The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 19, 2022
Filed:
Sep. 24, 2019
Taiyo Yuden Co., Ltd., Tokyo, JP;
Katsunori Yokoshima, Takasaki, JP;
Hiroto Mori, Takasaki, JP;
TAIYO YUDEN CO., LTD., Tokyo, JP;
Abstract
An electrochemical device includes: an electricity storage device that includes a positive electrode, a negative electrode, a separator, and a plurality of lead plates electrically connected to the positive electrode or the negative electrode, the positive electrode and the negative electrode being stacked via the separator and wound; a connection plate having a first surface on a side of the electricity storage device and a second surface opposite to the first surface, the plurality of lead plates being stacked and welded to the first surface; a rupture disc connected to the second surface of the connection plate; and an insulator that abuts on a first area that is an outer peripheral area of the second surface and insulates the connection plate and the rupture disc from each other, the plurality of lead plates being welded to a second area opposite to the first area of the first surface.