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Title:
NEGATIVE ELECTRODE FOR AIR-TIGHT ALKALINE STORAGE SECONDARY BATTERY WITH CARBON-BLACK-CONTAINING GAS-CONSUMPTION LAYER AND MANUFACTURE THEREFOR
Document Type and Number:
Japanese Patent JP3457742
Kind Code:
B2
Abstract:

PURPOSE: To provide a minus electrode for airtight NiCd and NiH cells with the carbon covered surfaces for oxygen recombination with catalyst, to which material for carbon application is slightly and uniformly drawn to provide a long working time in battery operating conditions.
CONSTITUTION: For a minus electrode for an airtight alkali secondary battery with a carbon-contained gas consuming layer, carbon content is controlled by the mixture of water based carbon diffusing liquid and water base PTFE 1 diffusing liquid. Surfactant 4 used as an emulsifier for both diffusing liquid is uniformly of a cationic, anionic or non-ionic type.


Inventors:
Christoph Klaus
Application Number:
JP18745294A
Publication Date:
October 20, 2003
Filing Date:
August 09, 1994
Export Citation:
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Assignee:
Valta Battery Actien Gezershyaft
International Classes:
H01M4/24; H01M4/26; H01M4/62; H01M10/34; H01M10/52; H01M4/02; H01M4/38; (IPC1-7): H01M4/24; H01M4/26; H01M4/62
Domestic Patent References:
JP5174810A
Attorney, Agent or Firm:
Toshio Yano (2 outside)