ELECTROCHEMICAL DEVICE

PROBLEM TO BE SOLVED: To provide an electrochemical device using an elastic film as an envelope, preventing explosion or ignition caused by the increase of temperature inside the envelope, with sharply improved safety. SOLUTION: For the electrochemical device having a lamination body of which, a pos...

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Bibliographic Details
Main Authors KAWAKAMI YOSHIO, AZUMA SHUJI, MARO HITOSHI, SAITO AKIRA, ENDO SEIICHI
Format Patent
LanguageEnglish
Published 20.09.2002
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:PROBLEM TO BE SOLVED: To provide an electrochemical device using an elastic film as an envelope, preventing explosion or ignition caused by the increase of temperature inside the envelope, with sharply improved safety. SOLUTION: For the electrochemical device having a lamination body of which, a positive electrode and a negative electrode are laminated through a separator, a dummy electrode which does no have a film containing electrode activation material at least on the surface facing the outermost electrode, is arranged at least at the position facing the outermost layer of the lamination body, and the dummy electrode and an electrode, to be mated with the outermost electrode of the lamination body, are electrically connected.
Bibliography:Application Number: JP20010070354