CN114569917A - Method and device for cooling and extinguishing fire of capillary network of lithium battery pack - Google Patents

Method and device for cooling and extinguishing fire of capillary network of lithium battery pack Download PDF

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Publication number
CN114569917A
CN114569917A CN202210208050.3A CN202210208050A CN114569917A CN 114569917 A CN114569917 A CN 114569917A CN 202210208050 A CN202210208050 A CN 202210208050A CN 114569917 A CN114569917 A CN 114569917A
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China
Prior art keywords
group
capillary
fire extinguishing
contact
extinguishing agent
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Pending
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CN202210208050.3A
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Chinese (zh)
Inventor
赵彦卿
王静萱
张国正
王欢
张建新
金磊
范海玲
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Tianjin Tianwu Intelligent Technology Co ltd
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Tianjin Tianwu Intelligent Technology Co ltd
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Priority to CN202210208050.3A priority Critical patent/CN114569917A/en
Publication of CN114569917A publication Critical patent/CN114569917A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
    • A62C37/10—Releasing means, e.g. electrically released
    • A62C37/11—Releasing means, e.g. electrically released heat-sensitive
    • A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
    • 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
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
    • 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
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • 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)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

The invention belongs to the technical field of lithium battery fire extinguishing, and particularly relates to a method and a device for cooling and extinguishing fire of a capillary network of a lithium battery pack, which comprise a fire extinguishing agent container filled with a perfluoro-hexanone fire extinguishing agent, wherein the output end of the fire extinguishing agent container is fixedly provided with a liquid outlet pipe, the input end of the fire extinguishing agent container is fixedly provided with a liquid inlet pipe, and the output end of the liquid outlet pipe is fixedly provided with a first pump set; through set up the capillary group in the group battery, the capillary group is including distributing the confession liquid capillary group of the battery monomer upper and lower side, backflow capillary group and contact capillary group, contact capillary group sets up in the clearance, the inside perfluoro ketone fire extinguishing agent that circulates under the effect of pump package lasts in the capillary group, the heat that can absorb the battery monomer during operation production is cooled down, when the too high condition that produces the spontaneous combustion of temperature of group battery, then contact capillary group part can break, with the inside perfluoro ketone fire extinguishing agent release, and be used for putting out a fire to the group battery regional fire of starting a fire.

Description

Method and device for cooling and extinguishing fire of capillary network of lithium battery pack
Technical Field
The invention belongs to the technical field of lithium battery fire extinguishing, and particularly relates to a method and a device for cooling and extinguishing fire of a lithium battery pack capillary network.
Background
The lithium battery is the most widely used battery in the battery energy storage system, and although the lithium battery has excellent performance, the lithium battery can generate thermal runaway under abuse conditions such as overheating, over-charging and discharging, short circuit and the like, and release a large amount of heat and toxic smoke, so that fire explosion accidents can be possibly caused.
At present lithium cell is usually through the cluster with single lithium cell, and parallel connection later forms the battery package, and in order to let the volume of battery package littleer, so compact structure between the single battery leads to single battery in the heat gathering of course of the work, and the heat dissipation is bad, therefore the phenomenon of overheated spontaneous combustion appears in the lithium cell under the condition of charging or overload work, consequently needs urgent need to be directed against cooling, the extinguishing device of battery.
Disclosure of Invention
The invention provides a method and a device for cooling and extinguishing a fire of a lithium battery pack capillary tube network, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: lithium cell group capillary network cooling, extinguishing device, including the splendid attire fire extinguishing agent container that has perfluor ketone fire extinguishing agent, the output fixed mounting of fire extinguishing agent container has the drain pipe, the input fixed mounting of fire extinguishing agent container has the feed liquor pipe, the output fixed mounting of drain pipe has first pump package, the input fixed mounting of feed liquor pipe has the second pump package, install the pumping pipeline between first pump package and the second pump package, so that fire extinguishing agent container, first pump package, second pump package and pumping pipeline constitute circulation circuit, wherein, the pumping pipeline is including installing the transport nest of tubes of first pump package output, install the return flow nest of tubes of second pump package input and set up the inside capillary nest of tubes in the group battery, the both ends of capillary nest of tubes communicate with transport nest of tubes and return flow nest of tubes respectively, the group battery includes a plurality of cluster, The battery monomer that the parallel connection is made up, adjacent two have the clearance between the battery monomer, capillary group is including distributing the confession liquid capillary group, backward flow capillary group and the contact capillary group of battery monomer upper and lower side, the contact capillary group set up in the clearance, just the both ends of contact capillary group respectively with confession liquid capillary group, backward flow capillary group intercommunication.
Preferably, the flow direction of the perfluorohexanone fire extinguishing agent in the contact capillary group is all from the liquid supply capillary group to the return capillary group.
Preferably, the contact capillary group comprises a first contact tube, a second contact tube and a third contact tube, the cross section of the first contact tube is circular, the cross section of the second contact tube is square, and the cross section of the third contact tube is star-shaped.
Preferably, the tube wall of the capillary tube group is made of copper, aluminum or glass.
Preferably, the pipe walls of the liquid supply capillary group and the return capillary group are made of copper or aluminum, the pipe wall of the contact capillary group is made of glass, and the contact capillary group is elastically sealed with the liquid supply capillary group and the return capillary group through rubber sealing rings.
Preferably, the thickness of the tube wall of the contact capillary group is 0.5 mm-0.8 mm.
Preferably, the radiator is all installed to the outside of carrying nest of tubes and return line nest of tubes, the radiator includes hoop lagging and fin, hoop lagging cover is established the outside of carrying nest of tubes, return line nest of tubes, the fin evenly distributed is in on the lateral wall of hoop lagging.
A cooling and fire extinguishing method applying a lithium battery pack capillary network cooling and fire extinguishing device comprises the following steps:
step S1, the first pump group and the second pump group are started, and the perfluorohexanone fire extinguishing agent forms circulation in the fire extinguishing agent container, the first pump group, the pumping pipeline and the second pump group;
step S2, cooling process: the perfluorinated ketone extinguishing agent circulating in the capillary tube group in the battery pack is heated to absorb heat, and meanwhile, the perfluorinated ketone extinguishing agent is cooled to release heat when circulating in the conveying tube group, the reflux tube group and the extinguishing agent container, so that the battery pack is cooled;
step S3, fire extinguishing process: when the working temperature of the battery pack is too high and spontaneous combustion occurs, the contact capillary group is heated and broken, and the perfluorinated cyclohexanone fire extinguishing agent in the contact capillary group is released and is used for extinguishing fire of a fire area of the battery pack.
Compared with the prior art, the invention has the beneficial effects that:
the battery pack is internally provided with the capillary group, the capillary group comprises a liquid supply capillary group, a return capillary group and a contact capillary group which are distributed on the upper side and the lower side of the battery monomer, the contact capillary group is arranged in the gap, the perfluoro-hexanone fire extinguishing agent continuously circulates in the capillary group under the action of the pump group, the heat generated when the battery monomer works can be absorbed for cooling, when the battery pack is self-ignited due to overhigh temperature, the contact capillary group can be partially broken, the perfluoro-hexanone fire extinguishing agent in the contact capillary group is released, and the perfluoro-hexanone fire extinguishing agent is used for extinguishing the fire ignition area of the battery pack.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the structure of a capillary tube stack in a battery pack according to the present invention;
FIG. 3 is a schematic diagram of the pump line and radiator of the present invention;
FIG. 4 is a schematic diagram showing the distribution and shape of the contact capillary group in the present invention.
In the figure: 1. a fire suppressant container; 11. a liquid outlet pipe; 12. a liquid inlet pipe; 2. a first pump group; 3. a second pump group; 4. a pumping line; 41. a delivery tube set; 42. a reflux tube group; 43. a capillary group; 431. a liquid supply capillary group; 432. a set of contact capillaries; 432a, a first contact tube; 432b, a second contact tube; 432c, a third contact tube; 433. a set of return capillaries; 5. a heat sink; 51. a hoop plate; 52. a heat sink; 6. a battery pack; 61. a battery cell; 62. a gap; 7. a perfluorohexanone fire extinguishing agent.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: a lithium battery pack capillary network cooling and fire extinguishing device comprises a fire extinguishing agent container 1 containing a perfluorohexanone fire extinguishing agent 7, a liquid outlet pipe 11 is fixedly installed at the output end of the fire extinguishing agent container 1, a liquid inlet pipe 12 is fixedly installed at the input end of the fire extinguishing agent container 1, a first pump set 2 is fixedly installed at the output end of the liquid outlet pipe 11, a second pump set 3 is fixedly installed at the input end of the liquid inlet pipe 12, a pumping pipeline 4 is installed between the first pump set 2 and the second pump set 3, so that the fire extinguishing agent container 1, the first pump set 2, the second pump set 3 and the pumping pipeline 4 form a circulation loop, wherein the pumping pipeline 4 comprises a conveying pipe set 41 installed at the output end of the first pump set 2, a backflow pipe set 42 installed at the input end of the second pump set 3 and a capillary pipe set 43 arranged inside a battery pack 6, and two ends of the capillary pipe set 43 are respectively communicated with the conveying pipe set 41 and the backflow pipe set 42, the battery pack 6 comprises a plurality of battery monomers 61 which are combined in series and in parallel, a gap 62 is formed between every two adjacent battery monomers 61, the capillary group 43 comprises a liquid supply capillary group 431, a return capillary group 433 and a contact capillary group 432 which are distributed on the upper side and the lower side of the battery monomers 61, the contact capillary group 432 is arranged in the gap 62, and two ends of the contact capillary group 432 are respectively communicated with the liquid supply capillary group 431 and the return capillary group 433.
In this embodiment, by disposing the capillary group 43 in the battery pack 6, wherein the capillary group 43 includes a liquid supply capillary group 431, a return capillary group 433 and a contact capillary group 432 distributed on the upper and lower sides of the battery cell 61, and the contact capillary group 432 is disposed in the gap 62, the perfluorohexanone fire extinguishing agent 7 continuously circulates in the capillary group 43 under the action of the pump group, so as to absorb the heat generated by the operation of the battery cell 61 and then discharge the heat after flowing out of the battery pack 6, so that the heat in the battery pack 6 is absorbed in a circulating manner, and when the temperature of the battery pack 6 is too high to generate a spontaneous combustion condition, the contact capillary group 432 is broken, and the perfluorohexanone fire extinguishing agent 7 inside is released and used for extinguishing the fire in the fire area of the battery pack 6.
Specifically, the flow directions of the perfluoro-cyclohexanone fire extinguishing agent 7 in the contact capillary group 432 are all from the liquid supply capillary group 431 to the liquid return capillary group 433, and in an alternative embodiment, the contact capillary group 432 comprises a first contact pipe 432a, a second contact pipe 432b and a third contact pipe 432c, wherein the first contact pipe 432a has a circular cross section, the second contact pipe 432b has a square cross section, and the third contact pipe 432c has a star cross section, which can be selected according to the size of the gap 62 between the battery cells 61.
Specifically, the tube wall of the capillary tube group 43 is made of copper, aluminum or glass, and a suitable material can be selected according to the use environment, so that both copper and aluminum have good thermal conductivity, and the capillary tube group 43 made of glass is easier to break.
Specifically, the tube walls of the liquid supply capillary tube group 431 and the return capillary tube group 433 are made of copper or aluminum, the tube wall of the contact capillary tube group 432 is made of glass, and the contact capillary tube group 432 is elastically sealed with the liquid supply capillary tube group 431 and the return capillary tube group 433 through rubber seal rings, so that the contact capillary tube group 432 made of glass is not affected by the vibration of the liquid supply capillary tube group 431 and the return capillary tube group 433, and is only broken when the battery cell 61 is spontaneously combusted and expanded.
Specifically, the thickness of the tube wall of the contact capillary tube set 432 is 0.5 mm-0.8 mm, so that when the battery cell 61 expands by spontaneous combustion, the contact capillary tube set 432 is more easily burst, and the perfluoro hexanone fire extinguishing agent 7 in the contact capillary tube set flows out.
Specifically, the radiators 5 are mounted outside the conveying pipe group 41 and the return pipe group 42, the radiators 5 include a hoop plate 51 and cooling fins 52, the hoop plate 51 is sleeved outside the conveying pipe group 41 and the return pipe group 42, the cooling fins 52 are uniformly distributed on the outer side wall of the hoop plate 51, and the heat radiators 5 are mounted on the conveying pipe group 41 and the return pipe group 42, so that the perfluorohexanone fire-extinguishing agent 7 flows out of the battery pack 6 and then is more easily subjected to heat exchange with air to be cooled.
The invention provides another technical scheme, and provides a cooling and fire extinguishing method applying a lithium battery pack capillary network cooling and fire extinguishing device, which comprises the following steps:
step S1, starting the first pump group 2 and the second pump group 3 to enable the perfluorohexanone fire extinguishing agent 7 to form circulation in the fire extinguishing agent container 1, the first pump group 2, the pumping pipeline 4 and the second pump group 3;
step S2, cooling process: the perfluorohexanone fire extinguishing agent 7 circulating inside the capillary tube group 43 in the battery pack 6 is heated to raise the temperature to absorb heat, and meanwhile, the perfluorohexanone fire extinguishing agent 7 is cooled to release heat when circulating inside the conveying tube group 41, the return tube group 42 and the fire extinguishing agent container 1, so that the battery pack 6 is cooled;
step S3, fire extinguishing process: when the operating temperature of the battery 6 is too high and spontaneous combustion occurs, the contact capillary set 432 is heated and ruptured, releasing the perfluorohexanone fire extinguishing agent 7 inside and serving to extinguish the fire in the area where the battery 6 is on fire.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. Lithium cell group capillary network cooling, extinguishing device, its characterized in that: the fire extinguishing agent container comprises a fire extinguishing agent container (1) containing a perfluoro-hexanone fire extinguishing agent (7), wherein a liquid outlet pipe (11) is fixedly installed at the output end of the fire extinguishing agent container (1), a liquid inlet pipe (12) is fixedly installed at the input end of the fire extinguishing agent container (1), a first pump group (2) is fixedly installed at the output end of the liquid outlet pipe (11), a second pump group (3) is fixedly installed at the input end of the liquid inlet pipe (12), a pumping pipeline (4) is installed between the first pump group (2) and the second pump group (3) so that the fire extinguishing agent container (1), the first pump group (2), the second pump group (3) and the pumping pipeline (4) form a circulation loop, wherein the pumping pipeline (4) comprises a conveying pipe group (41) installed at the output end of the first pump group (2), a backflow pipe group (42) installed at the input end of the second pump group (3) and a capillary pipe group (43) arranged inside a battery group (6), the both ends of capillary group (43) communicate with delivery pipe group (41) and return flow group (42) respectively, group battery (6) include a plurality of cluster, parallel connection combination battery monomer (61), adjacent two clearance (62) have between battery monomer (61), capillary group (43) are including distributing in the confession liquid capillary group (431), return flow capillary group (433) and contact capillary group (432) of battery monomer (61) downside, contact capillary group (432) set up in clearance (62), just the both ends of contact capillary group (432) respectively with confession liquid capillary group (431), return flow capillary group (433) communicate.
2. The lithium battery pack capillary network cooling, temperature reducing and fire extinguishing device according to claim 1, characterized in that: the flow direction of the perfluorohexanone fire extinguishing agent (7) in the contact capillary group (432) is respectively from the liquid supply capillary group (431) to the return capillary group (433).
3. The lithium battery pack capillary network cooling, temperature reducing and fire extinguishing device according to claim 1, characterized in that: the contact capillary group (432) comprises a first contact pipe (432a), a second contact pipe (432b) and a third contact pipe (432c), wherein the section of the first contact pipe (432a) is circular, the section of the second contact pipe (432b) is square, and the section of the third contact pipe (432c) is star-shaped.
4. The cooling and fire extinguishing device for the lithium battery pack capillary network according to any one of claims 1 to 3, wherein: the tube wall of the capillary tube group (43) is made of copper, aluminum or glass.
5. The cooling and fire extinguishing device for the lithium battery pack capillary network according to any one of claims 1 to 3, wherein: the pipe wall materials of the liquid supply capillary group (431) and the backflow capillary group (433) are copper or aluminum, the pipe wall material of the contact capillary group (432) is glass, and the contact capillary group (432) is elastically sealed with the liquid supply capillary group (431) and the backflow capillary group (433) through rubber sealing rings.
6. The cooling and fire extinguishing device for the lithium battery pack capillary network according to any one of claims 1 to 3, wherein: the thickness of the tube wall of the contact capillary tube group (432) is 0.5 mm-0.8 mm.
7. The cooling and fire extinguishing device for the lithium battery pack capillary network according to any one of claims 1 to 3, wherein: carry the outside of nest of tubes (41) and return line nest of tubes (42) and all install radiator (5), radiator (5) are including hoop lagging (51) and fin (52), hoop lagging (51) cover is established carry the outside of nest of tubes (41), return line nest of tubes (42), fin (52) evenly distributed is in on the lateral wall of hoop lagging (51).
8. A cooling and fire extinguishing method applying the lithium battery pack capillary network cooling and fire extinguishing device according to claim 1, characterized in that: the method comprises the following steps:
step S1, starting the first pump group (2) and the second pump group (3) to enable the perfluorohexanone fire extinguishing agent (7) to form a circulation in the fire extinguishing agent container (1), the first pump group (2), the pumping pipeline (4) and the second pump group (3);
step S2, cooling process: the perfluoro-hexanone fire extinguishing agent (7) circulating inside the capillary tube group (43) in the battery pack (6) is heated to raise the temperature to absorb heat, and meanwhile, the perfluoro-hexanone fire extinguishing agent (7) is cooled to release heat when circulating inside the conveying tube group (41), the return tube group (42) and the fire extinguishing agent container (1), so that the battery pack (6) is cooled;
step S3, fire extinguishing process: when the battery pack (6) is over high in working temperature and spontaneous combustion occurs, the contact capillary group (432) is heated and broken, and the perfluoro-hexanone fire extinguishing agent (7) in the contact capillary group is released and used for extinguishing fire in the fire area of the battery pack (6).
CN202210208050.3A 2022-03-04 2022-03-04 Method and device for cooling and extinguishing fire of capillary network of lithium battery pack Pending CN114569917A (en)

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CN202210208050.3A CN114569917A (en) 2022-03-04 2022-03-04 Method and device for cooling and extinguishing fire of capillary network of lithium battery pack

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103825059A (en) * 2014-02-13 2014-05-28 浙江吉利控股集团有限公司 Heat management and automatic-fire extinguishing system for vehicle battery
CN212085091U (en) * 2020-05-25 2020-12-04 重庆金康动力新能源有限公司 Battery pack with fire extinguishing pipeline
CN112490569A (en) * 2020-11-12 2021-03-12 西安交通大学 Micro-channel type battery liquid cooling structure
CN112886096A (en) * 2021-02-01 2021-06-01 河南理工大学 Active heat management system of lithium ion power battery pack based on phase-change material
US20210367286A1 (en) * 2020-05-25 2021-11-25 Chongqing Jinkang Power New Energy Co., Ltd. Battery pack

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103825059A (en) * 2014-02-13 2014-05-28 浙江吉利控股集团有限公司 Heat management and automatic-fire extinguishing system for vehicle battery
CN212085091U (en) * 2020-05-25 2020-12-04 重庆金康动力新能源有限公司 Battery pack with fire extinguishing pipeline
US20210367286A1 (en) * 2020-05-25 2021-11-25 Chongqing Jinkang Power New Energy Co., Ltd. Battery pack
CN112490569A (en) * 2020-11-12 2021-03-12 西安交通大学 Micro-channel type battery liquid cooling structure
CN112886096A (en) * 2021-02-01 2021-06-01 河南理工大学 Active heat management system of lithium ion power battery pack based on phase-change material

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Application publication date: 20220603