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Title:
【発明の名称】気密々閉形アルカリ蓄電池
Document Type and Number:
Japanese Patent JP2677622
Kind Code:
B2
Abstract:
Alkaline Ni/Cd round cells (button cells) which are able to withstand long-term overloading with a relatively high current (five-hour current) for a practically unlimited time and still deliver approximately their rated capacity on discharge with an equal current after 12 months. The button cells of the invention comprise a negative electrode tablet provided with an auxiliary electrode comprising activated carbon integrated in the nickel wire gauze basket and a positive electrode constituted of a material which contains 20 wt. % to 35 wt. % metallic nickel as the second largest component of the mixture after Ni(OH)2, while the otherwide common conductive graphite is absent.

Inventors:
Helmut Glaser
Application Number:
JP20396588A
Publication Date:
November 17, 1997
Filing Date:
August 18, 1988
Export Citation:
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Assignee:
Vulta Buttelli Actien Gezershyaft
International Classes:
H01M2/12; H01M4/24; H01M4/44; H01M10/52; H01M10/30; H01M10/34; H01M4/02; H01M4/36; H01M4/52; H01M4/62; H01M4/76; (IPC1-7): H01M10/30; H01M4/24; H01M4/44; H01M4/52; H01M10/52
Domestic Patent References:
JPS6191866A
JPS60124368A
JPS4853228A
JPS6276265A
JPS61193378A
JP38010576Y1
Attorney, Agent or Firm:
Toshio Yano (1 outside)