CN109786789A - A kind of test method of fuel cell membrane electrode activation method and polarization curve - Google Patents
A kind of test method of fuel cell membrane electrode activation method and polarization curve Download PDFInfo
- Publication number
- CN109786789A CN109786789A CN201811613344.4A CN201811613344A CN109786789A CN 109786789 A CN109786789 A CN 109786789A CN 201811613344 A CN201811613344 A CN 201811613344A CN 109786789 A CN109786789 A CN 109786789A
- Authority
- CN
- China
- Prior art keywords
- fuel cell
- membrane electrode
- cell membrane
- electric current
- activation method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
The invention discloses the test methods of a kind of fuel cell membrane electrode activation method and polarization curve, the fuel cell membrane electrode activation method, include the following steps: S1: fuel cell being connected and is loaded, and hydrogen is passed through to fuel battery negative pole, it is 65-75 DEG C that anode, which is passed through combustion-supporting gas and controls its running temperature, when monolithic fuel cell open-circuit voltage rises to 0.9-1V, repeat the continuously enforceable output electric current for improving the fuel cell, and reduce its output voltage, make the smallest output voltage control of monolithic fuel cell in 0.2V-0.5V, and after keeping 5-10min, the output electric current of the fuel cell is set as 0A operation, until when the fuel battery performance is no longer in rising trend, fuel cell is shut down into 1-5min；S2: repeating step S1 until the fuel cell completes activation when the fuel cell activates completely and reaches peak performance.Its entire activation process only needs 1-4 hour, and its is easy to operate.
Description
Technical field
The invention belongs to the tests of fuel cell field more particularly to fuel cell membrane electrode activation method and polarization curve
Method.
Background technique
Its discharging efficiency could maximize the electrode of fuel cell after activation, at present the electrode activation time of fuel cell
And its testing time of polarization curve is longer, and step is complicated, to seriously affect the factory efficiency of fuel cell.
Summary of the invention
In order to solve the above-mentioned technical problem, one of the objects of the present invention is to provide a kind of simple fuel cell membranes of step
Electrode activation methods include the following steps:
S1: fuel cell is connected and is loaded, and is passed through hydrogen to fuel battery negative pole, anode is passed through combustion-supporting gas and control
Under the service condition that its running temperature is 65-75 DEG C, when monolithic fuel cell open-circuit voltage rises to 0.9-1V, repeat continuously
The enforceable output electric current for improving the fuel cell, and its output voltage is reduced, make the smallest output of monolithic fuel cell
Voltage is controlled in 0.2V-0.5V, and after keeping 5-10min, and the output electric current of the fuel cell is set as 0A operation, until
When the fuel cell output power is no longer in rising trend, fuel cell is shut down into 1-5min；
S2: repeating said steps S1 no longer rises up to the output power of fuel cell in front and back twice the step S1
When, the fuel cell completes activation.
Wherein, it is preferred that the hydrogen is pure hydrogen, and operating pressure 0-80kPa, metering is than being 1.5.
Wherein, it is preferred that the combustion-supporting gas is the air after drying, and operating pressure 0-70kPa, measuring ratio is
2.5。
Wherein, it is preferred that the hydrogen and the combustion-supporting gas are 50% humidification.
Compared with prior art, the beneficial effect is that, entire activation process only needs 1-4 hour, and it is operated
Convenient, activation efficiency is high.
The second object of the present invention is to provide a kind of test side of simple fuel cell membrane electrode polarization curve of step
Method includes the following steps:
X1: fuel cell is activated according to activation method according to any one of claims 1-4；
X2: will be through the step X1 treated fuel cell under service condition identical with the step S1, to list
When piece fuel cell open circuit voltage rises to 0.9-1V, its initial output electric current is set as 0A, it is then close according to preset electric current
Its output electric current that outputs current to that degree increment value successively improves the fuel cell reaches maximum value, and protects in each be incremented by
Its constant current discharge 1-3min is held, while recording it and corresponding to its voltage value；
X3: it will be sequentially reduced through the step X2 treated fuel cell according to preset current density decrement value described
Fuel cell outputs current to it and outputs current to open circuit, and keeps its constant current discharge 1-3min when successively decreasing every time, together
When record it and correspond to its voltage value, wherein preset current density decrement value is absolute with preset current density increment value
It is worth equal；
X4: fuel cell membrane electrode will be made in all voltage values recorded in the step X2 and the step X3
Polarization curve.
Wherein, it is preferred that the preset current density increment value is 50-100mA/cm2。
Compared with prior art, the beneficial effect is that: its step is simple, and time of entire polarization test is 0.5-1.5
Hour, the time shortens dramatically, while can efficiently obtain the performance of fuel cell.
Detailed description of the invention
Fig. 1 be described in the present embodiment 1 before activation of fuel cell with the performance comparison figure after activation.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment 1
Using water-cooling type hydrogen fuel cell as research object, for cell operating temperature at 65 DEG C -75 DEG C, fuel gas is pure
Hydrogen, operating pressure 0-80kPa, metering is than being 1.5；Combustion-supporting gas is the air by being dried, operating pressure 0-
70kPa, than being 2.5, pure hydrogen and air are 50% humidification (referring to that humidity is 50% in pure hydrogen and air), hydrogen for metering
Last row loop structure can be used or often arrange mode.
Wherein, metering is than being the ratio between actual flow and theoretical flow, as the metering of pure hydrogen is purer than referring to for 1.5
The actual flow of hydrogen is 1.5 times of theoretical flow.
S1: after monolithic or multi-disc fuel cell membrane electrode are conventionally fabricated to battery, load, sun are connected
Pole and cathode with peak point current when corresponding demand volume each lead into hydrogen and air, risen to monocell open-circuit voltage
When 0.9-1V, the continuously enforceable output electric current for improving the fuel cell is repeated, and reduce its output voltage, make monolithic
The smallest output voltage control of fuel cell is kept after 5-10min in 0.2V-0.5V by the output electric current of the fuel cell
It is set as 0A operation, until fuel cell is shut down 1-5min when the fuel cell output power is no longer in rising trend；
S2: repeating said steps S1 no longer rises up to the output power of fuel cell in front and back twice the step S1
When, the fuel cell completes activation.In activation process, setting air enters that heap pressure is 0-70kPa, hydrogen enters heap pressure and is
0-80kPa, entire activation process needs 1-4 hours, and when battery reaches maximum output, cell activation is completed, and so may be used
The rapidly peak power output of activated batteries, achievees the purpose that activation.Fig. 1 is the combustion formed using 50 monolithic fuel cells
Material battery pack compares as shown in Figure 1, from Fig. 1 before activation and using the cell output after activating under above-mentioned activation condition
It can be seen that its performance is obviously improved fuel cell after activation, output power is bigger.
Embodiment 2
The output electric current of fuel cell after the activation of embodiment 1 is reduced to 0A, pole is done using constant current discharge mode
Change curve test, cell operating temperature is 65-75 DEG C, and anode is passed through hydrogen with 1.5 metering ratio, and cathode is with 2.5 metering ratio
Air is passed through (lower than 100mA/cm2Current density needed for gas flow with 100mA/cm2Corresponding gas flow is
It is quasi-), setting air enters that heap pressure is 0-70kPa, to enter heap pressure be 0-80kPa to hydrogen, cathode and anodic gas be 50% plus
Wet, hydrogen can be used last row loop structure or often arrange mode.
Polarization curve is tested since the output electric current of fuel cell is 0A, with every 50-100mA/cm2Current density into
Row is incremented by output electric current, until rising to maximum value, preferred increment value is 100mA/cm2, constant current is kept when being incremented by every time
Electric discharge 1-3min simultaneously records corresponding voltage value, outputs current to peak value until improving, then the operation item tested with polarization curve
Part, since exporting current maxima, with every 50-100mA/cm2Current density successively decrease exporting electric current, wherein successively decrease
The absolute value of value and the absolute value of increment value are equal, until the output electric current of fuel cell drops to 0A, while in each be incremented by
Corresponding current value keeps constant current discharge 1-3min and records corresponding voltage value, and polarization curve testing process is as shown in table 1,
The purpose of the polarization curve test of battery can be rapidly reached according to the sequence of table 1, entire polarization process needs 0.5-1.5 small
When, polarization curve is made by measured result, while all voltage values under composite record, is averaged as fuel cell
The polarized performance reference of membrane electrode.
Table 1: polarization curve testing process
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of fuel cell membrane electrode activation method, which comprises the steps of:
S1: by fuel cell in connection load and to fuel battery negative pole is passed through hydrogen, anode is passed through combustion-supporting gas and controls it
Under the service condition that running temperature is 65-75 DEG C, when monolithic fuel cell open-circuit voltage rises to 0.9-1V, repeat continuously strong
The output electric current of the raising fuel cell of property processed, and its output voltage is reduced, make the smallest output electricity of monolithic fuel cell
The output electric current of the fuel cell is set as 0A operation, until institute in 0.2V-0.5V, and after keeping 5-10min by voltage-controlled system
State fuel cell output power it is no longer in rising trend when, fuel cell is shut down into 1-5min；
S2: repeating said steps S1 when the output power of fuel cell in front and back twice the step S1 no longer rises, institute
It states fuel cell and completes activation.
2. fuel cell membrane electrode activation method according to claim 1, which is characterized in that the hydrogen is pure hydrogen,
Its operating pressure is 0-80kPa, and metering is than being 1.5.
3. fuel cell membrane electrode activation method according to claim 1, which is characterized in that the combustion-supporting gas is drying
Air afterwards, operating pressure 0-70kPa, metering is than being 2.5.
4. fuel cell membrane electrode activation method according to claim 1, which is characterized in that the hydrogen and described combustion-supporting
Gas is 50% humidification.
5. a kind of test method of fuel cell membrane electrode polarization curve, which comprises the steps of:
X1: fuel cell is activated according to activation method according to any one of claims 1-4；
X2: it will be fired through the step X1 treated fuel cell under service condition identical with the step S1 to monolithic
When material battery open circuit voltage rises to 0.9-1V, its initial output electric current is set as 0A, is then passed according to preset current density
Its output electric current that outputs current to that increment successively improves the fuel cell reaches maximum value, and keeps it in each be incremented by
Constant current discharge 1-3min, while recording it and corresponding to its voltage value；
X3: the fuel will be sequentially reduced according to preset current density decrement value through the step X2 treated fuel cell
Its output electric current that outputs current to of battery returns to 0A, and keeps its constant current discharge 1-3min when successively decreasing every time, remembers simultaneously
Lower its of record corresponds to its voltage value, wherein the absolute value phase of preset current density decrement value and preset current density increment value
Deng；
X4: the pole of fuel cell membrane electrode will be made in the step X2 and the step X3 in all voltage values recorded
Change curve.
6. the test method of fuel cell membrane electrode polarization curve according to claim 5, which is characterized in that described preset
Current density increment value is 50-100mA/cm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613344.4A CN109786789A (en) | 2018-12-27 | 2018-12-27 | A kind of test method of fuel cell membrane electrode activation method and polarization curve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613344.4A CN109786789A (en) | 2018-12-27 | 2018-12-27 | A kind of test method of fuel cell membrane electrode activation method and polarization curve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109786789A true CN109786789A (en) | 2019-05-21 |
Family
ID=66498763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811613344.4A Pending CN109786789A (en) | 2018-12-27 | 2018-12-27 | A kind of test method of fuel cell membrane electrode activation method and polarization curve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109786789A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416556A (en) * | 2019-07-05 | 2019-11-05 | 上海骥翀氢能科技有限公司 | A kind of method of fuel cell pile activation |
| CN110649291A (en) * | 2019-09-27 | 2020-01-03 | 先进储能材料国家工程研究中心有限责任公司 | Rapid activation method for proton exchange membrane fuel cell |
| CN110690482A (en) * | 2019-09-20 | 2020-01-14 | 一汽解放汽车有限公司 | Activation method of proton exchange membrane fuel cell |
| CN110993990A (en) * | 2019-12-31 | 2020-04-10 | 上海神力科技有限公司 | Control method for fuel cell stack activation |
| CN111060580A (en) * | 2019-12-26 | 2020-04-24 | 先进储能材料国家工程研究中心有限责任公司 | Acceleration evaluation test method for membrane electrode of fuel cell |
| CN111916800A (en) * | 2020-07-28 | 2020-11-10 | 上海神力科技有限公司 | Activation method and application of fuel cell membrane electrode |
| CN112421082A (en) * | 2020-11-19 | 2021-02-26 | 武汉格罗夫氢能汽车有限公司 | Method for rapidly recovering performance of vehicle fuel cell system |
| CN113238151A (en) * | 2021-01-27 | 2021-08-10 | 中国汽车技术研究中心有限公司 | Method for testing performance of fuel cell stack |
| CN113363535A (en) * | 2021-05-19 | 2021-09-07 | 海卓动力(上海)能源科技有限公司 | Rapid activation method for proton exchange membrane fuel cell |
| CN113629278A (en) * | 2021-06-30 | 2021-11-09 | 北京化工大学 | Method for accurately testing overpotential of fuel cell anode caused by hydrogen impurities and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101132068A (en) * | 2006-08-25 | 2008-02-27 | 比亚迪股份有限公司 | Activation method for membrane electrode of fuel cell |
| CN101136477A (en) * | 2006-08-31 | 2008-03-05 | 比亚迪股份有限公司 | Method for activating membrane electrode of fuel cell |
| CN101414688A (en) * | 2007-10-17 | 2009-04-22 | 北京航天发射技术研究所 | Activation method for fuel battery |
| CN105552405A (en) * | 2016-01-28 | 2016-05-04 | 新源动力股份有限公司 | Method for improving activation efficiency of fuel cell |
| CN105895938A (en) * | 2016-07-05 | 2016-08-24 | 弗尔赛（上海）能源科技有限公司 | Activation method of PEMFC (Proton Exchange Membrane Fuel Cell) stack |
| CN108226789A (en) * | 2017-11-21 | 2018-06-29 | 东南大学 | A kind of performance test methods of intermediate temperature solid oxide fuel cell |
-
2018
- 2018-12-27 CN CN201811613344.4A patent/CN109786789A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101132068A (en) * | 2006-08-25 | 2008-02-27 | 比亚迪股份有限公司 | Activation method for membrane electrode of fuel cell |
| CN101136477A (en) * | 2006-08-31 | 2008-03-05 | 比亚迪股份有限公司 | Method for activating membrane electrode of fuel cell |
| CN101414688A (en) * | 2007-10-17 | 2009-04-22 | 北京航天发射技术研究所 | Activation method for fuel battery |
| CN105552405A (en) * | 2016-01-28 | 2016-05-04 | 新源动力股份有限公司 | Method for improving activation efficiency of fuel cell |
| CN105895938A (en) * | 2016-07-05 | 2016-08-24 | 弗尔赛（上海）能源科技有限公司 | Activation method of PEMFC (Proton Exchange Membrane Fuel Cell) stack |
| CN108226789A (en) * | 2017-11-21 | 2018-06-29 | 东南大学 | A kind of performance test methods of intermediate temperature solid oxide fuel cell |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110416556A (en) * | 2019-07-05 | 2019-11-05 | 上海骥翀氢能科技有限公司 | A kind of method of fuel cell pile activation |
| CN110690482A (en) * | 2019-09-20 | 2020-01-14 | 一汽解放汽车有限公司 | Activation method of proton exchange membrane fuel cell |
| CN110649291B (en) * | 2019-09-27 | 2022-08-02 | 先进储能材料国家工程研究中心有限责任公司 | Rapid activation method for proton exchange membrane fuel cell |
| CN110649291A (en) * | 2019-09-27 | 2020-01-03 | 先进储能材料国家工程研究中心有限责任公司 | Rapid activation method for proton exchange membrane fuel cell |
| CN111060580A (en) * | 2019-12-26 | 2020-04-24 | 先进储能材料国家工程研究中心有限责任公司 | Acceleration evaluation test method for membrane electrode of fuel cell |
| CN110993990A (en) * | 2019-12-31 | 2020-04-10 | 上海神力科技有限公司 | Control method for fuel cell stack activation |
| CN111916800A (en) * | 2020-07-28 | 2020-11-10 | 上海神力科技有限公司 | Activation method and application of fuel cell membrane electrode |
| CN111916800B (en) * | 2020-07-28 | 2021-07-09 | 上海神力科技有限公司 | Activation method and application of fuel cell membrane electrode |
| CN112421082A (en) * | 2020-11-19 | 2021-02-26 | 武汉格罗夫氢能汽车有限公司 | Method for rapidly recovering performance of vehicle fuel cell system |
| CN113238151A (en) * | 2021-01-27 | 2021-08-10 | 中国汽车技术研究中心有限公司 | Method for testing performance of fuel cell stack |
| CN113363535A (en) * | 2021-05-19 | 2021-09-07 | 海卓动力(上海)能源科技有限公司 | Rapid activation method for proton exchange membrane fuel cell |
| CN113629278A (en) * | 2021-06-30 | 2021-11-09 | 北京化工大学 | Method for accurately testing overpotential of fuel cell anode caused by hydrogen impurities and application thereof |
| CN113629278B (en) * | 2021-06-30 | 2024-03-26 | 北京化工大学 | Method for accurately testing over-potential of fuel cell anode caused by hydrogen impurity and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109786789A (en) | A kind of test method of fuel cell membrane electrode activation method and polarization curve | |
| CN103928695B (en) | A kind of method recovering Proton Exchange Membrane Fuel Cells poor efficiency membrane electrode performance | |
| CN110323481A (en) | A kind of hot pressing chemical synthesizing method of high magnification soft-package battery | |
| KR100513541B1 (en) | Method for activating sofc type fuel cell | |
| CN112993334B (en) | Fuel cell stack starting and testing method without external humidification | |
| CN103367778B (en) | Quick MEA break-ins recover with voltage | |
| CN111082103B (en) | Low-temperature self-starting method of fuel cell system | |
| CN110957510B (en) | Method for testing startup and shutdown of fuel cell stack rack | |
| CN113224354A (en) | Dehydration and drying control method for low-temperature hydrogen storage path of fuel cell in winter | |
| KR20210129603A (en) | Fuel cell system | |
| US11881604B2 (en) | Fuel cell system | |
| CN109713339B (en) | Flow battery system control method based on current optimization strategy | |
| JPWO2014057603A1 (en) | Fuel cell system including fuel cell and lead acid battery, and charging method thereof | |
| Pahon et al. | Effect of load cycling on the performance of fuel cell stacks | |
| CN102290846B (en) | Impedance type constant-voltage charging circuit with variable negative temperature coefficients | |
| CN114024005B (en) | Fuel cell system with rapid shutdown function and shutdown control method | |
| KR20140123337A (en) | Redox flow secondary battery system | |
| CN113991197A (en) | Lithium ion battery and charging method thereof | |
| CN115249826A (en) | Control method of hydrogen circulating pump | |
| CN108649239B (en) | Method for regulating lattice stress of oxide type electrocatalyst | |
| Xie et al. | Optimal Design of Zinc-iron Liquid Flow Battery Based on Flow Control | |
| CN218385365U (en) | Lead-acid battery new and old mixed use balance circuit structure | |
| CN107171006A (en) | Fuel cell exempts from humidification system device | |
| CN202210690U (en) | Negative temperature coefficient adjustable resistance type constant voltage charging circuit | |
| JP2014073003A (en) | Fuel cell, fuel cell system including lead storage battery and charging method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190521 |