CN113725477A - Battery jar for large energy storage system - Google Patents

Battery jar for large energy storage system Download PDF

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Publication number
CN113725477A
CN113725477A CN202111063829.2A CN202111063829A CN113725477A CN 113725477 A CN113725477 A CN 113725477A CN 202111063829 A CN202111063829 A CN 202111063829A CN 113725477 A CN113725477 A CN 113725477A
Authority
CN
China
Prior art keywords
lithium battery
fire
battery module
explosion venting
cavity
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.)
Pending
Application number
CN202111063829.2A
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Chinese (zh)
Inventor
雷政军
郭鸿香
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Olympus Power Energy Co Ltd
Original Assignee
Shaanxi Olympus Power Energy Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shaanxi Olympus Power Energy Co Ltd filed Critical Shaanxi Olympus Power Energy Co Ltd
Priority to CN202111063829.2A priority Critical patent/CN113725477A/en
Publication of CN113725477A publication Critical patent/CN113725477A/en
Priority to PCT/CN2022/117837 priority patent/WO2023036248A1/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/183Sealing members
    • H01M50/186Sealing members characterised by the disposition of the sealing members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30Arrangements for facilitating escape of gases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30Arrangements for facilitating escape of gases
    • H01M50/383Flame arresting or ignition-preventing means
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The application provides a battery jar for large-scale energy storage system, including casing, lithium cell module, baffle, locating plate, high-order liquid case, wherein, divide into electric chamber, cooling chamber and fire control chamber with the battery jar through baffle, locating plate. The cooling cavity is internally provided with a plurality of heat pipes, the heat pipes are positioned in the lithium battery module and are tightly attached to the shell of the battery core, one ends of the heat pipes are communicated with the fire-fighting cavity, and the fire-fighting liquid is the phase-change material of the heat pipes. The center of the lower cover of the lithium battery module is provided with an explosion venting component, the partition plate and an explosion venting channel is arranged between the explosion venting device, when thermal runaway occurs, the explosion venting component can break, so that fire fighting liquid passes through the explosion venting channel to enter the lithium battery module, the effects of cooling, pressure relief, termination of thermal runaway and thermal runaway propagation are achieved through a passive means, and the thermal runaway risk of the lithium battery module is avoided.

Description

Battery jar for large energy storage system
Technical Field
The present application relates to the field of batteries, and more particularly, to a battery can for a large energy storage system.
Background
In recent years, lithium battery technology has been rapidly developed and has been used in more and more fields. However, due to the principle and structural characteristics of the lithium battery, the heat generated by internal resistance is often increased during repeated use. When the temperature is further raised, the electrolyte and the solvent inside can be decomposed, combusted and exploded.
The traditional heat dissipation system mainly adopts three types of forced ventilation, water cooling and natural convection heat dissipation, and has certain application defects: forced ventilation and water cooling are bulky and complex due to the need for fans, pumps, pipelines and other accessories, and in addition, air cooling affects the sealing performance of the lithium battery module package, water cooling is too costly and requires corresponding insulation treatment, which also consumes battery energy and reduces the actual power density and energy density of the battery. The natural convection heat dissipation is the air cooling with maximum efficiency by optimizing the structure of the battery pack, and the heat dissipation effect is very limited under the condition of poor air convection condition.
CN112421159A discloses a high energy lithium cell and including large-scale energy storage system of this lithium cell, and the lithium cell soaks carries out the liquid cooling heat dissipation in the heat-conducting liquid, and lithium cell casing below is provided with lets out and explodes the part, lets out when taking place thermal runaway and explodes the part and break, makes in the battery inflammable substance be guided to the fire control intracavity rapidly.
CN105633509A, CN106935937A all utilize the heat pipe to dispel the heat, and the heat pipe condensation segment stretches into in the coolant liquid, nevertheless do not set up and let out and explode the device and let out and explode the passageway, can't in time prevent and control when battery thermal runaway, also do not separate the cavity of different functions.
An explosion venting channel is arranged between a battery tank supporting plate and an explosion venting component, after the explosion venting component is broken, fire fighting liquid enters the lithium battery module through the explosion venting channel, and thermal runaway spread are stopped in a passive mode; according to the lithium battery module, the battery tank is divided into three cavities, namely an electrical cavity, a cooling cavity and a fire-fighting cavity, the positive electrode and the negative electrode of the lithium battery module are connected into the electrical cavity through the leads, and the control unit is arranged in the electrical cavity, so that the structure is more excellent; there are many heat pipes in this application cooling cavity, and the heat pipe is located lithium battery module, hugs closely the shell of electric core, and the condensation segment of heat pipe stretches into the fire control chamber, utilizes the heat pipe to reach good radiating effect.
The technical means of this application all has great difference with above-mentioned patent document, and the heat dissipation that reaches is better with the fire control effect.
Disclosure of Invention
An object of the present application is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.
The application provides a battery jar for large-scale energy storage system, including lithium battery module, casing, baffle and locating plate, through baffle and locating plate divide into electric chamber, cooling chamber and fire control chamber with the battery jar, the lithium battery module includes shell, upper cover, lower cover and at least one electric core, its characterized in that, there are many heat pipes in the cooling chamber, the heat pipe is located lithium battery module, hugs closely the shell setting of electric core, the one end of heat pipe with the fire control chamber is linked together, the fire control intracavity is annotated and is had the fire control coolant liquid that can regard as heat pipe phase change material. Furthermore, a positioning device is arranged at the position of the positioning plate corresponding to the lithium battery module.
Further, a pressure relief valve is arranged at the bottom of the fire-fighting cavity.
Further, the shell is made of aluminum alloy, or metal or nonmetal with strength equivalent to that of the aluminum alloy.
Furthermore, the center of the lower cover of the lithium battery module is provided with an explosion venting component, an explosion venting channel is arranged between the partition plate and the explosion venting device, and the cross section area of the lower cover of the lithium battery module is larger than that of the explosion venting channel, so that the lithium battery module is sealed on the partition plate under the action of self gravity. When thermal runaway occurs, the explosion venting component can break, so that the fire fighting liquid enters the lithium battery module through the explosion venting channel.
Furthermore, the lithium battery module and the explosion venting channel are connected through an end face sealing gasket in the horizontal direction.
Furthermore, the lithium battery module and the explosion venting channel are connected and are provided with radial sealing rings in the vertical direction.
Furthermore, each battery cell in the lithium battery module is also provided with a first explosion venting unit; when the battery core is out of control thermally, the first explosion venting unit on the battery core is started, the material generated by the out of control thermally is sprayed out of the battery core, the lithium battery module is internally buffered, when the pressure in the lithium battery module reaches a threshold value, the explosion venting component at the center of the lower cover of the lithium battery module is started, the explosion venting channel is opened, and the fire-fighting liquid enters the lithium battery module through the explosion venting channel under the action of the liquid level difference of the high-level liquid tank.
Optionally, an electrical cavity is arranged above the positioning plate, a cooling cavity is arranged between the positioning plate and the partition plate, and a fire fighting cavity is arranged below the partition plate; the fire-fighting cavity is arranged on the lower portion of the battery jar and communicated with a high-level liquid tank through a liquid inlet pipe, the high-level liquid tank is arranged in the electric cavity, and fire-fighting cooling liquid capable of serving as a heat pipe phase-change material is injected into the high-level liquid tank.
Optionally, an electrical cavity is arranged below the positioning plate, a cooling cavity is arranged between the positioning plate and the partition plate, and a fire fighting cavity is arranged above the partition plate; the fire-fighting cavity is arranged on the upper part of the battery jar, and fire-fighting cooling liquid which can be used as a heat pipe phase-change material is injected into the fire-fighting cavity.
Furthermore, a maintenance valve is arranged on a liquid inlet pipe communicated with the fire-fighting cavity.
Optionally, the fire fighting coolant is perfluorohexanone.
Compared with the prior art, the method has the following beneficial effects:
1. according to the battery jar for the large-scale energy storage system, the lithium battery module is sealed under the action of self gravity; the lithium battery module with let out the horizontal direction of exploding the passageway junction and be equipped with end face seal spare and radial seal circle, strengthen sealed effect.
2. The application provides a battery jar for large-scale energy storage system, there are many heat pipes in the cooling chamber, the heat pipe is located lithium battery module, hugs closely the shell of electric core utilizes the heat pipe in time to derive the heat that lithium battery module produced.
3. The application provides a battery jar for large-scale energy storage system, the one end of heat pipe with fire control chamber intercommunication, the fire control liquid is promptly the phase change material of heat pipe.
4. The application provides a battery jar for large-scale energy storage system, the backup pad with let out to explode to have between the part and let out and explode the passageway, this let out the cross-sectional area of exploding the passageway great to the pressure release hole has been seted up in the upper cover department of battery module, when taking place the thermal runaway, can make let out when exploding gaseous smooth and easy exhaust, fire control liquid also can fully pour into lithium battery module in, guarantees the inside and outside liquid level highly uniform of lithium battery module.
5. The application provides a battery jar for large-scale energy storage system, the fire control chamber with high-order liquid incasement has the fire control liquid that disappears, when taking place the thermal runaway, it can take place to break to let out the part of exploding, makes the fire control liquid be in under the effect of high-order liquid case liquid level difference let into through letting out the passageway of exploding in the lithium battery module, reach cooling, pressure release and termination thermal runaway and the effect that the thermal runaway stretchs through passive means, stopped the thermal runaway risk of lithium battery module.
Additional advantages, objects, and features of the application will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a battery can according to an embodiment of the present disclosure.
Fig. 2 is a second schematic structural diagram of a battery can according to an embodiment of the present disclosure.
Fig. 3 is a third schematic structural diagram of a battery can according to an embodiment of the present disclosure.
Fig. 4 is a schematic view of a partial structure of a lithium battery module of a battery can according to an embodiment of the present disclosure.
Fig. 5 is a schematic view of a partial structure of an explosion venting part and a sealing part of a battery can according to an embodiment of the present disclosure.
Fig. 6 is a second partial structural diagram of the explosion venting portion and the sealing portion of the battery can according to the embodiment of the present application.
Description of reference numerals:
the method comprises the following steps of 1-a shell, 2-a positioning plate, 3-a partition plate, 4-a radial sealing ring, 5-an end face sealing element, 6-an explosion venting component, 7-a lithium battery module, 8-an electric cavity, 9-a cooling cavity, 10-a fire-fighting cavity, 11-a heat pipe, 12-an explosion venting channel, 13-a high-level liquid tank, 14-a liquid inlet pipe, 15-a maintenance valve and 16-a pressure relief valve.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings, whereby one skilled in the art can, with reference to the description, make an implementation.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
The technical solution of the present application will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1
The battery jar for large-scale energy storage system that this application embodiment provided, as shown in fig. 1, fig. 3, fig. 4, fig. 5, including casing 1, locating plate 2, baffle 3, radial seal 4, end face seal 5, let out explode the part 6, lithium cell module 7, electric chamber 8, cooling chamber 9, fire control chamber 10, heat pipe 11 lets out and explodes passageway 12, high-order liquid case 13, feed liquor pipe 14, service valve 15, relief valve 16. This application embodiment is divided into electric chamber 8, cooling chamber 9 and fire control chamber 10 with the battery jar through locating plate 2, baffle 3, and what 9 tops in cooling chamber is electric chamber 8, and what 9 below in cooling chamber is fire control chamber 10. The fire-fighting cavity 10 and the high-level liquid tank 13 are internally provided with perfluorohexanone and communicated through a liquid inlet pipe 14, the liquid inlet pipe is provided with an overhaul valve 15, and the bottom of the fire-fighting cavity 10 and the top of the high-level liquid tank 13 are provided with pressure release valves 16. Lithium battery module 8 is cylinder battery module, including shell, upper cover, lower cover and electric core, lithium battery module 7 lower cover center is provided with lets out and explodes part 6, baffle 3 with let out to explode and be equipped with between the part 6 and let out and explode passageway 12, the cross sectional area of lithium battery module 7 lower cover is greater than let out and explode the cross sectional area of passageway 12, make lithium battery module 7 seal under self action of gravity in on the backup pad 4, lithium battery module 7 with let out and explode the passageway 12 junction and have end face seal 5 in the horizontal direction, have radial seal 4 in vertical direction, strengthen sealed effect. The positioning plate 2 is arranged above the battery jar, and a positioning device is arranged at a position corresponding to the lithium battery module 7. The positive negative pole of lithium battery module 7 is connected into the electric chamber 8 of 2 tops of locating plate by the wire, be equipped with the control unit in the electric chamber 8, the control unit is: the system comprises a battery management system, a bus bar and an energy storage converter.
Each battery cell in the lithium battery module is also provided with a first explosion venting unit; when the battery core is out of control thermally, the first explosion venting unit on the battery core is started, and substances generated by the out of control thermally gush out from an explosion venting port of the battery core and are buffered in the lithium battery module; when the pressure in the lithium battery module reaches a threshold value, the explosion venting component 6 at the center of the lower cover of the lithium battery module 7 is started, the explosion venting channel 12 is opened, so that the fire-fighting liquid enters the lithium battery module 8 through the explosion venting channel 12 under the action of the liquid level difference of the high-level liquid tank 13, and the effects of cooling, pressure relief, termination of thermal runaway and thermal runaway propagation are achieved by using a passive means.
The upper cover of lithium battery module still is equipped with at least one pressure release aperture, when taking place the thermal runaway, can make to let out and explode gaseous smooth and easy exhaust in, external pressure in also can balancing, makes fire control liquid can fully flow backward get into lithium battery module in, guarantees that the inside and outside liquid level of lithium battery module is highly unanimous.
There are many heat pipes 11 in the cooling chamber 9, heat pipe 11 is located lithium battery module 7, hugs closely the shell of electric core among the lithium battery module 7, the one end of heat pipe 11 with fire control chamber 10 intercommunication, the time derives the heat that lithium battery module 7 produced. The fire-fighting liquid is perfluorohexanone and can be used as a phase-change material of the heat pipe 11.
Example 2
The battery jar for large-scale energy storage system that this application embodiment provided, as shown in fig. 2, fig. 3, fig. 4, fig. 6, including casing 1, locating plate 2, baffle 3, radial seal circle 4, end face seal 5, let out explode the part 6, lithium cell module 7, electric chamber 8, cooling chamber 9, fire control chamber 10, heat pipe 11 lets out and explodes passageway 12, relief valve 16. This application embodiment is divided into electric chamber 8, cooling chamber 9 and fire control chamber 10 with the battery jar through locating plate 2, baffle 3, and 9 belows in cooling chamber are electric chamber 8, and 9 tops in cooling chamber are fire control chamber 10.
The interior of the fire-fighting cavity 10 is perfluorohexanone, and the fire-fighting cavity 10 is connected with a pressure release valve 16. Lithium battery module 8 is cylinder battery module, including shell, upper cover, lower cover and electric core, lithium battery module 7 lower cover center is provided with lets out and explodes part 6, baffle 3 with let out to explode and be equipped with between the part 6 and let out and explode passageway 12, the cross sectional area of lithium battery module 7 lower cover is greater than let out and explode the cross sectional area of passageway 12, make lithium battery module 7 seal under self action of gravity in on the backup pad 4, lithium battery module 7 with let out and explode the passageway 12 junction and have end face seal 5 in the horizontal direction, have radial seal 4 in vertical direction, strengthen sealed effect. The positioning plate 2 is arranged above the battery jar, and a positioning device is arranged at a position corresponding to the lithium battery module 7. The positive negative pole of lithium battery module 7 is connected into the electric chamber 8 of 2 tops of locating plate by the wire, be equipped with the control unit in the electric chamber 8, the control unit is: the system comprises a battery management system, a bus bar and an energy storage converter.
Each battery cell in the lithium battery module is also provided with a first explosion venting unit; when the battery core is out of control thermally, the first explosion venting unit on the battery core is started, and substances generated by the out of control thermally gush out from an explosion venting port of the battery core and are buffered in the lithium battery module; when the pressure in the lithium battery module reaches a threshold value, the explosion venting component 6 at the center of the lower cover of the lithium battery module 7 is started, the explosion venting channel 12 is opened, so that the perfluorohexanone enters the lithium battery module 8 through the explosion venting channel 12 under the action of self gravity, and the effects of cooling, pressure relief, termination of thermal runaway and thermal runaway propagation are achieved by using a passive means. There are many heat pipes 11 in the cooling chamber 9, heat pipe 11 is located lithium battery module 7, hugs closely the shell of electric core in lithium battery module 7, the one end of heat pipe 11 with fire control chamber 10 intercommunication is in time derived the heat that lithium battery module 7 produced. The perfluorohexanone in the fire-fighting cavity 10 can be used as a fire-fighting cooling medium and can also be used as a phase-change material of the heat pipe 11.
Although the embodiments of the present application have been disclosed above, they are not limited to the applications listed in the description and the embodiments. It can be applied in all kinds of fields suitable for the present application. Additional modifications will readily occur to those skilled in the art. Therefore, the application is not limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims (12)

1. The utility model provides a battery jar for large-scale energy storage system, includes lithium battery module, casing, baffle and locating plate, through baffle and locating plate divide into electric chamber, cooling chamber and fire control chamber with the battery jar, the lithium battery module includes shell, upper cover, lower cover and at least one electric core, its characterized in that, there are many heat pipes in the cooling chamber, the heat pipe is located lithium battery module, hugs closely the shell setting of electric core, the one end of heat pipe with the fire control chamber is linked together, the fire control intracavity is annotated and is had the fire control coolant liquid that can regard as heat pipe phase change material.
2. The battery can of claim 1, wherein a positioning means is provided on the positioning plate at a position corresponding to each of the lithium battery modules.
3. The battery can of claim 1, wherein the fire chamber has a pressure relief valve at a bottom thereof.
4. The battery can of claim 1, wherein the casing is an aluminum alloy, or a metallic or non-metallic material having a strength comparable to an aluminum alloy.
5. The battery can of claim 1, wherein an explosion venting component is disposed in the center of the lower cover of the lithium battery module, an explosion venting channel is formed between the separator and the explosion venting component, and the cross-sectional area of the lower cover of the lithium battery module is larger than that of the explosion venting channel, so that the lithium battery module is sealed on the separator under the action of its own weight.
6. The battery can of claim 5, wherein the lithium battery module is connected with the explosion venting channel and is provided with an end face gasket in the horizontal direction.
7. The battery can of claim 5, wherein the lithium battery module is vertically provided with a radial sealing ring at the connection with the explosion venting channel.
8. The battery can of claim 5, wherein each cell in the lithium battery module is further provided with a first explosion venting unit; when the battery core is out of control thermally, the first explosion venting unit on the battery core is started, the material generated by the out of control thermally is sprayed out of the battery core, the lithium battery module is internally buffered, when the pressure in the lithium battery module reaches a threshold value, the explosion venting component at the center of the lower cover of the lithium battery module is started, the explosion venting channel is opened, and the fire-fighting liquid enters the lithium battery module through the explosion venting channel under the action of the liquid level difference of the high-level liquid tank.
9. The battery can of claim 1, wherein an electrical cavity is above the locating plate, a cooling cavity is between the locating plate and the partition plate, and a fire-fighting cavity is below the partition plate; the fire-fighting cavity is arranged on the lower portion of the battery jar and communicated with a high-level liquid tank through a liquid inlet pipe, the high-level liquid tank is arranged in the electric cavity, and fire-fighting cooling liquid capable of serving as a heat pipe phase-change material is injected into the high-level liquid tank.
10. The battery can of claim 1, wherein an electrical cavity is below the locating plate, a cooling cavity is between the locating plate and the partition plate, and a fire protection cavity is above the partition plate; the fire-fighting cavity is arranged on the upper part of the battery jar, and fire-fighting cooling liquid which can be used as a heat pipe phase-change material is injected into the fire-fighting cavity.
11. The battery can of claim 9 or 10, wherein the fire fighting coolant is perfluorohexanone.
12. The battery jar according to claim 9 or 10, wherein a service valve is arranged on the liquid inlet pipe communicated with the fire fighting cavity.
CN202111063829.2A 2021-09-10 2021-09-10 Battery jar for large energy storage system Pending CN113725477A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202111063829.2A CN113725477A (en) 2021-09-10 2021-09-10 Battery jar for large energy storage system
PCT/CN2022/117837 WO2023036248A1 (en) 2021-09-10 2022-09-08 Battery tank for large-scale energy storage system, and explosion venting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111063829.2A CN113725477A (en) 2021-09-10 2021-09-10 Battery jar for large energy storage system

Publications (1)

Publication Number Publication Date
CN113725477A true CN113725477A (en) 2021-11-30

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ID=78683319

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111063829.2A Pending CN113725477A (en) 2021-09-10 2021-09-10 Battery jar for large energy storage system

Country Status (1)

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CN (1) CN113725477A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2023036248A1 (en) * 2021-09-10 2023-03-16 陕西奥林波斯电力能源有限责任公司 Battery tank for large-scale energy storage system, and explosion venting method
CN116505185A (en) * 2023-06-27 2023-07-28 楚能新能源股份有限公司 Immersion valve assembly and immersion type secondary battery device with same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023036248A1 (en) * 2021-09-10 2023-03-16 陕西奥林波斯电力能源有限责任公司 Battery tank for large-scale energy storage system, and explosion venting 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
CN116505185A (en) * 2023-06-27 2023-07-28 楚能新能源股份有限公司 Immersion valve assembly and immersion type secondary battery device with same
CN116505185B (en) * 2023-06-27 2023-10-03 楚能新能源股份有限公司 Immersion valve assembly and immersion type secondary battery device with same

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