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. 10, 2022
Filed:
Dec. 18, 2019
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A battery capacity estimation method includes first to third steps. The first step involves obtaining information about a Nyquist plot by a predetermined AC-IR measurement. The second step involves obtaining image data of a Nyquist diagram that is obtained when the AC-IR measurement is performed at a predetermined first temperature, based on the information about the Nyquist plot obtained in the first step and on an ambient temperature at which the AC-IR measurement is performed in the first step. The third step involves inputting the image data of the Nyquist diagram obtained in the second step to an input layer of a pre-trained neural network model, to obtain a battery capacity estimate value of a battery to be measured.