High-temperature PEMFC including polymer of intrinsic microporosity preventing phosphoric acid poisoning and method of manufacturing the same
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.
1 . 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.
2 . The fuel cell of claim 1 , wherein the electrode comprises:
a catalyst;
an ionomer comprising a phosphoric acid group; and
the polymer of intrinsic microporosity,
wherein the polymer of intrinsic microporosity binds to a surface of the catalyst.
3 . The fuel cell of claim 1 , wherein the electrode comprises:
60 wt. % to 70 wt. % of a catalyst;
10 wt. % to 20 wt. % of an ionomer; and
5 wt. % to 10 wt. % of the polymer of intrinsic microporosity.
4 . A method of manufacturing a fuel cell, the method comprising:
preparing a polymer of intrinsic microporosity;
reacting the polymer of intrinsic microporosity with a tertiary amine; and
producing an electrode and an electrolyte membrane, wherein at least one of the electrode and the electrolyte membrane comprise the polymer of intrinsic microporosity,
wherein the polymer of intrinsic microporosity is represented by:
wherein n is an integer in a range of 10 to 30.
5 . The method of claim 4 , wherein the reacting of the polymer of intrinsic microporosity with the tertiary amine is performed at a temperature in a range of 110° C. to 150° C.
6 . The method of claim 4 , wherein the reacting of the polymer of intrinsic microporosity with the tertiary amine is performed for a period of time in a range of 20 to 30 hours.
7 . The method of claim 4 , wherein the electrode comprises:
a catalyst;
an ionomer comprising a phosphoric acid group; and
the polymer of intrinsic microporosity,
wherein the polymer of intrinsic microporosity binds to a surface of the catalyst.
8 . The method of claim 4 , wherein the electrode comprises:
60 wt. % to 70 wt. % of a catalyst;
10 wt. % to 20 wt. % of an ionomer; and
5 wt. % to 10 wt. % of the polymer of intrinsic microporosity.