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:
Nov. 14, 2017
Filed:
Jul. 24, 2015
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Yuki Kato, Gotenba, JP;
Takamasa Ohtomo, Susono, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
Provided is an all solid state battery system with a high energy density. The all solid state battery system comprises an all solid state battery, and a discharging control unit that controls discharging of the all solid state battery, a cathode active material layer contains a cathode active material particle, and a sulfide solid electrolyte particle, and a ratio (T/t) of an actual thickness 'T' of the cathode active material layer to an effective thickness 't' of the cathode active material layer which is calculated by the following Expression satisfies a relationship of 0.01≦T/t≦0.15;(in which, V represents an operation voltage width (V), i represents a current density (mA/cm) during discharging, and κ' represents effective Li ion conductivity (S/cm) of the cathode active material layer).