ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,618, issued on July 21, was assigned to ZHEJIANG UNIVERSITY (Hangzhou, China).

"Method for preparing nano-graphene oxide by electrochemically exfoliating carbon fiber material" was invented by Shaoan Cheng (Hangzhou, China) and Longxin Li (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the technical field of nano materials and aims to provide to a method for preparing nano-graphene oxide by electrochemically exfoliating a carbon fiber material. The method includes the following steps: building an electrochemical reaction system by using a raw material with a carbon fiber as a basic structural unit as...