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:
Aug. 31, 2021
Filed:
Nov. 06, 2019
Hiroyuki Arai, Toyota, JP;
Yasuaki Kodama, Seto, JP;
Masayuki Nagasawa, Shizuoka, JP;
Yoshimichi Umehara, Shizuoka, JP;
Yoichiro Yoshii, Shizuoka, JP;
Yu Sasaki, Shizuoka, JP;
Hiroyuki Arai, Toyota, JP;
Yasuaki Kodama, Seto, JP;
Masayuki Nagasawa, Shizuoka, JP;
Yoshimichi Umehara, Shizuoka, JP;
Yoichiro Yoshii, Shizuoka, JP;
Yu Sasaki, Shizuoka, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
The present disclosure provides a battery coolant for an electric vehicle that has a low conductivity, a low ion elution performance, a low viscosity at a very low temperature, and a cooling performance equivalent to that of an aqueous coolant composition in a driving temperature range. The present disclosure relates to a battery coolant for an electric vehicle containing at least one kind of carbonates selected from the group consisting of propylene carbonate and butylene carbonate in an amount of 90 mass % or more with respect to a total mass of the coolant and water in an amount of 3 mass % or less with respect to the total mass of the coolant.