CN102945979A - Passive drainage fuel cell stack - Google Patents
Passive drainage fuel cell stack Download PDFInfo
- Publication number
- CN102945979A CN102945979A CN2012105220507A CN201210522050A CN102945979A CN 102945979 A CN102945979 A CN 102945979A CN 2012105220507 A CN2012105220507 A CN 2012105220507A CN 201210522050 A CN201210522050 A CN 201210522050A CN 102945979 A CN102945979 A CN 102945979A
- Authority
- CN
- China
- Prior art keywords
- plate
- fuel cell
- field plate
- cell pack
- flow field
- 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.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- Fuel Cell (AREA)
Abstract
The invention discloses a passive drainage fuel cell stack which comprises a first end plate, a first collector plate, a single polar plate component, a first membrane electrode component, a plurality of repetitive units, a first hydrogen flow field plate, a second collector plate and a second end plate which sequentially cling to one another and are arranged in parallel, wherein the single polar plate component comprises a cooling agent plate, a water collecting plate, a hydrophilic porous gas-water separation component and an oxygen flow field plate which sequentially cling to one another and are arranged in parallel; each repetitive unit comprises a bipolar plate component and a membrane electrode component; and the bipolar plate component comprises a hydrogen flow field plate, a cooling agent plate, a water collecting plate, a hydrophilic porous gas-water separation component and an oxygen flow field plate which sequentially cling to one another and are arranged in parallel. After the passive drainage fuel cell stack is adopted, the function of passive drainage can be realized, and an external gas circulation pump and a gas-water separator which are needed by the conventional cell stack structure can be omitted, so that the number of parts of a system is reduced, the system is free from moving parts and direction sensibility, and the reliability of the system is observably improved.
Description
Technical field
The present invention relates to a kind of fuel cell pack, particularly, relate to a kind of passive draining fuel cell pack that is built-in with passive drain assembly.
Background technology
Fuel cell (Fuel Cell, FC) be a kind of novel power generation device that fuel chemical energy directly is converted to electric energy by electrochemical means, have the advantages such as energy conversion rate height, pollution-free, raw material sources be abundant, be known as after waterpower, firepower, nuclear energy the 4th generation generation technology.As the generation technology of a new generation, fuel cell can be widely used in the various aspects such as Portable power source, electric automobile, power station, Aero-Space and military boats and ships.
Proton Exchange Membrane Fuel Cells (Proton exchange membrane fuel cell, PEMFC) be a kind of in the fuel cell, its electrolyte is made by solid polymer membrane, so be called again solid polymer electrolyte fuel cell (SPEFC) or solid polymer fuel cells (SPFC), having the advantages such as power density height, working temperature low (＜100 ℃), life-span length, is the most widely fuel cell of at present research.One cover PEMFC Blast Furnace Top Gas Recovery Turbine Unit (TRT) or system are made of fuel cell pack and corresponding auxiliary system thereof.Fuel cell pack is the power conversion unit that chemical energy is converted to electric energy, and auxiliary system provides corresponding reaction medium and water, heat management for battery pile, effectively works to guarantee battery pile.
Take hydrogen as fuel, oxygen as oxidant be the optimal reactant of fuel cell, when being converted to electric energy, chemical energy also have product water to generate and the used heat generation by hydrogen, oxygen electrode reaction during hydrogen oxygen fuel cell work, discharge (ideal situation is the speed that the speed of generation water should equal discharge water) if the water that generates is untimely from electrode, water will gather in electrode, flood electrode catalyst, thereby the obstruction reacting gas contacts with catalyst, cause the battery performance decay, even can't work; Equally, the rate of discharge of used heat also should equal to produce speed, to prevent that because of heat accumulation the battery pile temperature raises and damages battery material or assembly.Therefore to fuel cell pack carry out rational water, heat management is its effectively important leverage of work.
The PEM fuel cell pack is formed by membrane electrode assembly (MEA) and bipolar plate assembly repeatedly stacking, and wherein bipolar plate assembly is comprised of Oxygen Flow field plate, coldplate, hydrogen stream field plate successively.At present, common way is to process the plough groove type runner at hydrogen, Oxygen Flow field plate, be used for the uniform distribution of realization response medium at anode and cathode surface, the water of fuel battery negative pole Surface Creation makes it discharge battery along runner by circulating of oxygen simultaneously, medium circulation flows like this needs external accessory (such as gas circulator) to keep certain flow velocity, also needs gas-water separation equipment to come from two phase flow water to be separated, reclaims in the battery pile outside simultaneously.The design of this battery structure must cause auxiliary system complicated, and the fuel cell system weight and volume is increased, and the use of mechanical motion parts also causes parasitic energy consumption increase, reliability, life-span reduction.
Summary of the invention
The purpose of this invention is to provide a kind of fuel cell pack, by the design of battery pile structure, realize that stack body will generate water by passive mode and discharge, thereby reduce to greatest extent the dependence to auxiliary system that the simplification system improves system reliability.
In order to achieve the above object, the invention provides a kind of passive draining fuel cell pack, wherein, this battery pile comprises and is close to successively the first end plate, the first collector plate, unipolar plate assembly, the first membrane electrode assembly, the first hydrogen stream field plate, the second collector plate and the second end plate that is set up in parallel; Described unipolar plate assembly comprises is close to coolant plate, water collecting board, hydrophilic porous gas-water separation assembly and the Oxygen Flow field plate that is set up in parallel successively.
Above-mentioned passive draining fuel cell pack, wherein, described battery pile also comprises several repetitives that are interposed between described the first membrane electrode assembly and the first hydrogen stream field plate; Described repetitive comprises bipolar plate assembly and membrane electrode assembly; Described bipolar plate assembly comprises is close to hydrogen stream field plate, coolant plate, water collecting board, hydrophilic porous gas-water separation assembly and the Oxygen Flow field plate that is set up in parallel successively.
Above-mentioned passive draining fuel cell pack, wherein, described Oxygen Flow field plate is provided with some parallel runners towards the side plate face of the second end plate, and the direction of runner is vertical with the direction of motion of fluid.The direction of motion of fluid is consistent with the major axis bearing of trend of plate face.
Above-mentioned passive draining fuel cell pack, wherein, the cross section of the runner of described Oxygen Flow field plate is isosceles trapezoid, and trapezoidal broadside is towards membrane electrode assembly, and trapezoidal narrow limit is towards hydrophilic porous gas-water separation assembly.
Above-mentioned passive draining fuel cell pack, wherein, described runner is provided with the perforate of some each intervals towards the oxygen flow field intralamellar part along this runner at the place, trapezoidal narrow limit of its bottom.
Above-mentioned passive draining fuel cell pack, wherein, described perforate is circular hole or along the rectangular slot of runner direction, the diameter of circular hole or the width of rectangular slot are identical with the length on the trapezoidal narrow limit of runner.
Above-mentioned passive draining fuel cell pack, wherein, the surface of described perforate and runner has hydrophily.Utilize the water-wet behavior of water passage surface, by to the size in the broadside of trapezoid cross section runner, narrow limit and the degree of depth and hole and the optimization of the degree of depth, the liquid globule that electrode surface is generated moves in the duct along the runner hypotenuse to narrow limit under the capillary force effect, thereby avoid water to assemble at electrode surface, also be conducive to oxygen transmission to electrode surface simultaneously.The transmission course of water need not excessive oxygen blow, thereby the emission-free discharging of battery outlet port.
Above-mentioned passive draining fuel cell pack, wherein, described hydrophilic porous gas-water separation assembly comprises and is interposed in the Hydrophilized porous membrane between water collecting board and the Oxygen Flow field plate and is located at frame and supporting construction around this perforated membrane.Hydrophilized porous membrane can be porous metal film, inorganic porous membrane, apertured polymeric film etc.Hydrophilized porous membrane can be by the water complete wetting, if the surface tension of water greater than gas pressure, then gas can not pass through film, thereby can realize the function of permeable choke, thereby reaches the purpose of gas-water separation.
Above-mentioned passive draining fuel cell pack, wherein, described coolant plate and water collecting board are equipped with the flow field at the side plate face towards the second end plate, and its form comprises the flow-field plate that is provided with parallel groove, flow-field plate, porous media board or the corrugated plating of spot distribution.Coolant plate plays cooling effect, and the water collecting board is provided with the water collecting chamber, carries out the collection of moisture by the flow field.
Above-mentioned passive draining fuel cell pack, wherein, described hydrogen stream field plate is provided with the flow field at the side plate face towards the first end plate, and its form comprises the flow-field plate that is provided with parallel groove, flow-field plate, porous media board or the corrugated plating of spot distribution.
Above-mentioned passive draining fuel cell pack, wherein, the oxygen flow field plate runner broadside side contacts of described membrane electrode assembly cathode side and bipolar plate assembly, oxygen flow field plate runner narrow limit perforate side and hydrophilic porous gas-water separation assembly one side contacts, hydrophilic porous gas-water separation assembly opposite side contacts with water collecting board collecting chamber, the opposite side of water collecting board contacts with coolant plate, the opposite side of coolant plate contacts with the hydrogen stream field plate, the flow passage side of hydrogen stream field plate contacts with the anode-side of a rear membrane electrode assembly, and repeated arrangement just consists of a battery pile like this.
Above-mentioned passive draining fuel cell pack, wherein, the drainage procedure of described battery pile is: hydrogen, oxygen reacting gas enter respectively hydrogen stream field plate and Oxygen Flow field plate, and arrive the Catalytic Layer of its anode and negative electrode by membrane electrode assembly, react in the Catalytic Layer generating electrodes.Hydrogen produces electronics and proton in anode generation oxidation reaction, and to the rear negative electrode that arrives of load acting, proton reaches negative electrode by polymer dielectric film to electronics by external circuit, and at the negative electrode place, oxygen is combined with proton and electronics and is produced water.The water that the membrane electrode cathode adnation the becomes formation globule of growing up gradually on the membrane electrode assembly surface, the globule contacts with runner one side surface of Oxygen Flow field plate, adhere on the flow path wall, it is large that the globule continues to become, when the globule and runner opposite side Surface Contact, form the liquid bridge at water passage surface, the liquid bridge rises along the runner inclined-plane under the effect of capillary force, enter subsequently in the hole on the narrow limit of runner, water in the duct under the effect of capillary force, continue the reach, and with hydrophilic porous gas-water separation assembly one side contacts, under certain pressure reduction, water enters the water collecting chamber of water collecting board by the gas-water separation assembly, then outside the water collecting chamber is discharged battery pile.
Passive draining fuel cell pack provided by the invention has the following advantages:
The novel battery structure of this passive draining battery pile can effectively realize the passive draining of stack body, avoid the conventional batteries structure to use external accessory to carry out draining and gas-water separation, thereby fuel cell system is simplified more, reduce system weight, volume and parasitic energy consumption, improve lifetime of system, has higher reliability and efficient, simultaneously directionless sensitiveness.In addition, drainage procedure is take capillary force as actuating force, also applicable to zero-g environmental work.
This passive draining battery pile is widely used, can be used for fuel cell, regenerative fuel cell, electrolytic cell etc., also can be applicable to not rely on air under water and advance (AIP) latent device power source, space device power supply, HAE aircraft power supply, stand-by power supply and regenerative fuel cell accumulation power supply.
Description of drawings
Fig. 1 is the structural representation of passive draining fuel cell pack of the present invention.
Fig. 2 is that the repetitive of passive draining fuel cell pack of the present invention consists of schematic diagram.
Fig. 3 is the bipolar plate assembly structural representation of passive draining fuel cell pack of the present invention.
Fig. 4 is the cross section of fluid channel figure of the Oxygen Flow field plate of passive draining fuel cell pack of the present invention.
Fig. 5 is the transition process schematic diagram of water in the runner of Oxygen Flow field plate of passive draining fuel cell pack of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is further described.
As shown in Figure 1, passive draining fuel cell pack provided by the invention, comprise be close to successively the first end plate 19 of being set up in parallel, the first collector plate 17, unipolar plate assembly 16, the first membrane electrode assembly 141, the first repetitive 15-1, the second repetitive 15-2 ..., n repetitive 15-n, the first hydrogen stream field plate 61, the second collector plate 18, the second end plate 20.
Wherein, unipolar plate assembly 16 comprises and is close to successively coolant plate 5, water collecting board 4, hydrophilic porous gas-water separation assembly 3 and the Oxygen Flow field plate 2 that is set up in parallel.Repetitive 15 comprises bipolar plates sub-assembly 1 and membrane electrode assembly 14, referring to shown in Figure 2.
As shown in Figure 3, bipolar plate assembly 1 comprises and is close to successively hydrogen stream field plate 6, coolant plate 5, water collecting board 4, hydrophilic porous gas-water separation assembly 3 and the Oxygen Flow field plate 2 that is set up in parallel.
Wherein, the cross section of fluid channel of Oxygen Flow field plate 2 as shown in Figure 4.The runner wall is diminishing trapezoid cross section 7, trapezoidal runner 7 broadsides contact with membrane electrode assembly 14 or gas diffusion layers 9, its length is a, the opening angle of trapezoidal runner 7 is 2 α, and being spaced a distance on the narrow limit of trapezoidal runner 7 is provided with perforate 8, forms passage, the degree of depth of passage is d, the shape of perforate 8 can be circular hole or along the rectangular slot of runner direction, the size of circular hole or the width of slit are b, and be consistent with the narrow hem width degree of runner.The thickness of flow-field plate is D.The contact angle of flow path wall water is θ 1, and the contact angle of water is θ 2 on membrane electrode assembly or the gas diffusion layers 9.
The available Bond number of the impact of gravity (Bond number, Bo) is weighed in the runner, and in trapezoidal runner 7, Bond number can be calculated by following formula:
In the formula,
ρDensity for water;
gBe acceleration of gravity;
σBe surface tension.
Representative value in the above-mentioned formula is: D=2mm, d=1.2mm, a=1.1mm, b=0.5mm, θ 1=70 °, Bo=0.29 then.In most of the cases, Bo is less than 0.35, and runner just can overcome the impact of gravity and realize that water moves under the effect of capillary force along the wall of trapezoidal runner 7 in perforate 8 like this.
The drainage procedure of Oxygen Flow field plate 2 as shown in Figure 5.Water produces in the fuel battery negative pole Catalytic Layer, then the surface that migrates to diffusion layer 9 by the passage in the diffusion layer 9 forms the liquid globule 11,12, the globule 11,12 is grown up gradually, when its wall with runner 7 contacts, because the water-wet behavior on plate material 10 surfaces, the globule 11,12 and wall infiltrate, and under the effect of capillary force, move along runner 7 walls.The globule 11,12 continues to grow up, and when the globule 11,12 met, this moment, the size of the globule reached maximum, can think that the globule of this moment is of a size of critical dimension, and globule critical dimension is larger, and the speed that the globule removes is just slower.The size of globule critical dimension is determined by wetting conditions and runner physical dimension.After meeting, the globule 11,12 between 7 liang of walls of runner, forms liquid bridge 13, liquid bridge 13 continues to move in perforate 8, last aqueous water is discharged the hydrophilic porous gas-water separation assembly 3 that enters in the bipolar plates sub-assembly 1 from perforate 8, Oxygen Flow field plate 2 is finished drainage procedure one time.This process is continuously carried out, and just can realize the migration of water from Oxygen Flow field plate 2.
In the bipolar plates sub-assembly 1 with Oxygen Flow field plate 2 close contacts be hydrophilic porous gas-water separation assembly 3, hydrophilic porous gas-water separation assembly 3 can be porous metal film, inorganic porous membrane, apertured polymeric film etc.Hydrophilic perforated membrane can be by the water complete wetting, if the surface tension of water in porous separation assembly 3 greater than the oxygen operating pressure, then oxygen can not pass through porous separation assembly 3, on the contrary oxygen can pass through from porous separation assembly 3.Therefore, need the pore size in the control porous separation assembly 3, and the hole is evenly distributed in porous assembly 3.Perforate 8 one sides in the Oxygen Flow field plate 2 and porous separation assembly 3 one side contacts, the water cavity side contacts of the water collecting board 4 in the opposite side of porous separation assembly 3 and the bipolar plates sub-assembly 1.Water in the Oxygen Flow field plate 2 in the perforate 8 contacts with porous separation assembly 3, and water transfers in the water cavity of water collecting board 4 through the duct in the porous separation assembly 3 under concentration difference or pressure differential.
Hydrogen stream field plate 6 is provided with the flow field at the side plate face towards the first end plate 19, and its form comprises the flow-field plate that is provided with parallel groove, flow-field plate, porous media board or the corrugated plating of spot distribution.
The passive draining fuel cell stack operation of passive draining fuel cell pack provided by the invention process is as follows:
Hydrogen, oxygen reacting gas enter respectively hydrogen stream field plate 6 and Oxygen Flow field plate 2, and by the gas diffusion layers arrival anode of membrane electrode assembly 14 and the Catalytic Layer of negative electrode, react in the Catalytic Layer generating electrodes.Hydrogen produces electronics and proton in anode generation oxidation reaction, and to the rear negative electrode that arrives of load acting, proton reaches negative electrode by polymer dielectric film to electronics by external circuit, and at the negative electrode place, oxygen is combined with proton and electronics and is produced water.The water that negative electrode generates forms the liquid globule 11,12 by the surface that the passage in the diffusion layer 9 migrates to diffusion layer 9, the globule 11,12 is grown up gradually, when its wall with the runner 7 of Oxygen Flow field plate 2 contacts, because the water-wet behavior on plate material 10 surfaces, the globule 11,12 and wall infiltrate, and under the effect of capillary force, move along runner 7 walls.The globule 11,12 continues to grow up, when the globule 11,12 meets, between 7 liang of walls of runner, form liquid bridge 13, liquid bridge 13 continues to move in perforate 8, last aqueous water arrives a side of hydrophilic porous gas-water separation assembly 3 from perforate 8, the opposite side that water transfers to gas-water separation assembly 3 through the duct in the porous separation assembly 3 under concentration difference or pressure differential is gone forward side by side in the water collecting chamber of entry collecting board 4, and last water is discharged to the battery pile outside from the water collecting chamber.This process is continuously carried out, thereby realizes the balance of battery pile draining.
During passive draining fuel cell stack operation provided by the invention, hydrogen, oxygen reaction gas only need be supplied with by stoichiometry, emission-free discharging, thereby can save conventional batteries pile structure required extraneous gas circulating pump and air-water separator, thereby system unit quantity is reduced, movement-less part can significantly improve the reliability of system.And drainage procedure does not rely on Action of Gravity Field, but so this battery pile omni-directional work, directionless sensitiveness can be fit to work under the space microgravity environment.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. passive draining fuel cell pack, it is characterized in that this battery pile comprises and is close to successively the first end plate (19) arranged side by side, the first collector plate (17), unipolar plate assembly (16), the first membrane electrode assembly (141), the first hydrogen stream field plate (61), the second collector plate (18) and the second end plate (20);
Described unipolar plate assembly (16) comprises is close to coolant plate arranged side by side (5), water collecting board (4), hydrophilic porous gas-water separation assembly (3) and Oxygen Flow field plate (2) successively.
2. passive draining fuel cell pack as claimed in claim 1 is characterized in that, described battery pile also comprises several repetitives (15) that are interposed between the first membrane electrode assembly (141) and the first hydrogen stream field plate (61);
Described repetitive (15) comprises bipolar plate assembly (1) and membrane electrode assembly (14);
Described bipolar plate assembly (1) comprises is close to hydrogen stream field plate (6) arranged side by side, coolant plate (5), water collecting board (4), hydrophilic porous gas-water separation assembly (3) and Oxygen Flow field plate (2) successively.
3. passive draining fuel cell pack as claimed in claim 1 is characterized in that, described Oxygen Flow field plate (2) is provided with some parallel runners towards the side plate face of the second end plate (20).
4. passive draining fuel cell pack as claimed in claim 2, it is characterized in that, the cross section of the runner of described Oxygen Flow field plate (2) is isosceles trapezoid (7), the broadside of trapezoidal (7) is towards membrane electrode assembly (14), and the narrow limit of trapezoidal (7) is towards hydrophilic porous gas-water separation assembly (3).
5. passive draining fuel cell pack as claimed in claim 3 is characterized in that, described runner is provided with some perforates (8) towards the inner each interval of Oxygen Flow field plate (2) at place, trapezoidal (7) of its bottom narrow limit along this runner.
6. passive draining fuel cell pack as claimed in claim 4 is characterized in that, described perforate (8) is circular hole or along the rectangular slot of runner direction, the length on the narrow limit of the diameter of circular hole or the width of rectangular slot trapezoidal with runner (7) is identical.
7. passive draining fuel cell pack as claimed in claim 5 is characterized in that, the surface of described perforate (8) and runner has hydrophily.
8. passive draining fuel cell pack as claimed in claim 1, it is characterized in that described hydrophilic porous gas-water separation assembly (3) comprises and is interposed in the Hydrophilized porous membrane between water collecting board (4) and the Oxygen Flow field plate (2) and is located at frame and supporting construction around this perforated membrane.
9. passive draining fuel cell pack as claimed in claim 1, it is characterized in that, described coolant plate (5) and water collecting board (4) are equipped with the flow field at the side plate face towards the second end plate (20), and its form comprises the flow-field plate that is provided with parallel groove, flow-field plate, porous media board or the corrugated plating of spot distribution.
10. passive draining fuel cell pack as claimed in claim 1, it is characterized in that, described hydrogen stream field plate (6) is provided with the flow field at the side plate face towards the first end plate (19), and its form comprises the flow-field plate that is provided with parallel groove, flow-field plate, porous media board or the corrugated plating of spot distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210522050.7A CN102945979B (en) | 2012-12-07 | 2012-12-07 | Passive drainage fuel cell stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210522050.7A CN102945979B (en) | 2012-12-07 | 2012-12-07 | Passive drainage fuel cell stack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102945979A true CN102945979A (en) | 2013-02-27 |
| CN102945979B CN102945979B (en) | 2015-04-01 |
Family
ID=47728900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210522050.7A Active CN102945979B (en) | 2012-12-07 | 2012-12-07 | Passive drainage fuel cell stack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102945979B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956512A (en) * | 2014-05-19 | 2014-07-30 | 上海空间电源研究所 | Passive heat discharging fuel cell stack |
| CN104393322A (en) * | 2014-12-05 | 2015-03-04 | 上海空间电源研究所 | Fuel cell stack realizing automatic drainage and air admission |
| CN106887633A (en) * | 2015-12-15 | 2017-06-23 | 中国科学院大连化学物理研究所 | A kind of high-temperature fuel cell pile |
| CN111326761A (en) * | 2018-12-13 | 2020-06-23 | 中国科学院大连化学物理研究所 | Renewable fuel cell |
| CN112993321A (en) * | 2019-12-16 | 2021-06-18 | 中车时代电动汽车股份有限公司 | Cooling liquid circulating system for fuel cell |
| CN113346098A (en) * | 2021-07-05 | 2021-09-03 | 上海空间电源研究所 | Fuel cell metal flow field plate with novel flow guide structure |
| CN113889637A (en) * | 2020-07-03 | 2022-01-04 | 中国科学院大连化学物理研究所 | Fuel cell bipolar plate with internal water diversion/internal humidification structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1564360A (en) * | 2004-04-14 | 2005-01-12 | 清华大学 | Self-breathing portable power supply |
| CN1996646A (en) * | 2006-12-18 | 2007-07-11 | 南京大学 | Portable fuel battery pole board |
-
2012
- 2012-12-07 CN CN201210522050.7A patent/CN102945979B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1564360A (en) * | 2004-04-14 | 2005-01-12 | 清华大学 | Self-breathing portable power supply |
| CN1996646A (en) * | 2006-12-18 | 2007-07-11 | 南京大学 | Portable fuel battery pole board |
Non-Patent Citations (1)
| Title |
|---|
| 侯明等: "质子交换膜燃料电池新型静态排水结构", 《电源技术》, vol. 26, no. 3, 30 June 2002 (2002-06-30) * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956512A (en) * | 2014-05-19 | 2014-07-30 | 上海空间电源研究所 | Passive heat discharging fuel cell stack |
| CN104393322A (en) * | 2014-12-05 | 2015-03-04 | 上海空间电源研究所 | Fuel cell stack realizing automatic drainage and air admission |
| CN106887633A (en) * | 2015-12-15 | 2017-06-23 | 中国科学院大连化学物理研究所 | A kind of high-temperature fuel cell pile |
| CN106887633B (en) * | 2015-12-15 | 2020-01-14 | 中国科学院大连化学物理研究所 | High-temperature fuel cell stack |
| CN111326761A (en) * | 2018-12-13 | 2020-06-23 | 中国科学院大连化学物理研究所 | Renewable fuel cell |
| CN111326761B (en) * | 2018-12-13 | 2021-07-06 | 中国科学院大连化学物理研究所 | Renewable fuel cell |
| CN112993321A (en) * | 2019-12-16 | 2021-06-18 | 中车时代电动汽车股份有限公司 | Cooling liquid circulating system for fuel cell |
| CN112993321B (en) * | 2019-12-16 | 2022-08-19 | 中车时代电动汽车股份有限公司 | Cooling liquid circulating system for fuel cell |
| CN113889637A (en) * | 2020-07-03 | 2022-01-04 | 中国科学院大连化学物理研究所 | Fuel cell bipolar plate with internal water diversion/internal humidification structure |
| CN113889637B (en) * | 2020-07-03 | 2023-11-10 | 中国科学院大连化学物理研究所 | Fuel cell bipolar plate with internal water diversion/internal humidification structure |
| CN113346098A (en) * | 2021-07-05 | 2021-09-03 | 上海空间电源研究所 | Fuel cell metal flow field plate with novel flow guide structure |
| CN113346098B (en) * | 2021-07-05 | 2022-08-09 | 上海空间电源研究所 | Fuel cell metal flow field plate with novel flow guide structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102945979B (en) | 2015-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102945979B (en) | Passive drainage fuel cell stack | |
| CN105594051B (en) | Lithium battery group with composite solid electrolyte | |
| CN100377402C (en) | Stack having improved cooling structure and fuel cell system having the same | |
| CN104393322B (en) | A kind of can the fuel cell pack of autonomous draining air inlet | |
| CN104795574A (en) | Metal bipolar plates of fuel cell and fuel cell | |
| CN102136594A (en) | Double-power liquid stream battery electric pile structure and liquid stream battery containing electric pile | |
| CN100416902C (en) | Proton exchange membrane fuel cell interdigited parallel combined flow field | |
| CN109244502A (en) | A kind of bipolar plates and its preparation process, single battery core and Proton Exchange Membrane Fuel Cells | |
| CN208955110U (en) | A kind of bipolar plates, single battery core and Proton Exchange Membrane Fuel Cells | |
| CN201956424U (en) | Double power fluid redox cell stack structure | |
| Mench et al. | Design of a micro direct methanol fuel cell (μDMFC) | |
| CN212783526U (en) | Metal bipolar plate with micro-protrusion structure | |
| CN101388465A (en) | Fuel cell polar plate and fuel cell using the same | |
| CN100550500C (en) | A kind of fuel battery | |
| CN113193208A (en) | Air cooling type fuel cell power system of fixed wing unmanned aerial vehicle | |
| CN101127407A (en) | Portable proton exchange film fuel battery stack with self-managed water heat | |
| CN104332643A (en) | Proton exchange membrane fuel cell | |
| CN201608229U (en) | Bipolar plate of fuel battery | |
| CN103151547A (en) | Composite fuel cell | |
| CN103956512A (en) | Passive heat discharging fuel cell stack | |
| CN101507029B (en) | Fuel cell | |
| CN201383523Y (en) | Current breaker for shunt current of flow battery | |
| CN101826620B (en) | Bipolar plate for fuel cells | |
| KR102130874B1 (en) | Electrode structure for battery and redox flow battery comprising said electrode | |
| CN106505235B (en) | Anode moisture retention structure and the passive direct methanol fuel cell for using it |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |