BATTERY PACK

PROBLEM TO BE SOLVED: To provide a battery pack capable of showing high battery performance by having longer cycle life than existing battery pack. SOLUTION: Electrical resistance between unit cells (20B and 20C) adjacent in the vicinity of the center in the length direction of a module is set lower...

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Bibliographic Details
Main Authors WAKINO MASAHIRO, KATAYAMA YOSHINOBU, TAKEE MASAO
Format Patent
LanguageEnglish
Published 10.11.2005
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
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 a battery pack capable of showing high battery performance by having longer cycle life than existing battery pack. SOLUTION: Electrical resistance between unit cells (20B and 20C) adjacent in the vicinity of the center in the length direction of a module is set lower than electrical resistance between unit cells (20A and 20B, 20C and 20D) adjacent in the vicinity at both ends of a battery module 2. Concretely, a flat tab 10B connecting unit cells 20B and 20C is made thicker than flat tabs 10A, 10C connecting between unit cells 20A and 20B, and between 20C and 20D. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040131898