CN109728225A - A kind of battery modules and its samming temperature control method - Google Patents
A kind of battery modules and its samming temperature control method Download PDFInfo
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- CN109728225A CN109728225A CN201910017459.5A CN201910017459A CN109728225A CN 109728225 A CN109728225 A CN 109728225A CN 201910017459 A CN201910017459 A CN 201910017459A CN 109728225 A CN109728225 A CN 109728225A
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- accumulation
- battery
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- heat
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a kind of battery modules, including accumulation of energy conducting-heat elements, multiple battery cores are equidistantly installed, the both ends of the battery core are run through equipped with support plate and busbar connector, and one end of the support plate is contradicted in the side of accumulation of energy conducting-heat elements on the accumulation of energy conducting-heat elements；The invention also provides a kind of battery modules samming temperature control methods.The present invention is by being arranged accumulation of energy on battery modules ontology, conducting-heat elements, heat conductive pad is arranged to realize the samming between the temperature control and its interior battery core to mould group in mould group end face, the temperature of battery modules ontology can not only be reduced, the space temperature variation in mould group can also be reduced, mould group heat derives can also be gone simultaneously, to maintain battery core in mould group to work within the scope of a relatively friendly temperature, effectively extend the service life of battery modules, and the discharge-rate of battery core can be greatly improved, make full use of the energy content of battery, avoid the need for increasing battery parallel connection quantity come generation the case where realizing high-power output.
Description
Technical field
The present invention relates to battery modules technical field more particularly to a kind of battery modules and its samming temperature control methods.
Background technique
Currently, being limited to its technology path itself, the mass energy density and power of monomer for lithium ion battery
Density all has certain upper limit, and the battery developed on the basis of for a certain material system is itself, above-mentioned two ginseng
There are the case where mutually restricting in number, the demand at this and demand end is not inconsistent.In practical implementation case, to battery modules/be
System had not only required high mass energy density (i.e. lightweight), but also required big power density (i.e. big multiplying power discharging)；
And the electric discharge of big multiplying power can generate a large amount of heat, it is excellent can just to play its in the environment temperature of " relatively mild " in view of battery core
The characteristics of performance, therefore, it is necessary to be aided with samming temperature control measure to battery modules/system.
Currently, be mainly to be realized by devices such as cold plate or pipes for the cooling of battery and samming, wherein cold plate or
Pipe is fixed on the outside of battery modules by modes such as bolt, riveting, splicing.Existing way due to device only with entire battery mould
The external face contact of group, can only cool down or region that samming mould group is directly contacted with device, can not cool down not in contact with region or
Temperature is poor, will increase the temperature gradient of contact area and non-contact area in this way, influences the uniform temperature of entire mould group, moreover, logical
In normal situation, the high-temperature area of battery modules is respectively positioned at several battery cores near its geometric center position, and existing apparatus is not
It can cool down well to the battery core in high-temperature area, so on the one hand to the system of multiple mould group thermal management logics in system
Surely bigger difficulty is brought, on the other hand aggravates the use process inconsistency of battery core, while battery core state estimation error
Also it will increase, for this purpose, we have proposed a kind of battery modules and its samming temperature control method to solve the above problems.
Summary of the invention
The purpose of the present invention is to solve disadvantage existing in the prior art, and a kind of battery modules that propose and its
Control temp method.
To achieve the goals above, present invention employs following technical solutions:
A kind of battery modules, including accumulation of energy conducting-heat elements are equidistantly equipped with multiple battery cores on the accumulation of energy conducting-heat elements,
The both ends of the battery core are run through equipped with support plate and busbar connector, and one end of the support plate is contradicted the one of accumulation of energy conducting-heat elements
One end of side, the busbar connector is contradicted in the side of battery core, and the lower end of the accumulation of energy conducting-heat elements, support plate and busbar connector is common
It is fixed with heat conductive pad.
Preferably, the battery core is lithium ion battery.
The invention also provides a kind of battery modules samming temperature control methods, comprising the following steps:
S1, prepare suitable accumulation of energy, Heat Conduction Material；
S2, component is made in accumulation of energy, Heat Conduction Material, battery core is uniformly encased in accumulation of energy conducting-heat elements；
S3, mould group is formed using support plate, accumulation of energy conducting-heat elements and busbar connector；
S4, mould group is placed on heat conductive pad；
S5, according to actual condition, temperature change in mould group is measured；
One in the thermal coefficient and thickness of S6, adjustment accumulation of energy, the enthalpy of Heat Conduction Material and thermal coefficient and heat conductive pad
Or multiple parameter values, until the maximum temperaturerise of adjusting mould group is in safe range, and the temperature difference in mould group between different zones is opposite
Uniformly.
Preferably, the Heat Conduction Material is high-molecular organic material.
In the present invention, when in use, first prepares suitable accumulation of energy, Heat Conduction Material, portion then is made in accumulation of energy, Heat Conduction Material
Then battery core is uniformly fitted into the component, then is aided with support plate, busbar connector etc. by part forms mould group, and mould group is placed in heat conductive pad
Top measure in mould group that temperature variations are whether in determined temperature boundary condition according to actual condition, if not both
Determine in temperature boundary condition, adjusts the thermal coefficient and thickness of above-mentioned accumulation of energy, the enthalpy of Heat Conduction Material and thermal coefficient and heat conductive pad
One or more parameter values in degree, until the maximum temperaturerise of mould group is in safe range and the temperature difference in mould group between different zones
Relatively uniform, heat conductive pad is arranged by the way that accumulation of energy, conducting-heat elements, mould group end face are arranged on battery modules ontology to realize in the present invention
The samming between temperature control and its interior battery core to mould group, can not only reduce the temperature of battery modules ontology, can also reduce mould
Space temperature variation in group, while mould group heat derives can also be gone, to maintain in mould group battery core in a relatively friendly temperature
Work in range is spent, effectively extends the service life of battery modules, and the discharge-rate of battery core can be greatly improved, sufficiently benefit
With the energy content of battery, avoid the need for increasing battery parallel connection quantity come generation the case where realizing high-power output.
Detailed description of the invention
Fig. 1 is a kind of explosive view of battery modules proposed by the present invention；
Fig. 2 is that (wherein, a is the song that the device is not used to a kind of t- △ T curve figure of battery modules proposed by the present invention
Line, b are the curve using the device)；
Fig. 3 be a kind of t-T curve graph of battery modules proposed by the present invention (wherein, a be the curve that the device is not used,
B is the curve using the device).
In figure: 1 busbar connector, 2 heat conductive pads, 3 support plates, 4 battery cores, 5 accumulation of energy conducting-heat elements.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of battery modules, including accumulation of energy conducting-heat elements 5, convenient for storing energy, on accumulation of energy conducting-heat elements 5
Multiple battery cores 4 are equidistantly installed, the both ends of battery core 4 are run through equipped with support plate 3 and busbar connector 1, and busbar connector 1 is mainly multiple
Public line between battery core, for transmitting electric current, information between battery core, one end of support plate 3 is contradicted in accumulation of energy conducting-heat elements 5
Side, one end of busbar connector 1 contradicts in the side of battery core 4, and the lower end of accumulation of energy conducting-heat elements 5, support plate 3 and busbar connector 1 is total
With heat conductive pad 2 is fixed with, battery core 4 is lithium ion battery, and lithium ion battery takes into account big specific energy density and high specific power is close
Degree, long service life.
The invention also provides a kind of battery modules samming temperature control methods, comprising the following steps:
S1, prepare suitable accumulation of energy, Heat Conduction Material, Heat Conduction Material is high-molecular organic material；
S2, component is made in accumulation of energy, Heat Conduction Material, battery core 4 is uniformly encased in accumulation of energy conducting-heat elements 5, facilitating will be electric
The fever of core 4 is stored, is shifted；
S3, mould group is formed using support plate 3, accumulation of energy conducting-heat elements 5 and busbar connector 1, facilitates equal control temp；
S4, mould group is placed on heat conductive pad 2；
S5, according to actual condition, temperature change in mould group is measured, to judge that temperature variations are in mould group
It is no in determined temperature boundary condition；
One in the thermal coefficient and thickness of S6, adjustment accumulation of energy, the enthalpy of Heat Conduction Material and thermal coefficient and heat conductive pad
Or multiple parameter values, until the maximum temperaturerise of adjusting mould group is in safe range, and the temperature difference in mould group between different zones is opposite
Uniformly.
In the present invention, when in use, prepares suitable accumulation of energy, Heat Conduction Material, portion then is made in accumulation of energy, Heat Conduction Material
Then battery core 4 is uniformly fitted into the component by part, then be aided with support plate 3, busbar connector 1 etc. and form mould group, and mould group is placed in and is led
The top of heat pad 2 measures in mould group temperature variations whether in determined temperature boundary condition according to actual condition, if
Not in determined temperature boundary condition, the thermally conductive system of above-mentioned accumulation of energy, the enthalpy of Heat Conduction Material and thermal coefficient and heat conductive pad 2 is adjusted
Several one or more parameter values with thickness, until the maximum temperaturerise of mould group is in safe range, and not same district in mould group
The temperature difference between domain is relatively uniform, extends the service life of battery modules, avoids the need for increasing battery parallel connection quantity to realize greatly
The case where power output, occurs.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of battery modules, including accumulation of energy conducting-heat elements (5), it is characterised in that: equidistant on the accumulation of energy conducting-heat elements (5)
It is equipped with multiple battery cores (4), the both ends of the battery core (4) are run through equipped with support plate (3) and busbar connector (1), the support plate
(3) one end is contradicted in the side of accumulation of energy conducting-heat elements (5), and one end of the busbar connector (1) is contradicted in the side of battery core (4),
The lower end of the accumulation of energy conducting-heat elements (5), support plate (3) and busbar connector (1) is fixed with heat conductive pad (2) jointly.
2. a kind of battery modules according to claim 1, which is characterized in that the battery core (4) is lithium ion battery.
3. a kind of battery modules samming temperature control method, which comprises the following steps:
S1, prepare suitable accumulation of energy, Heat Conduction Material；
S2, component is made in accumulation of energy, Heat Conduction Material, battery core (4) is uniformly encased in accumulation of energy conducting-heat elements (5)；
S3, mould group is formed using support plate (3), accumulation of energy conducting-heat elements (5) and busbar connector (1)；
S4, mould group is placed on heat conductive pad (2)；
S5, according to actual condition, temperature change in mould group is measured；
One or more in the thermal coefficient and thickness of S6, adjustment accumulation of energy, the enthalpy of Heat Conduction Material and thermal coefficient and heat conductive pad
A parameter value, until the maximum temperaturerise of adjusting mould group is in safe range, and the temperature difference in mould group between different zones is relatively uniform.
4. a kind of battery modules samming temperature control method according to claim 3, which is characterized in that the Heat Conduction Material is to have
Machine high molecular material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910017459.5A CN109728225A (en) | 2019-01-08 | 2019-01-08 | A kind of battery modules and its samming temperature control method |
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| CN201910017459.5A CN109728225A (en) | 2019-01-08 | 2019-01-08 | A kind of battery modules and its samming temperature control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112349994A (en) * | 2020-11-02 | 2021-02-09 | 中国第一汽车股份有限公司 | Manufacturing method of power battery, power battery and automobile |
| CN112421144A (en) * | 2020-11-11 | 2021-02-26 | 湖北亿纬动力有限公司 | Battery module |
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Application publication date: 20190507 |