CN210668607U - Quick heat abstractor to battery electrode - Google Patents

Quick heat abstractor to battery electrode Download PDF

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Publication number
CN210668607U
CN210668607U CN201920358957.1U CN201920358957U CN210668607U CN 210668607 U CN210668607 U CN 210668607U CN 201920358957 U CN201920358957 U CN 201920358957U CN 210668607 U CN210668607 U CN 210668607U
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China
Prior art keywords
battery
electrode
ceramic substrate
heat dissipation
heat
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CN201920358957.1U
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Chinese (zh)
Inventor
张昕
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Shanghai Kaiqi Technology Co.,Ltd.
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Tianjin Rongshi Shunfa Electronics Co ltd
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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
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
    • 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
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • 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
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • 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

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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)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model relates to a device for quickly radiating a battery electrode, which comprises (1) directly adhering the electrode end face of a battery to one surface of a ceramic substrate; (2) the other side of the ceramic substrate is adhered/stuck with the heat dissipation mechanism; the utility model discloses the pottery of make full use of is good heat conduction and insulating characteristic, distributes away the heat of battery directly, fast through the radiator, reduces the inside temperature of battery, reduces the difference in temperature between the electrode, improves the security of battery, prolongs the life of battery.

Description

Quick heat abstractor to battery electrode
Technical Field
The utility model relates to a battery heat dissipation field, concretely relates to quick heat abstractor to battery electrode.
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. Because the energy density of the battery is higher and higher, if the two electrodes of the battery are in short circuit or leak electricity, instantaneous heavy current discharge can be caused, sparks and explosion are easy to generate, and accidents are easy to cause, so the electrodes of the battery are often wrapped by thicker insulated plastic parts. However, during charging and discharging of the battery, the electrode generates a large amount of heat, which is the highest temperature part in the battery, and even if a water cooling circulation system is adopted around the battery, the heat transfer is slow, so that the time is often over 15 minutes, and at this time, 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 application of the battery pack in each battery pack, the electrodes often have different heating temperatures to form temperature difference, and the temperature is higher and higher due to the 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 quickly attenuated.
The cooling of the battery pack is the most important factor of the new energy electric vehicle, and about one third of the electric energy of the battery is usually consumed for cooling.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a quick heat dissipation device for battery electrodes, 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.
A quick heat dissipation device for a battery electrode comprises a battery body and a heat dissipation mechanism; an electrode mechanism is arranged on the end face of the battery body; an insulating heat conduction mechanism is arranged between the electrode mechanism and the heat dissipation mechanism and comprises a ceramic substrate.
And insulators are arranged among the insulating heat conduction mechanism, the electrode mechanism and the heat dissipation mechanism.
The ceramic substrate is of a sheet structure, the sheet ceramic substrate is connected with the electrode mechanism in a face-to-face mode, and the sheet ceramic substrate is circular, square, rectangular or polygonal in shape.
The ceramic substrate is a special-shaped body, and the special-shaped ceramic substrate is connected with the electrode mechanism in a covering mode. The special-shaped ceramic substrate is U-shaped, M-shaped and cap-shaped.
The ceramic substrate is a whole plate covered on the electrode mechanism, and the whole plate is provided with a guide hole.
The ceramic substrate is made of aluminum nitride ceramic, aluminum oxide ceramic, silicon nitride ceramic and beryllium oxide ceramic.
One surface of the ceramic substrate is adhered/stuck with the electrode mechanism; the other side of the heat dissipation mechanism is adhered to the heat dissipation mechanism.
And metal layers are arranged on two sides of the ceramic substrate.
Advantageous effects
1. The utility model discloses a to ceramic substrate metallization back, overcome the breakable technical problem of ceramic substrate among the prior art, simultaneously the utility model discloses can be connected ceramic substrate and electrode mechanism, the mode of pasting/pasting between the heat dissipation mechanism, the good heat conductivility of full play ceramic substrate and outstanding insulating effect, reduction in production cost.
2. Through the utility model discloses heat dissipation mechanism of processing method production can reduce the battery to the thermal resistance between the radiator minimum, accelerate heat transfer rate, guarantees battery use safety.
3. When the battery is used, the heating of the electrodes is large, the temperature in the battery is also the highest, and the temperature difference between the electrodes is large, so that for the electrode with high temperature in use, the temperature of the highest temperature point is higher and higher in subsequent use, the resistance of the electrode at the highest temperature point is higher and higher, vicious circle is formed, and the temperature difference between the electrodes is larger. Use the utility model discloses afterwards, can balance the temperature between the electrode effectively, reduce the decay whole degree of battery, prolong the life-span of battery.
4. When the battery is charged, the temperature of the electrode is high, if the battery is charged too fast, the temperature is too high, the danger of electrode explosion and ignition can occur, the charging speed of the battery is limited in the prior art, and the danger caused by the too high temperature of the electrode is prevented. During charging and discharging. The utility model discloses can reduce electrode temperature, realize faster speed charge-discharge.
Drawings
Fig. 1 is a schematic structural view of the battery electrode rapid heat dissipation device of the present invention.
Fig. 2 is a schematic diagram of the structure of the battery electrode rapid heat dissipation device of the present invention having an insulator.
Fig. 3 is a schematic diagram of a chip ceramic substrate structure of the rapid heat dissipation device for battery electrodes of the present invention.
Fig. 4 is a schematic diagram of the whole ceramic substrate structure of the battery electrode rapid heat dissipation device of the present invention.
Detailed Description
The utility model is explained in one step with the attached drawings as follows:
11. as shown in fig. 1 and 2, the present invention provides a device for rapidly dissipating heat from battery electrodes, wherein the battery body 101 of the present invention comprises a single battery pack or a battery pack formed by more than 2 battery packs connected in series; a heat dissipation mechanism 201; an electrode mechanism 106 composed of a series connection line bar 103 (bus bar, tab) and a positive terminal 104 and a negative terminal 105 as shown in fig. 3 is arranged on the end face of the battery body 101; the heat dissipation mechanism 201 adopts water cooling, air cooling, natural cooling, semiconductor electronic refrigeration and material phase change refrigeration.
An insulating heat conducting mechanism 301 is arranged between the electrode mechanism 106 and the heat dissipation mechanism 201, and the insulating heat conducting mechanism comprises a ceramic substrate 302. The ceramic substrate 302 is made of aluminum nitride ceramic, aluminum oxide ceramic, silicon nitride ceramic and beryllium oxide ceramic. An insulator 304 is arranged between the insulating heat conducting mechanism 301 and the electrode mechanism and between the insulating heat conducting mechanism 301 and the heat dissipation mechanism. The utility model provides an insulator 304 is filled between the gap of electrode mechanism, insulating heat conduction mechanism, heat dissipation mechanism.
Ceramic substrate 302's both sides all are provided with metal level 303, and ceramic substrate breaks easily in the use among the prior art and leads to the characteristic of unable full play ceramic substrate, so the utility model discloses in all be provided with the metal level on ceramic substrate's both sides and can prevent the poor technological problem of ceramic substrate fragility, and then performance ceramic substrate self characteristic, guarantee the utility model discloses can improve battery life to the battery heat dissipation fast.
As shown in fig. 2 and 3, the ceramic substrate 302 has a sheet-like structure, and the sheet-like ceramic substrate 301 is connected to the electrode mechanism 106 so as to face each other. The sheet-shaped ceramic substrate 301 is circular, square, rectangular, or polygonal in shape. The ceramic substrate 302 is a special-shaped body, and the special-shaped ceramic substrate 301 is connected with the electrode mechanism 106 in a covering manner. The special-shaped ceramic substrate 301 is U-shaped, M-shaped and hat-shaped.
As shown in fig. 4, the ceramic substrate 302 is a whole plate covering the electrode mechanism, and the whole plate 301 is provided with a guide hole through which the positive terminal 104 and the negative terminal 105 can be led out.
In the present invention, one side of the ceramic substrate 301 is directly bonded to the electrode mechanism 106, and the other side of the ceramic substrate is directly bonded to the heat dissipation mechanism 201; or one side of the ceramic substrate 301 is directly bonded to the heat dissipation mechanism 201, and the other side of the ceramic substrate is directly bonded to the electrode mechanism 106.
The utility model discloses carry out metallization process to ceramic two sides:
example 1
Step 1, generating metal layers on two surfaces of the alumina ceramic by using a metallization treatment method comprises the following steps: 1.1, printing the electronic silver paste slurry on one surface of the alumina ceramic through a silk screen; 1.2, placing the alumina ceramic with the printing paste on two sides under atmospheric conditions at 800-950 ℃ for sintering to form a metalized thick film; and 1.3, carrying out nickel plating treatment on the surface of the sintered ceramic substrate.
Example 2
Step 1, generating a metal layer on one surface of the aluminum nitride ceramic by adopting a metallization treatment method, comprising the following steps: 1.1, printing silver-copper-titanium alloy slurry on one surface of a ceramic substrate; 1.2, covering the copper plate with the corresponding pattern on the silver-copper-titanium alloy slurry, and drying the ceramic substrate; and 1.3, carrying out vacuum sintering on the dried ceramic substrate at 800-950 ℃.
It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (6)

1. A quick heat dissipation device for a battery electrode comprises a battery body and a heat dissipation mechanism; an electrode mechanism is arranged on the end face of the battery body; the heat dissipation device is characterized in that an insulating heat conduction mechanism is arranged between the electrode mechanism and the heat dissipation mechanism, the insulating heat conduction mechanism comprises a ceramic substrate, the ceramic substrate is connected with the electrode mechanism in a covering mode, and one surface of the ceramic substrate is adhered to the electrode mechanism; the other side of the heat dissipation mechanism is adhered to the heat dissipation mechanism.
2. The device for rapidly dissipating heat from an electrode of a battery according to claim 1, wherein an insulator is disposed between the insulating and heat conducting mechanism and the electrode mechanism and the heat dissipating mechanism.
3. A device for rapidly dissipating heat from a battery electrode as claimed in claim 1, wherein the ceramic substrate is U-shaped, M-shaped, or hat-shaped.
4. The device for rapidly dissipating heat from an electrode of a battery as claimed in claim 1, wherein the ceramic substrate is a whole plate covering the electrode mechanism, and the whole plate is provided with the guide hole.
5. The device for rapidly cooling the battery electrode according to claim 1, wherein the ceramic substrate is made of aluminum nitride ceramic, aluminum oxide ceramic, silicon nitride ceramic or beryllium oxide ceramic.
6. The device as claimed in claim 1, wherein the heat dissipation mechanism employs water cooling, air cooling, natural cooling, semiconductor electronic cooling and material phase change cooling.
CN201920358957.1U 2019-01-28 2019-03-21 Quick heat abstractor to battery electrode Active CN210668607U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910082145 2019-01-28
CN2019100821453 2019-01-28

Publications (1)

Publication Number Publication Date
CN210668607U true CN210668607U (en) 2020-06-02

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Family Applications (22)

Application Number Title Priority Date Filing Date
CN201910215171.9A Pending CN109904559A (en) 2019-01-28 2019-03-21 A kind of pair of battery electrode rapid heat radiation device
CN201920358931.7U Active CN209929432U (en) 2019-01-28 2019-03-21 Low-temperature heating device for battery electrode
CN201910215169.1A Pending CN109904558A (en) 2019-01-28 2019-03-21 A kind of pair of battery electrode rapid heat radiation device
CN201910215167.2A Pending CN110148812A (en) 2019-01-28 2019-03-21 A kind of pair of battery electrode cooling and heating device
CN201920358946.3U Active CN209929433U (en) 2019-01-28 2019-03-21 Refrigerating and heating device for battery electrode
CN201910215163.4A Pending CN109904557A (en) 2019-01-28 2019-03-21 A kind of pair of battery electrode low-temperature heating device
CN201920359015.5U Active CN210200907U (en) 2019-01-28 2019-03-21 Quick heat abstractor to battery electrode
CN201920358957.1U Active CN210668607U (en) 2019-01-28 2019-03-21 Quick heat abstractor to battery electrode
CN201910215172.3A Pending CN109904560A (en) 2019-01-28 2019-03-21 A kind of pair of battery electrode rapid heat radiation device
CN201920359320.4U Active CN210200908U (en) 2019-01-28 2019-03-21 Quick heat abstractor to battery electrode
CN201910232605.6A Pending CN109830780A (en) 2019-01-28 2019-03-26 A kind of pair of battery electrode temperature balancing device
CN201920389792.4U Active CN210668609U (en) 2019-01-28 2019-03-26 Independent heat abstractor to battery electrode
CN201910232256.8A Pending CN110176648A (en) 2019-01-28 2019-03-26 A kind of pair of battery electrode independent heat dissipation device
CN201920389738.XU Active CN210668608U (en) 2019-01-28 2019-03-26 Device for balancing temperature of battery electrode
CN201910242255.1A Pending CN109830781A (en) 2019-01-28 2019-03-28 A kind of heat dissipation of battery pack and temperature balancing device
CN201920407168.2U Active CN210668610U (en) 2019-01-28 2019-03-28 Battery package heat dissipation and temperature balancing unit
CN201920523224.9U Active CN211507828U (en) 2019-01-28 2019-04-17 Battery package heat dissipation and temperature balancing unit
CN201910310241.9A Pending CN110071345A (en) 2019-01-28 2019-04-17 A kind of heat dissipation of battery pack and temperature balancing device
CN201922299414.XU Active CN211350903U (en) 2019-01-28 2019-12-19 Split type battery heat dissipation balance assembly
CN201911320478.1A Pending CN111092276A (en) 2019-01-28 2019-12-19 Split type battery heat dissipation balance assembly and processing method thereof
CN202020140116.6U Active CN211743341U (en) 2019-01-28 2020-01-21 Ceramic system for carrying out heat management on battery pack
CN202010072785.9A Pending CN111082188A (en) 2019-01-28 2020-01-21 Ceramic system for carrying out thermal management on battery and processing method thereof

Family Applications Before (7)

Application Number Title Priority Date Filing Date
CN201910215171.9A Pending CN109904559A (en) 2019-01-28 2019-03-21 A kind of pair of battery electrode rapid heat radiation device
CN201920358931.7U Active CN209929432U (en) 2019-01-28 2019-03-21 Low-temperature heating device for battery electrode
CN201910215169.1A Pending CN109904558A (en) 2019-01-28 2019-03-21 A kind of pair of battery electrode rapid heat radiation device
CN201910215167.2A Pending CN110148812A (en) 2019-01-28 2019-03-21 A kind of pair of battery electrode cooling and heating device
CN201920358946.3U Active CN209929433U (en) 2019-01-28 2019-03-21 Refrigerating and heating device for battery electrode
CN201910215163.4A Pending CN109904557A (en) 2019-01-28 2019-03-21 A kind of pair of battery electrode low-temperature heating device
CN201920359015.5U Active CN210200907U (en) 2019-01-28 2019-03-21 Quick heat abstractor to battery electrode

Family Applications After (14)

Application Number Title Priority Date Filing Date
CN201910215172.3A Pending CN109904560A (en) 2019-01-28 2019-03-21 A kind of pair of battery electrode rapid heat radiation device
CN201920359320.4U Active CN210200908U (en) 2019-01-28 2019-03-21 Quick heat abstractor to battery electrode
CN201910232605.6A Pending CN109830780A (en) 2019-01-28 2019-03-26 A kind of pair of battery electrode temperature balancing device
CN201920389792.4U Active CN210668609U (en) 2019-01-28 2019-03-26 Independent heat abstractor to battery electrode
CN201910232256.8A Pending CN110176648A (en) 2019-01-28 2019-03-26 A kind of pair of battery electrode independent heat dissipation device
CN201920389738.XU Active CN210668608U (en) 2019-01-28 2019-03-26 Device for balancing temperature of battery electrode
CN201910242255.1A Pending CN109830781A (en) 2019-01-28 2019-03-28 A kind of heat dissipation of battery pack and temperature balancing device
CN201920407168.2U Active CN210668610U (en) 2019-01-28 2019-03-28 Battery package heat dissipation and temperature balancing unit
CN201920523224.9U Active CN211507828U (en) 2019-01-28 2019-04-17 Battery package heat dissipation and temperature balancing unit
CN201910310241.9A Pending CN110071345A (en) 2019-01-28 2019-04-17 A kind of heat dissipation of battery pack and temperature balancing device
CN201922299414.XU Active CN211350903U (en) 2019-01-28 2019-12-19 Split type battery heat dissipation balance assembly
CN201911320478.1A Pending CN111092276A (en) 2019-01-28 2019-12-19 Split type battery heat dissipation balance assembly and processing method thereof
CN202020140116.6U Active CN211743341U (en) 2019-01-28 2020-01-21 Ceramic system for carrying out heat management on battery pack
CN202010072785.9A Pending CN111082188A (en) 2019-01-28 2020-01-21 Ceramic system for carrying out thermal management on battery and processing method thereof

Country Status (2)

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CN (22) CN109904559A (en)
WO (1) WO2020156396A1 (en)

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CN208078038U (en) * 2018-02-06 2018-11-09 广州力电宝电子科技有限公司 A kind of power battery ceramic welding head cover
CN208028117U (en) * 2018-04-02 2018-10-30 哈尔滨智明科技有限公司 A kind of series connection of cylindrical battery and parallel-connection structure
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CN209329101U (en) * 2019-01-28 2019-08-30 天津荣事顺发电子有限公司 A kind of pair of battery electrode Quick heat radiation mechanism
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

Cited By (1)

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CN109904559A (en) * 2019-01-28 2019-06-18 天津荣事顺发电子有限公司 A kind of pair of battery electrode rapid heat radiation device

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