CN104360271B - Flow-field plate and method of testing for the different flow field fuel cells of an assembling test - Google Patents
Flow-field plate and method of testing for the different flow field fuel cells of an assembling test Download PDFInfo
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- CN104360271B CN104360271B CN201410576759.4A CN201410576759A CN104360271B CN 104360271 B CN104360271 B CN 104360271B CN 201410576759 A CN201410576759 A CN 201410576759A CN 104360271 B CN104360271 B CN 104360271B
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Abstract
The present invention relates to a kind of method of testing that different flow field fuel cells are realized based on same flow-field plate.The present invention simply and easily realizes the mutual conversion of three kinds of different flow fields fuel cells by a kind of flow-passage-changeable formula new flow field plate of designed, designed.The flow-field plate is made up of multiple horizontally and vertically runners, there is Node Switch on runner, control the conducting or closing of this runner, by the on off state for changing node on different runners, the fuel cell in three kinds of different flow fields, the fuel cell without assembling different flow fields respectively every time can be achieved.The present invention just can carry out the test of different flow field fuel cells through once assembling, it ensure that the uniformity of outside batteries and interior condition, i.e. can be under an identical cell membrane electrode assemblies, by way of experiment, the research and optimization of system, unified three kinds of different flow fields fuel battery performances of completion.
Description
Technical field
The present invention relates to the flow-field plate for the different flow field fuel cells of an assembling test and its to different flow field fuel
The method of testing of battery, more particularly to a kind of method of testing that different flow field fuel cells are realized based on same flow-field plate.
Background technology
Fuel cell technology for power generation is 21 century preferred clean power technology, it is expected to alleviate existing energy development and ring
The contradictory problems of border pollution, it is to avoid air pollution and haze weather.National " 12 " planning is classified as the field of giving priority to,
National Program for Medium-to Long-term Scientific and Technological Development is classified as cutting edge technology.
One of focus of fuel cell is the research to fuel battery performance, and the flow-field plate of fuel cell has become and carried
One key factor of high battery performance and cost performance, and be also current researcher focus of attention, flow field structure is straight
The performance of influence fuel cell is connect, and then influences its commercialized application prospect.
In these three parallel, snakelike to fuel cell and interdigital different Flow Field Performance researchs, traditional experiment is substantially
Using different flow fields, different batteries are assembled respectively and are tested.The one of outside batteries input variable can only so be ensured
Cause property, such as temperature, pressure, humidity.But every time after assembling, the parameter of inside battery has changed, such as MEA（Film electricity
Pole component）Interior catalyst distribution, the deformation of film, impedance and ECA（Electrochemical activation area）Deng.The change of inside battery parameter,
The result directly contributed is：Experiment condition draws different results outside possible different scientific research personnel, identical.Must so having
Convection current field structure is wanted to be furtherd investigate and optimized.Important technological problems to be solved by this invention exactly system, unified
The performance of parallel, the snakelike flow field fuel cells different with interdigital three kinds of research, theoretical foundation is provided for fuel battery flow field design,
To optimize flow field structure, fuel battery performance is improved.
The content of the invention
The main object of the present invention is to provide a kind of test side that different flow field fuel cells are realized based on same flow-field plate
Method.
The purpose of the present invention is achieved through the following technical solutions：Different flow field fuel electricity are realized based on same flow-field plate
The method of testing in pond, includes a kind of flow-passage-changeable formula flow-field plate of designed, designed, the flow-field plate is by multiple horizontally and vertically runners
There is Node Switch on composition, runner, control the conducting or closing of this runner.Can be by changing Node Switch on different runners
State, realizes parallel, the snakelike fuel cell mutually changed with interdigital three kinds of different flow fields.
The method of testing that different flow field fuel cells are realized based on same flow-field plate of the present invention, during experiment, is utilized
VersaSTAT3 tests polarization curve, electrochemical impedance spectroscopy (EIS) and the cyclic voltammetric (CV) of three kinds of different flow fields fuel cells
Curve, polarization curve data input Origin softwares, is drawn, analyzing activated loss, ohmic loss and concentration difference loss
Situation.
The present invention compared with prior art, has the following advantages that：
1st, the method for testing that different flow field fuel cells are realized based on same flow-field plate of the invention, it is only necessary to by changing
The on and off of node on different runners, you can realize the mutual conversion of three kinds of different flow fields fuel cells, without
To assemble the fuel cell in different flow fields respectively every time, it is simple to operate.
2nd, the method for testing that different flow field fuel cells are realized based on same flow-field plate of the invention, just may be used through once assembling
Different flow field fuel cells are tested based on same flow-field plate, it is ensured that the uniformity of outside batteries and interior condition,
I.e. can be under an identical battery, by way of experiment, system, unified three kinds of different flow fields fuel of completion
The research and optimization of battery performance.
Brief description of the drawings
The structural representation of Fig. 1 flow-passage-changeable formula flow-field plates used in the present invention.
The prototype figure of Fig. 2 flow-passage-changeable formula flow-field plates used in the present invention.
Fig. 3 is transformed into parallel flow field figure for present invention flow-passage-changeable formula flow-field plate used.
Fig. 4 is transformed into serpentine flow field figure for present invention flow-passage-changeable formula flow-field plate used.
Fig. 5 is transformed into interdigital flow field figure for present invention flow-passage-changeable formula flow-field plate used.
Embodiment
Preferred embodiment for the present invention and detailed technology content, it is as follows referring now to illustrating, but the guarantor of the present invention
Shield scope is not limited by specific embodiment, is defined by claims.In addition, with without prejudice to the premise of technical solution of the present invention
Under, any modifications or changes that those of ordinary skill in the art that the present invention is done easily realize are fallen within the power of the present invention
Within sharp claimed range.
Embodiment 1
Referring to Fig. 2 and Fig. 3, it shows that the present invention realizes the method for testing of different flow field fuel cells based on same flow-field plate
During work, by changing the state of Node Switch on different runners, the fuel cell in different flow fields is realized.Closed node 3,6,9,
12,15,18, remaining node is all turned on, and present invention flow-passage-changeable formula flow-field plate used is to be transformed into parallel flow field.Based on the flow field
Plate is tested parallel flow field fuel cell：During experiment, three kinds of different flow fields fuel cells of VersaSTAT3 tests are utilized
Polarization curve, electrochemical impedance spectroscopy (EIS) and cyclic voltammetric (CV) curve, polarization curve data input Origin softwares, enter
Row is drawn, the situation of analyzing activated loss, ohmic loss and concentration difference loss.
Embodiment 2
Referring to Fig. 2 and Fig. 4, the difference with embodiment 1 is, turns on node 1,3,6,9,12,15,18,20, remaining node
All close, present invention flow-passage-changeable formula flow-field plate used is to be transformed into serpentine flow.The other the same as in Example 1, will not be repeated here.
Embodiment 3
Referring to Fig. 2 and Fig. 5, the difference with embodiment 1 is, conducting node Isosorbide-5-Nitrae, 7,10,13,16,19, remaining node is all
Close, present invention flow-passage-changeable formula flow-field plate used is to be transformed into interdigital flow field.The other the same as in Example 1, will not be repeated here.
Claims (7)
1. for the flow-field plate of the different flow field fuel cells of assembling test, described flow-field plate be a kind of designed, designed can
Variable flow channel type flow-field plate, the flow-field plate is made up of multiple horizontally and vertically runners, and Node Switch, Ke Yitong are respectively equipped with runner
The state for changing Node Switch on different runners is crossed, parallel, the snakelike fuel mutually changed with interdigital three kinds of different flow fields is realized
Battery.
2. it is used for the flow-field plate of the different flow field fuel cells of an assembling test as claimed in claim 1, it is characterised in that institute
The runner for stating flow-field plate is provided with Node Switch I（1）-- Node Switch X（20）, closed node switch III（3）, Node Switch VI
（6）, Node Switch Ⅸ（9）, Node Switch II（12）, Node Switch V（15）, Node Switch VIII（18）, remaining node all leads
Logical, its flow-field plate is transformed into parallel flow field.
3. it is used for the flow-field plate of the different flow field fuel cells of an assembling test as claimed in claim 1, it is characterised in that institute
The runner for stating flow-field plate is provided with Node Switch I（1）-- Node Switch X（20）, turn on Node Switch I（1）, Node Switch III
（3）, Node Switch VI（6）, Node Switch Ⅸ（9）, Node Switch II（12）, Node Switch V（15）, Node Switch VIII（18）、
Node Switch X（20）, remaining node all closes, and flow-field plate is transformed into serpentine flow.
4. it is used for the flow-field plate of the different flow field fuel cells of an assembling test as claimed in claim 1, it is characterised in that institute
The runner for stating flow-field plate is provided with Node Switch I（1）-- Node Switch X（20）, turn on Node Switch I（1）, Node Switch IV
（4）, Node Switch VII（7）, Node Switch Ⅹ（10）, Node Switch III（13）, Node Switch VI（16）, Node Switch IV
（19）, remaining node all closes, and flow-field plate is transformed into interdigital flow field.
5. the method for testing of the flow-field plate of the different flow field fuel cells of an assembling test as claimed in claim 1, its feature
Including following testing procedure：
Using the flow-passage-changeable formula new flow field plate of the designed, designed, a fuel cell is assembled；
By changing the on and off of node on different runners, parallel, snakelike flow field phase different with interdigital three kinds is realized
The fuel cell mutually changed；
During experiment, polarization curve, the electrochemical impedance spectroscopy (EIS) of three kinds of different flow fields fuel cells are tested using VersaSTAT3
With cyclic voltammetric (CV) curve, polarization curve data input Origin softwares, drawn, analyzing activated loss, resistance are damaged
The situation of concentration difference of becoming estranged loss.
6. method of testing according to claim 5, it is characterised in that just can be realized based on same flow-field plate pair through once assembling
Different flow field fuel cells are tested.
7. method of testing according to claim 5, it is characterised in that test process ensure that outside batteries and interior condition
Uniformity, you can it is system, unified by way of experiment with an identical cell membrane electrode assemblies
Complete the research and optimization of three kinds of different flow fields fuel battery performances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410576759.4A CN104360271B (en) | 2014-10-24 | 2014-10-24 | Flow-field plate and method of testing for the different flow field fuel cells of an assembling test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410576759.4A CN104360271B (en) | 2014-10-24 | 2014-10-24 | Flow-field plate and method of testing for the different flow field fuel cells of an assembling test |
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| Publication Number | Publication Date |
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| CN104360271A CN104360271A (en) | 2015-02-18 |
| CN104360271B true CN104360271B (en) | 2017-08-15 |
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| CN201410576759.4A Expired - Fee Related CN104360271B (en) | 2014-10-24 | 2014-10-24 | Flow-field plate and method of testing for the different flow field fuel cells of an assembling test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114094135B (en) * | 2021-10-10 | 2023-06-09 | 北京工业大学 | Liquid water self-adaptive flow field plate of fuel cell capable of automatically switching parallel flow field and serpentine flow field |
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| CN1519969A (en) * | 2003-01-20 | 2004-08-11 | 松下电器产业株式会社 | Fuel cell and its operation method |
| CN2682258Y (en) * | 2003-10-31 | 2005-03-02 | 韩国Aoc株式会社 | Three-way switching valve having seal plate |
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| CN103022517A (en) * | 2012-12-28 | 2013-04-03 | 江苏大学 | Matching type forming method and device of fuel battery metal flow field plate |
| CN204302459U (en) * | 2014-10-24 | 2015-04-29 | 沈阳建筑大学 | For the flow-field plate of an assembling test different flow fields fuel cell |
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2014
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| DE10226331A1 (en) * | 2002-06-07 | 2003-12-18 | Fuelcon Ag | Fuel cell testing method for determining cell dynamic behavior characteristics, whereby fuel cell output values are measured as the fuel supply is modulated using vibration exciters whose frequency is controlled |
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| CN2682258Y (en) * | 2003-10-31 | 2005-03-02 | 韩国Aoc株式会社 | Three-way switching valve having seal plate |
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| CN104360271A (en) | 2015-02-18 |
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