US 11,862,830 B2
Membrane electrode assembly with high-efficiency water and heat management for direct ethanol fuel cell, and fabrication method therefor
Dong Tang, Jiangsu (CN); Guoliang Xu, Jiangsu (CN); Yubin Han, Jiangsu (CN); Shengyao Shi, Jiangsu (CN); and Yang Xiao, Jiangsu (CN)
Assigned to Jiangsu University, Jiangsu (CN)
Appl. No. 17/795,537
Filed by JIANGSU UNIVERSITY, Jiangsu (CN)
PCT Filed Aug. 25, 2021, PCT No. PCT/CN2021/114561
§ 371(c)(1), (2) Date Jul. 27, 2022,
PCT Pub. No. WO2023/004909, PCT Pub. Date Feb. 2, 2023.
Claims priority of application No. 202110871428.3 (CN), filed on Jul. 30, 2021.
Prior Publication US 2023/0197992 A1, Jun. 22, 2023
Int. Cl. H01M 8/1004 (2016.01); H01M 4/88 (2006.01); H01M 8/1011 (2016.01)
CPC H01M 8/1004 (2013.01) [H01M 4/881 (2013.01); H01M 4/8807 (2013.01); H01M 4/8828 (2013.01); H01M 4/8882 (2013.01); H01M 8/1011 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A membrane electrode assembly with high-efficiency water and heat management for a direct ethanol fuel cell (DEFC), comprising an anode, a cathode, and a proton-exchange membrane,
wherein the anode is composed of an anode diffusion layer and an anode catalyst layer, and the cathode is composed of a cathode diffusion layer and a cathode catalyst layer,
the cathode catalyst layer is of a convex and ordered design with a convex curvature radius R1 of 0.2 mm to 0.3 mm and a convex angle θ of 40° to 60°, and
the anode catalyst layer is of a concave and ordered design with a concave curvature radius R2 of 0.2 mm to 0.3 mm and a concave angle α of 30° to 45°.