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Title:
MANUFACTURE OF DRY BATTERY
Document Type and Number:
Japanese Patent JPS61107665
Kind Code:
A
Abstract:

PURPOSE: To increase the filling amount of positive mix to increase discharge capacity by pouring a slurry-like positive mix containing the excess amount of electrolyte in a zinc can, then inserting a molded positive mix.

CONSTITUTION: A positive mix comprises 100pts.wt. manganese dioxide and 15pts.wt. acetylene black. Electrolyte comprises 25wt% zinc chloride and 3wt% ammonium chloride. A slurry-like positive mix 3 is prepared by mixing 3pts.wt. positive mix and 6.5pts.wt. electrolyte, and a molded positive mix 4 is formed by molding the mixture of 100pts.wt. positive mix and 70pts.wt. electrolyte. The slurry-like positive mix 3 is poured in a zinc can 1 inside which a separator 2 is lined, then the molded positive mix 4 is inserted in the zinc can 1, and a battery is assembled. Thereby, the filling amount of the positive mix is increased and discharge capacity is increased.


Inventors:
TAKANO YOSHIAKI
KUBOTA FUMIHIKO
Application Number:
JP22879584A
Publication Date:
May 26, 1986
Filing Date:
October 29, 1984
Export Citation:
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Assignee:
HITACHI MAXELL
International Classes:
H01M4/06; H01M6/08; (IPC1-7): H01M6/06
Attorney, Agent or Firm:
Miwa Tetsuo



 
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