CN210668613U - Mechanism for quickly radiating battery core - Google Patents
Mechanism for quickly radiating battery core Download PDFInfo
- Publication number
- CN210668613U CN210668613U CN201921228309.0U CN201921228309U CN210668613U CN 210668613 U CN210668613 U CN 210668613U CN 201921228309 U CN201921228309 U CN 201921228309U CN 210668613 U CN210668613 U CN 210668613U
- Authority
- CN
- China
- Prior art keywords
- heat
- connecting plate
- battery cell
- battery
- heat dissipation
- 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.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a quick heat dissipation mechanism for a battery cell, which comprises a battery cell with a positive electrode and a negative electrode at the end parts; the battery cell is also provided with a heat dissipation mechanism, and the heat dissipation mechanism comprises a first connecting plate, a second connecting plate, a ceramic plate with heat conducting layers on two sides and a heat dissipation part; the first connecting plate and the second connecting plate are respectively connected with the positive electrode and the negative electrode of the battery cell; the first connecting plate and the second connecting plate are respectively connected with the heat-conducting layer on one surface of the heat-conducting ceramic plate through respective poles; and the other heat conducting layer of the heat conducting ceramic plate is welded with the heat radiating part. The utility model discloses an utilize good heat conductivility that ceramic material itself has and excellent insulating properties to dispel the heat fast battery package electricity core, ensure that the electric core temperature of battery package is more balanced, reduce or eliminate the heat concentration effect of battery.
Description
Technical Field
The utility model relates to a car battery heat dissipation field, concretely relates to quick heat dissipation mechanism to battery electricity core.
Background
With the continuous and new-month-easy technology of batteries, batteries are widely applied in various fields of life, for example, the batteries are the most core components of new energy electric vehicles, and the performance of the batteries determines the performance of the new energy electric vehicles. As the energy density of the battery is higher and higher, if the two battery cores of the battery are in short circuit or leak electricity, instantaneous heavy current discharge can be caused, and sparks and explosion are easy to generate, so that accidents are caused. Therefore, the cell of the battery is often wrapped with a thicker insulated plastic part. However, during charging and discharging of the battery, a battery core generates a large amount of heat, which is the highest temperature part in the battery, and because the periphery of the battery is wrapped by the insulating plastic parts, even if a water cooling circulation system is adopted around the battery, the heat transfer is slow, so that the time lag of more than 15 minutes is usually caused, and at the moment, if the temperature rises too fast, accidents are easily caused.
Batteries on a new energy electric vehicle are often composed of 4 battery packs to form a battery pack, and one new energy electric vehicle is often composed of 20 groups of battery packs. In the battery pack in each battery pack, the battery cores often generate different temperatures in application, so that temperature difference is formed, and the temperature is higher and higher due to a heat concentration effect at the highest temperature point, so that the local damage of the battery is accelerated, a vicious circle is formed, the service life of the battery is shortened, and the output of energy is rapidly attenuated. Particularly, the battery cell is used as a main component of the battery, and when the battery is in a working state, the temperature of the battery cell is highest; that is to say, the performance of the battery cell directly determines the performance of the whole battery.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a quick heat dissipation mechanism for battery cells, which can prolong the service life of a battery pack; the output power of the whole battery pack is improved, and the defect of low power supply efficiency and poor performance of the conventional battery pack is overcome.
In order to solve the prior art problem, the utility model adopts the following technical scheme:
a quick heat dissipation mechanism for a battery cell comprises the battery cell with a positive electrode and a negative electrode at the end parts; the battery cell is also provided with a heat dissipation mechanism, and the heat dissipation mechanism comprises a first connecting plate, a second connecting plate, a ceramic plate with heat conducting layers on two sides and a heat dissipation part; the first connecting plate and the second connecting plate are respectively connected with the positive electrode and the negative electrode of the battery cell; the first connecting plate and the second connecting plate are respectively connected with the heat-conducting layer on one surface of the heat-conducting ceramic plate through respective poles; and the other heat conducting layer of the heat conducting ceramic plate is welded with the heat radiating part.
Utmost point post is connected with outside extension utmost point ear respectively, utmost point post with first connection is provided with insulating lid between being connected with the second, the cover is equipped with insulating part on the cylinder of utmost point post.
The heat conduction layer on the ceramic plate is a copper-clad layer or a metal thick film.
The heat dissipation part is an integral radiator, and an insulator is filled between the radiator and the ceramic plate.
The radiator component is a split type radiating bar.
And a heat-conducting shell is arranged outside the battery cell.
In order to solve the technical problem in the prior art, the utility model discloses following technical scheme can also be adopted:
a processing method of a quick heat dissipation mechanism for a battery cell comprises the following steps:
s1, connecting the positive electrode and the negative electrode of the battery cell with the first connecting plate and the second connecting plate respectively;
s2, poles on the first connecting plate and the second connecting plate are respectively connected with the heat conducting layer on one surface of the ceramic plate through silica gel; the heat conducting layer on one side of the ceramic plate is connected with the heat radiating part through brazing slurry.
Advantageous effects
1. The utility model discloses an utilize good heat conductivility that ceramic material itself has and excellent insulating properties to dispel the heat fast battery package electricity core, ensure that the electric core temperature of battery package is more balanced, reduce or eliminate the heat concentration effect of battery.
2. The utility model discloses a two-sided ceramic plate, the radiator that have the metal level constitute heat dissipation mechanism and the ingenious combination of electric core, ensure that single electric core can dispel the heat fast simultaneously in power supply process, and then exert the charge rate and the security of whole group battery better.
3. The utility model improves the heat dissipation of the battery cell, which can prolong the service life of the battery pack; the output power of the whole battery pack is improved, and the defect of low power supply efficiency and poor performance of the conventional battery pack is overcome.
4. The utility model meets the requirements of modern production, saves energy and protects environment; is suitable for popularization and application.
Drawings
Fig. 1 is the utility model discloses a battery package structure sketch map with quick heat dissipation mechanism of battery electricity core.
Fig. 2 is the utility model discloses a group battery structure schematic diagram with quick heat dissipation mechanism of battery electricity core.
Fig. 3 is a schematic diagram of a battery pack structure with a mechanism for rapidly dissipating heat from battery cells according to the present invention.
Detailed Description
The utility model is explained in one step with the attached drawings as follows:
as shown in fig. 1, the utility model provides a mechanism for rapidly dissipating heat from a battery cell, which comprises a battery cell 101 and a heat dissipation mechanism 201; the end parts of the battery cells 101 are provided with positive and negative electrodes (102,103), and the heat dissipation mechanism 201 comprises a first connecting plate 202, a second connecting plate 203, a double-sided copper-clad ceramic plate 204 and a heat sink 205; wherein, a first connecting plate 202 and a second connecting plate 203 are respectively arranged on the positive electrode (102) and the negative electrode (103), and a first pole column 202a and a second pole column 203a which are communicated with the positive electrode (102) and the negative electrode (103) are respectively arranged on the first connecting plate 202 and the second connecting plate 203; an insulating cover 206 is arranged between the first connecting plate 202 and the second connecting plate 203; the first pole column 202a and the second pole column 203a are respectively sleeved with an insulating part 207; wherein, the insulating part 207 is a silica gel sleeve; the ends of the first pole column 202a and the second pole column 203a are respectively connected with a tab 208 extending outwards; the pole posts (202a,203a) are welded with the copper-clad layer on one surface of the ceramic plate 204 by laser, and the copper-clad layer on the other surface of the ceramic plate is brazed with the heat radiator 205 by slurry; the gap between the heat sink 205 and the insulating cover 206 is filled with an insulator 209.
As shown in fig. 2, the utility model provides a mechanism for rapidly dissipating heat from a battery cell, which comprises a battery cell 101 and a heat dissipation mechanism 201; the ends of the battery core 101 are provided with positive and negative electrodes (102,103), and the heat dissipation mechanism 201 comprises a first connecting plate 202, a second connecting plate 203, a double-sided metal thick film ceramic plate 204 and a heat dissipation row 205; wherein, a first connecting plate 202 and a second connecting plate 203 are respectively arranged on the positive electrode (102) and the negative electrode (103), and a first pole column 202a and a second pole column 203a which are communicated with the positive electrode (102) and the negative electrode (103) are respectively arranged on the first connecting plate 202 and the second connecting plate 203; an insulating cover 206 is arranged between the first connecting plate 202 and the second connecting plate 203; the first pole column 202a and the second pole column 203a are respectively sleeved with an insulating part 207; wherein the insulating part 207 is a rubber cap; the ends of the first pole column 202a and the second pole column 203a are respectively connected with a tab 208 extending outwards; the pole posts (202a,203a) are connected with a metal thick film layer on one surface of the ceramic plate 204 through silica gel, and the metal thick film layer on the other surface of the ceramic plate 204 is brazed with the heat dissipation bar 205 through slurry; the heat dissipation rows 205 are independently mounted on the ceramic plate 204.
As shown in fig. 3, the utility model provides a mechanism for rapidly dissipating heat from a battery cell, which comprises a battery cell 101 and a heat dissipation mechanism 201; positive and negative electrodes (102,103) are arranged at the ends of the battery cell 101, and the heat dissipation mechanism 201 comprises a first connecting plate 202, a second connecting plate 203, a ceramic plate 204 and a heat sink 205; one side of the ceramic plate 204 is provided with a copper-clad layer, and the other side is provided with a metal thick film layer; a heat-conducting shell 301 is further arranged outside the battery core 101; wherein, a first connecting plate 202 and a second connecting plate 203 are respectively arranged on the positive electrode (102) and the negative electrode (103), and a first pole column 202a and a second pole column 203a which are communicated with the positive electrode (102) and the negative electrode (103) are respectively arranged on the first connecting plate 202 and the second connecting plate 203; an insulating cover 206 is arranged between the first connecting plate 202 and the second connecting plate 203; the first pole column 202a and the second pole column 203a are respectively sleeved with an insulating part 207; the ends of the first pole column 202a and the second pole column 203a are respectively connected with a tab 208 extending outwards; the pole posts (202a,203a) are soldered with the copper-clad layer of the ceramic plate, and the metal thick film layer of the ceramic plate 204 is soldered with the heat radiator 205; the gap between the heat sink 205 and the insulating cover 206 is filled with an insulator 209.
The ceramic plate 204 in the utility model is made of aluminum nitride ceramic, aluminum oxide ceramic and silicon nitride ceramic; the utility model provides an insulating part 207 is silica gel cover rubber cap structure. The utility model provides an insulating cover 206 is the flexible component that plastics or rubber/silica gel made, can coincide with outside heat conduction casing.
In order to solve the technical problem in the prior art, the utility model discloses following technical scheme can also be adopted:
a processing method of a quick heat dissipation mechanism for a battery cell comprises the following steps:
s1, connecting the positive electrode and the negative electrode of the battery cell with the first connecting plate and the second connecting plate respectively;
s2, poles on the first connecting plate and the second connecting plate are respectively connected with the heat conducting layer on one surface of the ceramic plate through silica gel; the heat conducting layer on one side of the ceramic plate is connected with the heat radiating part through brazing slurry.
In order to solve the technical problem in the prior art, the utility model discloses following technical scheme can also be adopted: a processing method of a quick heat dissipation mechanism for a battery cell comprises the following steps:
s1, connecting the positive electrode and the negative electrode of the battery cell with the first connecting plate and the second connecting plate respectively;
s2, and the poles on the first connecting plate and the second connecting plate are respectively welded with the heat conducting layer on one surface of the ceramic plate through laser welding or tin welding; the heat conducting layer on one side of the ceramic plate is connected with the heat radiating part through brazing slurry.
In addition, in order to make the heat of battery electricity core transmit heat dissipation mechanism rapidly, need satisfy the coefficient of heat conductivity height to the positive negative electrode material of battery electricity core, and will shorten the speed of heat transfer and increase the heat conduction sectional area simultaneously, the utility model discloses a reach above-mentioned requirement, can graphite alkene, high heat conduction alloy or copper to battery electricity core positive and negative electrode.
The specific operation process comprises the following steps:
when a copper plate is coated on the ceramic plate, 1, covering the copper plate with the thickness of 0.1-3.0mm, wherein the area of the copper plate is slightly smaller than that of the battery cell connecting row; the two planes of the copper plate and the battery cell connecting row are oppositely and directly compressed; 2. copper-clad plates with the thickness of 0.1-3.0mm are coated, and the area of each copper plate is slightly smaller than the size of the battery cell connecting row; the copper plate and the battery cell connecting bar are welded together by laser welding or tin welding; 3. and (3) connecting the copper-clad plate with the thickness of 0.1-3.0mm with the battery cell connecting bar through heat-conducting silica gel.
When the metal thick film is sintered on the ceramic plate, 1, the size of the area of the metal thick film of 5-100 mu m is slightly smaller than that of the battery cell connecting row; the two planes of the metal thick film and the battery cell connecting row are oppositely and directly compressed; 2. the metal thick film with the thickness of 5-100 mu m is slightly smaller than the size of the battery cell connecting row in area; the area of the metal thick film is welded with the battery cell connecting row by laser welding or tin welding; 3. the metal thick film is connected with the battery cell connecting bar through heat-conducting silica gel.
The utility model discloses in double-sided metal level is connected with the radiator through the welding mode on the ceramic plate, adopts following method: firstly, covering a copper plate (with the thickness of 0.1-3.0mm) on a ceramic plate; the copper sheet and the metal support plate are welded together by laser welding or tin welding; secondly, sintering a metal thick film of 5-100 mu m on the ceramic plate, and welding the ceramic plate and the metal support plate together by laser welding or tin welding; and thirdly, the ceramic plate and the metal support plate are directly sintered together in vacuum through brazing slurry (mainly containing silver, copper and titanium).
Claims (6)
1. A quick heat dissipation mechanism for a battery cell comprises the battery cell with a positive electrode and a negative electrode at the end parts; the method is characterized in that: the battery cell is also provided with a heat dissipation mechanism, and the heat dissipation mechanism comprises a first connecting plate, a second connecting plate, a ceramic plate with heat conducting layers on two sides and a heat dissipation part; the first connecting plate and the second connecting plate are respectively connected with the positive electrode and the negative electrode of the battery cell; the first connecting plate and the second connecting plate are respectively connected with the heat-conducting layer on one surface of the heat-conducting ceramic plate through respective poles; and the other heat conducting layer of the heat conducting ceramic plate is welded with the heat radiating part.
2. The mechanism of claim 1, wherein the mechanism for rapidly dissipating heat from the battery cell comprises: utmost point post is connected with outside extension utmost point ear respectively, utmost point post with be provided with insulating lid between first connecting plate and the second connecting plate, the cover is equipped with insulating part on the cylinder of utmost point post.
3. The mechanism of claim 1, wherein the mechanism for rapidly dissipating heat from the battery cell comprises: the heat conduction layer on the ceramic plate is a copper-clad layer or a metal thick film.
4. The mechanism of claim 1, wherein the mechanism for rapidly dissipating heat from the battery cell comprises: the heat dissipation part is an integral radiator, and an insulator is filled between the radiator and the ceramic plate.
5. The mechanism of claim 1, wherein the mechanism for rapidly dissipating heat from the battery cell comprises: the radiator component is a split type radiating bar.
6. The mechanism of any one of claims 1 to 5, wherein: and a heat-conducting shell is arranged outside the battery cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921228309.0U CN210668613U (en) | 2019-07-31 | 2019-07-31 | Mechanism for quickly radiating battery core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921228309.0U CN210668613U (en) | 2019-07-31 | 2019-07-31 | Mechanism for quickly radiating battery core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210668613U true CN210668613U (en) | 2020-06-02 |
Family
ID=70811244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921228309.0U Active CN210668613U (en) | 2019-07-31 | 2019-07-31 | Mechanism for quickly radiating battery core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210668613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544804A (en) * | 2019-07-31 | 2019-12-06 | 天津荣事顺发电子有限公司 | Mechanism for rapidly radiating heat of battery cell and processing method thereof |
-
2019
- 2019-07-31 CN CN201921228309.0U patent/CN210668613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544804A (en) * | 2019-07-31 | 2019-12-06 | 天津荣事顺发电子有限公司 | Mechanism for rapidly radiating heat of battery cell and processing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211743341U (en) | Ceramic system for carrying out heat management on battery pack | |
| CN206585025U (en) | Cylindrical lithium ion battery with hollow pole | |
| CN103138027A (en) | High thermal conductivity battery pack | |
| CN206293500U (en) | A kind of electrostrictive polymer core power battery module for collecting radiating heating one | |
| CN209472013U (en) | A kind of space-efficient high security battery modules | |
| CN111900511A (en) | Lithium ion battery radiating through pole piece | |
| CN210073975U (en) | High-efficient radiating laminate polymer battery module | |
| CN210668613U (en) | Mechanism for quickly radiating battery core | |
| CN209329101U (en) | A kind of pair of battery electrode Quick heat radiation mechanism | |
| CN210668615U (en) | Battery core temperature equalization structure and battery module | |
| CN218472082U (en) | Immersed liquid cooling energy storage battery module | |
| CN110544804A (en) | Mechanism for rapidly radiating heat of battery cell and processing method thereof | |
| CN110854328A (en) | Lithium ion battery with current collector cooling flow channel | |
| CN115954622A (en) | Busbar, electrical system and battery package | |
| CN110649348A (en) | Quick radiating battery package | |
| CN108183281A (en) | The lithium ion battery of radiator structure is set in a kind of | |
| CN211957702U (en) | Heat release explosion-proof lithium ion battery | |
| CN210897392U (en) | High-efficient heat dissipation and waterproof new energy automobile battery box | |
| CN207353425U (en) | Battery unit and battery modules | |
| CN205992560U (en) | Heat dissipation battery bag | |
| CN213242661U (en) | Lithium cell dispels heat fast | |
| CN219419428U (en) | Power battery | |
| CN221176357U (en) | Automobile battery pack heat dissipation system and automobile | |
| CN212695222U (en) | Lithium ion battery radiating through pole piece | |
| CN218827710U (en) | Busbar, electrical system and battery package |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210715 Address after: 201800 J, 4th floor, building 36, 70 Bole Road, Jiading town, Jiading District, Shanghai Patentee after: Shanghai Kaiqi Technology Co.,Ltd. Address before: 300402 No.77, zhangxingzhuang Avenue, Tiedong road street, Hebei District, Tianjin Patentee before: TIANJIN RONGSHI SHUNFA ELECTRONICS Co.,Ltd. |
|
| TR01 | Transfer of patent right |