Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SEALED BATTERY, MANUFACTURING METHOD OF THE SAME, AND BATTERY PACK MADE OF A PLURALITY OF SEALED BATTERIES
Document Type and Number:
Japanese Patent JP2006156135
Kind Code:
A
Abstract:

To provide a sealed battery that has a low resistance and excellent output characteristic current collection structure by specially positioning welds between a lower collecting plate and a battery container bottom without using a collector of special structure and a complicated welding method.

Welds 100-1 between a lower side of the lower collecting plate 100 and an inner side of the bottom of a battery container 60 are at least within a range outside positions 101 of the lower collecting plate correspondingly just under ends of a cap 80. The welds 100-1 are at least within a range enclosed by concentric circles spaced from the center of the lower collecting plate by 48% and 93% of the length from the center to the circumference.


Inventors:
OKABE KAZUYA
YOKOTA TOMOJI
ITAGAKI TAKAHIRO
KISHIMOTO NORIYOSHI
IDO SHUICHI
Application Number:
JP2004345151A
Publication Date:
June 15, 2006
Filing Date:
November 30, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
GS YUASA CORP
International Classes:
H01M50/528; H01M10/04; H01M50/533; H01M50/538
Domestic Patent References:
JPH11307076A1999-11-05
JP2005100949A2005-04-14
JP2005259511A2005-09-22