Login| Sign Up| Help| Contact|

Patent Searching and Data

Document Type and Number:
WIPO Patent Application WO/2019/150714
Kind Code:
The present invention addresses the problem of improving the volumetric energy density of a layered cell. A layered cell according to the present invention comprises: an electrode body which comprises a positive electrode and a negative electrode; an electrode tab which is led out from the electrode body; an electrode terminal which is electrically connected to the electrode tab; and an outer case which contains the electrode body and the electrode terminal. This layered cell is characterized by comprising an electrode terminal bonded part in which the electrode tab and the electrode terminal are welded to each other and a sealed part in which the electrode tab, the electrode terminal and the outer case are sealed; and is further characterized in that the electrode tab, the electrode terminal, the outer case and the sealed part are aligned in one cross-section when the stacked cell is viewed from the in-plane direction.

ABE Makoto (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
SEKI Eiji (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
Application Number:
Publication Date:
August 08, 2019
Filing Date:
November 19, 2018
Export Citation:
Click for automatic bibliography generation   Help
HITACHI, LTD. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 〒1008280, JP)
International Classes:
H01M2/26; H01M2/02; H01M2/06; H01M2/30
Foreign References:
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (Atago Green Hills MORI Tower 32F, 5-1 Atago 2-chome, Minato-k, Tokyo 32, 〒1056232, JP)
Download PDF: