - Disclosed is a mold | 04-15-2010 |
20100112451 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A negative electrode | 05-06-2010 |
20100129711 | NEGATIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - This invention provides a negative electrode and a non-aqueous electrolyte secondary battery including the negative electrode. The negative electrode includes a Li-absorbing element as a negative electrode active material, is free from deformation, separation of the negative electrode active material layer from the negative electrode current collector, and deposition of lithium on the negative electrode current collector, and is excellent in cycle characteristic, large-current discharge characteristic, and low-temperature discharge characteristic. | 05-27-2010 |
20100143583 | ENERGY DEVICE AND METHOD FOR PRODUCING THE SAME - A negative active material thin film containing silicon as a main component is formed on a collector. A composition gradient layer, in which a composition distribution of a main component element of the collector and silicon is varied smoothly, is formed in the vicinity of the interface between the collector and the negative active material thin film. The composition gradient layer contains at least one kind of third element selected from W, Mo, Cr, Co, Fe, Mn, Ni, and P, in addition to the elements contained in the collector and the elements contained in the negative active material thin film. The third element irregularizes the atomic arrangement at the interface between the collector and the negative active material thin film. Therefore, even when the negative active material absorbs/desorbs ions during charging/discharging, thereby allowing silicon particles in the negative active material to expand/contract, the strain at the interface involved in the expansion/contraction of the silicon particles is alleviated, and peeling at the interface between the negative active material thin film and the collector is suppressed. Consequently, cycle characteristics are enhanced. | 06-10-2010 |
20100151322 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF MANUFACTURING NEGATIVE ELECTRODE THEREOF - Disclosed is a method for producing a negative electrode for nonaqueous electrolyte batteries, which comprises the following three steps: (A) a step for forming a negative electrode by depositing a negative electrode active material on a collector; (B) a step for subjecting the negative electrode to a heat treatment; and (C) a step for providing the negative electrode active material with lithium after the step (B). | 06-17-2010 |
20100151329 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD OF MANUFACTURING NEGATIVE ELECTRODE THEREOF - A method of manufacturing a negative electrode includes: a first step of forming a plurality of columnar active material blocks capable of electrochemically storing and releasing lithium ions on the surface of a current collector; and a second step of disposing particulate lithium in the gaps between the active material blocks. | 06-17-2010 |
20100167112 | LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery including: a positive electrode current collector; a positive electrode active material layer that is provided in contact with the positive electrode current collector; a separator layer that is provided on a side of the positive electrode active material layer on which the positive electrode current collector is not provided; a negative electrode active material layer that is provided on a side of the separator layer on which the positive electrode active material layer is not provided, that primarily contains silicon or tin, and that includes a opposing portion opposing the positive electrode active material layer and a non-opposing portion not opposing the positive electrode active material layer, the opposing portion and the non-opposing portion containing lithium produced by a thin film-forming method; and a negative electrode current collector that is provided on a side of the negative electrode active material layer on which the separator layer is not provided. Thereby, deformation of the negative electrode and deterioration in cycle characteristics accompanied by such deformation can be prevented. | 07-01-2010 |
20100192858 | THIN FILM, METHOD AND APPARATUS FOR FORMING THE SAME, AND ELECTRONIC COMPONENT INCORPORATING THE SAME - A method for forming a thin film includes the steps of: supplying a deposition material in the form of a liquid onto a heated surface; heating and vaporizing the deposition material on the heated surface while the deposition material is undergoing movement; and depositing the deposition material onto a deposition surface. The deposition material is supplied onto a position of the heated surface where the vaporized deposition material does not reach the deposition surface. | 08-05-2010 |
20100196623 | FILM FORMING METHOD AND FILM FORMING APPARATUS - The present invention provides a film forming method and a film forming apparatus each of which is capable of forming films at low cost. The film forming method of the present invention includes the steps of (i) melting a solid material | 08-05-2010 |
20100272887 | THIN FILM FORMING APPARATUS AND THIN FILM FORMING METHOD - To provide a thin film forming apparatus capable of uniformly and adequately cooling down a substrate. The thin film forming apparatus of the present invention forms a thin film on an elongated substrate in vacuum and includes: a cooling body | 10-28-2010 |
20100272901 | THIN FILM FORMING APPARATUS AND THIN FILM FORMING METHOD - In a film forming method using gas cooling, a decrease in a film formation rate and an excessive load on a vacuum pump due to the introduction of the gas are avoided while achieving an adequate cooling effect. A thin film forming apparatus of the present invention includes: a cooling body | 10-28-2010 |
20100297339 | ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY COMPRISING SUCH ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - An electrode for a non-aqueous electrolyte secondary battery | 11-25-2010 |
20100330420 | METHOD FOR MANUFACTURING ELECTROCHEMICAL ELEMENT ELECTRODE - Includes the steps of preparing a sheet-like current collector | 12-30-2010 |
20110014519 | METHOD FOR FORMING DEPOSITED FILM - The present invention provides a vacuum deposition apparatus configured to simultaneously form a power collecting lead forming portion and an electrode active material portion of a lithium-ion secondary battery and having excellent mass productivity. With shutters | 01-20-2011 |
20110020536 | ELECTRODE FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME - A production method of an electrode for a lithium-ion secondary battery includes: (A) a step of providing a current collector | 01-27-2011 |
20110039017 | METHOD FOR MANUFACTURING THIN FILM - The present invention provides a thin film manufacturing method for improving a production volume by predicting expansion of a hole defect or a crack on a substrate and preventing the substrate from tearing. The thin film manufacturing method includes the steps of: depositing a deposition material on a surface of the substrate in a deposition region to form a thin film while carrying out take-up travel of the substrate between a first roll and a second roll; irradiating a predetermined portion of the surface of the substrate with an electromagnetic wave or a particle beam at a location in front of the deposition region and/or a location behind the deposition region between the first roll and the second roll and detecting the electromagnetic wave or particle beam, which has been transmitted through the substrate or reflected by the substrate; storing information regarding the detected electromagnetic wave or particle beam and the predetermined portion; determining based on the detected electromagnetic wave or particle beam whether or not a defect of the substrate at the predetermined portion is increasing; and carrying out an operation of preventing the substrate from tearing, in accordance with a determination result of the determining step. | 02-17-2011 |
20110111121 | THIN FILM FORMING METHOD AND FILM FORMING APPARATUS - The present invention relates to a method of forming a thin film by depositing, in a vacuum, particles emitted from a film forming source ( | 05-12-2011 |
20110111135 | THIN FILM MANUFACTURING METHOD AND SILICON MATERIAL THAT CAN BE USED WITH SAID METHOD - Particles coming from an evaporation source | 05-12-2011 |
20110117279 | THIN FILM FORMING METHOD AND FILM FORMING APPARATUS - A thin film forming apparatus ( | 05-19-2011 |
20110136012 | LITHIUM SECONDARY BATTERY MANUFACTURING METHOD AND LITHIUM SECONDARY BATTERY - A negative electrode active material layer | 06-09-2011 |
20110268893 | THIN FILM MANUFACTURING DEVICE AND THIN FILM MANUFACTURING METHOD - The present invention provides a thin film manufacturing device capable of preventing crack damage of a crucible by, while maintaining a melt state of a film formation material in the crucible, tilting the crucible to discharge substantially the entire amount of film formation material from the crucible. The thin film manufacturing device of the present invention includes: a film forming source | 11-03-2011 |
20110269020 | ELECTROCHEMICAL ELEMENT ELECTRODE PRODUCING METHOD, ELECTROCHEMICAL ELEMENT ELECTRODE, AND ELECTROCHEMICAL ELEMENT - Provided is a method for easily and surely removing projections formed on the surface of an active material layer by a vacuum process when producing an electrochemical element electrode. Carried out to produce the electrochemical element electrode are: a first step of forming an active material layer on a current collector by a vacuum process, the active material layer being capable of storing and emitting lithium; a second step of storing the lithium in the active material layer; and a third step of removing projections on the surface of the active material layer storing the lithium. | 11-03-2011 |
20110281029 | METHOD FOR FORMING THIN FILM - Deterioration of the degree of vacuum in a vacuum chamber is prevented while securing adequate cooling performance by gas cooling. A substrate | 11-17-2011 |
20120009349 | THIN FILM FORMING DEVICE AND THIN FILM FORMING METHOD - In a film forming method using gas cooling, a decrease in a film formation rate and an excessive load on a vacuum pump due to gas introduction are avoided while achieving an adequate cooling effect. A thin film forming device of the present invention includes: a cooling body | 01-12-2012 |
20120100306 | THIN FILM MANUFACTURING METHOD AND SILICON MATERIAL WHICH CAN BE USED IN THE METHOD - Particles coming from an evaporation source | 04-26-2012 |
20120121794 | DEPOSITION QUANTITY MEASURING APPARATUS, DEPOSITION QUANTITY MEASURING METHOD, AND METHOD FOR MANUFACTURING ELECTRODE FOR ELECTROCHEMICAL ELEMENT - A manufacturing method according to the present invention includes a step of allowing lithium to deposit on a substrate provided with a layer capable of forming a compound together with lithium. A first beta ray and a second beta ray are emitted toward the substrate for irradiation before the deposition step to measure backscattering, from the substrate, of the first beta ray and the second beta ray. The first beta ray and the second beta ray are emitted toward the substrate for irradiation after the deposition step to measure backscattering, from the substrate, of the first beta ray and the second beta ray. A decrement in backscattering of the first beta ray before and after lithium deposition and a decrement in backscattering of the second beta ray before and after lithium deposition are calculated. The deposition step is controlled depending on the decrement in the backscattering of the first beta ray and the decrement in the backscattering of the second beta ray. | 05-17-2012 |
20120141677 | METHOD OF MANUFACTURING THIN FILM - The present invention provides a thin film manufacturing method which realizes stable, highly-efficient film formation using a nozzle-type evaporation source while avoiding unnecessary scattering and deposition of a film formation material before the start of the film formation. Used is a film forming apparatus including: an evaporation chamber | 06-07-2012 |
20120148746 | METHOD OF MANUFACTURING THIN FILM - The present invention provides a thin film manufacturing method which realizes stable, highly-efficient film formation using a nozzle-type evaporation source while avoiding unnecessary scattering and deposition of a film formation material after the termination of the film formation. Used is a film forming apparatus including: an evaporation chamber | 06-14-2012 |
20120301615 | THIN FILM-MANUFACTURING APPARATUS,THIN FILM-MANUFACTURING METHOD,AND SUBSTRATE-CONVEYING ROLLER - A conveyance system | 11-29-2012 |
20130014699 | DEPOSITION APPARATUS AND METHOD FOR MANUFACTURING FILM BY USING DEPOSITION APPARATUS - A vapor deposition device including an evaporation source for evaporating a vapor-depositing material; a transportation section including first and second rolls for holding the substrate in the state of being wound therearound and a guide section for guiding the substrate; and a shielding section, located in a vapor deposition possible zone, for forming a shielded zone which is not reachable by the vapor-depositing material from the evaporation source. Vapor deposition zones include a planar transportation zone for transporting the substrate such that the surface of the substrate to be subjected to the vapor-depositing material is planar; and the transportation section is located with respect to the evaporation source such that the vapor-depositing material is not incident on the substrate in a direction of the normal to the substrate in the vapor deposition possible zone excluding the shielded zone. | 01-17-2013 |
20130086947 | MOLD, CASTING APPARATUS, AND METHOD FOR PRODUCING CAST ROD | 04-11-2013 |
20130189424 | HEATING APPARATUS, VACUUM-HEATING METHOD AND METHOD FOR MANUFACTURING THIN FILM - Provided is a heating apparatus including: an object to be heated under vacuum; a heating body separable from the object to be heated, the heating body being configured so that a gap is formed between the heating body itself and the object to be heated; and a gas introduction channel for introducing a heat transfer gas into the gap. The object to be heated is heated by the heating body via the heat transfer gas. An example of the heating apparatus is a deposition apparatus | 07-25-2013 |
20130330472 | SUBSTRATE CONVEYANCE ROLLER, THIN FILM MANUFACTURING DEVICE AND THIN FILM MANUFACTURING METHOD - A substrate-conveying roller | 12-12-2013 |
20140050850 | VACUUM APPARATUS, METHOD FOR COOLING HEAT SOURCE IN VACUUM, AND THIN FILM MANUFACTURING METHOD - A vacuum apparatus ( | 02-20-2014 |
20140057448 | SUBSTRATE CONVEYING ROLLER, THIN FILM MANUFACTURING DEVICE, AND THIN FILM MANUFACTURING METHOD - A substrate-conveying roller includes a first shell, a second shell, an internal block, a manifold, and a clearance. The first shell has a plurality of first through holes serving as supply paths for a gas. The internal block is disposed inside the first shell. The manifold is formed in the internal block so as to guide the gas to the first through holes within the region of a specific angle. The clearance is formed so as to guide the gas to the first through holes outside the region of the specific angle. The second shell has second through holes for guiding the gas from the manifold to the first through holes, and is disposed between the first shell and the internal block. The central axes of the first through hole are offset from the central axes of the second through holes. | 02-27-2014 |
20140356728 | APPARATUS AND METHOD FOR MANUFACTURING THIN FILM, ELECTRO-CHEMICAL DEVICE AND METHOD FOR MANUFACTURING ELECTRO-CHEMICAL DEVICE - A thin film production apparatus of the present invention includes: a substrate feeding mechanism configured to continuously feed a substrate; a substrate receiving mechanism configured to receive the substrate; a substrate conveying mechanism; a film formation roller; a first film formation source configured to form a first thin film on a film formation surface of the substrate traveling on an upstream side of the film formation roller in a substrate conveyance direction along the substrate conveying mechanism; and a second film formation source configured to form a second thin film on a roller circumferential surface of the film formation roller. The film formation roller is placed so that a surface of the second thin film is joined in a face-to-face manner to a surface of the first thin film formed on the substrate. The substrate receiving mechanism winds thereon or stores therein the substrate, the first thin film, and the second thin film which have been integrated together. The second thin film is formed to a greater thickness and/or at a higher deposition rate than the first thin film. | 12-04-2014 |