US 12,191,503 B2
Fibrous electrode material, preparation and application thereof
Suli Wang, Liaoning (CN); Zhangxun Xia, Liaoning (CN); and Gongquan Sun, Liaoning (CN)
Assigned to Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Liaoning (CN)
Appl. No. 17/595,033
Filed by DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES, Liaoning (CN)
PCT Filed Dec. 16, 2019, PCT No. PCT/CN2019/125655
§ 371(c)(1), (2) Date Nov. 5, 2021,
PCT Pub. No. WO2021/114317, PCT Pub. Date Jun. 17, 2021.
Claims priority of application No. 201911258188.9 (CN), filed on Dec. 10, 2019; and application No. 201911259321.2 (CN), filed on Dec. 10, 2019.
Prior Publication US 2022/0246945 A1, Aug. 4, 2022
Int. Cl. H01M 4/86 (2006.01); D01D 5/00 (2006.01); D01F 9/08 (2006.01); H01M 4/88 (2006.01); H01M 4/92 (2006.01); H01M 8/1018 (2016.01)
CPC H01M 4/8626 (2013.01) [D01D 5/0015 (2013.01); D01F 9/08 (2013.01); H01M 4/8825 (2013.01); H01M 4/921 (2013.01); H01M 8/1018 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A fibrous electrode material, comprising: an active electrocatalytic material, polymer fibers, an oxide material, and an organophosphorus acid,
wherein the polymer fibers are interwoven to form a carrier, the oxide material is affixed to the carrier and forms a porous structure, and the organophosphorus acid is affixed to the carrier, and
the active electrocatalytic material is deposited on the porous structure of the oxide material affixed to the carrier,
wherein the porous structure of the oxide material has a pore size ranging from 1 nm to 50 nm and a porosity of 40 to 60%, and the active electrocatalytic material is in form of nanoparticles having a diameter of 2-10 nm.