CN108183281A - The lithium ion battery of radiator structure is set in a kind of - Google Patents
The lithium ion battery of radiator structure is set in a kind of Download PDFInfo
- Publication number
- CN108183281A CN108183281A CN201711455274.XA CN201711455274A CN108183281A CN 108183281 A CN108183281 A CN 108183281A CN 201711455274 A CN201711455274 A CN 201711455274A CN 108183281 A CN108183281 A CN 108183281A
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- Prior art keywords
- battery
- cooling fin
- lithium ion
- pole group
- ion battery
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/654—Means for temperature control structurally associated with the cells located inside the innermost case of the cells, e.g. mandrels, electrodes or electrolytes
-
- 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
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a kind of interior lithium ion batteries for setting radiator structure, and including battery case (2), the top left and right ends of the battery case (2) are respectively provided with positive terminal (11) and negative terminal (12)；There are battery room (3) in the battery case (2), the battery room (3) includes multiple pole groups (30) for being vertically set up in parallel from front to back；At least one cooling fin (5) is provided on the outside of any one of pole group (30)；Each cooling fin (5) connects with the inner wall of the battery case (2).The present invention in inside battery by setting cooling fin; can heat dissipation conduction quickly and efficiently be carried out to the heat of inside battery in time; distribute heat to outside batteries; performance and safety problem caused by effectively preventing internal temperature of battery unevenness, overheat; ensure the safe to use of battery; the scale of industry can be formed, is conducive to widely apply, be of great practical significance.
Description
Technical field
The present invention relates to battery technology field, more particularly to a kind of interior lithium ion battery for setting radiator structure.
Background technology
At present, lithium ion battery has many advantages, such as high working voltage, high-energy-density, has extended cycle life, non-environmental-pollution, no
It is only used widely on mobile communication apparatus and portable electronic device, and is widely used in electric vehicle, electricity
It is the Main way of major battery producer development at present in terms of the dynamic large and medium-sized electrical equipment such as bicycle and electric tool.
Requirement for electric vehicle course continuation mileage, energy density, power density etc., lithium-ion-power cell is
Constantly develop to high-energy density, high power density, cost effective direction.For this purpose, battery producer is when designing lithium ion battery,
The capacity for usually considering increase battery, simplifies the modes such as battery structure at the fast charging and discharging ability for promoting battery.
If carrying out the charge and discharge of high current to battery, fast charging and discharging is carried out especially for large capacity, large volume battery,
The problem of rate of heat production is high, battery core central temperature is excessively high, heat is difficult to quickly shed so easily is formed, is not only seriously compromised
The performance of battery and service life can also cause the thermal runaway of battery, the use of serious threat battery and security performance when serious.
For this purpose, currently in order to radiating to battery, the mode being usually taken is after combo is carried out to battery, in battery
Increase the devices such as air-cooled, liquid is cold in system, will cause to occupy the confined space valuable on automobile, and reduce battery in this way
Integral energy density increases whole production cost, and be difficult to timely and effectively to battery especially high capacity cell inside
Heat carry out heat dissipation conduction.
It therefore, can be in time quickly and efficiently to the heat of inside battery at present there is an urgent need to develop a kind of technology is gone out
Heat dissipation conduction is carried out, distributes heat to outside batteries, ensures the safe to use of battery.
Invention content
In view of this, the object of the present invention is to provide a kind of interior lithium ion batteries for setting radiator structure, can be fast in time
Speed effectively carries out heat dissipation conduction to the heat of inside battery, distributes heat to outside batteries, ensures the use peace of battery
Entirely, the scale of industry can be formed, is conducive to widely apply, be of great practical significance.
For this purpose, the present invention provides a kind of interior lithium ion battery for setting radiator structure, including battery case, outside the battery
The top left and right ends of shell are respectively provided with positive terminal and negative terminal；
There is battery room, the battery room includes vertically being set up in parallel from front to back multiple in the battery case
Pole group；
At least one cooling fin is provided on the outside of any one of pole group；
Each cooling fin connects with the inner wall of the battery case.
Wherein, the battery case is aluminum hull or box hat.
Wherein, the cooling fin is aluminium foil or graphite flake.
Wherein, each pole group be by positive plate, negative plate and battery diaphragm by way of winding or lamination system
The plate pole group made.
Wherein, the front and rear sides of each pole group and bottom are enclosed with the cooling fin.
Wherein, the side in the front and rear sides of each cooling fin and the front side of the battery case or rear side inner wall
Connect, the opposite side of each cooling fin is fixed in the gap between two adjacent pole groups.
Wherein, when the front and rear sides face of each pole group and bottom are enclosed with the cooling fin, positioned at the battery
The outer front part of cooling fin wrapped up of the pole group of core room first half is folded on the leading flank of the battery room, is located at
The outer rear section of cooling fin wrapped up of the pole group of battery room latter half is folded into the rear side of the battery room
On face.
Wherein, the front and rear sides face of each pole group and left and right sides are enclosed with the cooling fin.
Wherein, the side in the front and rear sides of each cooling fin and the front side of the battery case or rear side inner wall
Connect, the opposite side of each cooling fin is fixed in the gap between two adjacent pole groups.
Wherein, the bottom of each pole group is additionally provided with insulating layer.
By above technical solution provided by the invention as it can be seen that compared with prior art, being set in one kind provided by the invention
The lithium ion battery of radiator structure, can be in time quickly and efficiently to inside battery by setting cooling fin in inside battery
Heat carry out heat dissipation conduction, distribute heat to outside batteries, effectively prevent internal temperature of battery is uneven, caused by overheat
Performance and safety problem ensure the safe to use of battery, can form the scale of industry, are conducive to widely apply, have
Great production practices meaning.
In addition, for the present invention, due to its cooling fin used have the characteristics that it is light and thin so that the weight that cooling fin is brought
Amount and thickness increase can be ignored substantially, will not reduce the ratio energy of battery.Compared with battery system in it is air-cooled, liquid is cold etc.
Structure is compared, and cooling fin is almost not take up additional quality and space, and low cost, meets very much current power battery high energy amount
Density and cost effective requirement.
Description of the drawings
Fig. 1 is a kind of front view of interior lithium ion battery for setting radiator structure provided by the invention；
Fig. 2 is a kind of left view of interior lithium ion battery for setting radiator structure provided by the invention；
Fig. 3 is a kind of cut away left side view of interior lithium ion battery core room for setting radiator structure provided by the invention；
Fig. 4 is a kind of bottom of the cut away left side view of interior lithium ion battery core room for setting radiator structure provided by the invention
Enlarged drawing；
In figure, 1 is pole, and 11 be positive terminal, and 12 be negative terminal, and 2 be battery case, and 3 be battery room, and 30 be pole group,
41 be anode ear, and 42 be negative electrode lug, and 5 be cooling fin.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction with the accompanying drawings with embodiment to this
Invention is described in further detail.
Referring to Fig. 1 to Fig. 4, the present invention provides a kind of interior lithium ion battery for setting radiator structure, by battery
Portion sets cooling fin, quickly and efficiently can carry out heat dissipation conduction to the heat of inside battery in time, distribute heat to battery
Outside effectively prevents performance and safety problem caused by internal temperature of battery unevenness, overheat.
The lithium ion battery of radiator structure is set in provided by the invention, specifically includes battery case 2, the battery case 2
Top left and right ends be respectively provided with positive terminal 11 and negative terminal 12；
There is battery room 3, the battery room 3 includes what is be vertically set up in parallel from front to back in the battery case 2
Multiple pole groups 30 (be not limited to four shown in FIG. 1, can be two or any other multiple)；
The outside of any one of pole group 30 is provided at least one cooling fin 5 and (is not limited to one shown in Fig. 2, tool
Body quantity can be adjusted according to practical battery assembly space and degree of heat radiation)；
Each cooling fin 5 connects with the inner wall of the battery case 2.
In the present invention, in specific implementation, the battery case 2 is specifically as follows aluminium to hold transcalent metal shell
Shell or box hat.
In the present invention, in specific implementation, the cooling fin 5 can be aluminium foil or graphite flake, or other
It anticipates a kind of light laminated with good heat conductive ability.
In the present invention, in specific implementation, each pole group 30 is preferably led to by positive plate, negative plate and battery diaphragm
Cross the plate pole group that makes of mode of winding or lamination.
In specific implementation, the battery diaphragm can include one layer or multilayer Porous-Organic diaphragm, the battery diaphragm
Material can be the polymer materials such as polypropylene, polyethylene.
In specific implementation, the anode ear 41 in each pole group 30 is connected with the positive terminal 11, each pole
Negative electrode lug 42 in group 30 is connected with the negative terminal 12.
In the present invention, in specific implementation, the front and rear sides and bottom of each pole group 30 are enclosed with the cooling fin
5, specific implementation is：The front side of side in the front and rear sides of each cooling fin 5 and the battery case 2 or after
Side inner wall connects, and the opposite side of each cooling fin 5 is fixed in the gap between two adjacent pole groups 30.
In addition, in specific implementation, for the present invention, can also be：The front and rear sides face and left and right of each pole group 30
Two sides are enclosed with the cooling fin 5, and specific implementation is：Side and institute in the front and rear sides of each cooling fin 5
The front side or rear side inner wall for stating battery case 2 connect, the opposite side of each cooling fin 5 be fixed on consecutive roots group gap it
Between.
In the present invention, it should be noted that for the present invention, when the front and rear sides of each pole group 30 and bottom are wrapped
When being wrapped with the cooling fin 5, wherein, before the outer cooling fin 5 wrapped up of pole group 30 of 3 first half of battery room
Side part is folded on the leading flank of the battery room 3, is wrapped up outside the pole group 30 of 3 latter half of battery room
The rear section of cooling fin 5 be folded on the trailing flank of the battery room 3；Therefore, at this point, each cooling fin 5
The left and right sides can direct or through front and rear sides inner wall of other cooling fins indirectly with the battery case 2 and connect, therefore
By the cooling fin with thermal conductive resin, can realize the heat transfer that group 30 surface in pole has to battery case 2 in time
It goes up and distributes.
Specifically mounting means can be：Between cooling fin is placed in two pole groups, it is close to two pole group outer diaphragms, then
From pole, group bottom gap is pierced by, and the bottom around pole group is folded to the leading flank of battery room 3 or battery (is close in trailing flank
The face of outer casing inner wall) on.
It should also be noted that, about 3 first half of battery room, if battery room 3 includes even number pole group
30, such as the battery room 3 for including four pole groups 30, two pole groups 30 positioned at front are the pole groups 30 of first half.
And for including the battery room 3 of odd number pole group 30, it is wrapped up outside the pole group 30 of longitudinally middle position
Cooling fin 5 can be folded on leading flank or the trailing flank of the battery room 3.
In the present invention, it should be noted that for the present invention, when the front and rear sides face of each pole group 30 and left and right
When two sides are enclosed with the cooling fin 5, the left and right sides of each cooling fin 5 left and right with the battery case 2 respectively
Both sides inner wall connects.Therefore, at this time by the cooling fin with thermal conductive resin, can realize in time has 30 surface of pole group
Heat transfer to battery case 2 on and distribute.
For the present invention, when battery room 3 is packed into the battery case 2 of metal material, cooling fin 5 can be with battery case 2
Connection.In specific implementation, connect positive/negative plate when bypassing pole group bottom in order to avoid cooling fin and cause short circuit, each pole
The bottom of group 30 is additionally provided with insulating layer.
In the present invention, since cooling fin is installed between pole group gap rather than same pole group positive/negative plate, it will not
Lead to the safety problems such as the capacity loss generated due to the lacking counter electrode of some pole piece or analysis lithium.
It should be noted that for the present invention, since the cooling fins such as aluminium foil, graphite flake have good heat conductivity, heat
Amount can be quickly conducted into battery case and distributed from the inside of pole group.
The present invention is especially suitable for high quantity of heat production, low heat emission rate, the high high capacity cell of battery core internal temperature and fast
It fills, put type battery soon.For accelerate battery heat dissipation, keep battery core internal temperature it is uniform, stabilization have extraordinary effect, so as to
Prevent the problem of battery is due to performance caused by over-heat inside and safety decline.In addition, the heat dissipation used in the present invention
Piece have the characteristics that it is light, thin, at low cost, while can avoid battery should install other structures additional caused by energy density decline and cost
The problem of increase.
It can thus be stated that the present invention can promote electricity by increasing science, effective radiator structure in the inside of battery
Heat conduction inside pond ensures that the central temperature of inside battery pole group is uniform, and it is bad fundamentally to solve existing battery heat dissipation
The problem of.
Therefore, in conclusion compared with prior art, the present invention provides a kind of interior lithium-ion electrics for setting radiator structure
Pond by setting cooling fin in inside battery, quickly and efficiently can carry out heat dissipation biography to the heat of inside battery in time
It leads, distributes heat to outside batteries, effectively prevent performance and safety problem caused by internal temperature of battery unevenness, overheat,
Ensure the safe to use of battery, the scale of industry can be formed, be conducive to widely apply that there are great production practices to anticipate
Justice.
In addition, for the present invention, due to its cooling fin used have the characteristics that it is light and thin so that the weight that cooling fin is brought
Amount and thickness increase can be ignored substantially, will not reduce the ratio energy of battery.Compared with battery system in it is air-cooled, liquid is cold etc.
Structure is compared, and cooling fin is almost not take up additional quality and space, and low cost, meets very much current power battery high energy amount
Density and cost effective requirement.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. the lithium ion battery of radiator structure is set in a kind of, which is characterized in that including battery case (2), the battery case (2)
Top left and right ends be respectively provided with positive terminal (11) and negative terminal (12)；
There are battery room (3) in the battery case (2), the battery room (3) including being vertically set up in parallel from front to back
Multiple pole groups (30)；
At least one cooling fin (5) is provided on the outside of any one of pole group (30)；
Each cooling fin (5) connects with the inner wall of the battery case (2).
2. lithium ion battery as described in claim 1, which is characterized in that the battery case (2) is aluminum hull or box hat.
3. lithium ion battery as described in claim 1, which is characterized in that the cooling fin (5) is aluminium foil or graphite flake.
4. lithium ion battery as described in claim 1, which is characterized in that each pole group (30) is by positive plate, cathode
The plate pole group that piece and battery diaphragm are made by way of winding or lamination.
5. lithium ion battery according to any one of claims 1 to 4, which is characterized in that before each pole group (30)
Both sides and bottom are enclosed with the cooling fin (5) afterwards.
6. lithium ion battery as claimed in claim 5, which is characterized in that in the front and rear sides of each cooling fin (5)
Side connects with the front side of the battery case (2) or rear side inner wall, and the opposite side of each cooling fin (5) is fixed on two
In gap between a adjacent pole group (30).
7. lithium ion battery as claimed in claim 5, which is characterized in that when the front and rear sides and bottom of each pole group (30)
When portion is enclosed with the cooling fin (5), the cooling fin that is wrapped up outside positioned at the pole group (30) of battery room (3) first half
(5) front part is folded on the leading flank of the battery room (3), positioned at the pole of battery room (3) latter half
The rear section of cooling fin (5) that group (30) is wrapped up outside is folded on the trailing flank of the battery room (3).
8. lithium ion battery according to any one of claims 1 to 4, which is characterized in that before each pole group (30)
Both sides and left and right sides are covered with the cooling fin (5) afterwards.
9. lithium ion battery as claimed in claim 8, which is characterized in that in the front and rear sides of each cooling fin (5)
Side connects with the front side of the battery case (2) or rear side inner wall, and the opposite side of each cooling fin (5) is fixed on two
In gap between a adjacent pole group (30).
10. lithium ion battery as claimed in claim 5, which is characterized in that the bottom of each pole group (30) is additionally provided with
Insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711455274.XA CN108183281A (en) | 2017-12-28 | 2017-12-28 | The lithium ion battery of radiator structure is set in a kind of |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711455274.XA CN108183281A (en) | 2017-12-28 | 2017-12-28 | The lithium ion battery of radiator structure is set in a kind of |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108183281A true CN108183281A (en) | 2018-06-19 |
Family
ID=62548233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711455274.XA Pending CN108183281A (en) | 2017-12-28 | 2017-12-28 | The lithium ion battery of radiator structure is set in a kind of |
Country Status (1)
| Country | Link |
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| CN (1) | CN108183281A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098429A (en) * | 2019-03-22 | 2019-08-06 | 华为技术有限公司 | A kind of battery, power device and battery core installation method |
| CN114551962A (en) * | 2021-12-31 | 2022-05-27 | 天津力神特种电源科技股份公司 | High-capacity and high-safety battery structure |
| WO2022120666A1 (en) * | 2020-12-10 | 2022-06-16 | 微宏动力系统（湖州）有限公司 | Lithium ion secondary battery and electric vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203013880U (en) * | 2012-11-14 | 2013-06-19 | 中信国安盟固利动力科技有限公司 | Lithium ion battery with graphite cooling fins |
| CN205194813U (en) * | 2015-12-08 | 2016-04-27 | 浙江超威创元实业有限公司 | Cooling structure of lithium ion battery module |
| CN107369791A (en) * | 2016-05-11 | 2017-11-21 | 上海蓝诺新能源技术有限公司 | Electrokinetic cell bag |
-
2017
- 2017-12-28 CN CN201711455274.XA patent/CN108183281A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203013880U (en) * | 2012-11-14 | 2013-06-19 | 中信国安盟固利动力科技有限公司 | Lithium ion battery with graphite cooling fins |
| CN205194813U (en) * | 2015-12-08 | 2016-04-27 | 浙江超威创元实业有限公司 | Cooling structure of lithium ion battery module |
| CN107369791A (en) * | 2016-05-11 | 2017-11-21 | 上海蓝诺新能源技术有限公司 | Electrokinetic cell bag |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098429A (en) * | 2019-03-22 | 2019-08-06 | 华为技术有限公司 | A kind of battery, power device and battery core installation method |
| CN110098429B (en) * | 2019-03-22 | 2021-11-26 | 华为数字能源技术有限公司 | Battery, power utilization device and battery core installation method |
| WO2022120666A1 (en) * | 2020-12-10 | 2022-06-16 | 微宏动力系统（湖州）有限公司 | Lithium ion secondary battery and electric vehicle |
| CN114551962A (en) * | 2021-12-31 | 2022-05-27 | 天津力神特种电源科技股份公司 | High-capacity and high-safety battery structure |
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Application publication date: 20180619 |
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