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Anolyte flow homogeneous catalysis fuel cell and preparation method thereof

A homogeneous catalysis and fuel cell technology, applied in the direction of fuel cells, battery electrodes, circuits, etc., can solve the problem of high cost, achieve good mass transfer, cost saving, strong anti-pollution and poisoning effects

Active Publication Date: 2019-11-05
深圳市暗流科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] PEMFC (Proton Exchange Membrane Fuel Cell) whose anode fuel is gaseous hydrogen. Both sides of the membrane electrode of this type of cell are loaded with catalysts, which belongs to heterogeneous catalysis, and because there are noble metal catalysts on both sides of the membrane electrode, the cost is high

Method used

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  • Anolyte flow homogeneous catalysis fuel cell and preparation method thereof
  • Anolyte flow homogeneous catalysis fuel cell and preparation method thereof
  • Anolyte flow homogeneous catalysis fuel cell and preparation method thereof

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Embodiment 1

[0030] see figure 2 , this embodiment provides an anode liquid flow homogeneous catalytic fuel cell, including a bipolar plate structure, the bipolar plate structure includes an anode plate 1, a cathode plate 3 and a Between the membrane electrodes 2. image 3 It is a schematic structural view of the membrane electrode 2, the membrane electrode 2 includes an anode 21, a proton exchange membrane 22, a catalyst layer 23 and a cathode 24 stacked in sequence along the direction from the anode plate 1 to the cathode plate 3, the anode 21 The material is hydrophilic, and may be hydrophilic graphite felt or hydrophilic carbon felt in some preferred embodiments, and the cathode 24 is hydrophobic carbon paper; the anode liquid flow homogeneous catalytic fuel cell is located at the bifold One side of the anode plate of the plate structure has a fuel reaction chamber for containing the anolyte, the anolyte 4 includes fuel, acid and catalyst, and the fuel is biomass material. The anode...

Embodiment 2

[0038] A fuel cell is provided in embodiment 2, which is the same as in embodiment 1, except that the membrane electrode includes: the anode is a hydrophilic carbon paper, the cathode is a hydrophobic carbon paper supporting a catalyst, the middle is a proton exchange membrane, and the anode And the cathode carbon paper forms a membrane electrode by hot pressing and a proton exchange membrane.

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Abstract

The invention discloses an anolyte flow homogeneous catalysis fuel cell and a preparation method thereof. The fuel cell comprises a bipolar plate structure, and the bipolar plate structure comprises an anode plate, a cathode plate, and a membrane electrode located between the anode plate and the cathode plate. The membrane electrode comprises an anode, a proton exchange membrane, a catalyst layerand a cathode, which are sequentially arranged in a stacked mode in the direction from the anode plate to the cathode plate. The anode is made of hydrophilic materials, and the cathode is made of hydrophobic carbon paper. The fuel cell is provided with a fuel reaction chamber for containing anolyte at one side of the anode plate with the double-folded-plate structure, and the anolyte comprises fuel, acid and a catalyst, wherein the fuel is a biomass material. A homogeneous catalysis mode is adopted, so the anti-pollution and anti-poisoning capacity is high, the use amount of a membrane electrode noble metal catalyst is small, and the cost is saved.

Description

technical field [0001] The invention relates to the field of batteries, in particular to an anode liquid flow homogeneous catalytic fuel cell and a preparation method thereof. Background technique [0002] A fuel cell is a device that converts chemical energy stored in fuel and oxidant directly into electrical energy. Compared with other fuel cells, the exchange membrane fuel cell has the characteristics of lower operating temperature, faster start-up, high energy conversion efficiency, simple structure, wide fuel source, and zero pollution of emissions. It can be used in vehicle power supplies and portable power supplies. , communication base station backup / emergency power supply, etc. Currently the most in-depth research is hydrogen fuel cells, such as figure 1 As shown, hydrogen reaches the anode through the gas flow field on the anode side, passes through the gas diffusion layer to the anode catalyst layer, and undergoes an adsorption-desorption reaction with the catal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/1004H01M8/22
CPCH01M8/1004H01M8/22H01M2004/8684H01M2004/8694Y02E60/50
Inventor 廖晓聪徐帆胡军
Owner 深圳市暗流科技有限公司
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