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Patent Searching and Data


Title:
LEAD FOR BATTERIES AND WOUND BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/142723
Kind Code:
A1
Abstract:
This wound battery is provided with: a battery case which has an opening; an electrode group; an electrolyte; a cover body which closes up the opening of the battery case; and a gasket which insulates the battery case and the cover body from each other. A first electrode and the cover body are connected to each other by a first collector lead; and a second electrode and the battery case are connected to each other by a second collector lead. One end of the first collector lead is connected to the first electrode; while the other end thereof is led out from the opening-side end face of the electrode group and is connected to the inner side of the cover body. One end of the second collector lead is connected to the second electrode; while the other end thereof is led out from the opening-side end face of the electrode group and is connected to the inner surface of the opening-side lateral wall of the battery case. The second collector lead contains at least one of stainless steel and nickel, while having an elongation at break of 15% or more.

Inventors:
SUEHIRO YUKI
MIURA TERUHISA
Application Number:
JP2017/041411
Publication Date:
August 09, 2018
Filing Date:
November 17, 2017
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M2/26; H01M10/04
Domestic Patent References:
WO2012111061A12012-08-23
WO2017002420A12017-01-05
Foreign References:
JP2014220129A2014-11-20
JP2004259547A2004-09-16
US20100178559A12010-07-15
JP2017054775A2017-03-16
JP2013519213A2013-05-23
JP2011204405A2011-10-13
Other References:
"Encyclopedia of metallic materials", 2000, ISBN: 4-88282-541-4, article "C-3557", pages: 995
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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