Title:
BATTERY
Document Type and Number:
Japanese Patent JP2003257383
Kind Code:
A
Abstract:
To provide a battery with high sealing properties, no electrolyte leakage, less deterioration in battery performance, and high reliability.
This battery has a sealing part formed by crimping an outer case, and the sealing part has a stress absorbing part 9. The stress absorbing part is a thin part having a thickness of 30-80% of that of a base material, or notch part, or an alteration part.
Inventors:
FUKUOKA SATORU
MORITA SEIJI
NISHIGUCHI NOBUHIRO
INAMINE SHOICHI
KURIMURA MASAAKI
AKAI YASUO
MORITA SEIJI
NISHIGUCHI NOBUHIRO
INAMINE SHOICHI
KURIMURA MASAAKI
AKAI YASUO
Application Number:
JP2002053974A
Publication Date:
September 12, 2003
Filing Date:
February 28, 2002
Export Citation:
Assignee:
SANYO ELECTRIC CO
SANYO ENERGY TOTTORI KK
SANYO ENERGY TOTTORI KK
International Classes:
H01M2/02; (IPC1-7): H01M2/02
Attorney, Agent or Firm:
Shohei Oguri (4 outside)
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