CN100377399C - Hydrogen air fuel battery MEA microwave hot-press method and device - Google Patents
Hydrogen air fuel battery MEA microwave hot-press method and device Download PDFInfo
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- CN100377399C CN100377399C CNB2005100318316A CN200510031831A CN100377399C CN 100377399 C CN100377399 C CN 100377399C CN B2005100318316 A CNB2005100318316 A CN B2005100318316A CN 200510031831 A CN200510031831 A CN 200510031831A CN 100377399 C CN100377399 C CN 100377399C
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- microwave
- mea
- membrane electrode
- air fuel
- fuel battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The present invention discloses a hydrogen air fuel battery MEA microwave hot-press method and a device. The hot-press method of the present invention comprises the following steps that 1) multiple groups of MEA are laminated in a square frame; 2) a pressure device is arranged on the MEA at the uppermost layer; 3) the pressure device exerts pressure on multiple groups of MEA; 4) multiple groups of MEA are heated by a microwave. In the present invention, the MEA after laminated by multiple layers is pressurized by the characteristic that mediums, such as carbon fibers, platinum, Nafion resin, etc. in the MEA can absorb the microwave to generate heat quantity; the MEA is heated by the microwave after being pressurized to set pressure so that the MEA is hot pressed to form integration. In the method, 10 to 50 groups of MEA can be laminated at one step. The present invention has the advantages of homogeneous heating, high speed, short heating time and less electricity consumption.
Description
Technical field
The present invention relates to a kind of hydrogen air fuel battery MEA microwave hot-press method and device.
Background technology
MEA is that membrane electrode " three-in-one " assembly is the critical component of battery, and it is to be formed by hydrogen electrode, proton exchange membrane, oxygen electrode stack back hot pressing.Traditional method is that the membrane electrode that closed assembly is good is clipped in two corrosion resistant plates, sends into that hot pressing forms in the resistance furnace.This external-heat heating, equipment cost is low, but work efficiency is too low, and quality be cannot say for sure to be unsuitable for industrialization production by card.
Summary of the invention
The purpose of this invention is to provide a kind of hydrogen air fuel battery MEA microwave hot-press method, the shortcoming that work efficiency is low when producing membrane electrode to overcome existing external-heat heating, quality is unstable, can not industrialization produce.
Another object of the present invention provides a kind of hydrogen air fuel battery MEA microwave hot-press device.
For realizing above-mentioned purpose, this hydrogen air fuel battery MEA microwave hot-press method may further comprise the steps:
1) will organize the membrane electrode stack more and place a square frame;
2) on the membrane electrode of the superiors, pressure apparatus is set;
3) pressure apparatus applies the pressure of 6 ~ 10Mpa to many groups membrane electrode;
4) with microwave many groups membrane electrode is heated, heating-up temperature is 130 ~ 135 ℃.
A kind of hydrogen air fuel battery MEA microwave hot-press device, comprise fixed mount, be provided with square frame in the described fixed mount, square frame and fixed mount base plate constitute barrel-like structure, be provided with the membrane electrode of many group stacks in the square frame, the microwave antenna plate is set on the membrane electrode of the superiors, the microwave antenna plate links to each other with the output of microwave generator, establish cross-over block on the microwave antenna plate, cross-over block is provided with pressure apparatus.
In the above-mentioned hydrogen air fuel battery MEA microwave hot-press device, described pressure apparatus is a hydraulic jack.
In the above-mentioned hydrogen air fuel battery MEA microwave hot-press device, have an aperture on the fixed mount base plate of described square frame below, be provided with infrared radiation thermometer in the aperture.
In the above-mentioned hydrogen air fuel battery MEA microwave hot-press device, described cross-over block is the anti-microwave leakage piece.
In the above-mentioned hydrogen air fuel battery MEA microwave hot-press device, described microwave antenna plate is a corrosion resistant plate.
Beneficial effect of the present invention: the present invention utilizes media such as carbon fiber in the membrane electrode, platinum, Nafion resin to absorb microwave and the characteristics of generating heat, the later membrane electrode of multilayer stack is pressurizeed, after being added to the pressure of setting, heat with microwave, it is as a whole that membrane electrode hot pressing is formed.The present invention utilizes hot-press method to produce membrane electrode, once can laminate 10 ~ 50 groups of membrane electrodes, has homogeneous heating, speed is fast, warm-up time is short, electricity consumption is few advantage, can carry out industrialization production, enhances productivity.
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a structure chart of the present invention.
The structure chart of microwave generator among Fig. 2 the present invention.
Embodiment
As shown in Figure 1, hydrogen-air fuel cell membrane electrode microwave hot-press device of the present invention comprises fixed mount 1, and fixed mount 1 is the planer-type steel framework, and the pressure of 10Mpa should be able to be born in the center that its A, B are 2.Be provided with square frame 5 in the fixed mount 1, square frame 5 constitutes barrel-like structure with fixed mount 1 base plate, be provided with the membrane electrode 6 of many group stacks in the square frame 5, stainless microwave antenna plate 4 is set on the membrane electrode of the superiors, microwave antenna plate 4 links to each other with the output of microwave generator, establish cross-over block 3 on the microwave antenna plate 4, the effect of cross-over block 3 is to prevent microwave leakage, cross-over block 3 is provided with hydraulic jack 2, be provided with pressure sensor 11 between cross-over block 3 and the hydraulic jack 2, have an aperture on the fixed mount base plate of square frame 5 belows, be provided with infrared radiation thermometer 7 in the aperture.Whole device, except that establishing in the front the cleaning door, its excess-three face and upper and lower be sealing all, and microwave is carried out electromagnetic shielding, and shell is ground connection reliably.
The closed assembly of Fig. 1 membrane electrode 6.The polytetrafluoroethylene square frame of dress membrane electrode, the circular hole of a ∮ 15mm will be opened in its bottom, make the peephole of infrared radiation thermometer, the same circular hole that also will open a ∮ 15mm at the 0.5mm of bottom polytetrafluoroethylene spacer center, the order of closed assembly is the bottom, thick 0.5mm polytetrafluoroethylene spacer---membrane electrode---the polytetrafluoroethylene spacer that 0.3mm is thick---membrane electrode---the polytetrafluoroethylene spacer---membrane electrode---that 0.3mm is thick ... one behind the membrane electrode number that configures, and also adorns the polytetrafluoroethylene spacer of a slice 0.5mm at top layer.
Fig. 2 is the structure chart of microwave generator among the present invention, and the 220V alternating current is received voltage regulator 9 behind time controller 8, and the power supply of magnetron 10 is provided after rectification output.Adopt the controllable silicon accurate voltage regulating, supply with the voltage of magnetron with change, and then change its frequency of oscillation and power output.The effect of time controller 8 mainly is the conduction time of control magnetron, and then the heating time of controlling diaphragm electrode.
The hot pressing of membrane electrode is as follows: with the membrane electrode closed assembly in square frame 5, it is the thick polytetrafluoroethylene partition of 0.5mm in proper order---membrane electrode---the thick polytetrafluoroethylene partition of 0.3mm---membrane electrode---0.3mm polytetrafluoroethylene partition---membrane electrode ..., last layer is a 0.5mm polytetrafluoroethylene partition.Shut cleaning door, with hydraulic jack pressurization 6 ~ 9Mpa, opening power, the setting-up time controller heats membrane electrode with microwave, and heating and temperature control is at 130 ~ 135 ℃, hot pressing got final product about 1 minute, and how much its time generally can be adjusted according to membrane electrode stack.
The present invention uses the microwave-medium heating, is can absorb the medium of microwave, as heating such as carbon, PT, simultaneously the pressurization, hot pressing forms, and is a kind of synthesis by internal resistance electric melting.Its feature is a homogeneous heating, and speed is fast, and warm-up time is short, and 10 ~ 50 membrane electrodes that at every turn can pressurize simultaneously are suitable for industrialization production, and little power consumption, expense are low.
Claims (7)
1. hydrogen air fuel battery MEA microwave hot-press method may further comprise the steps:
1) will organize the membrane electrode stack more and place a square frame;
2) on the membrane electrode of the superiors, pressure apparatus is set;
3) pressure apparatus applies the pressure of 6 ~ 10Mpa to many groups membrane electrode;
4) with microwave many groups membrane electrode is heated, heating-up temperature is 130 ~ 135 ℃.
2. hydrogen-air fuel cell membrane electrode microwave hot-press method according to claim 1 is characterized in that: described many group membrane electrodes are to superpose in the following manner: the thick polytetrafluoroethylene partition of 0.5mm---membrane electrode---the thick polytetrafluoroethylene partition of 0.3mm---membrane electrode---0.3mm polytetrafluoroethylene partition---membrane electrode
Last layer is a 0.5mm polytetrafluoroethylene partition.
3. hydrogen air fuel battery MEA microwave hot-press device, comprise fixed mount, it is characterized in that: be provided with square frame in the fixed mount, square frame and fixed mount base plate constitute barrel-like structure, be provided with the membrane electrode of many group stacks in the square frame, the microwave antenna plate is set on the membrane electrode of the superiors, the microwave antenna plate links to each other with the output of microwave generator, establish cross-over block on the microwave antenna plate, cross-over block is provided with pressure apparatus.
4. hydrogen air fuel battery MEA microwave hot-press device according to claim 5 is characterized in that: described pressure apparatus is a hydraulic jack.
5. hydrogen air fuel battery MEA microwave hot-press device according to claim 5 is characterized in that: have an aperture on the fixed mount base plate of described square frame below, be provided with infrared radiation thermometer in the aperture.
6. hydrogen air fuel battery MEA microwave hot-press device according to claim 5 is characterized in that: cross-over block is the anti-microwave leakage piece.
7. hydrogen air fuel battery MEA microwave hot-press device according to claim 5 is characterized in that: described microwave antenna plate is a corrosion resistant plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100318316A CN100377399C (en) | 2005-07-08 | 2005-07-08 | Hydrogen air fuel battery MEA microwave hot-press method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100318316A CN100377399C (en) | 2005-07-08 | 2005-07-08 | Hydrogen air fuel battery MEA microwave hot-press method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1725535A CN1725535A (en) | 2006-01-25 |
| CN100377399C true CN100377399C (en) | 2008-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100318316A Expired - Fee Related CN100377399C (en) | 2005-07-08 | 2005-07-08 | Hydrogen air fuel battery MEA microwave hot-press method and device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103840135B (en) * | 2014-03-27 | 2016-05-04 | 合肥国轩高科动力能源有限公司 | A kind of preparation method of lithium titanate material membrane electrode |
| CN114181240B (en) * | 2021-12-28 | 2023-09-22 | 山东海科创新研究院有限公司 | Preparation method of lithium bis (oxalato) borate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6146716A (en) * | 1998-06-26 | 2000-11-14 | Sri International | Conservatively printed displays and methods relating to same |
| US6168885B1 (en) * | 1998-08-21 | 2001-01-02 | Sri International | Fabrication of electrodes and devices containing electrodes |
| JP2004124159A (en) * | 2002-10-01 | 2004-04-22 | Gifu Prefecture | Method and apparatus for manufacturing metal sintered compact, metal sintered compact, and hydrogen storage material using it |
| CN1551389A (en) * | 2003-05-07 | 2004-12-01 | Nec������ʽ���� | Membrane electrode assembly,and its preparation method and solid polymer fuel cell |
| CN1591940A (en) * | 2003-09-02 | 2005-03-09 | 中国科学院大连化学物理研究所 | Direct alcohol fuel cell diaphragm electrode structure and preparing process |
-
2005
- 2005-07-08 CN CNB2005100318316A patent/CN100377399C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6146716A (en) * | 1998-06-26 | 2000-11-14 | Sri International | Conservatively printed displays and methods relating to same |
| US6168885B1 (en) * | 1998-08-21 | 2001-01-02 | Sri International | Fabrication of electrodes and devices containing electrodes |
| JP2004124159A (en) * | 2002-10-01 | 2004-04-22 | Gifu Prefecture | Method and apparatus for manufacturing metal sintered compact, metal sintered compact, and hydrogen storage material using it |
| CN1551389A (en) * | 2003-05-07 | 2004-12-01 | Nec������ʽ���� | Membrane electrode assembly,and its preparation method and solid polymer fuel cell |
| CN1591940A (en) * | 2003-09-02 | 2005-03-09 | 中国科学院大连化学物理研究所 | Direct alcohol fuel cell diaphragm electrode structure and preparing process |
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| Publication number | Publication date |
|---|---|
| CN1725535A (en) | 2006-01-25 |
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Owner name: HUNAN FENGRI POWER ELECTRICAL CO., LTD. Free format text: FORMER OWNER: CHANGSHA RIFENG ELECTRICAL GROUP CO., LTD. Effective date: 20100622 |
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Free format text: CORRECT: ADDRESS; FROM: 410331 INDUSTRY PARK, LIUYANG CITY,HUNAN PROVINCE TO: 410331 FENGRI ELECTRICAL (GROUP) CO., LTD., INDUSTRY PARK, LIUYANG CITY, HUNAN PROVINCE |
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Effective date of registration: 20100622 Address after: 410331 Liuyang City Industrial Park, Hunan Province, Japan electric group Limited by Share Ltd Patentee after: Hu'nan Fengri Power and Electric Co., Ltd. Address before: 410331 Liuyang Industrial Park, Hunan Patentee before: Fengri Electric Group Co., Ltd., Changsha |
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Granted publication date: 20080326 Termination date: 20130708 |