Energy storage-driven material separation and transmission direct methanol fuel cell and its working method

Abstract

The invention discloses an energy storage driving material separation and transmission direct methanol fuel cell and a working method thereof. A methanol delivery pipeline and a carbon dioxide flow path are separately arranged. Carbon dioxide of an anode product is generated and then is directly discharged through the carbon dioxide flow path, which reduces the mixing of the carbon dioxide and a methanol steam, improves the utilization rate of the methanol steam, and facilitates the collection and the utilization of the carbon dioxide. After being generated, the methanol steam directly entersinto a film electrode to participate in a reaction so as to reduce extra power consumption. The heat exchange amount of a methanol working area and an evaporation area and a carbon dioxide emission amount are accurately controlled to further acquire the methanol steam with a constant flow which participates in a cell reaction, and then the working efficiency and the stability of the methanol fuelcell are improved.

Description

technical field [0001] The invention relates to the technical field of fuel cells, in particular to an energy storage-driven material separation and transmission direct methanol fuel cell and a working method thereof. Background technique [0002] Direct methanol fuel cell (DMFC) is considered to be one of the most promising mobile power sources for electronic products due to its simple structure, normal temperature operation, high system volume specific energy, and convenient fuel storage and transportation. It has broad application prospects in the fields of transportation, national defense, etc., so it has become a hot research topic for many scholars at home and abroad. [0003] The electrode and cell reactions of a direct methanol fuel cell are as follows: [0004] The anode reaction is CH 3 OH+H 2 0→6H + +6e - +CO 2 [0005] The cathode reaction is 3 / 2O 2 +6H + +6e - →3H 2 o [0006] The total reaction of the battery is CH 3 OH+3 / 2O 2 →2H 2 O+CO 2 [0...

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Problems solved by technology

[0010] In order to overcome the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a direct methanol fuel cell and its working method for accurate, efficient, stable operation and continuous output of energy storage driven material separation and transmission, which solves the problem of uneven concentration of methanol vapor and methanol reaction. Insufficient, methanol and carbon dioxide blending problems, improve operating efficiency

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