Title:
CYLINDRICAL BATTERY AND MANUFACTURING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2022/181383
Kind Code:
A1
Abstract:
A cylindrical battery (10) comprises: an outer can (16) having a bottomed cylinder shape; an electrode body (14) that is accommodated inside the outer can (16), and in which an elongated positive electrode (11) and an elongated negative electrode (12) having different polarities from each other are wound with a separator (13) interposed therebetween; a metal plate (19) that is disposed between the electrode body (14) and a bottom part (68) of the outer can (16); and a plurality of negative electrode lead parts (21) that extend from the negative electrode (12) towards the bottom part (68). A tip part (21a) of each negative electrode lead part (21) is sandwiched between the metal plate (19) and the bottom part (68), and is electrically connected to the bottom part (68).
Inventors:
HARAGUCHI SHIN
OKUTANI OOSE
OKIMOTO RYOTA
OKUTANI OOSE
OKIMOTO RYOTA
Application Number:
PCT/JP2022/005823
Publication Date:
September 01, 2022
Filing Date:
February 15, 2022
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H01M10/04; H01M50/107; H01M50/534; H01M50/538; H01M50/545; H01M50/548; H01M50/566; H01M50/586
Domestic Patent References:
| WO2019004039A1 | 2019-01-03 |
Foreign References:
| JP2019160751A | 2019-09-19 | |||
| JP2002270148A | 2002-09-20 | |||
| JP2001148238A | 2001-05-29 | |||
| JP2001126708A | 2001-05-11 |
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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