Title:
RECTANGULAR SECONDARY BATTERY AND MANUFACTURING METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2018/155521
Kind Code:
A1
Abstract:
The present invention comprises: rectangular outer packaging (1) that houses an electrode body (3); sealing plates (2) that seal openings in the rectangular outer packaging (1); a first positive electrode tab group (40a) comprising a plurality of positive electrode tabs; a positive electrode terminal attached to the sealing plate (2); second positive electrode collectors(6b) constituting positive electrode collector members electrically connected to the first positive electrode tab group (40a) and the positive electrode terminal; and a second insulating member (63). The second insulating member (63) includes base parts (630a) disposed between the sealing plates (2) and the second positive electrode collectors (6b), and a first wall part (630b) protruding from the base parts (630a) toward the electrode body (3). The first positive electrode tab group (40a) curves and connects at the second positive electrode collector (6b) to an area disposed along the sealing plates (2), and the first wall part (630b) is disposed between the first positive electrode tab group (40a) and the rectangular outer packaging (1).
Inventors:
WAKIMOTO RYOICHI
YAMADA HIROYUKI
YAMADA HIROYUKI
Application Number:
PCT/JP2018/006333
Publication Date:
August 30, 2018
Filing Date:
February 22, 2018
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
International Classes:
H01M10/04; H01M50/176; H01M50/184; H01M50/186; H01M50/553; H01M50/16; H01M50/191; H01M50/536; H01M50/54; H01M50/55; H01M50/562; H01M50/566
Domestic Patent References:
| WO2014003185A1 | 2014-01-03 | |||
| WO2016159099A1 | 2016-10-06 |
Foreign References:
| JP2015041523A | 2015-03-02 | |||
| JP2016219268A | 2016-12-22 |
Attorney, Agent or Firm:
TOKUDA Yoshiaki et al. (JP)
Download PDF: