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Circular direct methanol fuel battery set with high performance and low cost

A fuel cell stack, low-cost technology, applied in fuel cell grouping, fuel cells, fuel cell components, etc., can solve problems such as no battery stack, and achieve the effects of low manufacturing cost, high performance, and large heat dissipation area

Inactive Publication Date: 2008-12-24
STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of battery has many disadvantages, the most important one is that the power density of the battery is only 10mW / cm 2 , and there is no report of making it into a battery pack, and it is only limited to making it into a miniature battery

Method used

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  • Circular direct methanol fuel battery set with high performance and low cost
  • Circular direct methanol fuel battery set with high performance and low cost
  • Circular direct methanol fuel battery set with high performance and low cost

Examples

Experimental program
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Effect test

Embodiment Construction

[0022] A high-performance, low-cost circular direct methanol fuel cell stack, the size of which is the same as that of No. 1 dry cell or No. 2 dry cell. An air chamber 4, an air chamber 5 between the shell and the outer membrane electrode, a battery liquid chamber 6 between the inner and outer membrane electrodes, and insulating sealing rings 7, 8, 9 arranged at both ends of the membrane electrodes, and at the cathode end of the battery pack The cathode output part 10 and the anode output part 11 are respectively arranged at the anode end, and the water guide and gas barrier film 12 is arranged outside the anode output part, and the water collector 13 is arranged outside the water guide and gas barrier film 12, and the battery liquid chamber is arranged on the cathode output part The connected one-way valve (composed of valve bottom 14, valve core 15, valve body 16, and spring 17) is provided with a blowdown screw device connected to the battery liquid chamber on the cathode ou...

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PUM

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Abstract

The invention discloses a high-performance low-cost round direct methanol fuel battery pack, which comprises a casing. An outer membrane electrode and an inner membrane electrode are disposed in the casing. An air chamber is in the inner membrane electrode, an air chamber is between the casing and the outer membrane electrode, and a battery electrolyte chamber is between the inner membrane electrode and the outer membrane electrode. The insulating sealing rings are disposed at two ends of the membrane electrodes. A cathode output member and an anode output member are respectively disposed at the cathode terminal and the anode terminal of the battery pack. A water-guide air-blocking membrane is disposed on the outer side of the anode output member. A water collector is disposed on the outer side of the water-guide air-blocking membrane. A one-way valve communicating with the battery electrolyte chamber and a blow-down bolt device are disposed on the cathode output member. The battery pack has the advantages of reasonable structure and good operation performance.

Description

Technical field: [0001] The invention relates to a direct methanol fuel cell group. Background technique: [0002] Direct methanol fuel cell (Direct Methanol Fuel Cell, DMFC) directly uses liquid methanol as fuel. Except for the extremely simple methanol storage, no additional devices are needed. Methanol fuel is easy to carry and replace, and it is very convenient to use. Therefore, in the past 10 years, The development and application of DMFC technology is developing rapidly. Many universities, research institutes and major companies at home and abroad have spent huge manpower and material resources on DMFC research and development. The focus of the research is to reduce the cost of DMFC, improve the performance of DMFC, and be suitable for commercial use. [0003] DMFC with a circular structure has unique advantages when used as a power battery for portable electric devices and a household power supply. In the research of circular DMFC, there are research reports abroad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/24H01M8/02H01M4/86H01M2/02H01M8/06H01M8/1011
CPCY02E60/50
Inventor 倪红军汪兴兴朱昱廖萍黄明宇汤东周一丹
Owner STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH
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