Title:
SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2018/179885
Kind Code:
A1
Abstract:
According to the present invention, a positive electrode is provided with: a positive electrode collector; a positive electrode active material layer which contains a positive electrode active material that is configured from a lithium transition metal oxide; a protective layer which is arranged between the positive electrode collector and the positive electrode active material layer; and a positive electrode tab which is bonded with the positive electrode collector at a positive electrode tab bonding part where the positive electrode active material layer and the protective layer are not formed so that the positive electrode collector is exposed. An end edge of the positive electrode active material layer facing the positive electrode tab and an end edge of the protective layer facing the positive electrode tab are arranged in different positions in the longitudinal direction of the positive electrode.
Inventors:
SHIOZAKI TOMOKI
FURUSAWA DAISUKE
OURA YUJI
TAKAHASHI TAKAHIRO
NAKAYAMA TAKAHITO
TAKEZAWA HIDEHARU
FURUSAWA DAISUKE
OURA YUJI
TAKAHASHI TAKAHIRO
NAKAYAMA TAKAHITO
TAKEZAWA HIDEHARU
Application Number:
PCT/JP2018/004363
Publication Date:
October 04, 2018
Filing Date:
February 08, 2018
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M4/131; H01M10/052; H01M10/0587; H01M50/528; H01M50/536
Foreign References:
| JP2016127000A | 2016-07-11 | |||
| JP2016219255A | 2016-12-22 | |||
| JP2014089856A | 2014-05-15 | |||
| JP2016122628A | 2016-07-07 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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