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Title:
NICKEL-PLATED, HEAT-TREATED STEEL SHEET FOR BATTERY CANS
Document Type and Number:
WIPO Patent Application WO/2017/094921
Kind Code:
A1
Abstract:
Provided is a nickel-plated, heat-treated steel sheet (1) for battery cans having a 4.4-26.7 g/m2 nickel layer upon a steel sheet (11) and being characterized by the difference (D2 - D1) between a depth (D1) at which the Fe strength indicates a first prescribed value and a depth (D2) at which the Ni strength indicates a second prescribed value being less than 0.04 µm, when the Fe strength and the Ni strength are continuously measured from the surface of the nickel-plated, heat-treated steel sheet for battery cans, in the depth direction, by using a high-frequency glow discharge emission spectrophotometer.

Inventors:
SADAKI, Kota (LTD. Technical Research Laboratory 1296-1, Higashitoyoi, Kudamatsu-sh, Yamaguchi 11, 〒7448611, JP)
YOSHIOKA, Koh (LTD. Technical Research Laboratory 1296-1, Higashitoyoi, Kudamatsu-sh, Yamaguchi 11, 〒7448611, JP)
Application Number:
JP2016/086121
Publication Date:
June 08, 2017
Filing Date:
December 05, 2016
Export Citation:
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Assignee:
TOYO KOHAN CO., LTD. (2-12, Yonban-cho Chiyoda-k, Tokyo 47, 〒1028447, JP)
International Classes:
C25D5/50; C25D5/26; C25D7/00; H01M2/02
Domestic Patent References:
WO2003098718A12003-11-27
Foreign References:
JP2006093095A2006-04-06
JP2013170308A2013-09-02
JP2014009401A2014-01-20
Other References:
See also references of EP 3385412A4
Attorney, Agent or Firm:
TOKOSHIE PATENT FIRM (Nishishinjuku KN Bldg, 22-27 Nishishinjuku 7-chome, Shinjuku-k, Tokyo 23, 〒1600023, JP)
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