CN208395285U - Electrolysis unit - Google Patents

Electrolysis unit Download PDF

Info

Publication number
CN208395285U
CN208395285U CN201820120226.9U CN201820120226U CN208395285U CN 208395285 U CN208395285 U CN 208395285U CN 201820120226 U CN201820120226 U CN 201820120226U CN 208395285 U CN208395285 U CN 208395285U
Authority
CN
China
Prior art keywords
pole plate
port
bipolar plates
way switch
hydrogen
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.)
Active
Application number
CN201820120226.9U
Other languages
Chinese (zh)
Inventor
李海明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Sizhuo New Energy Co Ltd
Original Assignee
Nantong Sizhuo New Energy Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nantong Sizhuo New Energy Co Ltd filed Critical Nantong Sizhuo New Energy Co Ltd
Priority to CN201820120226.9U priority Critical patent/CN208395285U/en
Application granted granted Critical
Publication of CN208395285U publication Critical patent/CN208395285U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

Electrolysis unit provided by the utility model, comprising: four-way switch, input terminal connects the anode of power supply, control terminal connects controller, there are four ports for output end tool;Electrolytic cell, it is in series by multiple pole plates, an electrolytic chamber is constituted between two neighboring pole plate;And multiple pole plates include: the first end pole plate for connecting power cathode;The setting opposite with first end pole plate and the second end pole plate being connect with an input port;The N number of bipolar plates being spacedly distributed between first end pole plate and second end pole plate;TheA bipolar plates,A bipolar plates,A bipolar plates connect one to one with the other three input port;Controller is connected for controlling the input terminal in four-way switch according to supply voltage with port corresponding in output end.The utility model effectively realizes that hydrogen production plant by water electrolysis to the adaptability of wave motion input power supply, improves efficiency of energy utilization.

Description

Electrolysis unit
Technical field
The utility model relates to electrochemical techniques and replaceable energy technology field more particularly to a kind of electrolysis unit.
Background technique
Hydrogen possesses light weight as energy storage carrier, and energy density is high, when use to environment without any discharge the advantages that, by To the favor of vast researcher and environmentalist.However, hydrogen is not present in nature, need to utilize external energy It is prepared.The technology of hydrogen manufacturing at present is mainly fossil fuel hydrogen manufacturing and water electrolysis hydrogen producing two major classes.Also there are other hydrogen production process Such as thermochemical cycle for hydrogen production and biomass hydrogen preparation.Fossil fuel hydrogen manufacturing is current maximum and most economical hydrogen source, with Society development and environmental problem receive more and more attention, fossil fuel hydrogen manufacturing use petroleum fuel as former due to it Material inevitably has certain negative effect during preparing hydrogen to environment, and the prepared hydrogen later period needs cumbersome Filtering and separation process cause hydrogen purity to be not necessarily able to satisfy the requirement of later period hydrogen storage equipment.In addition, fossil fuel hydrogen manufacturing Commonly used in large-scale production base, its effect can not be played completely in the micro-capacitance sensor framework of current high-efficiency and economic.
Water electrolysis hydrogen producing obtains the hydrogen of high-purity by electrolysis water, and device structure is mature, relatively easy.It is purified Hydrogen purity afterwards may be up to 99.9999%, be higher by the not carbon containing member of hydrogen of other hydrogen manufacturing mode an order of magnitude and its preparation Plain impurity, so become the high-precision application field unique selection of such as production of polysilicon.However the energy transformation ratio of water electrolysis hydrogen producing It is relatively low to compare fossil fuel hydrogen manufacturing, researchs and analyses and obtains, in the production consumption composition of water electrolysis hydrogen producing, raw material are (predominantly Electricity charge investment) accounting is up to 81.9%, and cause water electrolysis hydrogen producing in whole hydrogen manufacturing market portion very little.
New energy sustainable development today is vigorously advocated in country, water electrolysis hydrogen producing has welcome new opportunity to develop.It can The renewable sources of energy such as wind energy, solar energy, tide energy etc. cause big since it produces electricity the unstability and territory restriction of power Amount renewable energy can not be reasonably utilized, and " abandonment abandons water and abandons light " phenomenon then occur.Water electrolysis hydrogen producing is flexible by it System scale, mature and stable system performance, and with the good compatible degree of hydrogen fuel cell system, be expected to become mainstream The technological means of hydrogen manufacturing.On the other hand, hydrogen is as energy carrier, and in the fuel of equal quality, it is close to possess highest energy Degree.Water electrolysis hydrogen producing will also play the part of important role in terms of energy storage applications and micro-capacitance sensor building in future.
New energy water electrolysis hydrogen producing institute facing challenges mostly come from two aspects at present: water electrolysis hydrogen production is inefficient And new energy input power is unstable.Therefore, optimization water electrolysis hydrogen producing system is to fluctuation power input (such as renewable energy Source, such as solar energy, wind energy, tide energy etc.) adaptability, while improving the hydrogen output of unit energy, be current water electrolysis hydrogen producing The main target of technology.
Therefore, the electrolytic cell for water electrolysis hydrogen producing how is improved to the adaptability of fluctuation power supply, proposes energy conversion effect Rate is a technical problem to be solved urgently.
Utility model content
The utility model provides a kind of electrolysis unit, for effectively improving the electrolytic cell of water electrolysis hydrogen producing to fluctuation power supply Adaptability improves energy conversion efficiency, reduces the waste of renewable resource.
To solve the above-mentioned problems, the utility model provides a kind of electrolysis unit, including electrolytic cell, power supply, controller And four-way switch;Wherein:
The four-way switch, input terminal connects the anode of the power supply, control terminal connects the controller, output end tool There are first port, second port, third port and the 4th port;
The electrolytic cell, it is in series by multiple pole plates, an electrolytic chamber is constituted between two neighboring pole plate;And it is described more A pole plate includes: first end pole plate, is set to one end of the electrolytic cell, and connect the cathode of the power supply;Second end pole plate, The other end that is set to the electrolytic cell opposite with the first end pole plate, and connect with the 4th port;It is N number of bipolar Plate, N number of bipolar plates are spacedly distributed between the first end pole plate and the second end pole plate;TheA bipolar plates Connect by contact with the first port,A bipolar plates are connect by contact with the second port, the A bipolar plates are connect by contact with the third port;Wherein, N is positive integer;
The controller for detecting supply voltage, and is controlled according to the supply voltage defeated in the four-way switch Enter end to be connected with port corresponding in output end.
It preferably, further include being set to the unidirectional of electrolytic chamber's hydrogen outlet side to hinder back valve in the electrolytic cell.
Electrolysis unit provided by the utility model, the access section of selectivity and the testing result to input power power Divide electrolytic cell to enter circuit loop, in the case where excessively not increasing production cost, effectively realizes hydrogen production plant by water electrolysis to wave The adaptability of dynamic input power, improves efficiency of energy utilization, while being renewable energy (such as wind energy, solar energy, tide energy Deng) collection, storage and transport provide solution.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of electrolysis unit in specific embodiment of the present invention;
Attached drawing 2 is the structural schematic diagram that valve is unidirectionally hindered back in specific embodiment of the present invention.
Specific embodiment
It elaborates with reference to the accompanying drawing to the specific embodiment of electrolysis unit provided by the utility model.
Present embodiment provides a kind of electrolysis unit, and attached drawing 1 is electrolysed in specific embodiment of the present invention The structural schematic diagram of device.As shown in Figure 1, the electrolysis unit that present embodiment provides, including electrolytic cell 9, power supply 6, control Device 5 and four-way switch 8 processed.Wherein, the power supply 6 is the electric energy generated by renewable energy conversion, such as is produced by wind-power electricity generation The electric energy etc. that electric energy that raw electric energy, solar energy can be transformed, tide energy are transformed.The electrolytic cell 9 is for being electrolysed Water is to generate clean energy resource hydrogen, specifically, electrochemical reaction occurs in electrolytic cell 9: by the electric energy of input by water decomposition At hydrogen and oxygen, wherein hydrogen after removing water purity up to 99.9%.
The four-way switch 8, input terminal connects the anode of the power supply 6, control terminal connects the controller 5, output End has first port (1), second port (2), third port (3) and the 4th port (4).
Renewable energy electricity generation ability is greatly influenced by objective factors such as weather, for example wind power generation is limited by local wind Energy intensity and its duration, solar power generation are limited by received sunlight intensity and sunshine-duration.These factors Result in output voltage fluctuation of the renewable energy as power supply.
In order to adapt to the fluctuation of 6 voltage of the power supply generated by renewable energy, efficiency of energy utilization, this tool are improved The electrolytic cell 9 in electrolysis unit provided by body embodiment, it is in series by multiple pole plates, between two neighboring pole plate Constitute an electrolytic chamber, by water electrolysis generate hydrogen process occur in electrolytic chamber, and inside each electrolytic chamber by every Film is separated into anode and cathode.The multiple pole plate includes N bipolar plates and two unipolar plates, and two unipolar plates include It is placed in the first end pole plate 1 and second end pole plate 4 of 9 opposite end of electrolytic cell.As shown in Figure 1, the first end pole plate 1, It is set to one end of the electrolytic cell 9, and connects the cathode of the power supply 6;Second end pole plate 4, with the first end pole plate 1 The opposite other end for being set to the electrolytic cell 9, and connect with the 4th port (4);N number of bipolar plates 2, it is N number of described double Pole plate 2 is spacedly distributed between the first end pole plate 1 and the second end pole plate 4.I.e. in the electricity of present embodiment A total of N+2 pole plate in slot 9 is solved, N+1 cell is constituted by this N+2 pole plate altogether, and this N+1 cell is to be serially connected. For present embodiment in order to adapt to the supply voltage fluctuated, taken mode is the electricity that different number is controlled according to supply voltage Solve cell access electrolysis circuit.
Specifically, in present embodiment, theA bipolar plates 2 are connected by contact and the first port (1) Connect,A bipolar plates 2 are connect by contact with the second port (2), theA bipolar plates 2 pass through contact and institute State third port (3) connection;Wherein, N is positive integer.In this embodiment, four of 8 input terminal of four-way switch Port connects one to one with four pole plates (i.e. second end pole plate 4 and three bipolar plates).The controller 5, for detecting electricity Source voltage, and the input terminal in the four-way switch 8 is controlled according to the supply voltage and is connected with port corresponding in output end. It is connected in this way, controlling the input terminal in the four-way switch 8 by the controller 5 with port corresponding in output end, energy It is enough to realize by electrolytic chamber's access electrolysis circuit of different number, to complete to make all or part of electricity for different electrical power voltage Solve the process that cell participates in electrolytic hydrogen production.Preferably, whenWithCalculated result be non-integer when, with right The value that its calculated result obtains after rounding up is as the bipolar plates connecting with the four-way switch 8.
During carrying out water electrolysis hydrogen production using the electrolysis unit that present embodiment provides, electric current is from the power supply 6 anode outflow after, first pass around the four-way switch 8, from a certain bipolar plates 2 contact or the second end pole plate 4 stream Enter, then by electrolytic chamber some or all of in electrolytic cell 9, after the power supply 6 is flowed back to after the first end pole plate 1 Cathode.Wherein, show to participate in reacting when the input terminal in the four-way switch 8 is connected with the first port (1) in output end Electrolytic chamber's minimum number, correspondingly, the 4th port (4) conducting in input terminal and output end in the four-way switch 8 When show that electrolytic chamber whole in the electrolytic cell 9 both participates in reaction (the electrolytic chamber quantity for participating in reaction is maximum).Ginseng It is fewer with the electrolytic chamber's quantity reacted, then show that power input is smaller compared to the maximum acceptable input power of electrolytic cell.Generally In the case of, power input power, which is respectively less than electrolytic cell, can receive rated power.
Attached drawing 2 is the structural schematic diagram that valve is unidirectionally hindered back in specific embodiment of the present invention.It is anti-in order to collect electrolysis The hydrogen that should be generated generally is respectively arranged with hydrogen outlet side and oxygen outlet side in electrolytic chamber.Electricity is participated in order to prevent The hydrogen generated in the electrolytic chamber of reaction is solved to be back in the electrolytic chamber for having neither part nor lot in cell reaction and occur to be electrolysed back reaction, It preferably, as shown in Figure 1, 2, further include being set to unidirectionally hindering back for electrolytic chamber's hydrogen outlet side in the electrolytic cell 9 Valve 3.The setting for unidirectionally hindering back valve 3, can further increase the hydrogen output of unit energy, realize the maximization acquisition of hydrogen.
The electrolysis unit that present embodiment provides, selectivity connects and the testing result to input power power Enter partial electrolyte slot and enter circuit loop, in the case where excessively not increasing production cost, effectively realizes hydrogen production plant by water electrolysis To the adaptability of wave motion input power supply, efficiency of energy utilization is improved, while being renewable energy (such as wind energy, solar energy, tide Can be equal) collection, storage and transport solution is provided.
Embodiment 1
Maximum gas production is 1Nm3Electrolytic cell (system is about 5kw) altogether contain 50 electrolytic chamber, pole plate (all pole plates Count) quantity be 51 pieces.According to the design (referring to Fig.1) of the present embodiment, first end pole plate 1 is connected to renewable energy The cathode of power supply 6;Second end pole plate 4 is connected to the 4th port (4) of four-way switch 8;51/4th piece of bipolar plates (calculated result For non-integer, round up to its calculated result, i.e., the 13rd piece of bipolar plates since first end pole plate 1) it is connected to four tunnels The first port (1) of switch 8;51/2nd piece of bipolar plates (calculated result is non-integer, is rounded up to its calculated result, The 26th piece of bipolar plates i.e. since first end pole plate 1) it is connected to the second port (2) of four-way switch 8;51*3/4 block bipolar plates (calculated result is non-integer, is rounded up to its calculated result, i.e., the 39th piece of bipolar plates since first end pole plate 1) connects It is connected to the third port (3) of four-way switch 8;The input terminal of four-way switch 8 is connected to the anode of renewable energy source current 6;Control Device 5 is in parallel with renewable energy source current 6, and connect with the control terminal of four-way switch 8, for detecting renewable energy source current 6 Supply voltage.Corresponding electrolysis system capacity can be divided into 5 gears according to present embodiment electrolysis unit current setting: system is closed (disconnection of four-way switch 8), 1.3kW mode (input terminal in four-way switch is connected with the first port in output end), 2.6kW mould Formula (input terminal in four-way switch is connected with the second port in output end), 3.9kW mode (input terminal in four-way switch with In output end third port conducting) and 5kW mode (lead the 4th port in the input terminal and output end in four-way switch It is logical).
It is illustrated so that the electrolysis unit in the present embodiment is coupled with 5kW photovoltaic array as an example.Before sun rise, photovoltaic Array does not work, input power zero, and the device of the present embodiment is in system off state at this time;After the sun rises (such as 6am-8am), photovoltaic array is started to work, but illumination incident angle is big at this time, and light ray radiation intensity is not high, and photovoltaic array is defeated Power is small (such as 1kW) out.The present embodiment electrolysis unit is input to by DC/DC converter built in photovoltaic system and by controller 5 collect, and controller 5 is controlled according to the input power (or voltage) of power supply 6 at this time in the input terminal and output end of four-way switch 8 First port (1) conducting.So far, the present embodiment electrolysis unit works in 1.3kW mode.When the sun continues to rise (8am- 10am), illumination incident angle reduces, light ray radiation enhanced strength, and photovoltaic array output power increases (such as 2.2kW).This electricity The variation of source power is monitor by the controller 5 in the present embodiment electrolysis unit always, (the ratio when its value reaches preset threshold value Such as >=1.95kW), control second port (2) conducting in the input terminal and output end of four-way switch 8.As the sun rises (10am-11am) illumination incidence angle continues to reduce, and light ray radiation intensity continues growing, and the output power of photovoltaic array also continues Increase (3.5kW), the present embodiment electrolysis unit will run on 3.9kW mode (the i.e. input terminal and output end of four-way switch 8 at this time In third port (3) conducting).When high noon (11am-1pm) arrives, direct sunlight is in photovoltaic array, and photovoltaic array exports at this time Its peak value 5kW, corresponding the present embodiment electrolysis unit also run on peak value (5kW) mode (i.e. the input terminal of four-way switch 8 with it is defeated The 4th port (4) conducting in outlet).Similarly, served as it is afternoon, with the decrease of light ray radiation intensity, photovoltaic array it is defeated Power is gradually reduced out, and the present embodiment electrolysis unit also regulates and controls its access electricity according to the fluctuation of corresponding renewable energy source current 6 Electrolytic chamber's quantity in road circuit.
It should be pointed out that electrolysis unit is not linear change as described in Example 1, the electricity in present embodiment Solution device gives corresponding power system capacity (i.e. the port of four-way switch connects) according to the fluctuation of supply voltage to ensure this tool Body embodiment electrolysis unit is in always on the capacity of optimization, to provide maximum system efficiency.As previously mentioned, this is specific Embodiment highlights the structure and design of a kind of variable capacity electrolysis unit, wherein four-way switch and 5kW power system capacity Design is not fixed design, can be adjusted according to actual needs.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art Art personnel can also make several improvements and modifications without departing from the principle of this utility model, these improvements and modifications Also it should be regarded as the protection scope of the utility model.

Claims (2)

1. a kind of electrolysis unit, which is characterized in that including electrolytic cell, power supply, controller and four-way switch;Wherein:
The four-way switch, input terminal connects the anode of the power supply, control terminal connects the controller, output end has the Single port, second port, third port and the 4th port;
The electrolytic cell, it is in series by multiple pole plates, an electrolytic chamber is constituted between two neighboring pole plate;
And the multiple pole plate includes: first end pole plate, is set to one end of the electrolytic cell, and connects the negative of the power supply Pole;Second end pole plate, the other end that is set to the electrolytic cell opposite with the first end pole plate, and with the 4th port Connection;N number of bipolar plates, N number of bipolar plates are spacedly distributed between the first end pole plate and the second end pole plate;TheA bipolar plates are connect by contact with the first port, theA bipolar plates are connected by contact and the second port Connect,A bipolar plates are connect by contact with the third port;Wherein, N is positive integer;
The controller controls the input terminal in the four-way switch for detecting supply voltage, and according to the supply voltage Port conducting corresponding with output end.
2. electrolysis unit according to claim 1, which is characterized in that further include being set to the electrolysis in the electrolytic cell Cell hydrogen outlet side unidirectionally hinders back valve.
CN201820120226.9U 2018-01-24 2018-01-24 Electrolysis unit Active CN208395285U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820120226.9U CN208395285U (en) 2018-01-24 2018-01-24 Electrolysis unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820120226.9U CN208395285U (en) 2018-01-24 2018-01-24 Electrolysis unit

Publications (1)

Publication Number Publication Date
CN208395285U true CN208395285U (en) 2019-01-18

Family

ID=65065764

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820120226.9U Active CN208395285U (en) 2018-01-24 2018-01-24 Electrolysis unit

Country Status (1)

Country Link
CN (1) CN208395285U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111826673A (en) * 2020-08-07 2020-10-27 阳光电源股份有限公司 Water electrolysis hydrogen production system based on renewable energy and control method thereof
CN111945178A (en) * 2020-08-07 2020-11-17 涓ュ己 Off-grid type electrolytic cell structure and electrode control method
CN111962092A (en) * 2020-08-17 2020-11-20 涓ュ己 Off-grid independent electrolytic cell structure and electrode control method
CN112647088A (en) * 2020-08-05 2021-04-13 严强 Off-grid electrolysis control structure and mode
CN113337840A (en) * 2020-04-13 2021-09-03 严强 Off-grid electrolysis control method and structure independent of power grid
WO2021223570A1 (en) * 2020-05-02 2021-11-11 Gu Shiping Energy storage, carbon sequestration and new energy cycle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113337840A (en) * 2020-04-13 2021-09-03 严强 Off-grid electrolysis control method and structure independent of power grid
WO2021208524A1 (en) * 2020-04-13 2021-10-21 严强 Off-grid electrolysis control method and structure independent of power grid
WO2021223570A1 (en) * 2020-05-02 2021-11-11 Gu Shiping Energy storage, carbon sequestration and new energy cycle
CN112647088A (en) * 2020-08-05 2021-04-13 严强 Off-grid electrolysis control structure and mode
CN111945178A (en) * 2020-08-07 2020-11-17 涓ュ己 Off-grid type electrolytic cell structure and electrode control method
CN111826673A (en) * 2020-08-07 2020-10-27 阳光电源股份有限公司 Water electrolysis hydrogen production system based on renewable energy and control method thereof
CN111962092A (en) * 2020-08-17 2020-11-20 涓ュ己 Off-grid independent electrolytic cell structure and electrode control method

Similar Documents

Publication Publication Date Title
CN208395285U (en) Electrolysis unit
CN101427066B (en) Photovoltaic decomposition system and operation method, method for decomposing water to produce hydrogen
CN103296739B (en) Combined power supply system device combining solar photovoltaic and photothermal
CN105576273B (en) A kind of Reversible Cycle green energy resource converting system and conversion method
CN201549546U (en) Columnar flow battery device
CN208414564U (en) A kind of solar energy electrolyzing water hydrogen generating system
CN108411325A (en) A kind of solar energy electrolyzing water hydrogen generating system
CN103199561A (en) Wind-light-hydrogen complementary grid-connection power station based on fuel cells, wind energy and solar energy
CN109921060A (en) A kind of system and method for storage and preparing synthetic gas based on solid oxide cell
CN105154907A (en) System and method for preparing oxygen by electrolyzing water based on solid oxide electrolyte
CN101565832A (en) Water electrolysis hydrogen production system for solar battery
CN110690855A (en) Energy system of novel net zero energy consumption building based on hydrogen energy storage
CN108486596A (en) A kind of wind-powered electricity generation water electrolysis hydrogen production system
CN208395286U (en) A kind of wind-powered electricity generation water electrolysis hydrogen production system
CN108418202B (en) Renewable energy-based circulating power generation system
CN205024329U (en) Electrolysis water preparing oxygen system based on solid oxide electrolyte
CN206692745U (en) Electrolysis unit
Friberg A photovoltaic solar-hydrogen power plant for rural electrification in India. Part 1: a general survey of technologies applicable within the solar-hydrogen concept
AU2008291700A1 (en) Hydrogen production by the solar driven electrolysis of sulfurous acid
CN203180547U (en) Wind, light and hydrogen complementation grid connection type power station based on fuel cell, wind energy and solar energy
CN205299334U (en) Street lamp
CN208748209U (en) Device for preparing hydrogen under a kind of wide power of wind energy
CN107346830B (en) Flow battery control method and device and flow battery
Yu et al. Water electrolysis based on renewable energy for hydrogen production
CN215646333U (en) Multi-energy complementary intelligent off-grid power supply system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant