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Patent Searching and Data


Title:
SEALED LEAD-ACID BATTERY
Document Type and Number:
Japanese Patent JPH08195217
Kind Code:
A
Abstract:

PURPOSE: To provide a sealed lead-acid battery which simultaneously achieves the enhancement of its discharge capacity and of its constant-voltage charge cycle characteristic.

CONSTITUTION: The amount of electrolyte in a battery system is 0.65ml or more per 1g of a fully charged positive active material, and a negative plate is made water-repellent for 2% or more and 10% or less of its surface area. Preferably the side of the negative plate which does not face the positive plate is selectively made water-repellent so as to provide a sealed lead-acid battery having a high capacity and an excellent cycle characteristic.


Inventors:
ISHIWATARI MASATO
IMON ISAO
MUROCHI HARUMI
Application Number:
JP568695A
Publication Date:
July 30, 1996
Filing Date:
January 18, 1995
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H01M4/14; H01M10/06; H01M10/34; (IPC1-7): H01M10/06; H01M4/14; H01M10/34
Attorney, Agent or Firm:
Akira Kobiji (2 outside)