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:
Sep. 12, 2023
Filed:
Oct. 16, 2019
Nihon Kagaku Sangyo Co., Ltd., Tokyo, JP;
University of Yamanashi, Kofu, JP;
Chisato Arata, Tokyo, JP;
Hajime Kashima, Tokyo, JP;
Katsuyoshi Kakinuma, Kofu, JP;
Makoto Uchida, Kofu, JP;
Akihiro Iiyama, Kofu, JP;
Nihon Kagaku Sangyo, Co, Ltd., Tokyo, JP;
University of Yamanishi, Yamanashi, JP;
Abstract
A support powder can improve cell performance under high humidity environment. A support and metal catalyst, including: a support powder; and metal fine particles supported on the support powder; wherein: the support powder is an aggregate of support fine particles; the support fine particles are fine particles of oxide compound and has a chained portion structured by a plurality of crystallites being fusion bonded to form a chain; the crystallites have a size of 10 to 30 nm; the support powder has a void; the void includes a secondary pore having a pore diameter of more than 25 nm and 80 nm or less determined by BJH method; and a volume of the secondary pore per unit volume of the support fine particles structuring the support powder is 0.313 cm/cmor more, is provided.