Direct alcohol fuel cell electrode with internal flow field
A fuel cell electrode and internal flow field technology, applied in the direction of fuel cells, battery electrodes, fuel cell components, etc., can solve the problems affecting battery discharge performance, uneven fuel distribution, low electrolyte concentration, etc., and improve battery performance. , Improve the conductivity, the effect of uniform concentration distribution
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[0017] The present invention will be further described in detail below with reference to specific embodiments, and what is described is an explanation rather than a limitation to the present invention.
[0018] See figure 1 , The present invention includes an external flow field 1, a diffusion layer 2, a catalytic layer 3, and a diaphragm 6 arranged in sequence from the outside to the inside, and an internal flow field 5 is provided between the catalytic layer 3 and the diaphragm 6; the internal flow field 5 is provided with a fuel inlet 4; the external flow field 1 is provided with a waste liquid outlet 7.
[0019] The preferred structure of the inner flow field 5 is a serpentine flow channel structure, and the structure of the outer flow field 1 is the same as the inner flow field serpentine flow channel structure, and is arranged in mirror symmetry; the fuel inlet 4 is opened at the top of the inner flow field 5; The waste liquid outlet 7 is opened at the end of the outer flow f...
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