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1. WO2006126665 - ELECTRODE MATERIAL FOR ELECTROCHEMICAL DEVICE AND COMPOSITE PARTICLE

Publication Number WO/2006/126665
Publication Date 30.11.2006
International Application No. PCT/JP2006/310525
International Filing Date 26.05.2006
IPC
H01G 11/22 2013.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer capacitors; Processes for the manufacture thereof or of parts thereof
22Electrodes
H01G 11/24 2013.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer capacitors; Processes for the manufacture thereof or of parts thereof
22Electrodes
24characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
H01G 11/26 2013.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer capacitors; Processes for the manufacture thereof or of parts thereof
22Electrodes
26characterised by their structure, e.g. multi-layered, porosity or surface features
H01G 11/32 2013.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer capacitors; Processes for the manufacture thereof or of parts thereof
22Electrodes
30characterised by their material
32Carbon-based
H01G 11/38 2013.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer capacitors; Processes for the manufacture thereof or of parts thereof
22Electrodes
30characterised by their material
32Carbon-based
38Carbon pastes or blends; Binders or additives therein
H01G 11/86 2013.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer capacitors; Processes for the manufacture thereof or of parts thereof
84Processes for the manufacture of hybrid or EDL capacitors, or components thereof
86specially adapted for electrodes
CPC
H01G 11/24
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors [EDLCs]; Processes specially adapted for the manufacture thereof or of parts thereof
22Electrodes
24characterised by structural features, e.g. forms, shapes, surface areas, porosities or dimensions, of the materials making up or comprised in the electrodes; characterised by the structural features of powders or particles used therefor
H01G 11/48
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors [EDLCs]; Processes specially adapted for the manufacture thereof or of parts thereof
22Electrodes
30characterised by their materials
48Conductive polymers
H01M 10/052
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
H01M 4/0404
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
04Processes of manufacture in general
0402Methods of deposition of the material
0404by coating on electrode collectors
H01M 4/0409
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
04Processes of manufacture in general
0402Methods of deposition of the material
0409by a doctor blade method, slip-casting or roller coating
H01M 4/139
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
139Processes of manufacture
Applicants
  • 日本ゼオン株式会社 ZEON CORPORATION [JP]/[JP] (AllExceptUS)
  • 森 英和 MORI, Hidekazu [JP]/[JP] (UsOnly)
  • 松井 政義 MATSUI, Masayoshi [JP]/[JP] (UsOnly)
Inventors
  • 森 英和 MORI, Hidekazu
  • 松井 政義 MATSUI, Masayoshi
Agents
  • KIKUMA, Tadayuki
Priority Data
2005-15338626.05.2005JP
2005-22997808.08.2005JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ELECTRODE MATERIAL FOR ELECTROCHEMICAL DEVICE AND COMPOSITE PARTICLE
(FR) MATÉRIAU D’ÉLECTRODE POUR DISPOSITIF ÉLECTROCHIMIQUE ET PARTICULE COMPOSITE
(JA) 電気化学素子電極材料および複合粒子
Abstract
(EN)
Disclosed is an electrode material for electrochemical devices which enables to obtain an electrochemical device having low internal resistance and high capacity. Particularly disclosed is an electrode material for electrochemical devices which enables to obtain an electrochemical device electrode having a uniform active material layer by roll forming at a high forming rate. Also disclosed is an electrode made of such an electrode material. The electrode material for electrochemical devices contains composite particles (&agr;) containing an electrode active material, a conductive material, a fluororesin (a) having a structural unit obtained by polymerizing tetrafluoroethylene and a melting point of not less than 200˚C, and an amorphous polymer (b) having no structural unit obtained by polymerizing tetrafluoroethylene and a glass transition temperature of not more than 180˚C.
(FR)
L’invention concerne un matériau d’électrode pour dispositifs électrochimiques permettant d’obtenir un dispositif électrochimique de faible résistance interne et de grande capacité. Elle concerne en particulier un matériau d’électrode pour dispositifs électrochimiques permettant d’obtenir une électrode de dispositif électrochimique ayant une couche de matériau actif uniforme par laminage à haut débit. Elle concerne également une électrode faite d’un tel matériau d’électrode. Le matériau d’électrode pour dispositifs électrochimiques comprend des particules composites (&agr;) contenant un matériau actif d’électrode, un matériau conducteur, une résine fluorée (a) ayant une unité structurelle obtenue par polymérisation de tétrafluoréthylène et un point de fusion supérieur ou égal à 200°C, et un polymère amorphe (b) sans unité structurelle obtenue par polymérisation de tétrafluoréthylène et ayant une température de transition vitreuse ne dépassant pas 180°C.
(JA)
 低い内部抵抗と高い容量とを兼ね備えた電気化学素子を得ることができ、特にロール成形において均一な活物質層を有する電気化学素子電極を高い成形速度で得ることが可能な電気化学素子電極材料、及び該電極材料によって形成された電極を提供する。電極活物質、導電材、テトラフルオロエチレンを重合してなる構造単位を含み且つ融点が200°C以上のフッ素樹脂(a)、およびテトラフルオロエチレンを重合してなる構造単位を含まず且つガラス転移温度が180°C以下の非晶性重合体(b)を含んでなる複合粒子(α)を含有してなる電気化学素子電極材料。
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