CN109950434A - A kind of hard shell battery and its battery case - Google Patents
A kind of hard shell battery and its battery case Download PDFInfo
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- CN109950434A CN109950434A CN201711385686.0A CN201711385686A CN109950434A CN 109950434 A CN109950434 A CN 109950434A CN 201711385686 A CN201711385686 A CN 201711385686A CN 109950434 A CN109950434 A CN 109950434A
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- Prior art keywords
- battery
- battery case
- hard shell
- medium
- entrance
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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
Abstract
The present invention relates to a kind of hard shell battery and its battery cases.The hard shell battery includes battery core and the battery case that is wrapped in outside battery core, is equipped with medium channel circulate for heat transferring medium in the battery case, and battery case is equipped with the entrance flowed into for heat transferring medium and the outlet flowed out for heat transferring medium.There are outlet and entrance on battery case, has medium channel in battery case.Heat transferring medium is flowed into through entrance in the medium channel of battery case, is flowed out again through outlet later, and the battery core that heat transferring medium and battery case are wrapped in carries out heat exchange, achievees the purpose that hard shell battery temperature is adjusted.Thus provide a kind of temperature adjusting stabilization, the high hard shell battery of regulations speed and its battery case used.
Description
Technical field
The present invention relates to a kind of hard shell battery and its battery cases.
Background technique
The development of new-energy automobile has great importance for economizing on resources and improving environment, meanwhile, new-energy automobile
Energy source --- the development of battery is most important for the popularization of new-energy automobile.Conventional batteries include anode, cathode, every
The battery core part that film, plus plate current-collecting body, negative current collector, electrolyte and battery cover form also includes battery case part.Lithium from
Sub- battery is due to having many advantages, such as that energy density is high, power density is high, the service life is long, memory-less effect becomes new-energy automobile electricity
The first choice in pond.
But the performance of performance of lithium ion battery is limited to environment temperature.At low ambient temperatures, due to keys such as electrolyte
The ionic conductance of material declines rapidly, and lithium ion battery charge-discharge velocity is caused to be decreased obviously, or even can occur can not charge and discharge
The case where；Under high temperature environment, the side reaction aggravation of electrolyte, electrode material, causes the lithium ion battery service life to be decayed rapidly.Institute
With the temperature of lithium ion battery adjusts most important for improving the performances such as its cycle life, charge-discharge velocity.Currently, hard shell
The temperature adjusting of battery is concentrated mainly on mould group or battery pack level.
Publication No. is the Chinese patent of CN105849968A, proposes the side of a kind of round-the-clock battery and its manufacture and use
Method.For this battery compared with conventional batteries, inside battery, which additionally comprises, is connected to one or more of one or more resistor discs
The switch of a high resistance terminal and switching cell resistance rank.Lower than normal running temperature such as less than 5 DEG C at a temperature of or
Subfreezing temperature (temperature less than about 0 DEG C, for example, being less than about at a temperature of -10 DEG C, -20 DEG C, -30 DEG C or -40 DEG C),
It is heated using the heat production of battery internal resistance piece to battery core.But this battery exists because switch failure leads to thermal runaway in the prior art
Risk.To the cooling of battery mainly by external water-cooled plate or it is air-cooled in the way of, but these mode cooling effects are poor, speed
Rate is slow.Develop stability and high efficiency, the battery temperature regulation technology of high-speed still suffers from huge challenge.
Summary of the invention
The purpose of the present invention is to provide a kind of temperature adjustments to stablize, the high hard shell battery of regulations speed；Of the invention another
It is stable to be designed to provide a kind of temperature adjustment, the battery case of the high hard shell used in battery of regulations speed.
To achieve the above object, the technical solution of hard shell battery of the invention is as follows:
A kind of hard shell battery of scheme 1. includes battery core and the battery case that is wrapped in outside battery core, is equipped in the battery case for changing
The medium channel of medium passing, the battery case is equipped with the entrance flowed into for heat transferring medium and for heat transferring medium outflow
Outlet.
This programme has the beneficial effect that there is outlet and entrance on battery case, has medium channel in battery case.Heat exchange
Medium is flowed into through entrance in the medium channel of battery case, is flowed out later using outlet, and heat transferring medium and battery case wrap up
Battery core carry out heat exchange, achieve the purpose that hard shell battery temperature adjust.The temperature regulation section of battery is made to divide not shadow in this way
The working portion of battery is rung, temperature, which is adjusted, to be stablized.
The hard shell battery according to scheme 1 of scheme 2., the side wall of the battery case are made of inner and outer wall, and interior
Wall and outer wall middle section are equipped with medium channel.
This programme has the beneficial effect that the medium channel of the hard shell battery can be set among cell casing side wall
In hollow structure.It may be implemented to adjust the temperature of battery when circulation heat transferring medium in the medium channel.
The hard shell battery according to scheme 1 or 2 of scheme 3., the battery case inner and outer wall centre are equipped with isolation junction
Structure, it is the medium channel that battery case is partitioned into the cavity being connected between outlet and entrance by the isolation structure.
This programme has the beneficial effect that medium channel volume is bigger, and the effect adjusted to temperature is better, but liquid flow
Logical resistance is bigger, so considering other factors while reaching temperature regulation effect, medium channel has been designed to shape
Cavity.
The hard shell battery according to scheme 1 of scheme 4., the entrance and exit are separately positioned on the ipsilateral of battery case
Or two sides.
This programme has the beneficial effect that thermoregulation effect is more preferable so that heat transferring medium sufficiently circulates in battery case.
The hard shell battery according to scheme 1 of scheme 5., the battery case are plastic material, elemental metals or alloy
Material.
This programme has the beneficial effect that the material that can be used is more diversified, can meet making for hard shell battery
With effect, the light materials such as plastics can be used to realize light-weighted purpose.
The technical solution of the battery case of hard shell battery of the invention is as follows:
A kind of battery case of scheme 1., the battery case is interior to be equipped with the medium channel to circulate for heat transferring medium, the battery case
Body is equipped with the entrance flowed into for heat transferring medium and for the outlet of heat transferring medium outflow.
This programme has the beneficial effect that there is outlet and entrance on battery case, has medium channel in battery case.Heat exchange
Medium is flowed into through entrance in the medium channel of battery case, is flowed out later using outlet, and heat transferring medium and battery case wrap up
Battery core carry out heat exchange, achieve the purpose that hard shell battery temperature adjust.The temperature regulation section of battery is made to divide not shadow in this way
The working portion of battery is rung, temperature, which is adjusted, to be stablized.
The battery case according to scheme 1 of scheme 2., the side wall of the battery case are made of inner and outer wall, and interior
Wall and outer wall middle section are equipped with medium channel.
This programme has the beneficial effect that the medium channel of the hard shell battery can be set among cell casing side wall
In hollow structure.It may be implemented to adjust the temperature of battery when circulation heat transferring medium in the medium channel.
The battery case according to scheme 1 or 2 of scheme 3., the battery case inner and outer wall centre are equipped with isolation junction
Structure, it is the medium channel that battery case is partitioned into the cavity being connected between outlet and entrance by the isolation structure.
This programme has the beneficial effect that medium channel volume is bigger, and the effect adjusted to temperature is better, but liquid flow
Logical resistance is bigger, so considering other factors while reaching temperature regulation effect, medium channel has been designed to shape
Cavity.
The battery case according to scheme 1 of scheme 4, the entrance and exit be separately positioned on the ipsilateral of battery case or
Two sides.
This programme has the beneficial effect that thermoregulation effect is more preferable so that heat transferring medium sufficiently circulates in battery case.
The battery case according to scheme 1 of scheme 5., the battery case are plastic material, elemental metals or alloy
Material.
This programme has the beneficial effect that the material that can be used is more diversified, can meet making for hard shell battery
With effect, the light materials such as plastics can be used to realize light-weighted purpose.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment 1 of hard shell battery of the present invention；
Fig. 2 is the structural schematic diagram of the embodiment 2 of hard shell battery of the present invention；
Fig. 3 is the structural schematic diagram of the embodiment 3 of hard shell battery of the present invention；
Fig. 4 is the structural schematic diagram of the embodiment 4 of hard shell battery of the present invention.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
A kind of specific embodiment 1 of hard shell battery of the invention, as shown in Figure 1, the hard shell battery be it is rectangular, by battery
Shell 5 and battery core 6 form, and battery case 5 is made of outer wall 1 and inner wall 2, and one is formed among outer wall 1 and inner wall 2 for making to change
The heat exchanging medium passage 4 of hot media channel circulation has on battery case 5 one to change for making heat transferring medium flow into battery case 5
The entrance 3 of hot media channel 4 and an outlet 9 for being used to that heat transferring medium to be made to flow out 5 heat exchanging medium passage 4 of battery case.This is hard
The entrance 3 of housing battery and outlet 9 are in the opposite side of battery case 5.The battery core 6 of hard shell battery has positive terminal 7 and negative pole end
Son 8,7 terminal of anode and negative terminal 8 of battery are arranged in the top of hard shell battery.
When hard shell battery needs to heat, it can be passed through heat medium in heat exchanging medium passage 4, heat medium is in medium pump
Under the action of flowed into from entrance 3, flow through the heat exchanging medium passage 4 of battery case, bring heat for hard shell battery, make battery liter
Temperature, heat transferring medium is flowed out from outlet 9 later, and hard shell battery is being back flowed back into after the heating device of hard shell outside batteries, complete
It is recycled at one.
When hard shell battery needs cooling, cooling medium, work of the cooling medium in medium pump can be passed through in hollow parts
It is flowed under from entrance 3, flows through the heat exchanging medium passage 4 of battery case, the heat of hard shell battery is taken away, reach cooling mesh
, cooling medium is flowed out from outlet 9 later, and hard shell battery is being back flowed back into after the cooling device of hard shell outside batteries, complete
It is recycled at one.
The specific embodiment 2 of hard shell battery of the invention, as shown in Fig. 2, the difference from embodiment 1 is that: this hard shell
Battery is cylindrical, positive terminal 7 and negative terminal 8 of the battery core 6 with the top and bottom for being arranged in hard shell battery.
The specific embodiment 3 of hard shell battery of the invention, as shown in figure 3, the difference from example 2 is that: hard shell battery
Battery case on entrance 39 mutually staggered in height with outlet.
The specific embodiment 4 of hard shell battery of the invention, as shown in figure 4, being with the difference of embodiment 3: entrance 3 with go out
Between mouthfuls 9 isolated part by battery case be divided into helix shape cavity structure be battery case heat exchanging medium passage
4。
In the other embodiments of hard shell battery of the invention, it can be arranged and Jie that exchanges heat on side wall in the bottom of hard shell battery
The identical structure in matter channel 4.
In the other embodiments of hard shell battery of the invention, the shape of hard shell battery can be other shapes, such as prism-shaped.
In the other embodiments of hard shell battery of the invention, heat exchanging medium passage 4 can be set according to the needs that temperature is adjusted
It is set to other shapes.
In the other embodiments of hard shell battery of the invention, entrance 3 and outlet 9 on battery case can be located at hard shell electricity
The same side in pond.
In the other embodiments of hard shell battery of the invention, the case material of battery can be other elemental metals,
It can be alloy composite either non-metallic material.
In the other embodiments of hard shell battery of the invention, heat transferring medium can be coolant liquid, refrigerant etc. and be suitable as leading
One or more kinds of combinations of hot liquid.
In the other embodiments of hard shell battery of the invention, the type of hard shell battery can be lead-acid battery, nickel-metal hydride battery,
Ni-Cr battery, supercapacitor, lithium ion battery, solid state battery etc..
In the other embodiments of hard shell battery of the invention, the material system of hard shell battery can be any material system,
Such as lithium ion battery, cobalt acid lithium battery, ternary lithium battery, lithium manganate battery, ferric phosphate lithium cell etc. can be.
Battery case in the specific embodiment of battery case of the present invention, with any embodiment of aforementioned present invention hard shell battery
The structure of body is identical, is not repeated to illustrate.
Claims (10)
1. a kind of hard shell battery, including battery core and the battery case being wrapped in outside battery core, it is characterised in that: in the battery case
Equipped with the medium channel to circulate for heat transferring medium, the battery case is situated between equipped with the entrance flowed into for heat transferring medium and for heat exchange
The outlet that mass flow goes out.
2. hard shell battery according to claim 1, it is characterised in that: the side wall of the battery case is by inner and outer wall structure
At, and inner and outer wall middle section is equipped with medium channel.
3. hard shell battery according to claim 1 or 2, it is characterised in that: set among the battery case inner and outer wall
There is isolation structure, it is Jie that battery case is partitioned into the cavity being connected between outlet and entrance by the isolation structure
Matter channel.
4. hard shell battery according to claim 1, it is characterised in that: the entrance and exit is separately positioned on battery case
Ipsilateral or two sides.
5. hard shell battery according to claim 1, it is characterised in that: the battery case is plastic material, elemental gold
Category or alloy material.
6. a kind of battery case, it is characterised in that: the medium channel to circulate for heat transferring medium is equipped in the battery case, it is described
Battery case is equipped with the entrance flowed into for heat transferring medium and for the outlet of heat transferring medium outflow.
7. battery case according to claim 6, it is characterised in that: the side wall of the battery case is by inner and outer wall structure
At, and inner and outer wall middle section is equipped with medium channel.
8. battery case according to claim 6 or 7, it is characterised in that: set among the battery case inner and outer wall
There is isolation structure, it is Jie that battery case is partitioned into the cavity being connected between outlet and entrance by the isolation structure
Matter channel.
9. battery case according to claim 6, it is characterised in that: the entrance and exit is separately positioned on battery case
Ipsilateral or two sides.
10. battery case according to claim 6, it is characterised in that: the battery case is plastic material, elemental gold
Category or alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385686.0A CN109950434A (en) | 2017-12-20 | 2017-12-20 | A kind of hard shell battery and its battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711385686.0A CN109950434A (en) | 2017-12-20 | 2017-12-20 | A kind of hard shell battery and its battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109950434A true CN109950434A (en) | 2019-06-28 |
Family
ID=67004227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711385686.0A Pending CN109950434A (en) | 2017-12-20 | 2017-12-20 | A kind of hard shell battery and its battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109950434A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659230A (en) * | 2021-07-22 | 2021-11-16 | 的卢技术有限公司 | Battery pack thermal management system, control method thereof and vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593509A (en) * | 2012-02-28 | 2012-07-18 | 浙江南博电源科技有限公司 | High-capacity square lithium ion battery |
| CN202474052U (en) * | 2012-03-23 | 2012-10-03 | 浙江南博电源科技有限公司 | High-capacity cylindrical lithium ion battery housing |
| CN203056025U (en) * | 2012-07-21 | 2013-07-10 | 浙江南博电源科技有限公司 | High-capacity square lithium ion battery |
| CN103367661A (en) * | 2012-04-10 | 2013-10-23 | 罗伯特·博世有限公司 | Hard shell battery housing having a temperature-control device |
-
2017
- 2017-12-20 CN CN201711385686.0A patent/CN109950434A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593509A (en) * | 2012-02-28 | 2012-07-18 | 浙江南博电源科技有限公司 | High-capacity square lithium ion battery |
| CN202474052U (en) * | 2012-03-23 | 2012-10-03 | 浙江南博电源科技有限公司 | High-capacity cylindrical lithium ion battery housing |
| CN103367661A (en) * | 2012-04-10 | 2013-10-23 | 罗伯特·博世有限公司 | Hard shell battery housing having a temperature-control device |
| CN203056025U (en) * | 2012-07-21 | 2013-07-10 | 浙江南博电源科技有限公司 | High-capacity square lithium ion battery |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113659230A (en) * | 2021-07-22 | 2021-11-16 | 的卢技术有限公司 | Battery pack thermal management system, control method thereof and vehicle |
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