CN209607843U - A kind of air-cooled cathode closed-type fuel cell system of simplification - Google Patents

A kind of air-cooled cathode closed-type fuel cell system of simplification Download PDF

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Publication number
CN209607843U
CN209607843U CN201920401468.XU CN201920401468U CN209607843U CN 209607843 U CN209607843 U CN 209607843U CN 201920401468 U CN201920401468 U CN 201920401468U CN 209607843 U CN209607843 U CN 209607843U
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China
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conductive
fuel cell
heat
sheet metal
air
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CN201920401468.XU
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Chinese (zh)
Inventor
侯向理
姚宇希
李叶涛
裴昱
张晨
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NEKSON POWER TECHNOLOGY Co Ltd
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NEKSON POWER TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Abstract

The utility model relates to field of fuel cell technology, specially a kind of air-cooled cathode closed-type fuel cell system of simplification, including pem fuel cell stack, including end plate, multiple single batteries between two end plates, and the conductive and heat-conductive sheet metal between adjacent two single battery;The conductive and heat-conductive metal sheet portions protrude the single battery;Chassis shell, for accommodating the pem fuel cell stack;Radiator is connect, including the cooling fan inside radiator casing is arranged in the conductive and heat-conductive sheet metal contact for protruding the single battery part.The application by conductive and heat-conductive sheet metal by fuel cell stack operation when the heat that generates conduct to radiator and carry out cooling, i.e., the power generation part of fuel cell and radiator portion are detachably connected with, when fuel cell system does not generate electricity, convenient for storage and mobile;When system operation, ambient enviroment can be better adapted to.

Description

A kind of air-cooled cathode closed-type fuel cell system of simplification
Technical field
The utility model relates to field of fuel cell technology, specially a kind of simplification air-cooled cathode closed-type fuel cell system System.
Background technique
According to the difference of electrolyte and structure, fuel cell is divided into alkaline fuel cell, molten carbonate fuel cell, consolidates Oxide body fuel cell, phosphoric acid fuel cell, metal air fuel cell and Proton Exchange Membrane Fuel Cells, wherein proton is handed over Membrane cell is changed since have many advantages, such as can quick start, power density be high, operating temperature is low, non-exhaust emission quilt under room temperature It is widely applied, it is increasingly deep to the research of Proton Exchange Membrane Fuel Cells at present, how to improve Proton Exchange Membrane Fuel Cells system The environmental suitability of system is with simplified fuel cell system in order to which the storage and movement of fuel cell system are the heat of current research One of point.
As shown in figure 4, existing proton exchange film fuel battery system is in order to guarantee heat band of the cooling air by pile It walks, needs to open two vent windows on fuel cell cabinet wall, needed on vent window plus filter layer is with by pernicious gas, dust etc. Filter out, which adds the weight of proton exchange film fuel battery system, its inconvenient storage and it is mobile when, when operation pair External condition requires height, and ambient adaptability is poor.
Utility model content
In view of the problems of the existing technology the utility model, proposes a kind of air-cooled cathode closed-type fuel cell of simplification System.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of air-cooled cathode enclosed fuel of simplification Battery system, including
Pem fuel cell stack, including end plate, multiple single batteries between two end plates, Yi Jishe Conductive and heat-conductive sheet metal between adjacent two single battery;The conductive and heat-conductive metal sheet portions protrude the monomer electricity Pond;
Chassis shell, for accommodating the pem fuel cell stack;
Radiator is connect with the conductive and heat-conductive sheet metal contact for protruding the single battery part, including setting Cooling fan inside radiator casing.
Preferably, the chassis shell is equipped with the hole slot for allowing the conductive and heat-conductive sheet metal to pass through, the hole slot and institute State the sealed connection of conductive and heat-conductive sheet metal.
It is imported and exported preferably, the radiator casing is equipped with the sheet metal for allowing the conductive and heat-conductive sheet metal to pass through, The radiator casing is connect with the conductive and heat-conductive sheet metal contact.
Preferably, conductive and heat-conductive sheet metal surface is equipped with conductive coating, the material of the conductive coating be gold or Platinum or graphite.
It is coated with preferably, the conductive and heat-conductive sheet metal protrudes the single battery part on the conductive coating surface Insulating protective layer.
Preferably, the overall thickness of the conductive and heat-conductive sheet metal with the insulating protective layer is 0.2 to 1.5 milli Rice.
Preferably, the material of the conductive and heat-conductive sheet metal is red copper or stainless steel or titanium.
Preferably, the single battery includes cathode plate, anode plate, and be set to the cathode plate and the anode plate it Between membrane electrode.
Preferably, the length ratio of the width of the single battery and the conductive and heat-conductive sheet metal is 1:1.1 to 1: 50。
Preferably, the chassis shell is equipped with air inlet, air outlet, hydrogen inlet and hydrogen gas outlet.
The utility model has the beneficial effects that the application by conductive and heat-conductive sheet metal by fuel cell stack operation when generate Heat conduct to radiator and carry out cooling, i.e., the power generation part of fuel cell system and radiator portion detachable are connected It connects, when fuel cell system does not generate electricity, the power generation part of fuel cell system can be completely enclosed, and structure is simple, convenient for storage It deposits and moves;When operation of fuel cell system, the power generation part of fuel cell system only has air air inlet/outlet and hydrogen disengaging Port externally opens wide, and can better adapt to ambient enviroment, improve environmental suitability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model pem fuel cell stack;
Fig. 2 is the structural schematic diagram of the utility model single battery;
Fig. 3 is the structural schematic diagram that the utility model simplifies air-cooled cathode closed-type fuel cell system;
Fig. 4 is the structural schematic diagram of the proton exchange film fuel battery system of the prior art;
Fig. 5 is the partial structure diagram of radiator;
Wherein, 1, end plate, 2, single battery, 3, conductive and heat-conductive sheet metal, 4, chassis shell, 41, air inlet, 42, sky Gas gas outlet, 43, hydrogen inlet, 44, hydrogen gas outlet, 5, radiator, 51, cooling fan.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1 to Figure 3, the air-cooled cathode closed-type fuel cell system of a kind of simplification, including pem fuel Battery pile, chassis shell 4 and radiator 5.The pem fuel cell stack includes end plate 1, is set between two end plates 1 Multiple single batteries 2, and the conductive and heat-conductive sheet metal 3 between adjacent two single battery 2, the conductive and heat-conductive Protrude the single battery 2 in 3 part of sheet metal.The single battery 2 includes cathode plate 21, anode plate 22, and is set to the yin Membrane electrode 23 between pole plate 21 and the anode plate 22.
3 surface of conductive and heat-conductive sheet metal be equipped with conductive coating, the material of the conductive coating can be gold or platinum or One of graphite, so that conductive and heat-conductive sheet metal 3 has conductive effect well.The material of the conductive and heat-conductive sheet metal 3 It can be red copper or one of stainless steel or titanium, so that conductive and heat-conductive sheet metal 3 has heat-conducting effect well.
The conductive and heat-conductive sheet metal 3 protrudes 2 part of single battery and is coated with insulation guarantor on the conductive coating surface Sheath, on the one hand can protect conductive and heat-conductive sheet metal 3 not corroded by external environment, on the other hand prevent two adjacent conductive and heat-conductives Sheet metal 3 is in contact and leads to short circuit.The overall thickness of the conductive and heat-conductive sheet metal 3 with the insulating protective layer is 0.2 to 1.5 millimeter.The length ratio of the width of the single battery 2 and the conductive and heat-conductive sheet metal 3 is 1:1.1 to 1:50.
The chassis shell 4 is equipped with air inlet 41 for accommodating the pem fuel cell stack, and air goes out Port 42, hydrogen inlet 43 and hydrogen gas outlet 44.The chassis shell 4, which is equipped with, allows the conductive and heat-conductive sheet metal 3 to pass through Hole slot, the hole slot and the conductive and heat-conductive sheet metal 3 be tightly connected, i.e., air cannot be from conductive and heat-conductive sheet metal 3 and machine 4 hole slot junction of box shell passes in and out chassis shell 4.
The radiator 5 is connect with 3 contact of conductive and heat-conductive sheet metal for protruding 2 part of single battery, is wrapped Include the cooling fan 51 being arranged in inside radiator casing.The radiator casing, which is equipped with, allows the conductive and heat-conductive sheet metal 3 The sheet metal inlet and outlet passed through, the radiator casing are connect with 3 contact of conductive and heat-conductive sheet metal.Radiator casing can Moveable cooling fin is arranged in interior bottom, cooling fin is contacted with conductive and heat-conductive sheet metal 3, can be by conductive and heat-conductive sheet metal Heat on 3 is drawn to radiator casing to carry out cooling, meanwhile, start cooling fan 51 to improve the heat dissipation of radiator 5 Efficiency.I.e. fuel cell stack operation when the heat that generates radiator 5 directly can be conducted heat to by conductive and heat-conductive sheet metal 3 Carry out cooling.The radiator casing of radiator 5 can be hollow out, be combined with cooling fan 51 so that air circulation adds Fastly, good heat dissipation effect.
As shown in figure 5, sheet metal inlet and outlet can be a whole opening, it is also possible to by multiple parallel along the vertical direction The strip gab of setting forms, and bottom is equipped with several pairs corresponding with 3 quantity of conductive and heat-conductive sheet metal slidings in radiator casing body Slot, each pair of sliding groove are slidably connected with a cooling fin, and the setting position of sliding groove and the setting position one of strip gab are a pair of It answers.When specifically used, cooling fin first can be moved to the left end of sliding groove cooling fin and strip gab to be staggered, to avoid It influences conductive and heat-conductive sheet metal 3 and enters strip gab, can will radiate after conductive and heat-conductive sheet metal 3 enters radiator casing inside Piece moves right along sliding groove to be adjacent to conductive and heat-conductive sheet metal 3, to play heat dissipation effect to conductive and heat-conductive sheet metal 3.
Radiator 5 can also include refrigeration part, so that the distinguished and admirable of the blowout of cooling fan 51 has lower temperature, so as to It is enough preferably to remove the heat of conductive and heat-conductive sheet metal 3, wherein refrigeration part uses the prior art.
It, can be by air inlet 41, air outlet 42, hydrogen inlet 43 and hydrogen when fuel cell system does not generate electricity The all closings of gas gas outlet 44, can effectively prevent dust, rainwater, pernicious gas etc. into internal system and to zero in system Part is caused to corrode or be damaged, and has a stronger environmental suitability, and structure is simplified, light, can by pem fuel cell stack with Radiator 5 separates, so that pem fuel cell stack is convenient for storage and movement.When system is run, only air inlet 41, air outlet 42, hydrogen inlet 43 and hydrogen gas outlet 44 are externally opened wide, and enable pem fuel cell stack Ambient enviroment is better adapted to, environmental suitability is improved.
Embodiment one, the pem fuel cell stack of the application use the low-temperature protonic exchange film fuel battery of 100W Heap, single battery quantity are 25, and conductive and heat-conductive sheet metal 3 is gold plated copper sheets, with a thickness of 1 millimeter, the width of single battery 2 with The length ratio of the conductive and heat-conductive sheet metal 3 is 1:5.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical new to this The conception and scope of type is defined.Without departing from the design concept of the present utility model, ordinary people in the field is to this The all variations and modifications that the technical solution of utility model is made, should fall within the protection scope of the present utility model, this is practical Novel claimed technology contents, are all described in the claims.

Claims (10)

1. a kind of air-cooled cathode closed-type fuel cell system of simplification, it is characterised in that: including
Pem fuel cell stack, including end plate (1), the multiple single batteries (2) being set between two end plates (1), And it is set to the conductive and heat-conductive sheet metal (3) between adjacent two single battery (2);Conductive and heat-conductive sheet metal (3) portion Divide protrusion the single battery (2);
Chassis shell (4), for accommodating the pem fuel cell stack;
Radiator (5) is connect with conductive and heat-conductive sheet metal (3) contact for protruding single battery (2) part, including Cooling fan (51) inside radiator casing is set.
2. the air-cooled cathode closed-type fuel cell system of a kind of simplification according to claim 1, it is characterised in that: the machine Box shell (4) is equipped with the hole slot for allowing the conductive and heat-conductive sheet metal (3) to pass through, the hole slot and the conductive and heat-conductive sheet metal (3) it is tightly connected.
3. the air-cooled cathode closed-type fuel cell system of a kind of simplification according to claim 1, it is characterised in that: described to dissipate Hot device shell is equipped with the sheet metal for allowing the conductive and heat-conductive sheet metal (3) to pass through and imports and exports, the radiator casing with it is described The connection of conductive and heat-conductive sheet metal (3) contact.
4. the air-cooled cathode closed-type fuel cell system of a kind of simplification according to claim 1, it is characterised in that: described to lead Electric thermal conductive metal plate (3) surface is equipped with conductive coating, and the material of the conductive coating is gold or platinum or graphite.
5. the air-cooled cathode closed-type fuel cell system of a kind of simplification according to claim 4, it is characterised in that: described to lead Electric thermal conductive metal plate (3) protrudes the single battery (2) and is partially coated with insulating protective layer on the conductive coating surface.
6. the air-cooled cathode closed-type fuel cell system of a kind of simplification according to claim 5, it is characterised in that: band is The overall thickness for stating the conductive and heat-conductive sheet metal (3) of insulating protective layer is 0.2 to 1.5 millimeter.
7. the air-cooled cathode closed-type fuel cell system of a kind of simplification according to claim 1, it is characterised in that: described to lead The material of electric thermal conductive metal plate (3) is red copper or stainless steel or titanium.
8. the air-cooled cathode closed-type fuel cell system of a kind of simplification according to claim 1, it is characterised in that: the list Body battery (2) includes cathode plate (21), anode plate (22), and is set between the cathode plate (21) and the anode plate (22) Membrane electrode (23).
9. the air-cooled cathode closed-type fuel cell system of a kind of simplification according to claim 1, it is characterised in that: the list The width of body battery (2) and the length ratio of the conductive and heat-conductive sheet metal (3) are 1:1.1 to 1:50.
10. the air-cooled cathode closed-type fuel cell system of a kind of simplification according to claim 1, it is characterised in that: described Chassis shell (4) is equipped with air inlet (41), air outlet (42), hydrogen inlet (43) and hydrogen gas outlet (44).
CN201920401468.XU 2019-03-28 2019-03-28 A kind of air-cooled cathode closed-type fuel cell system of simplification Active CN209607843U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920401468.XU CN209607843U (en) 2019-03-28 2019-03-28 A kind of air-cooled cathode closed-type fuel cell system of simplification

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920401468.XU CN209607843U (en) 2019-03-28 2019-03-28 A kind of air-cooled cathode closed-type fuel cell system of simplification

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112086659A (en) * 2020-08-25 2020-12-15 北京理工大学 Fuel cell stack convenient for temperature control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112086659A (en) * 2020-08-25 2020-12-15 北京理工大学 Fuel cell stack convenient for temperature control

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