US 12,676,330 B2Granted

High-temperature PEMFC including polymer of intrinsic microporosity preventing phosphoric acid poisoning and method of manufacturing the same

AssigneesHyundai Motor Company, Kia Corporation, Research & Business Foundation SUNGKYUNK UNIVERSITY

InventorsDa Hee Kwak, Jee Youn Hwang, Won Jae Choi, Songi Oh, Sung Hee Shin, Ah Hyeon Park, Ji Hoon Jang, Hyoun Myung Park, Kyung Su Kim, Chang Sik Song

Life of this patent

Estimating the term…

patentgrep

Loading patent…

Abstract

A high-temperature polymer electrolyte membrane fuel cell including a polymer of intrinsic microporosity that prevents phosphoric acid poisoning and a method for manufacturing the same are disclosed. It is possible to improve the electrochemical efficiency of high-temperature polymer electrolyte membrane fuel cells based on development of a polymer of intrinsic microporosity with thermal stability and cationic conductivity.

Claims8

Dependent claims

A fuel cell comprising:

an electrode;
and
an electrolyte membrane,
wherein at least one of the electrode or the electrolyte membrane comprises a polymer of intrinsic microporosity, and
wherein the polymer of intrinsic microporosity is represented by:
wherein n is an integer in a range of 10 to 30.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/087,175Filed 22 Dec 2022
Priority: KR 10-2022-005731510 May 2022
Published: US 2023/0369625 A116 Nov 2023
Granted: 7 Jul 2026
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

H01M 8/103
Characterised by the chemical structure of the main chain of the ion-conducting polymer: having nitrogen, e.g. sulfonated polybenzimidazoles…
H01M 4/8663
Inert electrodes with catalytic activity, e.g. for fuel cells: selection of inactive substances as ingredients for catalytic active masses, e.g.…
H01M 4/8892
Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body: impregnation or…
H01M 8/1088
After-treatment of the membrane other than by polymerisation: chemical modification, e.g. sulfonation