CN202076373U - Novel fuel battery electric generator - Google Patents
Novel fuel battery electric generator Download PDFInfo
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- CN202076373U CN202076373U CN201120082486XU CN201120082486U CN202076373U CN 202076373 U CN202076373 U CN 202076373U CN 201120082486X U CN201120082486X U CN 201120082486XU CN 201120082486 U CN201120082486 U CN 201120082486U CN 202076373 U CN202076373 U CN 202076373U
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- fuel cell
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- fuel battery
- negative electrode
- power supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model discloses a novel fuel battery electric generator which is composed of a fuel battery galvanic pile (1), an axial fan (2), an anode batch exhausting electromagnetic valve (4), a direct current (DC) to DC power source (3) and a valve control circuit board (5); the positive end of the fuel battery galvanic pile (1) is connected with the anode batch exhausting electromagnetic valve (4) through an air pipe (7), the negative end of the fuel battery galvanic pile (1) is connected with the DC to DC power source (3), one end of the DC to DC power source (3) is connected with the anode batch exhausting electromagnetic valve (4) through an electric wire (8), and the other end of the DC to DC power source (3) is connected with the axial fan (2) through the electric wire (8). The novel fuel battery electric generator is characterized in that the fuel battery galvanic pile (1) consists of a fuel battery (10), a carbon plate (end plate 11) and a collector plate (12), and the fuel battery (10) is formed by fastening multiple single bodies in series. The promotion and application of the technique has a significant social meaning to remit the tension of power supply and reduce the discharging of carbon dioxide (CO2).
Description
Technical field
The utility model belongs to technical field of new energies, relates to a kind of electric generator using fuel battery with proton exchange membrane of practicability.
Background technology
Fuel cell is a kind of uninterruptable power generation device that the chemical energy in fuel and the oxidant can be changed into electric energy by electrochemical reaction.At present application prospect the most extensively and to develop ripely relatively be that (Proton Exchange Membrane Fuel Cell PEMFC), is designated hereinafter simply as fuel cell to Proton Exchange Membrane Fuel Cells.The core component of this device is membrane electrode (Membrane Electrode Assembly, MEA), membrane electrode is made up of the Catalytic Layer (adopting the preparation of Pt/C catalyst and ion conductor usually) and the diffusion layer (as carbon paper, wire netting etc.) of a slice ion exchange polymer film, the combination of film two sides.
Fuel cell comes down to the open energy conversion device of a kind of electricity, heat, water three coproduction, is similar to internal combustion engine on the working method, and is similar to chemical power source on the operation principle.Fuel cell also will discharge a large amount of used heat when producing electric energy, waste thermal energy that is produced and electric energy ratio are near 1:1.Therefore, PEMFC also must keep normal working temperature by suitable heat dissipation design in generating, otherwise the too high meeting of pile internal temperature causes the inefficacy of fuel cell, even causes danger.The radiating mode of PEMFC adopts two kinds of water cooling and air cooling methods usually.Water cooling is taken the used heat in the battery out of by cooling water, by external heat-exchanging heat is taken away again, and the cooling water after the cooling is recirculated into battery; The air cooling method is to take away used heat by pile that normal temperature air is forced to flow through, and concrete heat dissipation design depends on the watt level of fuel cell.
At a certain temperature, the conductivity of proton exchange membrane directly depends on water content (λ=molal quantity [H
2O]/molal quantity [SO
3H]), they are almost proportional.In the fuel cell power generation process, need carry out Effective water management to PEMFC, the water content of keeping in the film makes its maintenance moistening fully, reduces the internal resistance of cell, and this is most important for optimizing battery performance.Traditional fuel cell humidifying technology is mainly active humidification mode, promptly provides the water source from the external world.Humidifying method can be divided into outer humidification and interior humidification two classes by the integrated tightness degree with battery pile: outer humidification is that humidification subsystem and battery are separated, and carries out humidification before reacting gas enters battery; Interior humidification is that humidification subsystem and battery are become one, and carries out humidification after reacting gas enters battery.Though the humidification subsystem of fuel cell can make proton exchange membrane keep good moisture state effectively, brought many difficulties also for its commercial applications: the one, increased the cost of electricity generation system; The 2nd, make electricity generation system become more complicated, practicality is very poor; The 3rd, introduced two phase flow and made stability of a system variation.Traditional fuel cell needs to control meticulously the operating modes such as purity, operating temperature, operating pressure and gas humidity of hydrogen fuel in power generation process, fuel cell generation complexity, cost costliness have been caused, compare with conventional power source, cost performance is relatively poor, and practicality is not strong.In a word, complicated fuel cell generation can not accepted by the user, make its industrialization, just must develop to simple light direction.At present, fuel cell technology develops towards the normal pressure air feed with from the humidification direction from high pressure, humidification, and air cooling, the self-humidifying fuel cell technology of a new generation are expected to realize the simplification greatly of operating system, and may reduce cost widely.
Summary of the invention
At above deficiency, the purpose of this utility model is to provide a kind of new fuel cell generator, and its fuel cell adopts self-humidifying composite proton exchange film to act as a fuel as electrolyte membrance, general hydrogen; Fuel battery negative pole adopts the open architecture design that connects with air, and oxidant and cooling agent unite two into one; Anode of fuel cell adopts step exhaust emissions method; This generator need not to carry out complicated heat management and reacting gas is carried out humidification in power generation process, has simplified system configuration widely, and improve specific power, and reduced cost, be the very strong new fuel cell generator of a kind of practicality.
The technical solution of the utility model realizes in the following manner: a kind of new fuel cell generator, by fuel cell pile, aerofoil fan, anode batch (-type) exhaust solenoid valve, formation such as DC-DC power supply and control circuit board, the positive terminal of fuel cell pile is connected with anode batch (-type) exhaust solenoid valve by tracheae, negative pole is connected with DC-DC power supply, be connected with DC-DC power supply between the both positive and negative polarity of fuel cell pile, one end of DC-DC power supply and anode batch (-type) exhaust solenoid valve, the other end is connected on the aerofoil fan by electric wire, it is characterized in that: described fuel cell pile is by the fastening fuel cell that forms of several individual fuel cells series connection, carbon plate, collector plate is formed, and carbon plate adopts hydrostatic pressure machine and the mould that has the flow field that graphite powder and resin compound mold pressing are formed.
Described each individual fuel cells includes anode, seal, membrane electrode, negative electrode, Catalytic Layer, the multi-functional layer of dense micro-hole, gas diffusion layers and runner layer, between anode and negative electrode, be provided with seal and membrane electrode, be provided with the open a plurality of runners that connect with air in the negative electrode, between the gas diffusion layers on negative electrode top and Catalytic Layer, insert the multi-functional layer of dense micro-hole of ventilative water conservation.
Described carbon plate is that graphite powder and resin compound mold pressing form.
Electrolyte in the described membrane electrode adopts self-humidifying composite proton exchange film, and the control thickness is less than 25 microns.
The utility model adopts general hydrogen to act as a fuel, and generating efficiency can reach more than 50%, and power density reaches 300mW/cm
2More than, realize zero discharge.Applying of this technology to alleviating power supply shortage and reducing CO
2Discharging has important social effect.
Description of drawings
Fig. 1 is the process schematic representation of embodiment 1 of the present utility model.
Fig. 2 is the process schematic representation of embodiment 2.
Fig. 3 is the fuel cell pile structural representation.
Fig. 4 is the fuel cell structural representation.
Embodiment
Embodiment 1:
A kind of new fuel cell generator, constitute by fuel cell pile 1, aerofoil fan 2, anode batch (-type) exhaust solenoid valve 4, DC-DC power supply 3, valve control circuit plate 5, fan governor 6, electric wire 8 and tracheae 7 etc., the positive terminal of fuel cell pile 1 is connected with anode batch (-type) exhaust solenoid valve 4 by tracheae 7, negative pole is connected with DC-DC power supply 3, be connected with DC-DC power supply 3 between the both positive and negative polarity of fuel cell pile 1, one end of DC-DC power supply 3 is connected valve control circuit plate 5, and the other end is connected on the aerofoil fan 2 by electric wire 8.
When feeding hydrogen for fuel cell pile 1, anode one side that hydrogen enters battery cell through distribution duct, electronegative electron accumulation has appearred in the battery cell anode, thereby has become an electronegative terminal (negative pole).Meanwhile, the cathod catalyst of the battery cell that connects with atmosphere becomes the oxygen molecule catalytic action into oxonium ion, make negative electrode short of electricity become the terminal (positive pole) of positively charged, its result has produced a voltage between the positively charged end of the electronegative end of anode and negative electrode.The stack that the series connection of battery cell just can obtain voltage forms higher pile output end voltage.
Supply with 6 pairs of aerofoil fans of fan governor 2 after few part process DC-DC power supply (DC/DC) 3 voltage stabilizings of fuel cell pile ⑴ electric energy and carry out rotating speed control, aerofoil fan 2 control air mass flows satisfy the reaction and the radiating requirements of battery, for the electric generator using fuel battery electrochemical reaction provides sufficient oxygen, and take away whole used heat that electrochemical reaction produces, realize output near the rated power under the constant temperature.To produce a large amount of aqueous waters in the fuel cell power generation process, by adopting aqueous vapor separation layer and preserving moisture technology and air cooling design certainly, the aqueous water that negative electrode produces can be preserved most ofly, and under the effect of pressure reduction and concentration difference, anode is transmitted automatically, satisfies proton from anode demand to hydrone to the negative electrode conductive process.When anode of fuel cell has too much steam or inert gas, DC-DC power supply in the electric generator using fuel battery (DC/DC) 3 is to valve control circuit plate 5 supply of electrical energy, valve control circuit plate 5 follow procedures are set control automatically and are opened anode batch (-type) exhaust solenoid valve 4 through too much steam or the inert gas of tracheae 7 dischargings, automatically close after the of short duration discharging, realize the exhaust of anode batch (-type).
Embodiment 2:
A kind of new fuel cell generator, by fuel cell pile 1, aerofoil fan 2, anode batch (-type) exhaust solenoid valve 4, DC-DC power supply 3, controller 9, formations such as electric wire 8 and tracheae 7, the positive terminal of fuel cell pile 1 is connected with anode batch (-type) exhaust solenoid valve 4 by tracheae 7, negative pole is connected with DC-DC power supply 3, be connected with DC-DC power supply 3 between the both positive and negative polarity of fuel cell pile 1, the output of DC-DC power supply 3 is connected on the controller 9, and controller 9 is connected with anode batch (-type) exhaust solenoid valve 4 with aerofoil fan 2 respectively by electric wire 8.
When electric generator using fuel battery valve control circuit plate 5 and fan governor 6 unite two into one when being integrated into not only the Control Shaft flow fan but also controlling the controller 9 of electromagnetically operated valve action, supply with controller 9 after the DC-DC power supply of electric generator using fuel battery (DC/DC) 3 voltage stabilizings, 9 pairs of aerofoil fans 2 of controller and anode batch (-type) exhaust solenoid valve 4 are controlled simultaneously.The air mass flow of 9 pairs of aerofoil fans 2 of controller is controlled, satisfy the reaction and the radiating requirements of battery, for the electric generator using fuel battery electrochemical reaction provides sufficient oxygen, and take away whole used heat that electrochemical reaction produces, realize output near the rated power under the constant temperature.When fuel cell pile 1 anode has too much steam or inert gas, controller 9 follow procedures are set control automatically and are opened anode batch (-type) exhaust solenoid valve 4 through too much steam or the inert gas of tracheae 7 dischargings, automatically close after the of short duration discharging, realize the exhaust of anode batch (-type).
Know by Fig. 3, the electric generator using fuel battery with proton exchange membrane of a kind of practicability that the utility model provides, fuel cell pile 1 is by fastening the forming of multi-disc fuel cell 10 series connection, and fuel cell pile 1 is made up of a plurality of fuel cells 10, carbon plate 11 and collector plate 11.Carbon plate 11 adopts hydrostatic pressure machine and the mould that has the flow field that graphite powder and resin compound mold pressing are formed.
Know by Fig. 4, fuel cell 10 is by comprising anode 10-1, seal 10-2, membrane electrode 10-3, negative electrode 10-4, Catalytic Layer 10-8, multi-functional layer 10-7, gas diffusion layers 10-6 and runner 10-5, between anode 10-1 and negative electrode 10-4, be provided with seal 10-2 and membrane electrode 10-3, be provided with the open a plurality of runner 10-5 that connect with air in the negative electrode 10-4; Between the gas diffusion layers 10-6 on negative electrode 10-4 top and Catalytic Layer 10-8, insert the multi-functional layer of the dense micro-hole 10-7 of ventilative water conservation, anode catalyst layer adopts perfluorinated sulfonic acid solution and Pt-Ru/C Preparation of Catalyst to form, and cathode catalysis layer adopts perfluorinated sulfonic acid solution and Pt/C Preparation of Catalyst to form.
Electrolyte among the membrane electrode 10-3 adopts self-humidifying composite proton exchange film, and the control thickness is less than 25 microns.
The utility model, system is simple, and auxiliary accessories is few, and system does not contain secondary cell, and is with low cost.Feed hydrogen, pile just can start immediately.When generator small-power output electric energy, open negative electrode relies on oxygen concentration difference motive force, the airborne oxygen generation of zero-power ground Self-breathing electrochemical reaction, output electric energy; When the high-power output of pile, rely on self electric power drive aerofoil fan by the pile cathode flow channels from supplying a large amount of air, fully satisfy electrochemical reaction to the demand of oxygen and take away total overall reaction used heat, keep the stable electric generation of pile.
The utility model electric generator using fuel battery can use general hydrogen to act as a fuel.Because the Pt-Ru/C catalyst that anode of fuel cell adopts anti-CO to poison so electric generator using fuel battery can avoid using high-purity hydrogen, and directly uses general hydrogen, reduce the use cost of electric generator using fuel battery.
The utility model can be realized generating electricity from humidification of broad power band.In the electrochemistry power generation process, need not to carry out complicated heat management and reacting gas is carried out pre-humidifying, simplified system configuration widely, improved system's specific power (265W/kg, 211W/L), and reduced cost, be the very strong generation of electricity by new energy machine of a kind of practicality.
Fuel cell pack is the core of this novel electricity generator, can connect (series connection) by several battery cells and form, and fuel cell adopts self-humidifying composite proton exchange film as electrolyte membrance in the utility model; Fuel battery negative pole adopts the open architecture design that connects with air, and oxidant and cooling agent unite two into one; The anode of fuel cell adopts step exhaust emissions method; Fuel cell adopts general hydrogen to act as a fuel.
When feeding hydrogen to electric generator using fuel battery, hydrogen enters anode one side of each battery cell, is dissociated into proton and electronics under the effect of anode catalyst, and proton is with hydration form H
+. (nH
2O) in proton exchange membrane from a sulfonic group (SO
3H) cluster is transferred to another sulfonic group cluster, arrives cathode side at last, realizes proton conductive.This migration of proton causes the battery cell anode electronegative electron accumulation to occur, thereby has become an electronegative terminal (negative pole).Meanwhile, the cathod catalyst of the battery cell that connects with atmosphere becomes the oxygen molecule catalytic action into oxonium ion, make negative electrode short of electricity become the terminal (positive pole) of positively charged, its result has produced a voltage between the positively charged end of the electronegative end of anode and negative electrode.The stack that the series connection of battery cell just can obtain voltage forms higher pile output end voltage.The supply shaft flow fan uses after few part process DC/DC voltage stabilizing of this electric energy, the aerofoil fan running is to the cathode flow channels or a large amount of air of coolant flow channel supply of battery cell, for the generator electrochemical reaction provides sufficient oxygen, and take away whole used heat that electrochemical reaction produces, realize output near the rated power under the constant temperature.To produce a large amount of aqueous waters in the fuel cell power generation process, the utility model is by adopting aqueous vapor separation layer and preserving moisture technology and air cooling design certainly, the aqueous water that negative electrode produces can be preserved most ofly, satisfy proton from anode demand to hydrone to the negative electrode conductive process.When anode of fuel cell had too much steam or inert gas, electric generator using fuel battery control was automatically opened the exhaust emissions electromagnetically operated valve, closes automatically after the of short duration discharging, realized the exhaust of anode batch (-type).The action of electric generator using fuel battery control circuit board difference Control Shaft flow fan and electromagnetically operated valve.
The utility model electric generator using fuel battery system is simple, and auxiliary accessories is few, and system does not contain accessory power supplys such as secondary cell, and is with low cost.The good effect of operation stability and fuel availability.
Claims (3)
1. new fuel cell generator, by fuel cell pile (1), aerofoil fan (2), anode batch (-type) exhaust solenoid valve (4), DC-DC power supply (3) and valve control circuit plate formations such as (5), the positive terminal of fuel cell pile (1) is connected with anode batch (-type) exhaust solenoid valve (4) by tracheae (7), negative pole is connected with DC-DC power supply (3), one end of DC-DC power supply (3) and anode batch (-type) exhaust solenoid valve (4), the other end is connected on it by electric wire (8) with aerofoil fan (2), it is characterized in that: described fuel cell pile (1) is by several monomer series-connected fastening fuel cells that forms (10), carbon plate (11), collector plate (12) is formed.
2. a kind of new fuel cell generator according to claim 1, it is characterized in that: described each individual fuel cells (10) includes anode (10-1), seal (10-2), membrane electrode (10-3), negative electrode (10-4), Catalytic Layer (10-8), multi-functional layer (10-7), gas diffusion layers (10-6) and runner (10-5), between anode (10-1) and negative electrode (10-4), be provided with seal (10-2) and membrane electrode (10-3), be provided with the open a plurality of runners (10-5) that connect with air in the negative electrode (10-4); Between the gas diffusion layers (10-6) on negative electrode (10-4) top and Catalytic Layer (10-8), insert the multi-functional layer of dense micro-hole (10-7) of ventilative water conservation.
3. a kind of new fuel cell generator according to claim 2 is characterized in that: the electrolyte in the described membrane electrode (10-3) adopts self-humidifying composite proton exchange film, and the control thickness is less than 25 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120082486XU CN202076373U (en) | 2011-03-25 | 2011-03-25 | Novel fuel battery electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120082486XU CN202076373U (en) | 2011-03-25 | 2011-03-25 | Novel fuel battery electric generator |
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|---|---|
| CN202076373U true CN202076373U (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120082486XU Expired - Fee Related CN202076373U (en) | 2011-03-25 | 2011-03-25 | Novel fuel battery electric generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142574A (en) * | 2011-02-25 | 2011-08-03 | 江苏冰城电材股份有限公司 | Practical proton exchange membrane fuel cell generator |
| CN103633355A (en) * | 2013-12-19 | 2014-03-12 | 济南开发区星火科学技术研究院 | Proton exchange membrane fuel cell by use of air |
-
2011
- 2011-03-25 CN CN201120082486XU patent/CN202076373U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142574A (en) * | 2011-02-25 | 2011-08-03 | 江苏冰城电材股份有限公司 | Practical proton exchange membrane fuel cell generator |
| CN103633355A (en) * | 2013-12-19 | 2014-03-12 | 济南开发区星火科学技术研究院 | Proton exchange membrane fuel cell by use of air |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU ICE-CITY HYDROGEN ENERGY TECHNOLOGY CO., L Free format text: FORMER OWNER: JIANGSU BINGCHENG ELECTRICAL MATERIAL CO., LTD. Effective date: 20150119 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Hao Inventor after: Zhu Aicheng Inventor after: Wang Cheng Inventor after: Dong Wenchao Inventor before: Zhu Hao Inventor before: Zhu Aicheng Inventor before: Wang Cheng Inventor before: Liu Faxi Inventor before: Dong Wenchao |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHU HAO ZHU AICHENG WANG CHENG LIU FAXI DONG WENCHAO TO: ZHU HAO ZHU AICHENG WANG CHENG DONG WENCHAO |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150119 Address after: 212323 Zhenjiang City, Jiangsu province Danyang City Qingfeng road Yunyang Street South Patentee after: Jiangsu City Hydrogen Energy Technology Co. Ltd. Address before: 212323 Zhenjiang City, Jiangsu province Danyang City Jiepai Town Street No. 9 Patentee before: Jiangsu Bingcheng Electrical Material Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20200325 |