SEALED LEAD-ACID STORAGE BATTERY - MATSUSHITA ELECTRIC IND CO LTD

Title:

SEALED LEAD-ACID STORAGE BATTERY

Document Type and Number:

Japanese Patent JPH0574464

Kind Code:

A

Abstract:

PURPOSE: To improve deterioration of the charge acception property of a sealed lead-acid storage battery caused by the condition of being left overdischarged with micro current which has not conventionally been recognized.

CONSTITUTION: An anode absorption type sealed lead-acid storage battery in which the ratio of the mole number of PbO2 in cathode active material at complete charging to that of sulfuric acid in electrolyte is not more than 1.0. A grid having a lead-tin alloy layer the tin content of which is 3 to 20wt.% is provided as a cathode grid on the whole or one part of the surface of a base made by a lead-tin-calcium alloy the tin content of which is 0.5 to 1.5wt%.

More Like This:

JP2000348732	LEAD-ACID BATTERY AND MANUFACTURE THEREFOR
JP6729140	Control valve type lead acid battery
JP4798972	Control valve type lead acid battery for standby

Inventors:

HORIE SHOJI
YONEZU WAKICHI
YASUDA HIROSHI
TAKAHASHI KATSUHIRO

Application Number:

JP23277891A

Publication Date:

March 26, 1993

Filing Date:

September 12, 1991

Export Citation:

Click for automatic bibliography generation Help

Assignee:

MATSUSHITA ELECTRIC IND CO LTD

International Classes:

H01M4/14; H01M4/73; H01M4/74; (IPC1-7): H01M4/14; H01M4/73; H01M4/74

Attorney, Agent or Firm:

Akira Kobiji (2 outside)

Next Patent: MANUFACTURE OF SOLID ELECTROLYTE FUEL CELL