CN209496956U - A kind of fuel cell system improving power generation performance - Google Patents
A kind of fuel cell system improving power generation performance Download PDFInfo
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- CN209496956U CN209496956U CN201920391198.9U CN201920391198U CN209496956U CN 209496956 U CN209496956 U CN 209496956U CN 201920391198 U CN201920391198 U CN 201920391198U CN 209496956 U CN209496956 U CN 209496956U
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- Prior art keywords
- fuel cell
- hydrogen
- power generation
- igbt
- air
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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 utility model discloses a kind of fuel cell system for improving power generation performance, including electricity generation module, including fuel cell, is equipped with catalyst in the fuel cell；Catalyst activation module, including IGBT and IGBT drive control protect circuit；And main control module, including governor circuit；One end of the load circuit and the anode of fuel cell connect; the other end of the load circuit and the cathode of fuel cell connect; the IGBT is in parallel with load circuit; the collector of the IGBT and the anode of fuel cell connect; the emitter of the IGBT and the cathode of fuel cell connect; the gate pole and IGBE drive control of the IGBT protects circuit connection, and the IGBT drive control protection circuit is connect with governor circuit.The utility model can make activation of catalyst, effectively improve the power generation performance of fuel cell, extend the service life of fuel cell.
Description
Technical field
The utility model relates to generating equipment technical field, in particular to a kind of fuel cell system for improving power generation performance
System.
Background technique
Hydrogen is a kind of one of 21 century optimal energy, coal, gasoline and the hydrogen for identical weight of burning the case where
Under, the energy that hydrogen generates is most, and the product that it burns is water, without lime-ash and exhaust gas, is not polluted the environment；And coal and
The mainly CO2 and SO2 that oil combustion generates, can generate greenhouse effects and acid rain respectively.Coal and petroleum reserves are limited,
And unique product is water after hydrogen burning, is the very environmentally friendly energy.
With the development of technology, hydrogen in the industry using more and more extensive, such as ammonia synthesizing industry and petroleum refinement
Add hydrogen industry etc., in addition to this, hydrogen can also be used to generate electricity, and with epoch progress, emerge batch of fuel battery, the fuel
Battery occurs electrochemical reaction with the oxygen in air for hydrogen and produces electricl energy, as shown in Figure 1, in the cathode of fuel cell 4:
2H2→4H++4e-, H2Two protons and two electronics are split into, proton passes through proton exchange membrane 42 and enters anode, and electronics is through outer
Section load enters anode, in the anode of fuel cell: O2+4e-+4H+→2H2O, proton, electronics and O2It recombines to be formed
H2O, and in general, being to need to improve reaction speed under the catalyst in proton exchange membrane 42 in this reaction process
Rate.Since the catalyst in the anode of fuel cell 4 in proton exchange membrane 42 can be contacted with oxygen, in this way it is easy catalyst
Oxide is generated with oxygen and loses the activity of catalyst, and the power generation performance of fuel cell 4 is caused decline, reduction fuel cell 4
Service life.
Utility model content
The technical problems to be solved in the utility model is in view of the deficiency of the prior art, to provide a kind of raising hair
The fuel cell system of electrical property can make activation of catalyst, effectively improve the power generation performance of fuel cell, extend fuel cell
Service life.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of fuel cell system improving power generation performance, including
Electricity generation module, including fuel cell, oxygen generation electrochemistry of the fuel cell in hydrogen and air are anti-
It should produce electricl energy, generated electric energy is load circuit power supply；The fuel cell includes multiple reaction piles, the reaction electricity
Heap includes hydrogen transfer passage and air delivery passage, and proton exchange is equipped between hydrogen transfer passage and air delivery passage
Film, catalyst is contained in the proton exchange membrane, and the catalyst is used to accelerate the electrification between the oxygen in hydrogen and air
Learn reaction rate；
Catalyst activation module is provided instantaneous large-current for the proton exchange membrane for fuel cell and is exchanged with activating proton
Catalyst in film, the catalyst activation module include IGBT and IGBT drive control protection circuit；
Main control module, for controlling the work of electricity generation module and catalyst activation module, including governor circuit；
One end of the load circuit and the anode of fuel cell connect, the other end and fuel cell of the load circuit
Cathode connection, the IGBT is in parallel with load circuit, the positive connection of the collector of the IGBT and fuel cell, described
The emitter of IGBT and the cathode of fuel cell connect, and the gate pole and IGBT drive control of the IGBT protects circuit connection, institute
IGBT drive control protection circuit is stated to connect with governor circuit.
As a preferred embodiment, the load circuit includes load and switchs, one end of the switch and fuel cell
Anode connection, one end of the other end of the switch and load connects, the other end of the load and the cathode of fuel cell
Connection.
As a preferred embodiment, the electricity generation module further includes positive plate and negative plate, the one of hydrogen transfer passage
Side, proton exchange membrane are electrically connected with film anode strip；In the side of air delivery passage, proton exchange membrane is electrically connected with film yin
Pole piece；The positive plate is electrically connected with the film cathode sheets reacted in pile, the negative plate and the film anode reacted in pile
Piece is electrically connected.
As a preferred embodiment, the electricity generation module further includes hydrogen gas pipeline and exhaust pipe, and the hydrogen is defeated
Feed channel is connected to hydrogen transfer passage, and the exhaust pipe is connected to outside air, is offered in the air delivery passage
Multiple air inlets, the hydrogen enter hydrogen transfer passage from hydrogen gas pipeline, the catalyst in proton exchange membrane
Under catalysis, hydrogen generates Hydrogen Proton and negative electron, and the Hydrogen Proton reaches air delivery passage by proton exchange membrane, described negative
Electronics reaches air delivery passage after load circuit or IGBT, and air enters air delivery passage, hydrogen matter from air inlet
Oxygen reaction in son, negative electron and air generates water vapour, and water vapour and remaining unreacted hydrogen are arranged from exhaust pipe
Out.
As a preferred embodiment, the electricity generation module further includes gas transmission solenoid valve, and the gas transmission solenoid valve is installed on hydrogen
The on-off of hydrogen gas pipeline is controlled on gas gas pipeline.
As a preferred embodiment, the electricity generation module further includes exhaust solenoid valve, and the exhaust solenoid valve is installed on row
The on-off of exhaust pipe is controlled in feed channel.
As a preferred embodiment, the electricity generation module further includes airstrainer, and the airstrainer is set to fuel
The side of battery.
As a preferred embodiment, the electricity generation module further includes plenum fan, and the plenum fan is set to fuel cell
The other side, air is sent into air delivery passage from air inlet after airstrainer, and taken away by the plenum fan
React the partial heat that pile reaction generates.
The beneficial effects of the utility model are: protecting the cooperation of circuit can be to fuel electricity by IGBT and IGBT drive control
The catalyst in proton exchange membrane in pond imposes high current, promotes the ingredient being oxidized in catalyst to be reduced again, with this
Activated catalyst can more extend the service life of fuel cell system so as to improve the power generation performance of fuel cell system；It send
On the one hand air can be sent into air delivery passage from air inlet port by the setting of air fan, on the other hand can take away fuel electricity again
Heat caused by the electrochemical reaction occurred in pond, the effect of playing cooling, to keep fuel cell operation more stable, effectively
Extend the service life of fuel cell；It is load supplying that this fuel cell system, which can generate stable DC stream, meets load
Demand, the operation is stable, security performance are high.
Detailed description of the invention
Fig. 1 is the electrochemical reaction schematic diagram occurred in fuel cell；
Fig. 2 is the embodiment of the utility model and the connection schematic diagram of load circuit；
Fig. 3 is the structural schematic diagram of the electricity generation module of the embodiment of the utility model；
Fig. 4 is the method flow diagram of the raising fuel system power generation performance of the utility model；
Fig. 5 be the utility model activation of catalyst during curent change figure in fuel cell.
In figure: 1- electricity generation module, 2- catalyst activation module, 3- main control module, 4- fuel cell, 41- air delivery are logical
Road, 42- proton exchange membrane, 43- hydrogen transfer passage, 44- air inlet, 5-IGBT, 6-IGBT drive control protect circuit,
7- governor circuit, 8- load circuit, 9- switch, 10- load, 11- hydrogen gas pipeline, 12- exhaust pipe, 13- gas transmission electromagnetism
Valve, 14- exhaust solenoid valve, 15- plenum fan, 16- airstrainer.
Specific embodiment
The structural principle of the utility model and working principle are described in further detail with reference to the accompanying drawing.
A kind of fuel cell described in the utility model is illustrated in conjunction with Fig. 1 to Fig. 3.
A kind of fuel cell system improving power generation performance, including
For the oxygen in hydrogen and air electrochemistry occurs for electricity generation module 1, including fuel cell 4, the fuel cell 4
Reaction produces electricl energy, and generated electric energy is the power supply of load circuit 8, and the fuel cell 4 includes 66 reaction piles, described anti-
Answering pile includes hydrogen transfer passage 43 and air delivery passage 41, is set between hydrogen transfer passage 43 and air delivery passage 41
There is proton exchange membrane 42, catalyst is contained in the proton exchange membrane 42, the catalyst is for accelerating in hydrogen and air
Electrochemical reaction speed between oxygen；
Catalyst activation module 2, for providing instantaneous large-current for fuel cell 4 to activate the catalysis in fuel cell 4
Agent, the catalyst activation module 2 include that IGBT5 and IGBT drive control protects circuit 6；
Main control module 3, for controlling the work of electricity generation module 1 and catalyst activation module 2, including governor circuit 7；
One end of the load circuit 8 is connect with the anode of fuel cell 4, the other end and fuel of the load circuit 8
The cathode of battery 4 connects, and the IGBT5 is in parallel with load circuit 8, and the collector of the IGBT5 and the anode of fuel cell 4 connect
It connects, the emitter of the IGBT5 is connect with the cathode of fuel cell 4, gate pole and IGBT drive control the protection electricity of the IGBT5
Road 6 connects, and the IGBT drive control protection circuit 6 is connect with governor circuit 7.
Wherein, IGBT (Insulated Gate Bipolar Transistor), insulated gate bipolar transistor, be by
The compound full-control type voltage driven type power semiconductor of BJT (double pole triode) and MOS (insulating gate type field effect tube) composition
Device.
As a preferred embodiment, the load circuit 8 includes load 10 and switch 9, one end of the switch 9 and fuel
The anode connection of battery 4, the other end of the switch 9 are connect with one end of load 10, the other end and fuel of the load 10
The cathode of battery 4 connects.The load 10 is not limited to one, can be it is multiple, when load 10 is multiple, multiple loads 10
Between connect, it is described load 10 be DC load.
As a preferred embodiment, the fuel cell 4 includes positive plate and negative plate, the one of hydrogen transfer passage 43
Side, proton exchange membrane 42 are electrically connected with film anode strip；In the side of air delivery passage 41, proton exchange membrane 42 is electrically connected
There are film cathode sheets；The positive plate is electrically connected with the film cathode sheets reacted in pile, the negative plate with react in pile
Film anode strip is electrically connected.
As a preferred embodiment, the electricity generation module 1 further includes hydrogen gas pipeline 11 and exhaust pipe 12, the hydrogen
Gas gas pipeline 11 is connected to hydrogen transfer passage 43, and the exhaust pipe 12 is connected to outside air, and the air delivery is logical
Multiple air inlets 44 are offered on road 41, the hydrogen enters hydrogen transfer passage 43 from hydrogen gas pipeline 11, in matter
Under catalyst in proton exchange 42, hydrogen generates Hydrogen Proton and negative electron, and the Hydrogen Proton passes through proton exchange membrane 42
Air delivery passage 41 is reached, the negative electron reaches air delivery passage 41 after load circuit or IGBT, and air is from air
Air inlet 44 enters air delivery passage 41, and the oxygen reaction in Hydrogen Proton, negative electron and air generates water vapour, water vapour and
Remaining unreacted hydrogen is discharged from exhaust pipe 12.
As a preferred embodiment, the electricity generation module 1 further includes gas transmission solenoid valve 13 and exhaust solenoid valve 14, described defeated
Pneumoelectric magnet valve 13 is installed on the on-off that hydrogen gas pipeline 11 is controlled on hydrogen gas pipeline 11, and the exhaust solenoid valve 14 is pacified
Loaded on the on-off for controlling exhaust pipe 12 on exhaust pipe 12.
As a preferred embodiment, the electricity generation module 1 further includes airstrainer 16 and plenum fan 15, the air
Filter screen 16 is set to the side of fuel cell 4, and the plenum fan 15 is set to the other side of fuel cell 4, the plenum fan
Air is sent into air delivery passage 41 from air inlet 44 after airstrainer 16 by 15, and is taken away reaction pile reaction and produced
Raw partial heat.
As shown in figure 4, a kind of method for improving fuel cell system power generation performance, is based on fuel cell system as described above
System, method the following steps are included:
1) Xiang Fanying pile input air: starting electricity generation module 1, starting plenum fan 15 make air through air inlet 44
Into the air delivery passage 41 of fuel cell 4；
2) purification reaction pile: gas transmission solenoid valve 13, which is opened, makes hydrogen enter fuel cell 4 through hydrogen gas pipeline 11
Hydrogen transfer passage 43, while exhaust solenoid valve 14 is opened and makes in the hydrogen transfer passage 43 of fuel cell 4 gas through exhaust pipe
Road 12 is discharged, to achieve the purpose that purification reaction pile；
In general, the time of purification reaction pile is 1-5s, the preferred time of purification reaction pile is 3s.
The effect of purification reaction pile: since purity requirement of the fuel cell 4 to hydrogen is high, hydrogen in this fuel cell 4
Gas purity need to reach 99.99%, and when fuel cell 4 is just switched on, it might have other impurities gas in hydrogen transfer passage 43
In the presence of the purification reaction heap before being reacted can guarantee that the hydrogen purity in hydrogen transfer passage 43 reaches 99.99%, help
In the power generation performance for improving fuel cell 4.
3) soak proton exchange membrane 42: switch 9 is closed, and fuel cell 4 is connect with load 10, in the control of main control module 3
Under make in fuel cell 4 reaction pile react to generate low current and flow to proton exchange membrane 42 in fuel cell 4 through load 10,
Make the generation reaction hyrate wetting proton exchange membrane 42 that reacts inside proton exchange membrane 42.
The time that proton exchange membrane 42 is soaked in the step is 10-50s, and the preferred time for soaking proton exchange membrane 42 is
30s, the current value of low current are 10-15A.Wetting proton exchange membrane 42 can help to improve the power generation performance of fuel cell 4.
4) activation of catalyst: IGBT drive control protection circuit 6, which controls, makes the collector and emitter connection of IGBT5 make to fire
Expect that 42 moment of proton exchange membrane in battery 4 obtains high current, promotes the activation of catalyst in proton exchange membrane 42；
Interval progress activation of catalyst 1-15 times during soaking proton exchange membrane 42, preferably 3-5 times, activation of catalyst
The maximum current value of high current is greater than 600A in the process, and each activation of catalyst time is 100-160ms, each activation of catalyst
Interval time be 2-8s, the interval time of each activation of catalyst is preferably 3s, during activation of catalyst, fuel electricity
Cell system is in open state, and the state that exhaust solenoid valve 14 is in closure (will not be discharged i.e. during activation of catalyst
Hydrogen and water vapour), and plenum fan 15 is in normal operation, needs to close fuel if meeting during activation of catalyst
Battery system, it also needs to turn off fuel cell system after the completion of equal activation of catalyst.
5) it is 10 power supply of load: makes to react pile in fuel cell 4 under the control of main control module 3 and react generation
Electric current incrementally increases until load current reaches load current threshold, and later, 4 continuous service of fuel cell is that load 10 supplies
Electricity.
As a preferred embodiment, during step 3) and step 5), exhaust solenoid valve is opened in not timing according to demand, is realized
Method be install pressure sensor in hydrogen transfer passage 43, when the pressure value in hydrogen transfer passage 43 be greater than pressure threshold
When value, exhaust solenoid valve 14 is opened.
As a preferred embodiment, during 4 continuous service of fuel cell is 10 power supply of load, according to voltage attenuation feelings
Condition/power output accumulation situation interval carries out activation of catalyst 1-10 times, preferably activation of catalyst 1-3 times；Work as voltage attenuation
Value is greater than voltage attenuation threshold time every progress activation of catalyst；When power output accumulated value is not less than power output accumulation threshold
When interval carry out activation of catalyst.
Activation of catalyst principle: the catalyst metals platinum used in the present embodiment, the metal platinum are applied to proton friendship
Change in a certain layer in film 42, due to air delivery passage 41 be and air communication, that is, proton exchange membrane 42 in metal
Platinum can occur oxidation reaction with the oxygen in air and generate platinum oxide, and the activity of catalyst is caused to reduce, and living in catalyst
During change, the protection control of circuit 6 of IGBT drive control is connected to the collector and emitter of IGBT5, and 4 moment of fuel cell is short
Road, the electric current in fuel cell 4 can generate variation as shown in Figure 5 at this time, after the collector and emitter connection of IGBT5
Electric current moment in fuel cell 4 increases, and the high current greater than 600A is grown between 20-40ms.Utilize this high current
The catalyst layer in proton exchange membrane 42 is acted in catalyst activation process, the electrochemical reaction formula of generation is specific as follows:
The electrochemical reaction formula occurred in film cathode:
The electrochemical reaction formula occurred in film anode:
By above-mentioned chemical formula it is found that in catalyst activation process, high current is to the catalyst layer in proton exchange membrane 42
Effect, makes the platinum oxide in proton exchange membrane 42 in catalyst layer be reduced into metal platinum again, so just improves catalysis
The activity of oxidant layer.
The shutdown process of fuel cell system, comprising the following steps:
1) gas transmission solenoid valve 13 and exhaust solenoid valve 14 are opened simultaneously, gas transmission solenoid valve 13 and exhaust electromagnetism are closed after 3s
Valve 14；
2) plenum fan 15 continues to run, until the temperature of reaction pile is down to 25 DEG C or environment temperature.
The beneficial effects of the utility model are: protecting the cooperation of circuit 6 can be to fuel by IGBT5 and IGBT drive control
The catalyst in proton exchange membrane 42 in battery 4 imposes high current, and the ingredient being oxidized in catalyst is promoted to be reduced again,
With this activated catalyst, so as to improve the power generation performance of fuel cell system, can more extend fuel cell system uses the longevity
Life；On the one hand air can be sent into air delivery passage 41 from air inlet port 44 by the setting of plenum fan 15, on the other hand again
The effect of heat caused by the electrochemical reaction occurred in fuel cell 4 can be taken away, play cooling, to make fuel cell 4
Run more stable, effective service life for extending fuel cell 4；This fuel cell system can generate stable DC stream and be negative
10 power supplies are carried, 10 demands of load, the operation is stable, security performance height are met.
Above descriptions are merely preferred embodiments of the utility model, it is all according to the technical solution of the utility model to
On embodiment made by any subtle modifications, equivalent variations and modifications, belong to the range of technical solutions of the utility model
It is interior.
Claims (8)
1. a kind of fuel cell system for improving power generation performance, it is characterised in that: including
Electricity generation module, including fuel cell, the fuel cell occur electrochemical reaction for the oxygen in hydrogen and air and produce
Raw electric energy, generated electric energy are load circuit power supply；The fuel cell includes multiple reaction piles, the reaction pile packet
Hydrogen transfer passage and air delivery passage are included, proton exchange membrane, institute are equipped between hydrogen transfer passage and air delivery passage
It states and contains catalyst in proton exchange membrane, the catalyst is used to accelerate the electrochemical reaction between the oxygen in hydrogen and air
Rate；
Catalyst activation module provides instantaneous large-current in activating proton exchange membrane for the proton exchange membrane for fuel cell
Catalyst, the catalyst activation module include IGBT and IGBT drive control protection circuit；
Main control module, for controlling the work of electricity generation module and catalyst activation module, including governor circuit；
One end of the load circuit and the anode of fuel cell connect, the other end of the load circuit and bearing for fuel cell
Pole connection, the IGBT is in parallel with load circuit, and the collector of the IGBT and the anode of fuel cell connect, the IGBT's
The connection of the cathode of emitter and fuel cell, the gate pole and IGBT drive control of the IGBT protect circuit connection, the IGBT
Drive control protection circuit is connect with governor circuit.
2. a kind of fuel cell system for improving power generation performance according to claim 1, it is characterised in that: the load electricity
Road includes load and switch, and one end of the switch and the anode of fuel cell connect, the other end and the load of the switch
One end connection, the other end of the load and the cathode of fuel cell connect.
3. a kind of fuel cell system for improving power generation performance according to claim 2, it is characterised in that: the power generation mould
Block further includes positive plate and negative plate, and in the side of hydrogen transfer passage, proton exchange membrane is electrically connected with film anode strip；In sky
The side of gas transfer passage, proton exchange membrane are electrically connected with film cathode sheets；The positive plate and the film cathode reacted in pile
Piece is electrically connected, and the negative plate is electrically connected with the film anode strip reacted in pile.
4. a kind of fuel cell system for improving power generation performance according to claim 3, it is characterised in that: the power generation mould
Block further includes hydrogen gas pipeline and exhaust pipe, and the hydrogen gas pipeline is connected to hydrogen transfer passage, the exhaust pipe
Road is connected to outside air, offers multiple air inlets in the air delivery passage, and the hydrogen is from hydrogen appendix
Road enters hydrogen transfer passage, and under the catalyst in proton exchange membrane, hydrogen generates Hydrogen Proton and negative electron, the hydrogen
Proton reaches air delivery passage by proton exchange membrane, and it is logical that the negative electron reaches air delivery after load circuit or IGBT
Road, air enter air delivery passage from air inlet, and the oxygen reaction in Hydrogen Proton, negative electron and air generates water and steams
Vapour, water vapour and remaining unreacted hydrogen are discharged from exhaust pipe.
5. a kind of fuel cell system for improving power generation performance according to claim 4, it is characterised in that: the power generation mould
Block further includes gas transmission solenoid valve, and the gas transmission solenoid valve is installed on hydrogen gas pipeline to control the logical of hydrogen gas pipeline
It is disconnected.
6. a kind of fuel cell system for improving power generation performance according to claim 5, it is characterised in that: the power generation mould
Block further includes exhaust solenoid valve, and the exhaust solenoid valve is installed on the on-off that exhaust pipe is controlled on exhaust pipe.
7. a kind of fuel cell system for improving power generation performance according to claim 6, it is characterised in that: the power generation mould
Block further includes airstrainer, and the airstrainer is set to the side of fuel cell.
8. a kind of fuel cell system for improving power generation performance according to claim 7, it is characterised in that: the power generation mould
Block further includes plenum fan, and the plenum fan is set to the other side of fuel cell, and the plenum fan is by air through air mistake
It is sent into air delivery passage from air inlet after strainer, and takes away the partial heat that reaction pile reaction generates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920391198.9U CN209496956U (en) | 2019-03-26 | 2019-03-26 | A kind of fuel cell system improving power generation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920391198.9U CN209496956U (en) | 2019-03-26 | 2019-03-26 | A kind of fuel cell system improving power generation performance |
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| Publication Number | Publication Date |
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| CN209496956U true CN209496956U (en) | 2019-10-15 |
Family
ID=68157633
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| CN201920391198.9U Withdrawn - After Issue CN209496956U (en) | 2019-03-26 | 2019-03-26 | A kind of fuel cell system improving power generation performance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994755A (en) * | 2019-03-26 | 2019-07-09 | 广东亚氢科技有限公司 | A kind of fuel cell system and the method for improving fuel cell system power generation performance |
| CN110819844A (en) * | 2019-11-19 | 2020-02-21 | 刘海涛 | Aluminum alloy door frame manufacturing device based on electrode reaction principle |
-
2019
- 2019-03-26 CN CN201920391198.9U patent/CN209496956U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994755A (en) * | 2019-03-26 | 2019-07-09 | 广东亚氢科技有限公司 | A kind of fuel cell system and the method for improving fuel cell system power generation performance |
| CN109994755B (en) * | 2019-03-26 | 2023-10-10 | 广东亚氢科技有限公司 | Fuel cell system and method for improving power generation performance of fuel cell system |
| CN110819844A (en) * | 2019-11-19 | 2020-02-21 | 刘海涛 | Aluminum alloy door frame manufacturing device based on electrode reaction principle |
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