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:
May. 20, 2025
Filed:
Jan. 11, 2022
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Prime Planet Energy & Solutions, Inc., Tokyo, JP;
Hiroki Nagai, Ama-gun, JP;
Takaaki Matsui, Toyota, JP;
Takafumi Nose, Nagoya, JP;
Koichiro Isobe, Toyota, JP;
Koji Fujinaga, Kakogawa, JP;
Kouhei Tsuzuki, Kobe, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
PRIME PLANET ENERGY & SOLUTIONS, INC., Tokyo, JP;
Abstract
A battery module includes a pair of secondary batteries disposed adjacent to each other and a spacer disposed between the secondary batteries. Each of the secondary batteries includes a plurality of electrodes each of which has a rectangular shape and is disposed to face each other, a case configured to house the electrodes, the case having a rectangular parallelepiped shape, and an electrolyte in the case. The spacer is made of an elastic body. An aspect ratio of each of the electrodes is 10 or less, and a spring constant of the spacer is 0.03 MPa/mm or more and 5.4 MPa/mm or less.