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. 11, 2025
Filed:
Aug. 18, 2021
Crrc Academy Corporation Limited, Beijing, CN;
Zhongzheng Pei, Beijing, CN;
Xiaohui Zhang, Beijing, CN;
Baishan Liu, Beijing, CN;
Juncai Liang, Beijing, CN;
Yaojun Li, Beijing, CN;
Weisan Yang, Beijing, CN;
Qiang Chen, Beijing, CN;
Yalun Wang, Beijing, CN;
Bangcheng Sun, Beijing, CN;
Ming Gong, Beijing, CN;
CRRC ACADEMY CORPORATION LIMITED, Beijing, CN;
Abstract
The present invention relates to a composite material for improving metal conductivity and a method of preparing the same. The composite material includes a composite of n A-B-A structures, where A is a graphene fragment layer, B is a metal foil layer, and n is an integer greater than or equal to 2; and the graphene fragment layer includes graphene fragments uniformly laid flat on the metal foil layer. The conductivity of the conventional metal material is increased by at least 18%, and the conductivity of the conventional metal material in a bending state remains almost the same as in a normal state.