Bilayer complex proton exchange membrane and membrane electrode assembly

Patent metadata

Field	Value
Publication number	US-9853317-B2
Application number	US-201213674964-A
Country	US
Kind code	B2
Filing date	Nov 13, 2012
Priority date	Jun 29, 2012
Publication date	Dec 26, 2017
Grant date	Dec 26, 2017

Abstract

A bilayer complex proton exchange membrane and a membrane electrode assembly are provided. The bilayer complex proton exchange membrane includes a first complex structure and a second complex structure. The first complex structure includes 0.001-10 wt % of a graphene derivative with two dimension configuration, and 99.999-90 wt % of organic material. The organic material includes polymer material having sulfonic acid group or phosphate group. The second complex structure includes 0.5-30 wt % of inorganic material and 99.5-70 wt % of organic material, wherein a surface area of the inorganic material is 50-3000 m 2 /g, and the organic material includes polymer material with sulfonic acid group or phosphate group.

First claim

What is claimed is:

1. A bilayer complex proton exchange membrane, included in a membrane electrode assembly, consists of:
a first complex structure near an anode of the membrane electrode assembly, comprising:
0.001 wt % to 0.2 wt % of graphene oxide; and 99.999 wt % to 90 wt % of a first organic material that includes a PTFE-PFSA copolymer; and

a second complex structure laminated to the first complex structure, and the second complex structure is near a cathode of the membrane electrode assembly, wherein the second complex structure comprises:
0.5 wt % to 30 wt % of an inorganic material, wherein a surface area of the inorganic material is 50 m 2 /g to 3000 m 2 /g; and
99.5 wt % to 70 wt % of a second organic material that includes a second polymer material with the sulfonic acid group or the phosphate group.

2. The bilayer complex proton exchange membrane of claim 1 , wherein the inorganic material in the second complex structure comprises a carbon material.

3. The bilayer complex proton exchange membrane of claim 2 , wherein the carbon material includes activated carbon, mesoporous carbon nanoshell, nanosheet, nanohorn, amorphous carbon or crystalline carbon.

4. A membrane electrode assembly comprising the bilayer complex proton exchange membrane of claim 3 , the membrane electrode assembly comprising the anode, the bilayer complex proton exchange membrane, and the cathode.

5. A membrane electrode assembly comprising the bilayer complex proton exchange membrane of claim 2 , the membrane electrode assembly comprising the anode, the bilayer complex proton exchange membrane, and the cathode.

6. The bilayer complex proton exchange membrane of claim 1 , wherein the second organic material in the second complex structure comprises perfluorosulphonic acid resin, sulfonated polyether ether ketone (s-PEEK), sulfonated polyimides (s-PI), sulfonated poly (phenylene oxide) (s-PPO), sulfonated poly(arylene ether sulfone) (s-PES), or sulfonated poly (4-phenoxybenzoyl-1,4-phenylene) (s-PPBP).

7. A membrane electrode assembly comprising the bilayer complex proton exchange membrane of claim 6 , the membrane electrode assembly comprising the anode, the bilayer complex proton exchange membrane, and the cathode.

8. The bilayer complex proton exchange membrane of claim 1 , wherein the second organic material in the second complex structure comprises a phosphate doped polybenzimidzole polymer.

9. A membrane electrode assembly comprising the bilayer complex proton exchange membrane of claim 8 , the membrane electrode assembly comprising the anode, the bilayer complex proton exchange membrane, and the cathode.

10. A membrane electrode assembly comprising the bilayer complex proton exchange membrane of claim 1 , the membrane electrode assembly comprising the anode, the bilayer complex proton exchange membrane, and the cathode.

Assignees

• Ind Tech Res Inst

Inventors

• Tsai Li-Duan
• Huang Chiu-Ping
• Huang Li-Fu
• Chen Shih-Wen

Classifications

• H01M8/103

  having nitrogen, e.g. sulfonated polybenzimidazoles [S-PBI], polybenzimidazoles with phosphoric acid, sulfonated polyamides [S-PA] or sulfonated polyphosphazenes [S-PPh] · CPC title

• B82Y30/00

  Nanotechnology for materials or surface science, e.g. nanocomposites · CPC title

• H01M8/1032

  having sulfur, e.g. sulfonated-polyethersulfones [S-PES] · CPC title

• H01M8/1039

  halogenated, e.g. sulfonated polyvinylidene fluorides · CPC title

• H01M8/1025

  having only carbon and oxygen, e.g. polyethers, sulfonated polyetheretherketones [S-PEEK], sulfonated polysaccharides, sulfonated celluloses or sulfonated polyesters · CPC title