WO2002021617A1 - Electrode material for electrochemical element and method for production thereof, and electrochemical element - Google Patents
Electrode material for electrochemical element and method for production thereof, and electrochemical element Download PDFInfo
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- WO2002021617A1 WO2002021617A1 PCT/JP2001/007719 JP0107719W WO0221617A1 WO 2002021617 A1 WO2002021617 A1 WO 2002021617A1 JP 0107719 W JP0107719 W JP 0107719W WO 0221617 A1 WO0221617 A1 WO 0221617A1
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- electrode
- electrode material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/46—Metal oxides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/84—Processes for the manufacture of hybrid or EDL capacitors, or components thereof
- H01G11/86—Processes for the manufacture of hybrid or EDL capacitors, or components thereof specially adapted for electrodes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/366—Composites as layered products
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0002—Aqueous electrolytes
- H01M2300/0014—Alkaline electrolytes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0025—Organic electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Definitions
- Electrode material for electrochemical device for electrochemical device, method for producing the same, and electrochemical device
- the present invention relates to an electrode material for an electrochemical device, a method for producing the same, and an electrochemical device using the electrode material. More specifically, the present invention relates to an electrode material comprising a composite of conductive material particles and a metal oxide, and a method for producing the same. And an electrochemical device using the electrode material, such as a lithium secondary battery and an electrochemical capacitor.
- Richiumu secondary battery electrode especially the positive electrode, and L i C o O 2 powder conductive material such as a positive electrode active material and carbon ing of a metal oxide such as an organic solvent solution or dispersion of the binder one
- the mixture is mixed to prepare a paste containing the positive electrode mixture, the paste containing the positive electrode mixture is applied to a current collector made of metal foil or the like, and dried to form a thin-film positive electrode mixture layer on the current collector. It is manufactured through a forming process.
- the lithium secondary battery having the positive electrode manufactured as described above has a high energy density
- the positive electrode active material is originally an insulator, so that it has a high current density (under a high load) under a high current density. Inability to sufficiently respond to charge / discharge and high capacity cannot be obtained.
- a binder is required to hold the active material and the like and maintain the shape of the positive electrode. Therefore, the conductivity is hindered by the binder, which is an insulator, and the characteristics under high current density are further deteriorated.
- An object of the present invention is to solve the above-mentioned problems of the conventional electrode material for an electrochemical element, to exhibit a high capacity even under a high current density, and to have an excellent filling property.
- An object of the present invention is to provide an electrode material suitable for use in an electrochemical device such as an electrochemical capacitor and an electrochemical device using the same.
- the present inventors have conducted various studies to achieve the above object, and as a result, from the fourth to sixth periods of the periodic table, the oxides of metal elements belonging to the range from Group 3 to Group 12 were obtained.
- Conductive substance particles are added to the coagulant liquid, mixed and dispersed, and heat-treated to form a composite of the conductive substance particles and the oxide of the metal element, which is high even under a high current density.
- the inventors have found that an electrode material having a high capacity, a high bulk density, and an excellent filling property can be obtained, and the present invention has been completed.
- a conductive material particle and a colloidal liquid of an oxide of a metal element belonging to Group 3 to Group 12 in the fourth to sixth periods of the periodic table are provided.
- an electrode material for an electrochemical element comprising a composite of a metal oxide and conductive material particles, which is obtained through a heat treatment of the mixed dispersion.
- a composite of a conductive material particle and an oxide of a metal element belonging to Group 3 to Group 12 in the fourth to sixth periods of the periodic table is provided.
- An electrode material for an electrochemical element wherein an oxide film of the metal element is formed on the surface of the conductive substance particles in a thickness of 0.5 to 10 nm.
- the electrode material for an electrochemical element according to the present invention has a higher bulk density, an excellent filling property, and can be highly filled, as compared to a material obtained by simply mixing a metal oxide and a conductive substance in a dry state.
- the surface of the conductive material particles is coated with the metal oxide, the contact between the conductive material and the metal oxide is improved, and the conductivity is improved. Chemical elements can be constructed.
- FIG. 1 is a schematic diagram illustrating an example of the shape of the electrode material of the present invention.
- FIG. 2 is a schematic diagram illustrating an example of a cross-sectional shape of the electrode material of the present invention.
- Figure 3 shows an example:! 7 is a diagram showing output characteristics of lithium secondary batteries of Comparative Examples 1 to 2 and Comparative Example.
- FIG. 1 is a diagram showing output characteristics of lithium secondary batteries of Comparative Examples 1 to 2 and Comparative Example.
- the metal oxide used in the production of the electrode material is an oxide of a metal element belonging to the range from Group 3 to Group 12 in the fourth to sixth periods of the periodic table.
- oxides of metal elements belonging to groups 3 to 12 in the fourth to sixth periods of the periodic table include, for example, Sc, Ti, V, and Cr. , Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Tc, Ru, Pd, Ag, Cd, Lanthanoid, Hf, Ta, W, Re, Os, Ir , Pt, Au, Hg, etc., in particular, V, Cr, Mn, Fe, Co, Ni, etc.
- Oxides of metal elements belonging to, and composite oxides containing these metal elements and at least one other metal element are preferred!
- the oxide of the above metal element may contain an element other than the above elements.
- Si, Sn, A1 an alkali metal element or an alkaline earth metal element, that is, L i or Mg may be contained.
- the conductive material particles for example, powders of carbons such as acetylene black, carbon black, active I. raw carbon, carbon fiber, carbon nanotubes, and metals such as aluminum, titanium, and nickel can be used. it can.
- the conductive substance particles may be primary particles or secondary particles, and may be particles such as acetylene black in which each particle is connected in a chain.
- the mixing ratio (weight) between the metal oxide and the conductive substance is preferably 70:30 to 10:90, particularly preferably 50:50 to 25:75.
- the oxide of the metal element is made into a colloid solution and then mixed with the conductive material particles.
- any mixing means such as a stirrer, a ball mill, and ultrasonic dispersion can be employed.
- the time is not particularly limited, but, for example, at 0 to 40 ° C; It is preferable to mix and disperse for about 12 hours.
- the heat treatment after mixing and dispersion may be performed after a mixture of the metal oxide and the conductive substance is separated from the dispersion to some extent by filtration, centrifugation, or the like, or may be performed using the mixed dispersion as it is. You may.
- the conditions for the heat treatment are not particularly limited, but the temperature is preferably 50 ° C or higher, more preferably 80 ° C or higher, and preferably 450 ° C or lower, and 300 ° C or lower. ° C or less is more preferable.
- the time is preferably 1 hour or more, more preferably 3 hours or more, and preferably 24 hours or less, and more preferably 10 hours or less.
- carbon is used as the conductive material particles, an oxidative decomposition reaction of carbon occurs when the temperature exceeds 450 ° C. Therefore, it is preferable to perform the heat treatment at a lower temperature than when using metal powder. It is more preferable to perform the heat treatment at 300 ° C. or less.
- the electrode material composed of a composite of a metal oxide and a conductive substance obtained through the above heat treatment with a transmission electron microscope reveals the presence of a black contour on the surface of the conductive substance particles
- a dispersive X-ray microanalyzer confirms that the black outline is a metal oxide. That is, it is confirmed that the electrode material of the present invention has a film of the above-mentioned metal oxide formed on the surface of the conductive material particles.
- the thickness of the coating is preferably in the range of 0.5 to 10 nm. By setting the thickness to 0.5 nm or more, a sufficient capacity as an electrode material can be obtained. By setting the thickness to 10 nm or less, conductivity is improved and sufficient output characteristics can be obtained.
- the electrode material is referred to as a “composite of an oxide of a metal element belonging to the range of Groups 3 to 12 in the fourth to sixth periods of the periodic table and conductive material particles”.
- the electrode material is composed only of the metal oxide and the conductive material, but that the metal oxide or a part of the conductive material is not used.
- the substance may be changed to another substance by the above-mentioned heat treatment, or may contain another substance within a range that does not adversely affect the properties thereof. It can be expected to improve cycle characteristics.
- the electrode material manufactured as described above has a lower bulk than a mixed powder obtained by simply mixing a metal oxide and a conductive substance, which can be expressed in terms of bulk (bulk) density.
- bulk density is the density including the space existing between individual powders when the powder is filled into a container, and is obtained by dividing the weight that can be filled in a given volume by the value of the volume. This The higher the bulk density value, the lower the bulk of the powder and the better the fillability.
- this bulk density has a different suitable value for different metal oxides and conductive substances, so it cannot be said that any range is preferable, but according to the present invention, the bulk density of the electrode material is reduced. However, its true density can be increased to nearly 15-60%.
- a binder such as polytetrafluoroethylene / poly (vinylidene fluoride) is added to the above electrode material and mixed, and the obtained electrode mixture is molded by an appropriate means.
- the electrode mixture is press-molded, or the electrode mixture is dispersed in a solvent to prepare an electrode mixture-containing paste (in this case, the binder is dissolved in the solvent in advance, and then the electrode material is prepared).
- the resulting electrode mixture-containing paste is applied to a current collector composed of a metal foil or a metal net and dried to form a thin-film electrode mixture layer. It is produced by
- the method for manufacturing the electrode is not limited to the method described above, but may be another method.
- a current collector similar to the above is immersed in a mixed dispersion of a metal oxide colloid liquid and a conductive substance, or the mixed dispersion is applied to a current collector, and the mixed dispersion is dispersed in the current collector.
- the electrode may be manufactured by performing a heat treatment after the liquid is attached.
- the electrode material of the present invention is capable of adding an appropriate amount of an aqueous dispersion of a binder such as polytetrafluoroethylene to a mixed dispersion of a colloidal solution of the metal oxide and a conductive substance. Since it has a sufficient binding force with the current collector, an electrode can be manufactured without containing a binder. Therefore, it is possible to provide an electrochemical device having extremely good output characteristics.
- the electrode material of the present invention has a doping / dedoping function of lithium ions, it can be used as an electrode material for electrochemical devices such as lithium secondary batteries and electrochemical capacitors. It is also conceivable that the electrode material used in the present invention has a high capacity even under high current density, so it can be used in electrochemical devices using aqueous electrolytes. It is suitable as an electrode material for lithium secondary batteries, alkaline storage batteries, and electrochemical capacitors, which are driving power supplies for applications requiring high output.
- the electrode material of the present invention has a high bulk density, is more excellent in filling property than a conventional electrode material composed of a mixed powder of a metal oxide and a conductive substance, and can produce an electrode without a binder. Further, by using this electrode material, it is possible to provide an electrochemical device exhibiting a high capacity even under a high current density.
- acetylene black 0.1 g of acetylene black, 2 g of water and 1 g of acetone were added to 5 g of the obtained colloidal solution of vanadium pentoxide, and the mixture was mixed and dispersed by stirring with a stirrer for 3 hours.
- a composite material was obtained.
- FIG. 1 is a schematic diagram illustrating the shape of the composite of Example 1
- FIG. 2 is a schematic diagram illustrating the cross-sectional shape thereof.
- the above electrode was punched into a 15 mm diameter circle to form a positive electrode, and the negative electrode was Using lithium disc-shaped, with a propylene carbonate with L i C 10 4 at a concentration of lmo LZl was dissolve as the electrolytic solution, a diameter of 20 mm, height: 1. two 6 mm Richiumu co fin-shaped primary A battery was manufactured.
- the colloidal solution of vanadium pentoxide obtained in the same manner as in Example 1 was heat-treated at 120 ° C. for 3 hours to obtain a fine powder of vanadium pentoxide.
- This vanadium pentoxide; powder and acetylene black were mixed at a weight ratio of 7:10, and the bulk density of the resulting mixed powder was measured.
- the bulk density of the mixed powder was 0.46 g / Atsuta in cm 3. That is, when the fine powder of yhivanadium pentate and acetylene black were mixed at the same ratio as the composition ratio of the composite of Example 1, the bulk density was as low as 1 Z 10 or less of the composite of Example 1. However, the filling property was poor.
- Example 1 a coin-shaped lithium secondary battery was manufactured in the same manner as in Example 1.
- the lithium secondary batteries of Examples 1 and 2 and Comparative Example were subjected to charge / discharge tests (charge cut voltage: 4.2 V, discharge cut voltage: 2.0 V) at various current densities, and the discharge capacity was measured. The output characteristics were evaluated.
- Figure 3 shows the results. Note that the current density in FIG. 3 is represented by a current value per unit area of the positive electrode, and the discharge capacity is represented by a discharge capacity per unit weight of vanadium pentoxide.
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Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002525929A JP4002829B2 (ja) | 2000-09-06 | 2001-09-06 | 電気化学素子用電極材料とその製造方法および電気化学素子 |
| AU2001284445A AU2001284445A1 (en) | 2000-09-06 | 2001-09-06 | Electrode material for electrochemical element and method for production thereof, and electrochemical element |
| EP01963456A EP1347523A4 (en) | 2000-09-06 | 2001-09-06 | ELECTRODE MATERIAL FOR ELECTROCHEMICAL ELEMENT, METHOD OF MANUFACTURING THEREOF, AND ELECTROCHEMICAL ELEMENT |
| US10/129,362 US7625673B2 (en) | 2000-09-06 | 2001-09-06 | Electrode material for electrochemical element and method for production thereof, and electrochemical element |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000-269531 | 2000-09-06 | ||
| JP2000269531 | 2000-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2002021617A1 true WO2002021617A1 (en) | 2002-03-14 |
Family
ID=18756120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2001/007719 Ceased WO2002021617A1 (en) | 2000-09-06 | 2001-09-06 | Electrode material for electrochemical element and method for production thereof, and electrochemical element |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7625673B2 (ja) |
| EP (1) | EP1347523A4 (ja) |
| JP (1) | JP4002829B2 (ja) |
| KR (1) | KR100450463B1 (ja) |
| AU (1) | AU2001284445A1 (ja) |
| WO (1) | WO2002021617A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005260006A (ja) * | 2004-03-11 | 2005-09-22 | Kri Inc | キャパシタ及びその製造方法 |
| JP2008305720A (ja) * | 2007-06-08 | 2008-12-18 | Samsung Sdi Co Ltd | 非水二次電池用負極及びそれを用いた非水二次電池 |
| JP2017091657A (ja) * | 2015-11-04 | 2017-05-25 | トヨタ自動車株式会社 | 非水電解液二次電池および非水電解液二次電池の製造方法 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6758957B1 (en) * | 2001-04-17 | 2004-07-06 | University Of Central Florida | Electrochemical deposition of carbon nanoparticles from organic solutions |
| US8709648B2 (en) * | 2002-06-04 | 2014-04-29 | Ener1, Inc. | Conductor-mixed active electrode material, electrode structure, rechargeable battery, and manufacturing method of conductor-mixed active electrode material |
| EP1511097A4 (en) * | 2002-06-04 | 2008-09-17 | Itochu Corp | ELECTRODE ACTIVE MATERIAL, ELECTRODE STRUCTURE, SECONDARY CELL, AMD PROCESS FOR PREPARING A ELECTRODE ACTIVE MATERIAL MIXED WITH CONDUCTIVE MATERIAL |
| DE10231319B4 (de) * | 2002-07-11 | 2013-08-14 | Dilo Trading Ag | Verfahren zur Herstellung von Speichern für elektrische Energie auf Basis von wiederaufladbaren Lithium-Polymer-Zellen |
| KR20050057237A (ko) * | 2002-09-05 | 2005-06-16 | 도꾸리쯔교세이호진 상교기쥬쯔 소고겡뀨죠 | 금속 산화물, 금속 질화물 또는 금속 탄화물 코트 탄소 미분말, 그 제조 방법, 당해 탄소 미분말을 사용한 슈퍼 커패시터 및 2차 전지 |
| EP1662592A4 (en) * | 2003-07-15 | 2008-09-24 | Itochu Corp | ELECTRICITY STRUCTURE AND ELECTRON STRUCTURE |
| US8143471B2 (en) * | 2006-04-21 | 2012-03-27 | Gas Technology Institute | Electrochemical capacitive concentration and deactivation of actinide nuclear materials |
| WO2008123444A1 (ja) * | 2007-03-29 | 2008-10-16 | Mitsubishi Materials Corporation | 正極形成材、その材料と製造方法、及びリチウムイオン二次電池 |
| KR101093266B1 (ko) * | 2007-05-11 | 2011-12-14 | 주식회사 엘지화학 | 이차전지용 전극 물질 및 그것의 제조 방법 |
| US20110070495A1 (en) * | 2009-09-23 | 2011-03-24 | Alliance For Sustainable Energy, Llc | Method of fabricating electrodes including high-capacity, binder-free anodes for lithium-ion batteries |
| US8599533B2 (en) | 2010-09-07 | 2013-12-03 | International Business Machines Corporation | Nanostructure electrode for pseudocapacitive energy storage |
| WO2012073874A1 (ja) * | 2010-11-30 | 2012-06-07 | 三洋電機株式会社 | 非水電解質二次電池用導電剤、非水電解質二次電池用正極、及び非水電解液二次電池 |
| JP6040489B2 (ja) * | 2011-10-29 | 2016-12-07 | 日本ケミコン株式会社 | シート状複合体、その製造方法、このシート状複合体を用いた電極及び電気化学素子 |
| WO2015191981A1 (en) * | 2014-06-12 | 2015-12-17 | The University Of New Hampshire | Manganese oxide compositions and their use as electrodes for aqueous phase energy storage devices |
| FR3131450B1 (fr) * | 2021-12-23 | 2025-05-02 | Hfg | Procede de fabrication d’une electrode poreuse, et batterie contenant une telle electrode |
| JP2025502735A (ja) * | 2021-12-23 | 2025-01-28 | アイ テン | 多孔質電極およびこのような電極を含有する電池を製造する方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10255785A (ja) * | 1997-03-13 | 1998-09-25 | Sanyo Electric Co Ltd | 水素吸蔵合金電極及びその製造方法 |
| JPH10275631A (ja) * | 1996-12-27 | 1998-10-13 | Canon Inc | 粉末材料、電極構造体、それらの製造方法及び二次電池 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2110097C (en) | 1992-11-30 | 2002-07-09 | Soichiro Kawakami | Secondary battery |
| FR2715508B1 (fr) * | 1994-01-21 | 1996-03-29 | Renata Ag | Générateur électrochimique primaire ou secondaire à électrode nanoparticulaire. |
| JP3347555B2 (ja) * | 1994-12-01 | 2002-11-20 | キヤノン株式会社 | リチウム二次電池の負極の作製方法 |
| US5518836A (en) * | 1995-01-13 | 1996-05-21 | Mccullough; Francis P. | Flexible carbon fiber, carbon fiber electrode and secondary energy storage devices |
| WO1997050135A1 (fr) * | 1996-06-26 | 1997-12-31 | Sanyo Electric Co., Ltd. | Electrode a base d'un alliage stockant l'hydrogene et procede de fabrication de cette electrode |
| EP1708297A3 (en) * | 1996-12-27 | 2007-03-07 | Canon Kabushiki Kaisha | Powdery material, electrode member, method for manufacturing same and secondary cell |
| US6458487B1 (en) * | 1997-07-25 | 2002-10-01 | Kabushiki Kaisha Toshiba | Positive active material and non-aqueous secondary cell made by using the same |
| JPH11233149A (ja) * | 1998-02-13 | 1999-08-27 | Sony Corp | 非水電解液電池 |
| JP2000036303A (ja) | 1998-07-17 | 2000-02-02 | Fuji Electric Co Ltd | 電気エネルギー貯蔵素子およびその製造方法 |
| KR100307453B1 (ko) * | 1999-02-19 | 2001-09-26 | 김순택 | 리튬이온 2차 전지의 음극 |
| JP3103357B1 (ja) * | 1999-09-28 | 2000-10-30 | 株式会社サムスン横浜研究所 | リチウム二次電池用の負極材料の製造方法 |
-
2001
- 2001-09-06 JP JP2002525929A patent/JP4002829B2/ja not_active Expired - Fee Related
- 2001-09-06 US US10/129,362 patent/US7625673B2/en not_active Expired - Fee Related
- 2001-09-06 KR KR10-2002-7005729A patent/KR100450463B1/ko not_active Expired - Fee Related
- 2001-09-06 WO PCT/JP2001/007719 patent/WO2002021617A1/ja not_active Ceased
- 2001-09-06 AU AU2001284445A patent/AU2001284445A1/en not_active Abandoned
- 2001-09-06 EP EP01963456A patent/EP1347523A4/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10275631A (ja) * | 1996-12-27 | 1998-10-13 | Canon Inc | 粉末材料、電極構造体、それらの製造方法及び二次電池 |
| JPH10255785A (ja) * | 1997-03-13 | 1998-09-25 | Sanyo Electric Co Ltd | 水素吸蔵合金電極及びその製造方法 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1347523A4 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005260006A (ja) * | 2004-03-11 | 2005-09-22 | Kri Inc | キャパシタ及びその製造方法 |
| JP2008305720A (ja) * | 2007-06-08 | 2008-12-18 | Samsung Sdi Co Ltd | 非水二次電池用負極及びそれを用いた非水二次電池 |
| JP2017091657A (ja) * | 2015-11-04 | 2017-05-25 | トヨタ自動車株式会社 | 非水電解液二次電池および非水電解液二次電池の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20020172869A1 (en) | 2002-11-21 |
| KR100450463B1 (ko) | 2004-10-01 |
| EP1347523A4 (en) | 2007-07-04 |
| JP4002829B2 (ja) | 2007-11-07 |
| EP1347523A1 (en) | 2003-09-24 |
| KR20020064308A (ko) | 2002-08-07 |
| JPWO2002021617A1 (ja) | 2004-01-22 |
| AU2001284445A1 (en) | 2002-03-22 |
| US7625673B2 (en) | 2009-12-01 |
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