Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CATHODE MATERIAL, MANUFACTURING METHOD THEREFOR AND MANGANESE DRY CELL USING SAME
Document Type and Number:
WIPO Patent Application WO/2016/181589
Kind Code:
A1
Abstract:
In a manufacturing method for a cathode material according to the present invention, first, a slurry is prepared by dispersing, in water, solid matter extracted from discarded dry cells that includes a cathode material. After the slurry is water washed, the water washed slurry is filtered to prepare a first solid phase. The first solid phase is added to a sulfuric acid aqueous solution and heated to within a temperature range greater than 60°C and at most 100°C to prepare a mixture. Then the mixture is filtered, a second solid phase is prepared and the second solid phase is dried after water washing.

Inventors:
KOSHIZAWA, Saburo
MUKAI, Yasuo
Application Number:
JP2016/001086
Publication Date:
November 17, 2016
Filing Date:
March 01, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
H01M6/52; B09B3/00; C01G45/02
Domestic Patent References:
2015-03-19
2014-08-28
Foreign References:
US8586218B12013-11-19
JP2007012527A2007-01-18
JPS60255626A1985-12-17
JPH05201733A1993-08-10
JPH02145429A1990-06-04
Attorney, Agent or Firm:
KAMATA, Kenji et al. (1-61, Shiromi 2-chome, Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
Download PDF: