CN210984902U - Hydrogen fuel cell and lithium ion capacitor composite energy storage device for special vehicle and vehicle - Google Patents
Hydrogen fuel cell and lithium ion capacitor composite energy storage device for special vehicle and vehicle Download PDFInfo
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- CN210984902U CN210984902U CN201922382667.3U CN201922382667U CN210984902U CN 210984902 U CN210984902 U CN 210984902U CN 201922382667 U CN201922382667 U CN 201922382667U CN 210984902 U CN210984902 U CN 210984902U
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- China
- Prior art keywords
- lithium ion
- fuel cell
- ion capacitor
- hydrogen fuel
- storage device
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 76
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 76
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 239000000446 fuel Substances 0.000 title claims abstract description 68
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 67
- 239000003990 capacitor Substances 0.000 title claims abstract description 63
- 238000004146 energy storage Methods 0.000 title claims abstract description 26
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000002253 acid Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Fuel Cell (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides a hydrogen fuel cell and compound energy memory of lithium ion electric capacity and vehicle for special vehicle, include: the hydrogen fuel cell stack, the lithium ion capacitor module and the hydrogen cylinder; the hydrogen cylinder is connected with the air inlet through a first pressure reducing valve and connected with the hydrogen fuel cell stack through an electromagnetic valve and a second pressure reducing valve; the hydrogen fuel cell stack and the lithium ion capacitor module are sequentially connected with a relay and an output port through a first DC/DC power supply module to output electric energy to a special vehicle; the lithium ion capacitor module outputs electric energy to a special vehicle and each electric component in the hydrogen fuel cell and lithium ion capacitor composite energy storage device for the special vehicle. The hydrogen fuel cell stack is compounded with the lithium ion capacitor, the lithium ion capacitor is adopted, the characteristics of high power and high specific energy are considered, and the power can be supplied to energy consumption functional devices in the composite energy storage device on the premise of ensuring that the requirement of instantaneous starting of special vehicles is met.
Description
Technical Field
The utility model relates to a special type vehicle field specifically, relates to a hydrogen fuel cell and compound energy memory of lithium ion electric capacity and vehicle for special type vehicle.
Background
The hydrogen fuel cell special vehicle is a zero-emission new energy electric special vehicle taking hydrogen fuel as main power, and has the characteristics of environmental protection, economy, practicability and the like. The fuel cell power system can directly replace a lead-acid cell power module to be used as a power source of a special vehicle, and the original special vehicle does not need to be modified. Therefore, the fuel cell power system not only can be used for a new special vehicle, but also can replace the replacement of a lead-acid battery power source of the special vehicle.
Although the energy density of the fuel cell is high, the power density is low due to the slow kinetic process of the electro-oxidation and oxygen electro-reduction reaction of the liquid fuel; in the prior art, a pure electric vehicle basically adopts a lithium ion battery as a power system, and under the condition of sufficient energy configuration, the battery pack is large in size, heavy in weight, poor in power performance and high-low temperature performance, and has serious risks of safety and environmental protection. Although the traditional super capacitor can meet the requirements of high power of an automobile during starting, accelerating and climbing, the energy density is low, and the large-capacity electric energy storage cannot be met; and the self-discharge rate of the super capacitor is high, and the electric quantity is zero after long-term storage. The lithium ion capacitor belongs to an asymmetric super capacitor, is generally formed by putting a battery type cathode and a capacitance type anode into an organic lithium salt solution together for assembly, has excellent performances of the battery type cathode and the capacitance type anode, has higher power density than a lithium ion battery and higher energy density than a super capacitor, and has wide market prospects in the aspects of smart power grids, urban public transportation, rail transit, aerospace, new energy automobiles and the like.
Therefore, how to combine the lithium ion capacitor with both energy density and power density with the fuel cell so that the composite energy storage device has the energy density exceeding the energy density and the better power characteristics is a research hotspot in the prior art.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a hydrogen fuel cell and compound energy memory of lithium ion electric capacity and vehicle for special type vehicle.
According to the utility model provides a pair of hydrogen fuel cell and compound energy memory of lithium ion electric capacity for special type vehicle, include: the hydrogen fuel cell stack 1, the lithium ion capacitor module 2 and the hydrogen cylinder 3;
the hydrogen cylinders 3 are connected with the gas inlet 11 through a first pressure reducing valve 13, and are connected with the hydrogen fuel cell stack 1 through an electromagnetic valve 14 and a second pressure reducing valve 18;
the hydrogen fuel cell stack 1 and the lithium ion capacitor module 2 are sequentially connected with a relay 8 and an output port 19 through a first DC/DC power module 5 to output electric energy to a special vehicle;
the lithium ion capacitor module 2 outputs electric energy to a special vehicle and each electric component in the hydrogen fuel cell and lithium ion capacitor composite energy storage device for the special vehicle.
Preferably, a battery management system 4 is also included;
the battery management system 4 is connected to the hydrogen fuel cell stack 1 and the lithium ion capacitor module 2, respectively.
Preferably, the device also comprises a signal acquisition device 6;
the signal acquisition device is electrically connected with the lithium ion capacitor module 2, and the signal acquisition device 6 comprises a temperature sensor, an ammeter or a voltmeter and respectively acquires the temperature, the current or the voltage of the hydrogen fuel cell stack 1 and the lithium ion capacitor module 2 and transmits the temperature, the current or the voltage to the battery management system 4.
Preferably, a hydrogen concentration sensor 17 is also included.
Preferably, the water diversion device 12 is connected with the hydrogen fuel electric pile 1 and guides the water generated by the hydrogen fuel electric pile 1 outwards.
Preferably, the starting device further comprises a starting switch 16 and a starting device 9, wherein the starting switch 16 is electrically connected with the starting device 9, and the starting device 9 is electrically connected with the electromagnetic valve 14.
Preferably, an emergency brake switch 15 is also included, electrically connected to said actuating means 9.
Preferably, the lithium ion capacitor module 2 outputs electric energy to the special vehicle and each electric component in the hydrogen fuel cell and lithium ion capacitor composite energy storage device for the special vehicle through the second DC/DC power module 7.
Preferably, the fuel cell system further comprises a fan 10 electrically connected to the lithium ion capacitor module 2 for dissipating heat from the hydrogen fuel cell stack 1 and the lithium ion capacitor module 2.
According to the utility model provides a pair of vehicle, including foretell special type hydrogen fuel cell and the compound energy memory of lithium ion capacity for vehicle.
Compared with the prior art, the utility model discloses following beneficial effect has:
the hydrogen fuel cell stack and the lithium ion capacitor are combined, so that the high power requirement of the hydrogen fuel cell stack during instant starting is guaranteed, and the long-time stable energy requirement under the normal working condition is also guaranteed.
The lithium ion capacitor is adopted, the characteristics of high power and high specific energy are considered, and the power can be supplied to energy consumption functional devices in the composite energy storage device on the premise of ensuring that the requirement of instantaneous starting of special vehicles is met.
Compared with a lithium ion battery, the lithium ion capacitor has higher rate characteristic, service life characteristic and low-temperature characteristic, so that the lithium ion capacitor can meet the service requirement of the same service life as a hydrogen fuel battery, has better low-temperature starting performance and maintenance-free characteristic, and is also applied to areas which are inconvenient to maintain, such as islands, remote areas and/or alpine regions.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a perspective view of the overall structure of a hydrogen fuel cell and a lithium ion capacitor composite energy storage device for a special vehicle according to the present invention;
fig. 2 is a perspective view of the overall structure of the hydrogen fuel cell and lithium ion capacitor composite energy storage device for special vehicles according to the present invention.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the hydrogen fuel cell and lithium ion capacitor composite energy storage device for a special vehicle includes a hydrogen fuel cell stack 1, a lithium ion capacitor module 2, a hydrogen cylinder 3, a battery management system 4, a first DC/DC power module 5, a signal acquisition device 6, a second DC/DC power module 7, a relay 8, a starting device 9, a fan 10, an air inlet 11, a water diversion device 12, a first pressure reducing valve 13, an electromagnetic valve 14, an emergency brake switch 15, a starting switch 16, a hydrogen concentration sensor 17, a second pressure reducing valve 18, and an output port 19.
The hydrogen cylinders 3 are connected to the gas inlet 11 through a first pressure reducing valve 13, and to the hydrogen fuel cell stack 1 through an electromagnetic valve 14 and a second pressure reducing valve 18, to supply hydrogen energy to the hydrogen fuel cell stack 1. The hydrogen fuel cell stack 1 and the lithium ion capacitor module 2 are sequentially connected with the relay 8 and the output port 19 through the first DC/DC power module 5 to output electric energy to the special vehicle. The water diversion device 12 is connected to the hydrogen fuel cell stack 1, and guides out water generated by the hydrogen fuel cell stack 1. The fan 10 is electrically connected with the lithium ion capacitor module 2 to dissipate heat of the hydrogen fuel cell stack 1 and the lithium ion capacitor module 2.
The lithium ion capacitor module 2 outputs electric energy to the special vehicle and each electric component in the hydrogen fuel cell and lithium ion capacitor composite energy storage device for the special vehicle through the second DC/DC power module 7. The hydrogen fuel cell stack 1 is supplied with instant start-up energy, and the power consumption devices in the composite energy storage device are supplied with power (for example, the signal acquisition device 6 is supplied with power through the second DC/DC power supply module 7).
The battery management system 4 is connected to the hydrogen fuel cell stack 1 and the lithium ion capacitor module 2, and manages power and time of energy output of the hydrogen fuel cell stack 1 and the lithium ion capacitor module 2. The signal acquisition device 6 is electrically connected with the lithium ion capacitor module 2, and the signal acquisition device 6 comprises a temperature sensor, an ammeter or a voltmeter, and respectively acquires the temperature, the current or the voltage of the hydrogen fuel cell stack 1 and the lithium ion capacitor module 2 and transmits the temperature, the current or the voltage to the battery management system 4.
In order to prevent the hydrogen cylinders 3 from leaking, a hydrogen concentration sensor 17 is also provided to give a timely warning when a leak is detected. The starting device also comprises a starting switch 16 and a starting device 9, wherein the starting switch 16 is electrically connected with the starting device 9, the starting device 9 is electrically connected with the electromagnetic valve 14, and when the starting switch 16 is pressed, the starting device 9 is triggered to send out a starting signal to control the electromagnetic valve 14 to be opened. The emergency brake switch 15 is electrically connected with the starting device 9, and when being pressed, the emergency brake switch triggers the starting device 9 to send out a stop signal, and the electromagnetic valve 14 is controlled to be closed.
The utility model discloses mainly can be applied to in the special type vehicle, but not be restricted to this, also can be for reaching the utility model discloses the ordinary civilian vehicle of effect.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A hydrogen fuel cell and lithium ion capacitor composite energy storage device for special vehicles is characterized by comprising: the hydrogen fuel cell stack (1), the lithium ion capacitor module (2) and the hydrogen cylinder (3);
the hydrogen cylinder (3) is connected with the air inlet (11) through a first pressure reducing valve (13) and is connected with the hydrogen fuel cell stack (1) through an electromagnetic valve (14) and a second pressure reducing valve (18);
the hydrogen fuel cell stack (1) and the lithium ion capacitor module (2) are sequentially connected with a relay (8) and an output port (19) through a first DC/DC power module (5) to output electric energy to a special vehicle;
the lithium ion capacitor module (2) outputs electric energy to a special vehicle and various electric components in the hydrogen fuel cell and lithium ion capacitor composite energy storage device for the special vehicle.
2. The hydrogen fuel cell and lithium ion capacitor composite energy storage device for special vehicles according to claim 1, characterized by further comprising a battery management system (4);
the battery management system (4) is respectively connected with the hydrogen fuel electric pile (1) and the lithium ion capacitor module (2).
3. The hydrogen fuel cell and lithium ion capacitor composite energy storage device for special vehicles according to claim 2, characterized by further comprising a signal acquisition device (6);
the signal acquisition device is electrically connected with the lithium ion capacitor module (2), and the signal acquisition device (6) comprises a temperature sensor, an ammeter or a voltmeter and respectively acquires the temperature, the current or the voltage of the hydrogen fuel cell stack (1) and the lithium ion capacitor module (2) and transmits the temperature, the current or the voltage to the battery management system (4).
4. The hybrid energy storage device of hydrogen fuel cell and lithium ion capacitor for special vehicle as claimed in claim 1, characterized by further comprising a hydrogen concentration sensor (17).
5. The composite energy storage device of hydrogen fuel cell and lithium ion capacitor for special vehicle as claimed in claim 1, characterized by further comprising a water diversion device (12) connected with the hydrogen fuel cell stack (1) for conducting out water generated by the hydrogen fuel cell stack (1).
6. A hydrogen fuel cell and lithium ion capacitor composite energy storage device for special vehicle according to claim 1, characterized by further comprising a starting switch (16) and a starting device (9), wherein the starting switch (16) is electrically connected with the starting device (9), and the starting device (9) is electrically connected with the electromagnetic valve (14).
7. A hydrogen fuel cell and lithium ion capacitor composite energy storage device for special vehicles according to claim 6, characterized by further comprising an emergency brake switch (15) electrically connected with the starting device (9).
8. The hybrid energy storage device of hydrogen fuel cell and lithium ion capacitor for special vehicle according to claim 1, wherein the lithium ion capacitor module (2) outputs electric energy to each electric component in the special vehicle and the hybrid energy storage device of hydrogen fuel cell and lithium ion capacitor for special vehicle through a second DC/DC power supply module (7).
9. The composite energy storage device of hydrogen fuel cell and lithium ion capacitor for special vehicle as claimed in claim 1, further comprising a fan (10) electrically connected to the lithium ion capacitor module (2) for dissipating heat of the hydrogen fuel cell stack (1) and the lithium ion capacitor module (2).
10. A vehicle, characterized by comprising the hydrogen fuel cell for special vehicles of any one of claims 1 to 9 and a lithium ion capacitor composite energy storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922382667.3U CN210984902U (en) | 2019-12-26 | 2019-12-26 | Hydrogen fuel cell and lithium ion capacitor composite energy storage device for special vehicle and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922382667.3U CN210984902U (en) | 2019-12-26 | 2019-12-26 | Hydrogen fuel cell and lithium ion capacitor composite energy storage device for special vehicle and vehicle |
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| CN210984902U true CN210984902U (en) | 2020-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448001A (en) * | 2020-11-19 | 2021-03-05 | 山东交通学院 | Multifunctional fuel cell power supply equipment |
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2019
- 2019-12-26 CN CN201922382667.3U patent/CN210984902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112448001A (en) * | 2020-11-19 | 2021-03-05 | 山东交通学院 | Multifunctional fuel cell power supply equipment |
| CN112448001B (en) * | 2020-11-19 | 2022-02-08 | 山东交通学院 | Multifunctional fuel cell power supply equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231103 Address after: 201112, 7th Floor, Building 1, No. 501 Wanfang Road, Minhang District, Shanghai Patentee after: SHANGHAI AEROSPACE POWER TECHNOLOGY Co.,Ltd. Address before: Room 201, Building 3, 880 Ziyue Road, Minhang District, Shanghai, 200241 Patentee before: SHANGHAI POWER ENERGY STORAGE BATTERY SYSTEM ENGINEERING TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |