Patent ID: 9350028
Filing Date: 2016-05-24
CPC Classification: B82Y,H01M,Y02E,Y10S

Claim Text:
1. A membrane electrode assembly comprising: a proton exchange membrane comprising a first surface and a second surface; a first electrode, located on the first surface, comprising a first catalyst layer and a first diffusion layer in contact with each other, wherein the first catalyst layer is located between the first surface and the first diffusion layer; and a second electrode, located on the second surface, comprising a second catalyst layer and a second diffusion layer in contact with each other, wherein the second catalyst layer is located between the second surface and the second diffusion layer; wherein at least one of the first diffusion layer and the second diffusion layer comprises a carbon nanotube structure which is a planar structure comprising a plurality of carbon nanotube wires located side by side, crossed, or weaved together to form the carbon nanotube structure, and each of the plurality of carbon nanotube wires comprises a plurality of carbon nanotubes aligned around an axis of each of the plurality of carbon nanotube wires in a helix.