Proton exchange membrane fuel cell

Patent metadata

Field	Value
Publication number	US-2017288242-A1
Application number	US-201715444176-A
Country	US
Kind code	A1
Filing date	Feb 27, 2017
Priority date	Mar 31, 2016
Publication date	Oct 5, 2017
Grant date	—

Abstract

The disclosure relates to a proton exchange membrane fuel cell. The fuel cell includes: a container, wherein the container includes a reacting room, a fuel room connected to the reacting room through a fuel inputting hole, a fuel inputting door located on the fuel inputting hole, a waste collecting room connected to the reacting room through a waste outputting hole, a waste outputting door located on the waste outputting hole; a membrane electrode assembly located in the reacting room, wherein the membrane electrode assembly device defines a bellows and a pipe connected to the bellows and extending out of the reacting room, the reacting room is divided into a first electrode space outside the bellows and a second electrode space inside the bellows, the volume of the first electrode space and the second electrode space can be changed by deforming the bellows.

First claim

What is claimed is:

1 . A proton exchange membrane fuel cell, comprising:
a reacting room; a fuel room in communication with the reacting room through a fuel inputting hole; a fuel inputting door located on the fuel inputting hole; a waste room in communication with the reacting room through a waste outputting hole; a waste outputting door located on the waste outputting hole; and a membrane electrode assembly device located in the reacting room, wherein the membrane electrode assembly device defines a bellows and a pipe connected to the bellows and extending out of the reacting room, the reacting room is divided into a first electrode space outside the bellows and a second electrode space inside the bellows, volumes of the first electrode space and the second electrode space can be changed by deforming the bellows.

2 . The proton exchange membrane fuel cell of claim 1 , wherein the membrane electrode assembly device comprises a hollow supporting structure and a membrane electrode assembly located on the hollow supporting structure.

3 . The proton exchange membrane fuel cell of claim 2 , wherein the hollow supporting structure defines the bellows and the pipe.

4 . The proton exchange membrane fuel cell of claim 3 , wherein the hollow supporting structure defines a plurality of first through holes on a first wall of the bellows; and the membrane electrode assembly covers the plurality of first through holes.

5 . The proton exchange membrane fuel cell of claim 4 , wherein the hollow supporting structure further defines a plurality of second through holes on a second wall of the pipe; and the membrane electrode assembly further covers the plurality of second through holes.

6 . The proton exchange membrane fuel cell of claim 2 , wherein the membrane electrode assembly is located on an inner surface of the hollow supporting structure.

7 . The proton exchange membrane fuel cell of claim 2 , wherein the membrane electrode assembly is located on an outer surface of the hollow supporting structure.

8 . The proton exchange membrane fuel cell of claim 2 , wherein the membrane electrode assembly comprises an anode current collector, an anode electrode, a proton exchange membrane, a cathode electrode, and a cathode current collector.

9 . The proton exchange membrane fuel cell of claim 1 , wherein the membrane electrode assembly device further comprises a gasket ring used to seal the first electrode space.

10 . The proton exchange membrane fuel cell of claim 1 , further comprising an oxygen room and a gas inputting door, wherein the oxygen room is in communication with the second electrode space through a gas inputting hole and the gas inputting door is located on the gas inputting hole.

11 . The proton exchange membrane fuel cell of claim 10 , further comprising a gas outputting door located on one end of the pipe that is outside of the reacting room, and the pipe is only used to exhaust waste gas.

12 . A proton exchange membrane fuel cell, comprising:
a container, wherein the container comprises:
an annular internal wall, wherein a reacting room is defined by the annular internal wall;
an annular external wall surrounding the annular internal wall, wherein a storage room is defined between the annular internal wall and the annular external wall and divided into a fuel room and a waste room, the fuel room is in communication with the reacting room through a fuel inputting hole, and the waste room is in communication with the reacting room through a waste outputting hole;
a bottom wall connecting the annular internal wall and the annular external wall;
a top wall connecting the annular internal wall and the annular external wall, wherein a gas exchange hole is defined on the top wall;
a fuel inputting door located on the fuel inputting hole; and
a waste outputting door located on the waste outputting hole; and
a membrane electrode assembly device located in the reacting room, wherein the membrane electrode assembly device defines a bellows and a pipe connected to the bellows and extending out of the reacting room, the reacting room is divided into a first electrode space outside the bellows and a second electrode space inside the bellows, volumes of the first electrode space and the second electrode space can be changed by deforming the bellows.

13 . The proton exchange membrane fuel cell of claim 12 , wherein the membrane electrode assembly device comprises a hollow supporting structure and a membrane electrode assembly located on the hollow supporting structure; and the hollow supporting structure defines the bellows and the pipe.

14 . The proton exchange membrane fuel cell of claim 13 , wherein the hollow supporting structure defines a plurality of first through holes on a first wall of the bellows; and the membrane electrode assembly covers the plurality of first through holes.

15 . The proton exchange membrane fuel cell of claim 14 , wherein the hollow supporting structure further defines a plurality of second through holes on a second wall of the pipe; and
the membrane electrode assembly further covers the plurality of second through holes.

16 . The proton exchange membrane fuel cell of claim 13 , wherein the membrane electrode assembly is located on an inner surface of the hollow supporting structure.

17 . The proton exchange membrane fuel cell of claim 13 , wherein the membrane electrode assembly is located on an outer surface of the hollow supporting structure.

18 . The proton exchange membrane fuel cell of claim 13 , wherein the membrane electrode assembly comprises an anode current collector, an anode electrode, a proton exchange membrane, a cathode electrode, and a cathode current collector.

19 . The proton exchange membrane fuel cell of claim 13 , wherein the membrane electrode assembly device further comprises a gasket ring used to seal the first electrode space.

20 . The proton exchange membrane fuel cell of claim 12 , further comprising an oxygen room and a gas inputting door, wherein the oxygen room is in communication with the second electrode space through a gas inputting hole and the gas inputting door is located on the gas inputting hole.

Assignees

• Univ Tsinghua
• Hon Hai Prec Ind Co Ltd

Inventors

• Zhang Li-Na
• Jiang Kai-Li
• Fan Shou-Shan

Classifications

• H01M2008/1095

  Fuel cells with polymeric electrolytes · CPC title

• H01M8/16

  Biochemical fuel cells, i.e. cells in which microorganisms function as catalysts · CPC title

• H01M8/04201 Primary

  Reactant storage and supply, e.g. means for feeding, pipes · CPC title

• H01M4/926

  on carbon or graphite · CPC title

• H01M8/04231

  Purging of the reactants · CPC title