Title:
HIGH-OUTPUT-POWER FUEL CELL AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/116939
Kind Code:
A1
Abstract:
The present invention provides a high-output-power fuel cell and a preparation method therefor. A gas diffusion layer of a proton exchange membrane fuel cell not only provides a drainage function, but also has an effect on the capability of maintaining discharge of water in a catalyst layer and diffusion of a gas to the catalyst layer; there may be the problem of cell performance degradation under a high current density. In the present invention, silane modified carbon powder, an adhesive, and a dispersing agent are mixed to obtain a microporous layer slurry; and then the microporous layer slurry is compounded with a conductive substrate and drying is carried out, thereby obtaining the gas diffusion layer. The gas diffusion layer has excellent hydrophobic performance and good drainage performance, and in particular improves diffusion of the gas to the catalyst reaction layer, so that a higher current density and higher voltage can be achieved, and the output power of the fuel cell under the high current density is increased.
More Like This:
Inventors:
YANG RUIZHI (CN)
GU TIANYI (CN)
ZHANG QIAN (CN)
GU TIANYI (CN)
ZHANG QIAN (CN)
Application Number:
PCT/CN2022/143913
Publication Date:
June 29, 2023
Filing Date:
December 30, 2022
Export Citation:
Assignee:
UNIV SOOCHOW (CN)
International Classes:
H01M4/88; H01M4/86; H01M8/00
Foreign References:
| CN114361479A | 2022-04-15 | |||
| CN110444769A | 2019-11-12 | |||
| DE102019217882A1 | 2021-05-20 | |||
| CN106784943A | 2017-05-31 |
Other References:
GU TIANYI, ZHANG QIAN, SHI RUHUA, YAN JIN, GUO JIE, QIAN WEI, ZHAI BOWEN, ZHOU MINGZHENG, CHAI MAORONG, YANG RUIZHI: "Superhydrophobic Carbon Functionalized by Chemical Grafting of Fluoroalkylsilane Enables an Efficient Microporous Layer for Proton-Exchange Membrane Fuel Cells", ACS SUSTAINABLE CHEMISTRY & ENGINEERING, vol. 10, no. 46, 21 November 2022 (2022-11-21), US , pages 15243 - 15249, XP093074320, ISSN: 2168-0485, DOI: 10.1021/acssuschemeng.2c04941
ZHANG QIAN, GU TIANYI, SHI RUHUA, YAN JIN, WANG WEI, QIAN WEI, ZHAI BOWEN, ZHOU MINGZHENG, CHAI MAORONG, YANG RUIZHI: "Silane-functionalized carbon with super-hydrophobicity advancing microporous layer for proton exchange membrane fuel cells", JOURNAL OF POWER SOURCES, vol. 555, 30 January 2023 (2023-01-30), AMSTERDAM, NL, pages 1 - 7, XP093074321, ISSN: 0378-7753, DOI: 10.1016/j.jpowsour.2022.232342
ZHANG QIAN, GU TIANYI, SHI RUHUA, YAN JIN, WANG WEI, QIAN WEI, ZHAI BOWEN, ZHOU MINGZHENG, CHAI MAORONG, YANG RUIZHI: "Silane-functionalized carbon with super-hydrophobicity advancing microporous layer for proton exchange membrane fuel cells", JOURNAL OF POWER SOURCES, vol. 555, 30 January 2023 (2023-01-30), AMSTERDAM, NL, pages 1 - 7, XP093074321, ISSN: 0378-7753, DOI: 10.1016/j.jpowsour.2022.232342
Attorney, Agent or Firm:
SUZHOU CREATOR PATENT AND TRADEMARK AGENCY, LTD (CN)
Download PDF: