ELECTRODE FOR ELECTROCHEMICAL ELEMENT AND ELECTROCHEMICAL ELEMENT

Japanese Patent JP3578272

B2

PROBLEM TO BE SOLVED: To provide an electrode for an electrochemical element, which has an excellent adhesion property to an active material layer and to a collector body such as a metal foil even without adding a binder and shows a high capacity even under a high current density and to provide the electrochemical element which shows the high capacity even under the high current density using the electrode.
SOLUTION: The electrode for the electrochemical element is constituted by forming a metal oxide dispersing a conductive substance in a continuous film of the metal oxide and a composite layer with the conductive substance at an average thickness of 5 to 50 μm along at least one direction face of the collector body and the electrochemical element is constituted by using the electrode, the counter electrode and the electrolyte. Oxides of metal elements belonging within the range of the 3rd group to the 12th group in the 4th period to the 6th period of periodic table are preferable as the metal oxide, carbon materials are preferable as the conductive substance and metal foils with 5 to 50 μm thickness are preferable as the collector body.

Hiroshi Abe

JP2002039395A

October 20, 2004

February 18, 2002

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Hitachi Maxell Co., Ltd.

H01G9/00; H01G11/02; H01G11/22; H01G11/24; H01G11/26; H01G11/46; H01G11/54; H01G11/66; H01G11/68; H01G11/70; H01G11/86; H01M4/13; H01M4/131; H01M4/139; H01M4/1391; H01M4/64; H01M10/05; H01M10/0566; (IPC1-7): H01M4/02; H01G9/00; H01G9/038; H01G9/058; H01M4/04; H01M4/48; H01M4/64; H01M10/40

JP10172572A
JP5094821A
JP10092426A
JP7254411A
JP2000511342A
JP10241677A
JP2003100287A

Tetsuo Miwa

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