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Patent Searching and Data


Title:
BATTERY AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2019/187775
Kind Code:
A1
Abstract:
The purpose of the present disclosure is to suppress the mixing of foreign matter inside a battery due to sputtering, while suppressing the reduction of battery capacity. A battery according to one embodiment of the present disclosure includes an outer can (51) that accommodates an electrode body, the electrode body including a lead connected to a positive electrode or a negative electrode, and the lead having a U-shaped part (18) that has a cross-sectional U shape formed by being folded back. At least part of the portion of the U-shaped part that contacts the outer can (51) is welded to the outer can (51) with a welded part formed by an energy beam irradiated from outside the outer can (51).

Inventors:
HATTORI SADAHIRO
SHIMIZU KAZUMICHI
Application Number:
PCT/JP2019/005858
Publication Date:
October 03, 2019
Filing Date:
February 18, 2019
Export Citation:
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Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H01M50/107; H01M50/566; H01M50/559
Foreign References:
JP2016173972A2016-09-29
JPH0334505A1991-02-14
JP2003151527A2003-05-23
JP2009129553A2009-06-11
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
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