CN101630744B - Method for electric shock synthesis of graphite bipolar plate of fuel battery - Google Patents
Method for electric shock synthesis of graphite bipolar plate of fuel battery Download PDFInfo
- Publication number
- CN101630744B CN101630744B CN2008100406429A CN200810040642A CN101630744B CN 101630744 B CN101630744 B CN 101630744B CN 2008100406429 A CN2008100406429 A CN 2008100406429A CN 200810040642 A CN200810040642 A CN 200810040642A CN 101630744 B CN101630744 B CN 101630744B
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- graphite
- bipolar plate
- 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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a method for electric shock synthesis of a graphite bipolar plate of a fuel battery, which comprises the following steps: firstly, cutting and forming a flexible graphite material according to the size of the bipolar plate to manufacture a punch die, wherein the geometric drawing of a base plate of the punch die is in accordance with that of the bipolar plate; secondly, putting the flexible graphite plate into a dieing machine to perform stamping so as to form the geometric drawing meeting the requirement; thirdly, adopting a breathable graphite material to position and assemble a plurality of the flexible graphite plates manufactured with different geometric drawings; and fourthly, performing one time of electric shock on the assembled multi-layer flexible graphite plate and the breathable graphite material to obtain the graphite bipolar plate of the fuel battery through a transient short-circuit method under the conditions of the preset voltage, current, pressure and time. The method simplifies the processing technique of the bipolar plate, improves the production efficiency, and greatly reduces the production cost.
Description
Technical field
The present invention relates to a kind of method for electric shock synthesis of graphite bipolar plate of fuel battery.
Background technology
Graphite is good heat-conductivity conducting and insulation material, is widely used in electric furnace and the battery production.Graphite bipolar plate of fuel battery adopts the multilayer graphite material synthetic by electric shock.As shown in Figure 1, graphite cake 1 needs in the tow sides design of graphite cake 1 complicated geometric figure 2 is arranged before making graphite bipolar plate of fuel battery, this complicated geometric figure 2 adopts mechanical engraving to be shaped usually, form by behind the geometric figure 2 of designing requirement at graphite cake 1 tow sides, with the synthetic bipolar plates of multilayer graphite material electric shock.The synthetic method course of processing complexity of this bipolar plates, the material that takes consuming time, cost is very big.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method for electric shock synthesis of graphite bipolar plate of fuel battery, adopts this method to simplify the processing technology of bipolar plates, has improved production efficiency, greatly reduces production cost.
For solving the problems of the technologies described above, the method for electric shock synthesis of graphite bipolar plate of fuel battery of the present invention comprises the steps,
Step 1, press the designing requirement of graphite bipolar plate of fuel battery size, with the flexible graphite material cutting forming, the flexible graphite board size of cutting forming and bipolar plates coupling;
Step 2, press the geometric designing requirement of graphite bipolar plate of fuel battery, make punch die, the geometric figure of described punch die is consistent with the geometric figure of graphite bipolar plate of fuel battery;
Step 5, with the layer flexible graphite cake after the assembly unit and breathable graphite material under voltage, electric current, pressure and the time set, once shock by electricity into graphite bipolar plate of fuel battery by the instantaneous short circuit method.
Because the method for electric shock synthesis of graphite bipolar plate of fuel battery of the present invention has adopted technique scheme, be that geometric figure on the flexible graphite plate of bipolar plates forms by punch die, by breathable graphite material flexible graphite plate is located assembly unit then, utilize the instantaneous short circuit method once to shock by electricity and prepare a complete graphite bipolar plate of fuel battery; This method has been simplified the processing technology of bipolar plates, has improved production efficiency, greatly reduces production cost.
Description of drawings
The present invention is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is the geometric schematic diagram of graphite bipolar plate of fuel battery,
Fig. 2 is the synthetic schematic diagram of graphite bipolar plate of fuel battery of the present invention.
Embodiment
The method for electric shock synthesis of graphite bipolar plate of fuel battery of the present invention comprises the steps,
Step 1, press the designing requirement of graphite bipolar plate of fuel battery size, with the flexible graphite material cutting forming, the flexible graphite board size of cutting forming and bipolar plates coupling;
Step 2, press the geometric designing requirement of graphite bipolar plate of fuel battery, make punch die, the geometric figure of described punch die is consistent with the geometric figure of graphite bipolar plate of fuel battery;
Step 5, as shown in Figure 2 under voltage, electric current, pressure and the time set, once shocks by electricity into graphite bipolar plate of fuel battery by the instantaneous short circuit method with the layer flexible graphite cake 4 after the assembly unit and breathable graphite material 3.Described instantaneous short circuit method is similar to electric welding, looks the size of bipolar plates, and current settings is 20A to 100A, and pressure is set at 1 to 1.2Mpa, and time set is 5 seconds to 15 seconds.
This method forms the geometric figure on the flexible graphite plate of bipolar plates by punch die, by breathable graphite material flexible graphite plate is located assembly unit then, utilizes the instantaneous short circuit method once to shock by electricity and prepares a complete graphite bipolar plate of fuel battery; This method has been simplified the processing technology of bipolar plates, has improved production efficiency, greatly reduces production cost.
Claims (1)
1. the method for electric shock synthesis of a graphite bipolar plate of fuel battery is characterized in that: this method comprises the steps,
Step 1, press the designing requirement of graphite bipolar plate of fuel battery size, with the flexible graphite material cutting forming, the flexible graphite board size of cutting forming and bipolar plates coupling;
Step 2, press the geometric designing requirement of graphite bipolar plate of fuel battery, make punch die, the geometric figure of described punch die is consistent with the geometric figure of graphite bipolar plate of fuel battery;
Step 3, the flexible graphite plate that step 1 is made are inserted the punch die machine and are carried out punching press, form the geometric figure of designing requirement at the flexible graphite plate tow sides;
Step 4, employing breathable graphite material are with the some three different geometric flexible graphite plates location assembly units of making set by step;
Step 5, with the layer flexible graphite cake after the assembly unit and breathable graphite material under voltage, electric current, pressure and the time set, once shock by electricity into graphite bipolar plate of fuel battery by the instantaneous short circuit method, described current settings is 20A to 100A, described pressure is set at 1 to 1.2Mpa, and described time set is 5 seconds to 15 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100406429A CN101630744B (en) | 2008-07-16 | 2008-07-16 | Method for electric shock synthesis of graphite bipolar plate of fuel battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100406429A CN101630744B (en) | 2008-07-16 | 2008-07-16 | Method for electric shock synthesis of graphite bipolar plate of fuel battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101630744A CN101630744A (en) | 2010-01-20 |
| CN101630744B true CN101630744B (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100406429A Expired - Fee Related CN101630744B (en) | 2008-07-16 | 2008-07-16 | Method for electric shock synthesis of graphite bipolar plate of fuel battery |
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| CN (1) | CN101630744B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106887597B (en) * | 2015-12-15 | 2019-06-04 | 中国科学院大连化学物理研究所 | A kind of water transport plate and preparation method thereof of bore diameter gradient distribution |
| CN106654294A (en) * | 2017-01-16 | 2017-05-10 | 中国东方电气集团有限公司 | Bipolar plate, flow battery and flow battery stack |
| CN110783599B (en) * | 2019-10-01 | 2022-01-28 | 深圳市世椿智能装备股份有限公司 | Dispensing method of graphite plate of hydrogen fuel cell |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4339322A (en) * | 1980-04-21 | 1982-07-13 | General Electric Company | Carbon fiber reinforced fluorocarbon-graphite bipolar current collector-separator |
| CN1355573A (en) * | 2001-12-26 | 2002-06-26 | 天津大学 | Composite-layer bipolar plate of polymer-membrane fuel battery and its preparing process |
| CN2552171Y (en) * | 2002-06-07 | 2003-05-21 | 中国科学院上海微系统与信息技术研究所 | Double polar plate structure for proton exchange membrane fuel cell |
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2008
- 2008-07-16 CN CN2008100406429A patent/CN101630744B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4339322A (en) * | 1980-04-21 | 1982-07-13 | General Electric Company | Carbon fiber reinforced fluorocarbon-graphite bipolar current collector-separator |
| CN1355573A (en) * | 2001-12-26 | 2002-06-26 | 天津大学 | Composite-layer bipolar plate of polymer-membrane fuel battery and its preparing process |
| CN2552171Y (en) * | 2002-06-07 | 2003-05-21 | 中国科学院上海微系统与信息技术研究所 | Double polar plate structure for proton exchange membrane fuel cell |
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| CN101630744A (en) | 2010-01-20 |
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Effective date of registration: 20160706 Address after: 212000 No. 168, wisdom Avenue, Zhenjiang, Jiangsu Patentee after: JIANGSU QIANJING NEW ENERGY INDUSTRY TECHNOLOGY RESEARCH INSTITUTE CO.,LTD. Address before: 200040 Shanghai City, Jingan District Yuyuan Road No. 546 Patentee before: LANWAN SCIENCE AND TECHNOLOGY (SHANGHAI) Co.,Ltd. |
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