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:
Oct. 06, 2026
Filed:
Jun. 15, 2023
University of Electronic Science and Technology of China, Chengdu, CN;
Yumin Huang, Chengdu, CN;
Miao Wu, Chengdu, CN;
Yifei Shi, Chengdu, CN;
Jun Peng, Chengdu, CN;
Tong Cao, Chengdu, CN;
Linbo Wang, Chengdu, CN;
University of Electronic Science and Technology of China, Chengdu, CN;
Abstract
The present invention discloses a hollow fiber membrane material for a high-humidification hydrogen fuel cell humidifier and a preparation method and application thereof, and belongs to the technical field of fuel cell materials. The present invention provides a hollow fiber membrane material, and the preparation method includes: mixing and dissolving sulfonated polyarylene ether nitrile resin, a pore-forming agent, a modified nano-filler and a solvent for still standing; performing vacuumizing; coagulating a spinning fluid in an internal coagulant bath and an external coagulant bath; and washing and drying an obtained crude product to obtain the hollow fiber membrane material.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile