Title:
BATTERY AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2017/141296
Kind Code:
A1
Abstract:
This battery is provided with: an electrode group having a first electrode, a second electrode, and a separator interposed between the first electrode and the second electrode; a container which has a first terminal part electrically connected with the first electrode and a second terminal part electrically connected with the second electrode, and houses the electrode group and an electrolyte; and an elongated first lead which is welded to the first terminal part and used for electrically connecting the first terminal part and an external apparatus. The first lead has a first welding mark on a welding part welded with the first terminal part. The first welding mark has a first portion having a curved shape protruding toward a first side where the first lead is electrically connected with the external apparatus; or has a first portion which has a linear section extending in the width direction of the first lead and a curved section that is curved from both ends of the linear section toward a second side opposite to the first side.
Inventors:
MASUMURA TAKUMI
YAMASHITAFUJI TOSHIO
YAMASHITAFUJI TOSHIO
Application Number:
PCT/JP2016/005141
Publication Date:
August 24, 2017
Filing Date:
December 15, 2016
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B23K26/067; B23K26/21; H01M50/534; H01M50/548; H01M50/559; H01M50/566
Domestic Patent References:
| WO2011016200A1 | 2011-02-10 |
Foreign References:
| JP2005243451A | 2005-09-08 | |||
| JP2012043714A | 2012-03-01 | |||
| JP2003272604A | 2003-09-26 | |||
| JPH09174266A | 1997-07-08 | |||
| JP2000000683A | 2000-01-07 |
Attorney, Agent or Firm:
KAMATA, Kenji et al. (JP)
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