CN210668608U - Device for balancing temperature of battery electrode - Google Patents

Device for balancing temperature of battery electrode Download PDF

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Publication number
CN210668608U
CN210668608U CN201920389738.XU CN201920389738U CN210668608U CN 210668608 U CN210668608 U CN 210668608U CN 201920389738 U CN201920389738 U CN 201920389738U CN 210668608 U CN210668608 U CN 210668608U
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China
Prior art keywords
ceramic substrate
electrode
temperature
battery
shaped
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CN201920389738.XU
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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 temperature balancing device for a battery electrode, wherein an electrode mechanism is arranged on the end face of a battery body; a temperature balance mechanism for transferring heat from the high-temperature end to the low-temperature end is arranged between the electrode mechanisms and comprises a ceramic substrate; the utility model discloses the good heat conduction of make full use of pottery and insulating characteristic make the temperature trend between the battery electrode unanimous, improve the security of battery, prolong the life of battery.

Description

Device for balancing temperature of battery electrode
Technical Field
The utility model relates to an insulating heat conduction technical field, concretely relates to battery electrode temperature balancing unit.
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.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a temperature balancing device for battery electrodes, which can transfer the heat between the electrodes in a balanced manner by arranging a temperature balancing mechanism between the electrodes; the stability and the safety of the battery in the using process are ensured, and the good operation of the electric energy supply equipment is ensured.
In order to solve the problems existing in the prior art, the utility model discloses a following technical scheme implements:
a counter battery electrode temperature balancing device comprises a battery body; an electrode mechanism is arranged on the end face of the battery body; and a temperature balance mechanism for transferring heat from the high-temperature end to the low-temperature end is arranged between the electrode mechanisms and comprises a ceramic substrate.
The ceramic substrate is arranged between two electrode mechanisms in the electrode mechanism.
The ceramic substrate entirely covers the electrode mechanism.
The ceramic substrate is provided with a cover plate.
The electrode structure is characterized in that the ceramic substrate is of a sheet structure, the sheet ceramic substrate is connected with the electrode structure in a face-to-face mode, and the shape of the sheet ceramic substrate is circular, square, rectangular or polygonal.
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 hat-shaped.
The ceramic substrate is provided with a metal layer on one side or metal layers on two sides, and the ceramic substrate is made of aluminum nitride ceramic, aluminum oxide ceramic, silicon nitride ceramic and beryllium oxide ceramic.
Advantageous effects
1. The utility model discloses a set up temperature balance mechanism between electrode mechanism, ensure that the battery is in the use, the electrode heat spreads into from the high temperature end to the low temperature end, prevents that the battery electrode from appearing the heat concentration effect, avoids the battery to lead to the danger of explosion or catching fire because of the high temperature.
2. The utility model discloses temperature balance mechanism adopts advanced ceramic material, and the good heat conductivility of full play ceramic material and outstanding insulating effect can balance the temperature between the electrode effectively, reduces the decay rate of battery, prolongs the life-span of battery.
3. The utility model discloses a temperature balance mechanism reasonable in design, structure are ingenious, provide the assurance for electric energy supply equipment.
Drawings
Fig. 1 is a schematic structural view of a device for balancing battery electrode temperature according to the present invention.
Fig. 2 is a schematic structural view of a device for balancing battery electrode temperature according to the present invention.
Fig. 3 is a schematic structural view of a device for balancing battery electrode temperature according to the present invention.
Fig. 4 is a schematic structural view of a device for balancing battery electrode temperature 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 present invention provides a device for balancing the temperature of 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 batteries connected in series; an electrode mechanism 201; an electrode mechanism 201 consisting of a series connection line bar (bus bar, tab), a positive terminal 202 and a negative terminal 203 is arranged on the end face of the battery body 101; the electrode mechanism is provided with a temperature balance mechanism 301 for conducting heat from a high electrode end temperature to a low electrode end temperature, and the temperature balance mechanism 301 comprises a ceramic substrate body. As shown in FIG. 1, in the present invention, the ceramic substrate is disposed between the electrodes, i.e. every two electrodes (202,203) are connected by the ceramic substrate, when the battery is in operation, the ceramic substrate in the temperature balance mechanism of the present invention can transfer the temperature of the electrode terminal with high heat to the electrode terminal with low heat, so as to achieve the temperature balance between the electrodes and prevent the heat concentration effect from occurring in the battery electrodes. The ceramic substrate 302 has a sheet-like structure, and the sheet-like ceramic substrate 302 is connected to the electrode mechanism 201 in a face-to-face manner. The sheet-shaped ceramic substrate 302 is circular, square, rectangular, or polygonal in shape.
As shown in fig. 2, the middle temperature balance mechanism 301 of the present invention is covered on the electrode mechanism 201, and the temperature transfer from the electrode end with high heat to the electrode end with low heat in the electrode mechanism is realized by the integral ceramic substrate 302. The utility model discloses well ceramic substrate board 302 is the lamellar structure, lamellar ceramic substrate board 302 face-to-face mode with electrode mechanism 201 connects.
As shown in fig. 3, the temperature balancing mechanism 301 of the present invention includes a ceramic substrate 302 and a cover plate 303. A ceramic substrate 302 is arranged on each electrode (202,203) in the electrode mechanism 201, each electrode is also connected through the ceramic substrate 303, an integral cover plate 303 is arranged on the electrode mechanism with the ceramic substrate, the ceramic substrate 302 is a special-shaped body, and the special-shaped ceramic substrate 301 is U-shaped, M-shaped and cap-shaped.
As shown in fig. 4, the temperature balancing mechanism 301 of the present invention includes a ceramic substrate 302 and a cover plate 303. Each electrode (202,203) is connected with each other by a ceramic substrate 303 in the electrode mechanism 201, and a cover plate 303 is provided on the electrode mechanism having the ceramic substrate. The ceramic substrate 302 has a sheet-like structure, and the sheet-like ceramic substrate 302 is connected to the electrode mechanism 201 in a face-to-face manner. The ceramic substrate 302 of the present invention may have a metal layer on a single side or a metal layer on both sides. Generally, the ceramic substrates are bonded by means of a paste/paste method, and the ceramic substrates having the metal layers are bonded by means of soldering. The welding method of the ceramic substrate comprises tin soldering, laser welding, electric welding, rivet welding and brazing. The ceramic substrate is made of aluminum nitride ceramic, aluminum oxide ceramic, silicon nitride ceramic and beryllium oxide ceramic.
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 (5)

1. A counter battery electrode temperature balancing device comprises a battery body; an electrode mechanism is arranged on the end face of the battery body; the temperature balance mechanism is characterized in that the temperature balance mechanism which transfers heat from a high-temperature end to a low-temperature end is arranged between the electrode mechanisms, the temperature balance mechanism comprises a ceramic substrate, the ceramic substrate is arranged between two electrodes in the electrode mechanisms, the ceramic substrate is provided with a metal layer on one surface or metal layers on two surfaces, and the ceramic substrate is made of aluminum nitride ceramics, aluminum oxide ceramics, silicon nitride ceramics and beryllium oxide ceramics.
2. A counter battery electrode temperature balancing device comprises a battery body; an electrode mechanism is arranged on the end face of the battery body; the temperature balance mechanism is characterized in that the temperature balance mechanism which transfers heat from a high-temperature end to a low-temperature end is arranged between the electrode mechanisms and comprises a ceramic substrate, the ceramic substrate is integrally covered on the electrode mechanisms, the ceramic substrate is provided with a metal layer on one surface or metal layers on two surfaces, and the ceramic substrate is made of aluminum nitride ceramics, aluminum oxide ceramics, silicon nitride ceramics and beryllium oxide ceramics.
3. A counter battery electrode temperature balancing device according to claim 1, wherein the ceramic substrate is a sheet-like structure, the sheet-like ceramic substrate is connected with the electrode mechanism in a face-to-face manner, and the sheet-like ceramic substrate is circular or polygonal in shape.
4. A counter battery electrode temperature balancing device according to claim 2, wherein the ceramic substrate is a shaped body, and the shaped ceramic substrate is connected with the electrode mechanism in a covering manner; the special-shaped ceramic substrate is U-shaped, M-shaped and hat-shaped.
5. A counter battery electrode temperature balancing device according to claim 3 or 4, wherein a cover plate is provided on the ceramic substrate.
CN201920389738.XU 2019-01-28 2019-03-26 Device for balancing temperature of battery electrode Active CN210668608U (en)

Applications Claiming Priority (2)

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

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

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Application Number Title Priority Date Filing Date
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
CN201920359015.5U Active CN210200907U (en) 2019-01-28 2019-03-21 Quick heat abstractor to battery electrode
CN201910215163.4A Pending CN109904557A (en) 2019-01-28 2019-03-21 A kind of pair of battery electrode low-temperature heating device
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
CN201910215171.9A Pending CN109904559A (en) 2019-01-28 2019-03-21 A kind of pair of battery electrode rapid heat radiation device
CN201920358946.3U Active CN209929433U (en) 2019-01-28 2019-03-21 Refrigerating and heating device for battery electrode
CN201920358931.7U Active CN209929432U (en) 2019-01-28 2019-03-21 Low-temperature heating device for battery electrode
CN201910232605.6A Pending CN109830780A (en) 2019-01-28 2019-03-26 A kind of pair of battery electrode temperature balancing device

Family Applications After (10)

Application Number Title Priority Date Filing Date
CN201910232256.8A Pending CN110176648A (en) 2019-01-28 2019-03-26 A kind of pair of battery electrode independent heat dissipation device
CN201920389792.4U Active CN210668609U (en) 2019-01-28 2019-03-26 Independent heat abstractor to 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
CN201910310241.9A Pending CN110071345A (en) 2019-01-28 2019-04-17 A kind of heat dissipation of battery pack and temperature balancing device
CN201920523224.9U Active CN211507828U (en) 2019-01-28 2019-04-17 Battery package heat dissipation and temperature balancing unit
CN201911320478.1A Pending CN111092276A (en) 2019-01-28 2019-12-19 Split type battery heat dissipation balance assembly and processing method thereof
CN201922299414.XU Active CN211350903U (en) 2019-01-28 2019-12-19 Split type battery heat dissipation balance assembly
CN202010072785.9A Pending CN111082188A (en) 2019-01-28 2020-01-21 Ceramic system for carrying out thermal management on battery 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

Country Status (2)

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CN (22) CN210668607U (en)
WO (1) WO2020156396A1 (en)

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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
CN210668607U (en) * 2019-01-28 2020-06-02 天津荣事顺发电子有限公司 Quick heat abstractor to battery electrode
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109830780A (en) * 2019-01-28 2019-05-31 天津荣事顺发电子有限公司 A kind of pair of battery electrode temperature balancing device

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