CN100459257C - Fuel cell system with device for reacting gas temp/moisture regulation - Google Patents
Fuel cell system with device for reacting gas temp/moisture regulation Download PDFInfo
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- CN100459257C CN100459257C CNB031569366A CN03156936A CN100459257C CN 100459257 C CN100459257 C CN 100459257C CN B031569366 A CNB031569366 A CN B031569366A CN 03156936 A CN03156936 A CN 03156936A CN 100459257 C CN100459257 C CN 100459257C
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- gas
- cooling fluid
- section
- conduit
- reacting gas
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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 invention relates to a fuel cell system with reacting gas's temperature/moisture regulating device. The fuel cell is combined with a reacting gas's temperature/moisture regulating device, which includes a temperature regulating section and a moisture regulating section. The section connects with a gas supply. Input the reacting gas into it and when the reacting gas passes the temperature regulating section, it is heated by a heater supply and exported by a gas exit. The moisture regulating section connects with the gas exit of the temperature regulating section. The exported reacting gas is humidified by a humidity supply abundant with hydrosphere to increase its humidity and then is exported to the gas entrance of the fuel cell by a gas exit. The heater supply of the temperature regulating section is derived from the cooling fluid discharged by the fuel cell, while the humidity supply of the moisture regulating section is derived from the effluent gas discharged by the fuel cell.
Description
Technical field
The present invention is about a kind of fuel battery, particularly about a kind of fuel cell system that disposes reacting gas temperature and humidity adjusting device.
Background technology
Look into fuel cell (Fuel Cell) for a kind of, directly utilize hydrogen-containing fuel and air to produce the device of electric power by electrochemical reaction.Because fuel cell has advantages such as low pollution, high efficiency, high-energy-density, so the object that becomes various countries' research and development in recent years and promote.In various fuel cells, the operating temperature of Proton Exchange Membrane Fuel Cells (PEMFC) is lower, starting rapidly, the energy density of volume and weight is higher, thereby tool industrial value.
Typical fuel battery is that (Membrane ElectrodeAssembles, MEA) the group structure forms, and includes anode catalyst layer, macromolecule proton exchange membrane and cathode catalysts layer in each mea body by a plurality of mea bodies.This mea body is promptly become a basic fuel-cell single-cell in conjunction with gas diffusion layers and bipolar plates stacked combination.
Fuel cell system when reaction relies on macromolecule proton exchange membrane transmission hydrogen ion to finish electrochemical reaction, its battery performance and operations condition, for example temperature, humidity, hydrogen flowing quantity, air mass flow ... Deng all closely bound up.For example with damp condition, the macromolecule proton exchange membrane of this fuel cell is maintained just can make this fuel cell keep higher usefulness under the suitable operational humidity.
Under existing technology, in order to keep this fuel battery operation in suitable operational humidity, the general practice is configuration one humidifier in the reacting gas supply line, so that this reacting gas improves its relative humidity through this humidifier the time, and then is supplied in this fuel cell.For example with the supply of air (oxygen), the general practice promptly is to dispose this humidifier after air blast, and then be connected to cathode reaction gas input hole in the fuel cell, so that this air can obtain suitable relative humidity in entering to fuel cell the time.
Summary of the invention
Yet, in aforementioned fuel cell reaction gas humidification technology commonly used, though can reach the purpose of control reacting gas relative humidity, but when using, reality finds to still have many improvements for the treatment of, for example recycling in pipeline configuration, the usefulness of humidifier, the energy recovery of humidifier ... etc. each side, still remaining further, research improves.
Moreover, with the control of operating temperature, the heat energy that this fuel cell is produced when reaction should be done suitable heat radiation, generally with in the water-cooled fuel cell design, promptly be with behind the cooling passage in this fuel cell of water process, take away the heat of fuel battery inside.The common coolant temperature that cooling liquid outlet measured at this fuel cell is approximately to be taken the photograph between 60～70 degree of the third constellations, and its relative humidity then reaches 100%.How this heat energy of effective recycling also is important topic.
Though in the prior art, seen having and utilized the heating technique of this cooling fluid energy recovery circulation as hydrogen container, but how to recycle this cooling fluid heat energy and in conjunction with the technology of humidification system, relative humidity and lifting fuel cell overall efficient with conditioned reaction gas but do not have sufficient research and actual the use.
Edge this, main purpose of the present invention provides a kind of reacting gas humidification system of fuel battery, so that fuel battery under the control of this humidification system, can make this fuel battery operate in optimum operation condition.
Another object of the present invention provides a kind of fuel cell system with reacting gas temperature and humidity adjusting device, obtains suitable temperature and humidity regulation so that be fed through the reaction gas physical efficiency of this fuel battery.
Another object of the present invention system provides a kind of fuel cell humidification control device of effective recycle and reuse fuel cell cooling fluid heat energy, can not only reach good reacting gas humidification function, also make the cooling fluid of this fuel battery obtain effective recycle and reuse.
The technological means that the present invention adopts for the problem that solves known technology is to be combined with a reacting gas temperature and humidity adjusting device in this fuel battery, this reacting gas temperature and humidity adjusting device includes an adjustment section, be communicated in a gas source, to introduce reacting gas, this reacting gas is through the adjustment section time, heated by a heating source, sent through the reacting gas after the heating by a gas vent again.One humidity regulation section, be communicated in the gas vent of this adjustment section, after the gas vent importing of the reacting gas after this adjustment section heating by this adjustment section, give humidification by a moisture source that is rich in aqueous vapor, to promote the relative humidity of this reacting gas, this reacting gas is derived by a gas and is held the gas access of sending to this fuel battery then.The required heating source of this adjustment section is taken from the cooling fluid that this fuel battery is discharged, and the moisture source of this humidity regulation section is taken from emission gases that this fuel battery is discharged.
Via the technology used in the present invention means, can so that fuel battery regulate under the control in temperature and humidity provided by the present invention, one reacting gas with best relative humidity is provided, so that this fuel battery operates in optimum operation condition, and the reacting gas temperature and humidity adjusting device effective recycle and reuse fuel cell cooling fluid energy and the emission gases of this creation, can not only reach good reacting gas humidification function, also make the cooling fluid of this fuel battery and emission gases obtain effective recycle and reuse.
Description of drawings
Stereogram when Fig. 1 is incorporated into a fuel battery for demonstration reacting gas temperature and humidity adjusting device of the present invention;
Fig. 2 is for showing the stereogram of reacting gas temperature and humidity adjusting device of the present invention;
Fig. 3 is for showing that one disposes the schematic diagram of the fuel cell system of reacting gas temperature and humidity adjusting device of the present invention;
Three-dimensional exploded view when Fig. 4 separates for each associated components of demonstration reacting gas temperature and humidity adjusting device of the present invention.
1 fuel battery
11 gas accesses
12 gas vents
13 hydrogen inlets
14 hydrogen outlets
15 cooling liquid outlets
16 cooling fluids inlet
2 reacting gas temperature and humidity adjusting devices
21 gases import end
22 gases are derived end
23 emission gases import end
24 emission gases derive end
25 cooling fluids import end
26 cooling fluids derive end
31 air-blast devices
32 pumpings
33 heat abstractors
4 adjustment sections
41 end plates
411 gas accesses
42 heated zones gas guide boards
421 gas flow guiding conduits
421a first end
421b second end
422 fins
423,424 cooling fluid through holes
43 heated zones dividing plates
431 gas via-holes
432,433 cooling fluid through holes
44 cooling fluid bafflers
441 cooling fluid water conservancy diversion conduits
441a first end
441b second end
442 fins
443 gas via-holes
5 humidity regulation sections
51 end plates
511 gas vents
512 emission gases inlet
The outlet of 513 emission gases
52 humidification section gas guide boards
521 gas flow guiding conduits
521a first end
521b second end
522 fins
523,524 emission gases through holes
53 exchange of moisture sections
531 exchange of moisture films
532,533 gas diffusion layers
54 emission gases bafflers
541 emission gases guiding gutters
541a first end
541b second end
542 fins
543 gas via-holes
6 central baffle
61 gas via-holes
Embodiment
Stereogram when Fig. 1 is incorporated into a fuel battery for demonstration reacting gas temperature and humidity adjusting device of the present invention, and Fig. 2 is for showing the stereogram of reacting gas temperature and humidity adjusting device of the present invention.As shown in the figure, a fuel battery 1 disposes reacting gas temperature and humidity adjusting device 2 of the present invention, can use with the reacting gas after supply process proper temperature and the humidity regulation to this fuel battery 1 by this reacting gas temperature and humidity adjusting device 2.In following embodiment explanation, this reacting gas is the air that is supplied to this fuel battery 1, and this fuel battery 1 is a liquid-cooled fuel battery.
Fig. 3 is for showing that one disposes the schematic diagram of the fuel cell system of reacting gas temperature and humidity adjusting device of the present invention.The gas of this reacting gas temperature and humidity adjusting device 2 imports end 21 and the air source can be introduced in the reacting gas temperature and humidity adjusting device 2, derive end 22 by gas again through the temperature in this reacting gas temperature and humidity adjusting device 2 and humidity regulation function and send gas, for should the required oxygen of fuel battery 1 reaction to the gas access 11 of this fuel battery 1 through overregulating.Aforesaid gas source can be supplied by general air-blast device 31.
And the required sources of hydrogen of this fuel battery 1 reaction is to be sent into by the hydrogen inlet 13 of this fuel battery 1, and can be sent by hydrogen outlet 14.This sources of hydrogen can be by known hydrogen container or other hydrogen generating apparatus and is supplied.
It is the gas vents 12 that are connected to this fuel battery 1 that the emission gases of this reacting gas temperature and humidity adjusting device 2 imports end 23, is introduced in this reacting gas temperature and humidity adjusting device 2 as moisture source so that the emission gases that the gas vent 12 of this fuel battery 1 is sent reclaims.
It is the cooling liquid outlets 15 that are connected in this fuel battery 1 that the cooling fluid of this reacting gas temperature and humidity adjusting device 2 imports end 25, and this cooling fluid derives the cooling fluid inlet 16 that end 26 then can be communicated in this fuel battery 1 via a pumping 32, a heat abstractor 33.
Cooling fluid by this fuel battery 1 enters the mouth 16 cooling fluids of being sent into after passing through the cooling passage of this fuel battery 1 inside, because the heat energy in the time of can taking away this fuel battery 1 running is taken the photograph the warm water that the third constellations 60～70 is spent approximately so can send one at cooling liquid outlet 15.This warm water that gives off is as the heating source of this reacting gas temperature and humidity adjusting device 2.
Consult shown in Figure 4, three-dimensional exploded view when it separates for demonstration reacting gas temperature and humidity adjusting device 2 each associated components of the present invention, this reacting gas temperature and humidity adjusting device 2 mainly includes an adjustment section 4, a humidity regulation section 5, a central baffle 6, and each associated components among the three can knownly bind fixed structure (for example bolt) and give stacked combination.
This adjustment section 4 includes an end plate 41, a heated zones gas guide board 42, a heated zones dividing plate 43, a cooling fluid baffler 44.One side of this end plate 41 is formed with a gas access 411, then is formed with a cooling fluid in another respective side and imports end 25 and one cooling fluid derivation end 26.
This heated zones gas guide board 42 is formed with a gas flow guiding conduit 421, and it is the structure in a U-lag road, and it has the one first end 421a and the second end 421b.In the preferred embodiment of the present invention, this gas flow guiding conduit 421 is made of a plurality of conduits that extend parallel to each other, and forms fin 422 between each conduit that extends in parallel.In addition, the side at this heated zones gas guide board 42 is formed with two cooling fluid through holes 423,424.
One side of this heated zones dividing plate 43 has a gas via-hole 431, and another respective side then is formed with two cooling fluid through holes 432,433.This heated zones dividing plate 43 is to adopt that to have the good heat conductive materials with function made, and for example it can be a thin aluminum sheet.
This cooling fluid baffler 44 is formed with a cooling fluid water conservancy diversion conduit 441, and it is the structure in a U-lag road, and it has the one first end 441a and the second end 441b.In the preferred embodiment of the present invention, this cooling fluid water conservancy diversion conduit 441 is made of a plurality of conduits that extend parallel to each other, and forms fin 442 between each conduit that extends in parallel.In addition, the side at this cooling fluid baffler 44 is formed with a gas via-hole 443.Separated by heated zones dividing plate 43 between this cooling fluid baffler 44 and the heated zones gas guide board 42.
After at first importing end 21 gas access 411 by 31 air supplied sources of air-blast device, deliver to the first end 421a of the gas flow guiding conduit 421 of heated zones gas guide board 42 via end plate 41 by the gas in this adjustment section 4.At this moment, gas can be guided to the second end 421b of this heated zones gas guide board 42 by the first end 421a of this heated zones gas guide board 42 along gas flow guiding conduit 421.And then by this second end 421b sequentially via the gas via-hole 443 of the gas via-hole 431 of heated zones dividing plate 43 and cooling fluid baffler 44 and deliver to the gas via-hole 61 of central baffle 6.
When aforementioned gas is sent in the adjustment section 4, can send into via the cooling fluid importing end 25 of end plate 41 by the cooling fluid that fuel battery 1 is introduced, this cooling fluid can be delivered to the first end 441a of the cooling fluid water conservancy diversion conduit 441 of cooling fluid baffler 44 after the cooling fluid through hole 432 of the cooling fluid through hole 423 that sequentially passes through heated zones gas guide board 42, heated zones dividing plate 43.At this moment, this cooling fluid can be guided to the second end 441b of this cooling fluid baffler 44 by the first end 441a of this cooling fluid baffler 44 along cooling fluid water conservancy diversion conduit 441.And then sequentially derive end 26 and send the cooling fluid inlet 16 of fuel battery 1 back to via the cooling fluid of the cooling fluid through hole 424 of the cooling fluid through hole 433 of heated zones dividing plate 43, heated zones gas guide board 42, end plate 41 by this second end 441b.
By above-mentioned structural design, when gas entered to this adjustment section 4, cooling fluid was also simultaneously via a conduit and this gas can be heated by the higher cooling fluid of temperature (taking the photograph the third constellations 60～70 degree as previously mentioned approximately) independently.Moreover, this cooling fluid is by cooling fluid water conservancy diversion conduit 441 time, since be have of one's own a closed channel loop and with gas in the gas flow guiding conduit 421 be to be heated section dividing plate 43 to separate, so this cooling fluid does not have the problem of consume, when practical application, do not need to replenish the operation of cooling fluid.
And aspect humidity regulation section 5, this humidity regulation section 5 includes an end plate 51, a humidification section gas guide board 52, an exchange of moisture section 53, an emission gases baffler 54.
One side of this end plate 51 is formed with a gas vent 511, then is formed with emission gases inlet 512 and one emission gases outlet 513 in another respective side.
This humidification section gas guide board 52 is formed with a gas flow guiding conduit 521, and it is the structure in a U-lag road, and it has the one first end 521a and the second end 521b.In the preferred embodiment of the present invention, this gas flow guiding conduit 521 is made of a plurality of conduits that extend parallel to each other, and forms fin 522 between each conduit that extends in parallel.In addition, the side at this humidification section gas guide board 52 is formed with two emission gases through holes 523,524.
This exchange of moisture section 53 has permeable but air-locked characteristic, the gas diffusion layers 532,533 that it includes an exchange of moisture film 531 and forms these exchange of moisture film 531 two sides respectively.Moreover, the size of this exchange of moisture section 53 is designed to cover most section of the gas flow guiding conduit 521 that is layed onto this humidification section gas guide board 52, but cover does not cover the first end 521a and the second end 521b of this gas flow guiding conduit 521, does not also cover the emission gases through hole 523,524 that is layed onto humidification section gas guide board 52.
This emission gases baffler 54 is formed with an emission gases water conservancy diversion conduit 541, and it is the structure in a U-lag road, and it has the one first end 541a and the second end 541b.In the preferred embodiment of the present invention, this emission gases water conservancy diversion conduit 541 is made of a plurality of conduits that extend parallel to each other, and forms fin 542 between each conduit that extends in parallel.In addition, the side at this emission gases baffler 54 is formed with a gas via-hole 543.Inserted and put this exchange of moisture section 53 between one side of this emission gases baffler 54 and the humidification section gas guide board 52, then adjacent this central baffle 6 that is incorporated in the another side of this emission gases baffler 54.
As described above, after the adjustment effect of this adjustment section 4 of gas process, can be sent to the gas via-hole 61 of central baffle 6.This gas is sent to the first end 521a of humidification section gas guide board 52 then earlier by the gas via-hole 543 of emission gases baffler 54.At this moment, gas can be guided to the second end 521b of this humidification section gas guide board 52 by the first end 521a of this humidification section gas guide board 52 along gas flow guiding conduit 521.And then derive the gas access 11 that end 22 is delivered to fuel battery 1 by the gas vent 511 and the gas of this second end 521b by end plate 51.
When aforementioned gas is sent into the gas access 11 of fuel battery 1, can send into via the emission gases importing end 23 of end plate 51 by the emission gases that fuel battery 1 is introduced, this emission gases can be sent to the first end 541a of the emission gases water conservancy diversion conduit 541 of emission gases baffler 54 by behind the emission gases through hole 523 of humidification section gas guide board 52.At this moment, this emission gases can be guided to the second end 541b of this emission gases baffler 54 by the first end 541a of this emission gases water conservancy diversion conduit 541 along this emission gases water conservancy diversion conduit 541.And then sequentially derive end 24 and this emission gases is discharged via emission gases outlet 513, the emission gases of the emission gases through hole 524 of humidification section gas guide board 52, end plate 51 by this second end 541b.
By above-mentioned structural design, gas after carrying out temp regulating function through adjustment section 4, entering this humidity regulation section 5 simultaneously, by fuel battery given off be rich in aqueous vapor emission gases also simultaneously via a conduit independently, and make this gas absorb aqueous vapor in this emission gases via this exchange of moisture section 53, and reach the function of humidity regulation.
In the above-mentioned embodiment of the invention, all do an explanation in adjustment section and the humidity regulation section with elementary cell.When the commercialization of reality is used, can be required and adopt the stacked framework in multiple layer unit according to reality.
Claims (4)
1. the fuel cell system with reacting gas temperature and humidity adjusting device is characterized in that, includes:
One fuel battery includes a gas access, a gas vent, cooling fluid inlet, a cooling liquid outlet at least;
One reacting gas temperature and humidity adjusting device includes:
One adjustment section, its inside have an end plate, a heated zones gas flow guiding conduit, a heated zones dividing plate and a cooling fluid water conservancy diversion conduit;
One humidity regulation section, its inside has an end plate, a humidification section gas flow guiding conduit, an exchange of moisture section and an emission gases water conservancy diversion conduit, and first end of the gas flow guiding conduit of this humidity regulation section is communicated in second end of the gas flow guiding conduit of this adjustment section;
One central baffle places between adjustment section and the humidity regulation section, in order to isolating this adjustment section and humidity regulation section, and will send into the humidity regulation section by a gas via-hole through the gas after the heating of adjustment section;
One gas imports end, is communicated in first end of the gas flow guiding conduit of this adjustment section, in order to a reacting gas to be regulated is introduced in the gas flow guiding conduit of this adjustment section;
One gas is derived end, is communicated in second end of the gas flow guiding conduit of this humidity regulation section, in order to second end of this gas flow guiding conduit is sent first end of reacting gas to the gas flow guiding conduit of this humidity regulation section; One cooling fluid imports end, be communicated between the cooling liquid outlet of first end of cooling fluid water conservancy diversion conduit of this adjustment section and fuel battery, introduce in order to the cooling fluid that the cooling liquid outlet of this fuel battery is sent in the cooling fluid water conservancy diversion conduit of this adjustment section, the reacting gas in this gas flow guiding conduit is heated by this cooling fluid;
One cooling fluid derives end, sends back to the cooling fluid inlet of fuel battery in order to the reacting gas that will heat in the gas flow guiding conduit;
One emission gases imports end, be communicated between the gas vent of first end of emission gases water conservancy diversion conduit of this humidity regulation section and fuel battery, introduce in the emission gases water conservancy diversion conduit of this humidity regulation section in order to the gas vent of this fuel battery is sent the emission gases that is rich in aqueous vapor, and make the reacting gas that is circulated in the gas flow guiding conduit of this humidity regulation section be subjected to humidification, and send through the reacting gas behind heating and the humidification by second end of the gas flow guiding conduit of this humidity regulation section;
One emission gases derives end, is communicated between the gas vent of second end of emission gases water conservancy diversion conduit of this humidity regulation section and fuel battery, in order to reacting gas is discharged.
2. the fuel cell system with reacting gas temperature and humidity adjusting device as claimed in claim 1, it is characterized in that, this reacting gas temperature and humidity adjusting device more includes a cooling fluid and derives end, be communicated between the cooling fluid inlet of second end of cooling fluid water conservancy diversion conduit of this adjustment section and fuel battery, in order to will deliver to the cooling fluid inlet of this fuel battery by the cooling fluid after this reacting gas temperature and humidity adjusting device.
3. the fuel cell system with reacting gas temperature and humidity adjusting device as claimed in claim 1 is characterized in that, the temperature of the cooling fluid that the cooling liquid outlet of this fuel battery is sent is on taking the photograph between 60 to 70 degree of the third constellations.
4. the fuel cell system with reacting gas temperature and humidity adjusting device as claimed in claim 1, it is characterized in that, include an exchange of moisture section in this humidity regulation section, in this exchange of moisture section, include the permeable but exchange of moisture film of airtight characteristic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031569366A CN100459257C (en) | 2003-09-15 | 2003-09-15 | Fuel cell system with device for reacting gas temp/moisture regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031569366A CN100459257C (en) | 2003-09-15 | 2003-09-15 | Fuel cell system with device for reacting gas temp/moisture regulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1599112A CN1599112A (en) | 2005-03-23 |
| CN100459257C true CN100459257C (en) | 2009-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031569366A Expired - Fee Related CN100459257C (en) | 2003-09-15 | 2003-09-15 | Fuel cell system with device for reacting gas temp/moisture regulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100459257C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007125945A1 (en) | 2006-04-25 | 2007-11-08 | Panasonic Corporation | Fuel battery system |
| KR101683992B1 (en) * | 2014-10-29 | 2016-12-07 | 현대자동차주식회사 | Manifold device of fuel cell stack |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6066408A (en) * | 1997-08-07 | 2000-05-23 | Plug Power Inc. | Fuel cell cooler-humidifier plate |
| US6171374B1 (en) * | 1998-05-29 | 2001-01-09 | Ballard Power Systems Inc. | Plate and frame fluid exchanging assembly with unitary plates and seals |
| JP2002033111A (en) * | 2000-06-07 | 2002-01-31 | Xcellsis Gmbh | Device for humidifying gas flow and method therefor and use of the same device |
| WO2003073529A2 (en) * | 2002-02-22 | 2003-09-04 | Idalex Technologies, Inc. | Fuel cell systems with evaporative cooling and methods for humidifying and adjusting the temperature of the reactant streams |
-
2003
- 2003-09-15 CN CNB031569366A patent/CN100459257C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6066408A (en) * | 1997-08-07 | 2000-05-23 | Plug Power Inc. | Fuel cell cooler-humidifier plate |
| US6171374B1 (en) * | 1998-05-29 | 2001-01-09 | Ballard Power Systems Inc. | Plate and frame fluid exchanging assembly with unitary plates and seals |
| JP2002033111A (en) * | 2000-06-07 | 2002-01-31 | Xcellsis Gmbh | Device for humidifying gas flow and method therefor and use of the same device |
| WO2003073529A2 (en) * | 2002-02-22 | 2003-09-04 | Idalex Technologies, Inc. | Fuel cell systems with evaporative cooling and methods for humidifying and adjusting the temperature of the reactant streams |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1599112A (en) | 2005-03-23 |
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