CN1309113C - Fuel battery using normal pressure air as oxidant and radiation agent - Google Patents
Fuel battery using normal pressure air as oxidant and radiation agent Download PDFInfo
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- CN1309113C CN1309113C CNB021453772A CN02145377A CN1309113C CN 1309113 C CN1309113 C CN 1309113C CN B021453772 A CNB021453772 A CN B021453772A CN 02145377 A CN02145377 A CN 02145377A CN 1309113 C CN1309113 C CN 1309113C
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- fuel cell
- blower fan
- air
- oxidant
- guiding plate
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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 present invention relates to a fuel battery using normal pressure air as an oxidant and a coolant, which comprises a fuel battery pile, a plurality of blower fans, and a plurality of suction fans, wherein the fuel battery pile comprises proton-exchange membrane electrodes, airflow guiding plates, and hydrogen flow guiding plates; the hydrogen flow guiding plate is provided with a plurality of flow guiding slots which are in a wave shape; each flow guiding slot directly passes through the airflow guiding plate from one side to the other side; after multiple of the airflow guiding plates, the proton exchange membranes, the hydrogen flow guiding plate are overlapped, one entire side of the fuel battery pile forms an air inlet, and the other side forms an air outlet; the blower fans are arranged in the air inlet position of the fuel battery pile; the suction fans are arranged in the air outlet position of the fuel battery pile. Compared with the prior art, the present invention has the advantages of simple structure, low equipment cost, low operation cost, energy saving, etc.
Description
Technical field
The present invention relates to fuel cell, relate in particular to a kind of fuel cell that utilizes atmospheric air as oxidant and coolant.
Background technology
Proton Exchange Membrane Fuel Cells can be used as the dynamical system of delivery vehicles such as car, ship, can make portable, portable, fixed Blast Furnace Top Gas Recovery Turbine Unit (TRT) again.
It is fuel that Proton Exchange Membrane Fuel Cells generally adopts hydrogen, and air is an oxidant.Generally speaking, the fuel cell peripheral auxiliary equipment must make hydrogen or force air flow at fuel battery inside, fuel hydrogen gas and airborne oxygen can be diffused into effectively electrochemical reaction takes place in the reaction zone in electrode two sides, and flow air also helps taking the water that the fuel battery inside electrochemical reaction generates out of fuel cell fast.
Air is produced at fuel battery inside to be forced to flow fast, must adopt a kind of air pressure pump, this air pressure pump can produce the compressed air that is much higher than natural air pressure and flow to into fuel cell, and the resistance that can overcome in the water conservancy diversion field of fuel battery inside comes out from fuel cell.In addition, adopt air, the hydrogen of elevated pressures to come fuel cell operation, electrode operating current in the fuel cell often can reach every square centimeter hundreds of milliamperes, the heat energy of fuel battery inside generation is also very big like this, in general must adopt cooling fluid, in the fuel battery inside forced flow, driving again by water pump, an outside radiator of process looses heat walk as cooling water.
So general Proton Exchange Membrane Fuel Cells has following characteristics now:
(1) in order to promote fuel hydrogen, airborne oxygen to accelerate diffusion in fuel cell electrode two sides, often the water conservancy diversion field on the fuel cell deflector is designed to snakelike shape, makes the fluid collision of turning round repeatedly in the water conservancy diversion field, water conservancy diversion field convection cell has certain resistance.
(2), and improve the working current density of fuel cell electrode in order to overcome the resistance in the water conservancy diversion field, must be with an air compression conveying device, the air of compressive state is conveyed into fuel cell, and can takes the water of fuel cell generation out of fuel cell.
(3) because the working current density of fuel cell electrode is bigger, the heat energy that fuel battery inside produces is also bigger, must adopt the cooling fluid pump, make cooling fluid in the fuel battery inside forced flow, the radiator of heat energy being taken out of fuel cell and process outside looses heat walk.
The above-mentioned technology of generally carrying out Proton Exchange Membrane Fuel Cells in the world has following defective:
(1) fuel cell must have outside auxiliary operational outfit, as air compression conveying device (for example: air pump, water pump, radiator etc.), these auxiliary existence that are equipped with have increased the complexity of fuel cell system greatly, and the power density of whole system is reduced.
(2) air compression plant, more expensive as prices such as air pump, water pumps, be unfavorable for the extensive industrialization of fuel cell generation.
(3) air compression plant as the existence of air pump, water pump etc., increases the power consumption of whole fuel cell generation, and the power consumption that the decrease in efficiency of whole generating system, particularly compressed air pump produce is bigger.
Summary of the invention
Purpose of the present invention be exactly provide in order to overcome the defective that above-mentioned prior art exists a kind of simple in structure, equipment cost and operating cost low, energy-conservation utilize the fuel cell of atmospheric air as oxidant and coolant.
Purpose of the present invention can be achieved through the following technical solutions: a kind of fuel cell that utilizes atmospheric air as oxidant and coolant, comprise fuel cell pack, this fuel cell pack is made up of many Battery packs unit, every Battery pack unit comprises a proton exchange membrane electrode again, an and airflow guiding plate that is arranged on these proton exchange membrane electrode both sides, one hydrogen flow guiding plate, it is characterized in that, described airflow guiding plate is provided with many guiding gutters, this guiding gutter undulate, and each guiding gutter all from a side of airflow guiding plate directly through opposite side, at polylith airflow guiding plate, proton exchange membrane, after the stack of hydrogen flow guiding plate, one side of whole fuel cell pack forms air intake, and opposite side forms air outlet slit; Also comprise a plurality of blower fans, a plurality of blower fan, described blower fan is located at the air intake place of fuel cell pack, and described blower fan is located at the air outlet slit place of fuel cell pack.
Described many waveform guiding gutters are uniformly-spaced setting.
Described many waveform guiding gutters are the longitudinal separation setting, and at the upside formation air intake of whole fuel cell pack, downside forms air outlet slit.
Described blower fan is located at the upside air intake place of fuel cell pack, and described blower fan is located at the lower air exit of fuel cell pack.
Also comprise two groups of hydrogen storage material bottles, these two groups of hydrogen storage material bottles are located at the outside of blower fan and blower fan respectively.
Described two groups of hydrogen storage material bottles are located at the upside and the downside of blower fan and blower fan respectively.
The present invention has overcome the technological deficiency of the existing Proton Exchange Membrane Fuel Cells of generally carrying out, and it is that a kind of atmospheric air that utilizes is oxidant, the fuel cell that utilizes atmospheric air to dispel the heat simultaneously.Therefore, it can reduce equipment cost and operating cost greatly, simultaneously, makes the structure of fuel cell become simple more, reasonable again, also has remarkable energy saving effect.
Fuel cell pack in the fuel cell of the present invention is an offset flat shape, and atmospheric air just can pass air conducting field on the every baffler in the fuel cell pack at an easy rate by common blower fan and blower fan; For the resistance that air can be overcome in the water conservancy diversion field passes the water conservancy diversion field, but utilize airborne oxygen to spread to the electrode air side, baffler is contrasted and is designed especially on the one hand, baffler air side (airflow guiding plate) air conducting field is made up of many parallel air conducting grooves, every air conducting groove is waviness all, mainly be that atmospheric air can be passed freely through, but can when passing, produce the part Turbulence Flow, accelerating airborne oxygen spreads in (film) electrode, and every guiding gutter all is that a side from baffler is directly through opposite side, like this after many bafflers stack battery pile of composition, the upside of entire cell heap has become air intake, and the downside of entire cell heap has become air outlet slit, air intake and discharge area increase greatly like this, and atmospheric air is passed easily; On the other hand, because battery pile upside air intake area is very big, need several blower fans to blow simultaneously side by side and just can allow atmospheric air pass battery pile simultaneously, and battery pile lower air discharge area is big too, also need the air draught simultaneously side by side of several blower fans, can make the easier battery pile of passing of atmospheric air like this.
The heat that operation produced of whole fuel cell pack and this electricity generation system utilize the atmospheric air heat radiation can kept in balance, and the operating temperature of fuel cell is controlled between 40-60 ℃.Owing to produce a large amount of water in the fuel cell stack operation process, when a large amount of atmospheric airs passes through air baffle, the water that generates in a large number can be taken away simultaneously.So the heat that fuel cell generates can directly be taken away by the water evaporation process that generates and normal temperature, atmospheric air.In addition, for keeping the not dehydration of fuel battery inside membrane electrode, the direction of blowing, inhale of blower fan and blower fan can be exchanged, this exchange direction is finished by electric control.For example, in certain time interval, switch during with the electro-motor power line positive and negative electrodes in same of blower fan and blower fan, reach the purpose of electro-motor forward and backward, at this moment blower fan has become blower fan, and blower fan has become blower fan, the water that generates of fuel cell can stop at fuel battery inside like this, can not taken away by the evaporation of normal pressure dry air very soon, and reaches the purpose of not dehydration of membrane electrode.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of airflow guiding plate of the present invention;
Fig. 3 is the structural representation of hydrogen flow guiding plate of the present invention;
Fig. 4 is the structural representation of proton exchange membrane electrode of the present invention;
Fig. 5 is the structural representation of one embodiment of the invention.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Shown in Fig. 1～5, a kind of fuel cell generation that utilizes above-mentioned art designs, this fuel cell generation are divided into 5 layers, as shown in Figure 5, the 1st layer is blower fan, and the 2nd layer is blower fan, the 3rd layer is fuel cell pack, and the 4th layer is last hydrogen storage material bottle, and the 5th layer is following hydrogen storage material bottle.
Blower fan layer 1 lays respectively at battery pile about in the of 3 with blower fan layer 2 (and by electric control, exchanging the function of blower fan and blower fan), and this blower fan layer 1 is respectively 200mm*150mm*300mm with blower fan layer 2 every layer of length.
The intermediate layer is a fuel cell pack 3, its internal structure is shown in Fig. 2～4, wherein, electrode 8 is a proton exchange membrane electrode, and baffler is the two-sided setting of one (back-to-back) for collection airflow guiding plate 6 with hydrogen flow guiding plate 7, and one side is the air conducting field, another side is the hydrogen flow guide field, described airflow guiding plate 6 is provided with many guiding gutters 61, these guiding gutter 61 undulates, and each guiding gutter 61 all from a side of airflow guiding plate 6 directly through opposite side; The electricity generation system of this fuel cell is made up of 50 electrodes and 50 bafflers altogether, the length of every baffler and wide be respectively 150mm, with 80mm, battery pile length is 200mm.
As shown in Figure 5, last hydrogen storage material bottle 4, following 5 two layers of upper and lower skin that lays respectively at this fuel cell generation of hydrogen storage material bottle, every layer of length is respectively 200mm*150mm*500mm.
During operation of fuel cells because the exchange function of upper and lower blower fan and blower fan, the hot humid air of normal pressure is intermittently taken heat in the fuel cell out of, blow to the hydrogen storage material bottle, hydrogen storage material is in putting the hydrogen process, must absorb heat, just from hot humid air, absorb heat, guarantee the releasing hydrogen gas source, continuous fueling battery, this fuel cell can make full use of the energy.
About 6 amperes of this fuel cell pack rated operational current, output voltage is 35V, power output is 210W, adopts battery pile and upper and lower two layers of six fan, plays air-supply, air draught or air draught, air-supply is carried air and played thermolysis to fuel cell pack.
Claims (6)
1, a kind of fuel cell that utilizes atmospheric air as oxidant and coolant, comprise fuel cell pack, this fuel cell pack is made up of many Battery packs unit, every Battery pack unit comprises a proton exchange membrane electrode again, an and airflow guiding plate that is arranged on these proton exchange membrane electrode both sides, one hydrogen flow guiding plate, it is characterized in that, described airflow guiding plate is provided with many guiding gutters, this guiding gutter undulate, and each guiding gutter all from a side of airflow guiding plate directly through opposite side, at polylith airflow guiding plate, proton exchange membrane, after the stack of hydrogen flow guiding plate, a side of whole fuel cell pack forms air intake, and opposite side forms air outlet slit; Also comprise a plurality of blower fans, a plurality of blower fan, described blower fan is located at the air intake place of fuel cell pack, and described blower fan is located at the air outlet slit place of fuel cell pack.
2, the fuel cell that utilizes atmospheric air as oxidant and coolant according to claim 1 is characterized in that, described many guiding gutters are uniformly-spaced setting.
3, the fuel cell that utilizes atmospheric air as oxidant and coolant according to claim 1 is characterized in that, described many guiding gutters are the longitudinal separation setting, and at the upside formation air intake of whole fuel cell pack, downside forms air outlet slit.
4, the fuel cell that utilizes atmospheric air as oxidant and coolant according to claim 3, it is characterized in that, described blower fan is located at the upside air intake place of fuel cell pack, and described blower fan is located at the lower air exit of fuel cell pack.
5, according to claim 1 or the 4 described fuel cells that utilize atmospheric air as oxidant and coolant, it is characterized in that also comprise two groups of hydrogen storage material bottles, these two groups of hydrogen storage material bottles are located at the outside of blower fan and blower fan respectively.
6, the fuel cell that utilizes atmospheric air as oxidant and coolant according to claim 5 is characterized in that, described two groups of hydrogen storage material bottles are located at the upside and the downside of blower fan and blower fan respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021453772A CN1309113C (en) | 2002-11-25 | 2002-11-25 | Fuel battery using normal pressure air as oxidant and radiation agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021453772A CN1309113C (en) | 2002-11-25 | 2002-11-25 | Fuel battery using normal pressure air as oxidant and radiation agent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1503392A CN1503392A (en) | 2004-06-09 |
| CN1309113C true CN1309113C (en) | 2007-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021453772A Expired - Fee Related CN1309113C (en) | 2002-11-25 | 2002-11-25 | Fuel battery using normal pressure air as oxidant and radiation agent |
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| Country | Link |
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| CN (1) | CN1309113C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005036194A1 (en) * | 2005-08-02 | 2007-02-15 | Robert Bosch Gmbh | Charging device for rechargeable electric energy accumulator which supplies onboard power supply system of vehicle powered by internal combustion engine has fuel cell which is formed as self-humidifying fuel cell |
| CN100416903C (en) * | 2005-09-06 | 2008-09-03 | 上海神力科技有限公司 | Energy-saving fuel battery stack with air supplying apparatus |
| CN101281978B (en) * | 2007-04-04 | 2011-02-02 | 扬光绿能股份有限公司 | Fuel cell system |
| KR102174085B1 (en) * | 2018-06-08 | 2020-11-05 | 한국자동차연구원 | Air supply device for fuel cell |
| CN115632139B (en) * | 2022-11-13 | 2024-01-30 | 深圳职业技术学院 | One-fan double-stack type air-cooled fuel cell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5958613A (en) * | 1995-05-18 | 1999-09-28 | Sanyo Electric Co., Ltd. | Polymer electrolyte fuel cell and a polymer electrolyte fuel cell system which supply anode-side channels with a gas-liquid mixture |
| JP2000164232A (en) * | 1998-11-26 | 2000-06-16 | Toshiba Corp | Solid high molecular fuel cell system |
| US6294277B1 (en) * | 1997-12-22 | 2001-09-25 | Kabushikikaisha Equos Research | Fuel cell system |
| CN2580611Y (en) * | 2002-11-25 | 2003-10-15 | 上海神力科技有限公司 | Energy saving type fuel cell |
-
2002
- 2002-11-25 CN CNB021453772A patent/CN1309113C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5958613A (en) * | 1995-05-18 | 1999-09-28 | Sanyo Electric Co., Ltd. | Polymer electrolyte fuel cell and a polymer electrolyte fuel cell system which supply anode-side channels with a gas-liquid mixture |
| US6294277B1 (en) * | 1997-12-22 | 2001-09-25 | Kabushikikaisha Equos Research | Fuel cell system |
| JP2000164232A (en) * | 1998-11-26 | 2000-06-16 | Toshiba Corp | Solid high molecular fuel cell system |
| CN2580611Y (en) * | 2002-11-25 | 2003-10-15 | 上海神力科技有限公司 | Energy saving type fuel cell |
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| Publication number | Publication date |
|---|---|
| CN1503392A (en) | 2004-06-09 |
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Granted publication date: 20070404 Termination date: 20111125 |