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A gas-liquid dual-purpose direct methanol fuel cell

A methanol fuel cell, methanol technology, applied in fuel cells, fuel cell additives, circuits, etc., can solve problems such as insufficient temperature, and achieve the effects of low production cost, high flexibility, and reduced osmotic voltage loss

Active Publication Date: 2020-08-04
NORTHEASTERN UNIV LIAONING
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

On the gaseous side, the liquid methanol is vaporized and supplied to the anode of the methanol fuel cell through the heating and volatilization of the PTC and the volatilization rod. The output voltage and power density of the battery

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  • A gas-liquid dual-purpose direct methanol fuel cell
  • A gas-liquid dual-purpose direct methanol fuel cell
  • A gas-liquid dual-purpose direct methanol fuel cell

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Embodiment Construction

[0025] specific implementation plan

[0026] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0027] Direct methanol fuel cell is a high-efficiency power generation device that directly converts electrochemical reaction energy into electrical energy. When the direct methanol fuel cell is working, the aqueous methanol solution in the anode flow field passes through the diffusion layer through diffusion, reaches the anode catalytic layer, and undergoes oxidation reaction to generate CO 2 Gas, protons and electrons, protons reach the cathode catalytic layer through the proton exchange membrane, and electrons reach the cathode catalytic layer through the external circuit, and the two undergo a reduction reaction with oxygen that reaches the cathode catalytic layer through natural convection to generate the product H 2 O. Among them, the proton exchange membrane in the membrane electrod...

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Abstract

The invention provides a gas-liquid dual-purpose direct methanol fuel cell, which includes a liquid methanol chamber, a liquid vaporization device, and a gaseous methanol chamber. The liquid vaporization device is installed between the liquid methanol chamber and the gaseous methanol chamber. One side is a methanol fuel cell with liquid feed, and the other side is a methanol fuel cell with gaseous feed after liquid vaporization. On the gaseous side, liquid methanol is vaporized and supplied to the anode of the methanol fuel cell by heating and volatilizing the PTC and volatilization rods, which not only solves the problem of insufficient temperature required for direct methanol fuel cells at room temperature, but also reduces methanol penetration loss, which is conducive to improving the efficiency of direct methanol fuel. Battery output voltage and power density. The output of the gas-liquid direct methanol fuel cell can provide voltage for the PTC heating plate to form an adaptive system without the need for additional power.

Description

technical field [0001] The invention belongs to the technical field of direct methanol fuel cells, in particular to a gas-liquid dual-purpose direct methanol fuel cell. Background technique [0002] A fuel cell is an electrochemical power generation device that continuously converts the chemical energy of a continuously supplied fuel and oxidant into electrical energy through an electrochemical reaction. Compared with internal combustion engines, it is not limited by the Carnot cycle, and has high energy conversion efficiency; it is environmentally friendly, hardly emits nitrogen oxides and sulfur oxides, and the emission of carbon dioxide is more than 40% less than that of conventional discharge plants; In other words, the energy density and power density of fuel cells are high, and there is no need to wait for recharging. Due to these outstanding advantages, the research and development of fuel cell technology has attracted the attention of governments and companies in va...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/04082H01M8/04089H01M8/04186H01M8/1011
CPCH01M8/04089H01M8/04186H01M8/04201H01M8/1011Y02E60/50
Inventor 苑振宇任永强郝亚喆成小龙韩二丑
Owner NORTHEASTERN UNIV LIAONING
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