CN106785223A - The attemperating unit of lithium battery in methanol fuel cell and lithium battery hybrid power system - Google Patents
The attemperating unit of lithium battery in methanol fuel cell and lithium battery hybrid power system Download PDFInfo
- Publication number
- CN106785223A CN106785223A CN201710110122.XA CN201710110122A CN106785223A CN 106785223 A CN106785223 A CN 106785223A CN 201710110122 A CN201710110122 A CN 201710110122A CN 106785223 A CN106785223 A CN 106785223A
- Authority
- CN
- China
- Prior art keywords
- lithium battery
- heat exchange
- heat
- exchange bag
- surge tank
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/659—Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
-
- 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
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses the attemperating unit of lithium battery in the dynamical system of a kind of methanol fuel cell and lithium battery, it is stored with fluid reservoir and is capable of the organic amine of absorbing carbon dioxide；The exhaust outlet of methanol fuel cell is connected in the organic amine of fluid reservoir, and fluid reservoir is connected to surge tank.Lithium battery and heat exchange bag link together, and by being connected with surge tank communicating pipe, be stored with the cavity of the bag that exchanges heat the organic amine flowed into from surge tank in the cavity for making heat exchange bag.Attemperating unit can play a part of to adequately protect round-the-clock to lithium battery, its can auto-control lithium battery temperature prevent lithium battery from overheat phenomenon on fire occur.Simple structure of the present invention, it is safe and reliable, it is easy to maintenance, it is cheap, it is a kind of product with popularization meaning.
Description
Technical field
The present invention relates to hybrid power system for automobile technical field, more particularly to a kind of methanol fuel cell is mixed with lithium battery
Close the lithium battery attemperating unit in dynamical system.
Background technology
, when in use because energy density is high, there is high temperature and be also easy to produce overheat and the failure such as on fire in lithium battery as power source
Phenomenon, in the prior art to overheat active preventive measure be BMS coordinate fuse prevent, passive scheme be use
Vehicle-mounted fire extinguisher is put out a fire in time, therefore, the temperature that temperature adjusting is carried out to lithium battery to control dynamic lithium battery is maintained at
Preferred range is just very crucial.Radiating mode of the prior art generally uses wind-cooling heat dissipating mode, and air-cooled heat dissipation structure takes
Volume is big, and effect is limited, limits the range of application of dynamic lithium battery.Also water cooling method is occurred in that, such as in tesla
In automobile dynamic system, this water cooling method haves the shortcomings that high cost and design are complicated.At present due to lithium battery with
The scheme that methanol fuel cell combines the new dynamical system of composition has occurred, but without designing this hybrid power system
The device of temperature control is carried out to lithium battery, therefore, how effective temperature control is carried out to lithium battery for this hybrid power system
It is the problem that need be solved.
The content of the invention
For the demand that double-power electric cell system described at present is present, it is an object of the invention to provide a kind of first
The dynamical system of alcohol fuel battery and lithium battery can auto-control lithium battery temperature, prevent lithium battery from overheat phenomenon on fire occur
Attemperating unit.
To achieve the above object, the invention provides following technical scheme：
The attemperating unit of lithium battery in the dynamical system of a kind of methanol fuel cell and lithium battery, including fluid reservoir, buffering
Tank and heat exchange are wrapped；It is stored with the fluid reservoir and is capable of the organic amine of absorbing carbon dioxide；The fluid reservoir, surge tank and change
Heat bag is sequentially connected
The exhaust outlet of the methanol fuel cell is connected in the organic amine of fluid reservoir, and the fluid reservoir is connected by communicating pipe
Surge tank is connected to, makes the organic amine flowed into from fluid reservoir that is stored with surge tank；The lithium battery and heat exchange bag are connected to one
Rise, heat exchange bag envelopes lithium battery surface, the box body in its underpart formation cavity for one；The cavity of the heat exchange bag is by connecting
Siphunculus is connected with surge tank, and be stored with the organic amine flowed into from surge tank in the cavity for making heat exchange bag.
Connected by a connecting pipe between the heat exchange bag bottom and liquid storage pot bottom, described communicating pipe be provided with pressure release
Valve.
Temperature and pressure sensor is provided with the heat exchange bag, the sensor connects warning device.
Circulating pump is connected between the heat exchange bag bottom and surge tank.
Electric heater unit is provided with the heat exchange bag.
Preferably, the heat exchange bag is metal case.
Preferably, the heat exchange bag is the box body for only enveloping lithium battery bottom surface.
Preferably, the heat exchange bag is the box body for enveloping lithium battery two sides or three faces.
The course of work of the attemperating unit of the lithium battery, using containing CO2Amine Solutions as heat transferring medium；
During summer, the heat transferring medium organic amine in fluid reservoir absorbs the CO in pile tail gas2Enter from fluid reservoir afterwards and buffer
Lower the temperature in tank, the heat transferring medium after cooling enters heat exchange and wraps, and the heat that lithium battery is produced is absorbed by heat transferring medium, CO2After heat absorption
Evaporation；And when temperature or hypertonia in the bag that exchanges heat, relief valve is opened, in heat transferring medium is returned to fluid reservoir, now delay
The heat transferring medium rushed in tank is added in heat exchange bag, it is ensured that enough heat transferring mediums, the heat that lithium battery is produced are kept in heat exchange bag
Amount can be taken away in time；
During winter, heat transferring medium can be from surge tank middle part by the effect of circulating pump after absorbing the heat in pile tail gas
Rapidly enter heat exchange bag neighbouring communicating pipe to heat lithium battery, produce circulation so that lithium battery rapidly enters best effective
Rate point.
The present invention has the following advantages that relative to prior art：
It utilizes the reaction principle of methanol fuel cell：Hydrogen and oxygen can be consumed, and contain in pile tail gas
CO2, can be by organic amine efficient absorption as heat transferring medium.During summer, the heat that lithium battery is produced is absorbed by heat transferring medium；Winter
It when, heat transferring medium absorb pile tail gas in heat after can enter heat exchange bag lithium battery is heated.When in the bag that exchanges heat
Temperature it is too high when, heat transferring medium may return in fluid reservoir again, the heat transferring medium in surge tank add to heat exchange bag in, it is ensured that
The heat that lithium battery is produced can be taken away in time.Attemperating unit is in the round-the-clock work that can be played to lithium battery and adequately protected
With, its can auto-control lithium battery temperature prevent lithium battery from overheat phenomenon on fire occur.Simple structure of the present invention, safely may be used
Lean on, it is easy to maintenance, it is cheap, it is a kind of product with popularization meaning.
Brief description of the drawings
Fig. 1 is the knot of a kind of methanol fuel cell of the invention and the attemperating unit of lithium battery in the dynamical system of lithium battery
Structure schematic diagram.
In figure：1st, lithium battery；2nd, fluid reservoir；3rd, surge tank；4th, heat exchange bag；5th, relief valve；6th, sensor；7th, circulating pump.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, in the dynamical system of a kind of methanol fuel cell and lithium battery lithium battery attemperating unit, including storage
Flow container 2, surge tank 3 and heat exchange bag 4.It is stored with the fluid reservoir 2 and is capable of the organic amine of absorbing carbon dioxide.The methyl alcohol
The exhaust outlet of fuel cell (not drawn in figure) is connected in the organic amine of fluid reservoir 2, and the fluid reservoir 2 is connected to by communicating pipe
Surge tank 3, makes the organic amine flowed into from fluid reservoir 2 that is stored with surge tank 3.The lithium battery 1 and metal system heat exchange bag 4 connect
It is connected together, heat exchange bag 4 is one and envelopes the surface of lithium battery 1, forms the box body of cavity in its underpart.The heat exchange bag 4
Cavity is connected communicating pipe by the near middle of surge tank 3 with surge tank 3, is stored with the cavity for making heat exchange bag 4 from surge tank 3
The organic amine of inflow.It is worth noting that, the structure type of heat exchange bag 4 can envelope the bottom surface of lithium battery 1, such as accompanying drawing 1
Shown in, or envelope two sides, three faces etc., the present invention is not construed as limiting, can be according to specific vehicle concrete condition depending on.
Preferably, connected by a connecting pipe between heat exchange 4 bottoms of bag and the bottom of fluid reservoir 2, described communicating pipe
It is provided with relief valve 5.
Preferably, the sensor 6 of temperature and pressure, the connection alarm dress of the sensor 6 are provided with the heat exchange bag 4
Put.Temperature is detected in heat exchange bag 4 when sensor 6 or during hypertonia, relief valve 5 is opened, used as the organic amine of heat transferring medium
Enter in fluid reservoir 2 from heat exchange bag 4.Now, warning device also begins to alarm, reminds the power output of lithium battery 1 and needs drop
It is low, and the power output of methanol fuel cell need to be increased.Lithium battery 1 is so then effectively protected, extends the use longevity of lithium battery 1
Life.
Preferably, it is connected with circulating pump 7 between heat exchange 4 bottoms of bag and surge tank 3.At in winter, heat transferring medium (has
Machine amine) absorb pile tail gas in heat after can by the ringing of circulating pump 7 rapidly enter heat exchange bag 4, to lithium battery 1
Heated so that lithium battery 1 rapidly enters best efficiency point.
Preferably, it is provided with electric heater unit in the heat exchange bag 4.Electric heater unit be in order in heat exchange medium temperature not
When enough high can fast heating accelerate the lifting temperature of lithium battery 1.
The attemperating unit of lithium battery in the dynamical system of a kind of methanol fuel cell of the invention and lithium battery 1, its utilization
The reaction principle of methanol fuel cell：CH3OH+H2O→CO2+3H2, because hydrogen and oxygen can be consumed, in pile tail gas
Contain CO2, organic amine being capable of efficient absorption CO2(technique may be referred to the scientific achievement of East China University of Science Yu Haiyang professor
With paper).CO will be contained in the present invention2Amine Solutions as heat transferring medium.During summer, the heat transferring medium in fluid reservoir 2
Organic amine absorbs CO2Enter in surge tank 3 from fluid reservoir 2 afterwards and lower the temperature, the heat transferring medium after cooling enters heat exchange bag 4, lithium battery 1
The heat of generation is absorbed by heat transferring medium, CO2Evaporated after heat absorption.And when temperature or hypertonia in heat exchange bag 4, relief valve
5 open, in heat transferring medium is returned to fluid reservoir 2.Now the heat transferring medium in surge tank 3 adds to heat exchange and wraps in 4, it is ensured that heat exchange
Enough heat transferring mediums, the heat that lithium battery 1 is produced is kept to be taken away in time in bag 4.At in winter, heat transferring medium absorbs
Effect after heat in pile tail gas by circulating pump 7 can rapidly enter heat exchange communicating pipe from the near middle of surge tank 3
4 pairs of lithium batteries 1 of bag are heated, and produce circulation so that lithium battery 1 rapidly enters best efficiency point.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (10)
1. in the dynamical system of a kind of methanol fuel cell and lithium battery lithium battery attemperating unit, it is characterised in that：Including storage
Flow container (2), surge tank (3) and heat exchange bag (4)；It is stored with the fluid reservoir (2) and is capable of the organic amine of absorbing carbon dioxide；
The fluid reservoir (2), surge tank (3) and heat exchange bag (4) are sequentially connected.
2. the attemperating unit of lithium battery according to claim 1, it is characterised in that：The exhaust outlet of the methanol fuel cell
It is connected in the organic amine of fluid reservoir (2), the fluid reservoir (2) makes surge tank (3) by being connected to surge tank (3) communicating pipe
In be stored with the organic amine flowed into from the fluid reservoir (2)；The lithium battery (1) and heat exchange bag (4) link together, heat exchange bag
(4) for one envelopes lithium battery (1) surface, the box body in its underpart formation cavity；The cavity of heat exchange bag (4) is by slow
The communicating pipe for rushing tank (3) near middle is connected with surge tank (3), is stored with the cavity for making heat exchange bag (4) from surge tank (3) stream
The organic amine for entering.
3. the attemperating unit of lithium battery according to claim 1, it is characterised in that：Heat exchange bag (4) bottom and the liquid storage
Connected by a connecting pipe between tank (2) bottom, be provided with relief valve (5) described communicating pipe.
4. the attemperating unit of the lithium battery according to claim 1 or 3, it is characterised in that：It is provided with heat exchange bag (4)
The sensor (6) of temperature and pressure, the sensor (6) connects warning device.
5. the attemperating unit of lithium battery according to claim 1, it is characterised in that：Heat exchange bag (4) bottom and buffering
Circulating pump (7) is connected between tank (3).
6. the attemperating unit of lithium battery according to claim 1, it is characterised in that：Electricity is provided with heat exchange bag (4)
Heater.
7. the attemperating unit of lithium battery according to claim 1, it is characterised in that：Heat exchange bag (4) is metal case.
8. the attemperating unit of the lithium battery according to claim 1 or 7, it is characterised in that：Heat exchange bag (4) is only to coat
The firmly box body of the bottom surface of lithium battery 1.
9. the attemperating unit of the lithium battery according to claim 1 or 7, it is characterised in that：Heat exchange bag (4) is to envelope
The two sides of lithium battery 1 or the box body in three faces.
10. the course of work of the attemperating unit of lithium battery described in claim 1, it is characterised in that：Using containing CO2Organic amine
Solution is used as heat transferring medium；
During summer, the heat transferring medium organic amine in fluid reservoir 2 absorbs the CO in pile tail gas2Enter surge tank 3 from fluid reservoir 2 afterwards
Middle cooling, the heat transferring medium after cooling enters heat exchange bag 4, and the heat that lithium battery 1 is produced is absorbed by heat transferring medium, CO2After heat absorption
Evaporation；And when temperature or hypertonia in heat exchange bag 4, relief valve 5 is opened, in heat transferring medium is returned to fluid reservoir 2, now
Heat transferring medium in surge tank 3 is added in heat exchange bag 4, it is ensured that keep enough heat transferring mediums, lithium battery 1 to produce in heat exchange bag 4
Raw heat can be taken away in time；
During winter, heat transferring medium can be attached from the middle part of surge tank 3 by the effect of circulating pump 7 after absorbing the heat in pile tail gas
Rapidly enter heat exchange 4 pairs of lithium batteries 1 of bag near communicating pipe to heat, produce circulation so that lithium battery 1 rapidly enters best effective
Rate point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710110122.XA CN106785223A (en) | 2017-02-28 | 2017-02-28 | The attemperating unit of lithium battery in methanol fuel cell and lithium battery hybrid power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710110122.XA CN106785223A (en) | 2017-02-28 | 2017-02-28 | The attemperating unit of lithium battery in methanol fuel cell and lithium battery hybrid power system |
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| Publication Number | Publication Date |
|---|---|
| CN106785223A true CN106785223A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710110122.XA Pending CN106785223A (en) | 2017-02-28 | 2017-02-28 | The attemperating unit of lithium battery in methanol fuel cell and lithium battery hybrid power system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258264A (en) * | 2018-01-12 | 2018-07-06 | 湘潭大学 | A kind of multimedium heat exchanger for methanol fuel cell |
-
2017
- 2017-02-28 CN CN201710110122.XA patent/CN106785223A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258264A (en) * | 2018-01-12 | 2018-07-06 | 湘潭大学 | A kind of multimedium heat exchanger for methanol fuel cell |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170803 Address after: 411105 Hunan province Xiangtan City Yuhu donkey Tong Street Gaoling Road No. 5, Xiangtan University College of Mechanical Engineering Applicant after: Li Yi Address before: 310024, Xihu District, Zhejiang, Hangzhou Tong Tong straight street, building 5, Jianshe Road, unit 3, 202 Applicant before: Li Zhulin |
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| TA01 | Transfer of patent application right | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |