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:
Feb. 19, 2019
Filed:
Apr. 09, 2014
Mitsubishi Electric Corporation, Chiyoda-ku, JP;
Yuruki Okada, Chiyoda-ku, JP;
Sho Shiraga, Tokyo, JP;
Toshihiro Wada, Chiyoda-ku, JP;
Shoji Yoshioka, Chiyoda-ku, JP;
MITSUBISHI ELECTRIC CORPORATION, Chiyoda-ku, Tokyo, JP;
Abstract
A storage battery deterioration measurement device and a power storage system are provided which measure deterioration in unit batteries included in an assembled battery constituting a storage battery in a shorter time than conventional devices and systems, and which include a control unit to acquire information based on the states of the multiple unit batteries and a deterioration determination unit to detect the unit battery indicating the maximum value among the information acquired by the control unit and the unit battery indicating the minimum value thereamong, and to detect deterioration in the unit batteries on the basis of the difference between a per-predetermined-period variation of information on the unit battery indicating the maximum value and a per-predetermined-period variation of information on the unit battery indicating the minimum value.