CN205810892U - A kind of lithium battery bag - Google Patents
A kind of lithium battery bag Download PDFInfo
- Publication number
- CN205810892U CN205810892U CN201620251868.3U CN201620251868U CN205810892U CN 205810892 U CN205810892 U CN 205810892U CN 201620251868 U CN201620251868 U CN 201620251868U CN 205810892 U CN205810892 U CN 205810892U
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- CN
- China
- Prior art keywords
- battery
- lithium battery
- battery bag
- bag
- lithium
- 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.)
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 48
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 46
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 19
- 239000004917 carbon fiber Substances 0.000 claims abstract description 19
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 239000003063 flame retardant Substances 0.000 claims abstract description 7
- 238000005070 sampling Methods 0.000 claims abstract description 7
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229920000642 polymer Polymers 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 3
- 238000001994 activation Methods 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 229920002903 fire-safe polymer Polymers 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000004146 energy storage Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 239000006185 dispersion Substances 0.000 abstract description 2
- 150000002641 lithium Chemical class 0.000 abstract 1
- 239000000956 alloy Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of lithium battery bag, belong to lithium battery safety and energy storage field.This lithium battery bag includes: housing cove, housing, battery carrier, diverter, battery circuit protection board, thermocouple, sampling line, order wire and power line.Wherein, described battery carrier is one-dimensional carbon fiber modifying flame-retardant high-molecular composite, there is the heat dispersion of excellence, the heat produced in battery core charge and discharge process orientation can be distributed to battery, stop the potential safety hazard brought because of accumulation of heat, and can guarantee that the big calorimetric discharged after once certain battery core is exploded does not affects the working environment of battery core around；Described housing is flame retarded polymeric material, there is outstanding mechanical performance, can tolerate the impact that battery core blast produces, be avoided that the lithium battery bag integral combustion caused because battery core is caught fire, case top groove structure is the most waterproof but also hot-air is outwardly in can guarantee that battery bag.This utility model technique is simple, and compact conformation is with a wide range of applications in new forms of energy energy storage field.
Description
Technical field
This utility model relates to a kind of lithium battery bag with explosion prevention function, belongs to lithium battery safety and new forms of energy energy storage
Technical field.
Background technology
Along with China's economic development and process of industrialization are accelerated, a series of environmental problem emerges in succession, the energy
Crisis and environmental pollution have become the important contradiction of restriction China development the most, therefore, readjust the energy structure, and promote energy storage technology wound
Newly have become as state key development strategy.Lithium ion battery is one of most important technology in energy storage field, photovoltaic generation with
And electric automobile field is all widely used.
The existing lithium battery in market mainly has ferric phosphate lithium cell, ternary lithium battery, cobalt acid lithium battery etc., uses during work
Radiating mode be mainly air cooling, but the convection transfer rate of air is less, and heat transfer effect is inconspicuous, and lithium battery is filling
Discharge process can produce heat, if these heats are discharged the most in time and tired out in a large number because electrochemical reaction and material transmit
Long-pending, battery temperature can be further resulted in and rise, reaction is accelerated, and affects battery life, once runs into certain battery core temperature and drastically go up
Situation about rising, it is impossible to ensure the safety that set of cells is overall.In addition, part lithium battery (such as ternary lithium battery) is as short in inside
Road, positive electrode is met water or severe crush deformation occurs, can produce naked light, more seriously, may cause thermal runaway, finally
Battery vigorous combustion is caused even to cause set of cells serial blast.
Improve the safety of lithium battery bag, can come real by the mechanical property and fire resistance of improving battery packaging material
Existing.Li Xuanke (CN 103073836A) and the most quiet (Yi Jing. the preparation of pitch based carbon fiber ABS/ resin heat-conductive composite material is ground
Study carefully [D]. Wuhan University Of Technology, 2013.) et al. be prepared for a series of one-dimensional carbon fiber/polymer composite and have studied multiple
The heat conductivility of condensation material and shock resistance, on this basis, recklessly girl (girl recklessly, Li Bunan, high intrinsic. Carbon fibe/resin is multiple
The numerical simulation [J] of condensation material heat conductivility. the present age chemical industry, 2014,43 (12): 2636-2639.) et al. calculate one-dimensional carbon
The size of fiber/epoxy resin interface thermal resistance, result shows, above-mentioned composite has outstanding room temperature in particular directions
Thermal conductivity and impact strength.Due to the character of these uniquenesses, above-mentioned composite is used in inside lithium battery bag, both can make
Heat, along a fixed line orientation conduction, can guarantee that again the mechanical property of battery structure, but in existing document and have not seen this
Composite is in the application of association area.
Utility model content
The purpose of this utility model is, overcomes existing lithium battery bag heat radiation difficulty, and overall mechanical strength is not enough, it is difficult to
Time accomplish waterproof and ventilative shortcoming.
For achieving the above object, this utility model provides a kind of lithium battery bag, including housing cove, housing, battery carrier,
Diverter, battery circuit protection board, thermocouple, sampling line, order wire and power line, described battery carrier is used for fixing battery core, institute
Stating battery core and be connected as set of cells by power line, the positive pole of described set of cells causes the positive terminal of described battery bag by power line
Son, the negative pole of described set of cells is connected with diverter one pole by power line, and another pole of described diverter is caused by wire
The negative terminal of battery bag, described battery circuit protection board is connected with battery core, diverter and thermocouple by sampling line, is responsible for
Monitor battery core and the voltage of diverter and temperature, and by order wire, collection data are reached outside battery bag.
Preferably, described battery core is LiFePO4 battery core, cobalt acid lithium cell, ternary lithium cell or polymer lithium battery core.
Preferably, described battery carrier is one-dimensional carbon fiber modifying flame-retardant high-molecular composite.
Preferably, the matrix of described polymer composite is fire retarding epoxide resin or fire-retardant acrylonitrile-butadiene diene-benzene second
Alkene copolymer (ABS).
Preferably, described case body is fire retardation PC alloy and/or flame-proof ABS alloy.
Preferably, described one-dimensional carbon fiber is the asphalt-based carbon fiber of surface activation process.
Preferably, described one-dimensional carbon fiber stretches orientation unanimously.
Preferably, described battery carrier be provided with circular void and or star space.
Preferably, the arragement direction in described space is identical with carbon fiber direction of extension.
Preferably, described case top is provided with the groove structure of water-proof ventilation.
The lithium battery bag that this utility model provides, has the heat dispersion of excellence, can be by carbon fiber guide passage by battery core
The heat orientation produced in charge and discharge process distributes to battery bag, stops the potential safety hazard brought because of accumulation of heat, and energy
After ensureing the once overheated even blast of certain battery core, the big calorimetric of release does not affect the working environment of battery core around, in addition,
Described lithium battery bag satisfactory mechanical property, can tolerate the impact that battery core blast produces, good flame resistance, is avoided that battery core is caught fire and drawn
The lithium battery bag integral combustion risen.The special groove structure in described lithium battery pack housing top is the most waterproof but also will not hinder battery
The outside convection current of bag hot inside air.This utility model technique is simple, and compact conformation is lightweight, at photovoltaic generation and electronic vapour
The technical field of new energy storage such as car have wide practical use.
Accompanying drawing explanation
Fig. 1 is a kind of lithium battery pack arrangement schematic diagram that this utility model embodiment provides；
Fig. 2 be housing and the battery carrier of lithium battery bag shown in Fig. 1 coordinate schematic diagram.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is further described.
As depicted in figs. 1 and 2, lithium battery bag includes that housing cove 1, housing 2, battery carrier 3, diverter, battery circuit are protected
Backplate, thermocouple, sampling line, order wire 4 and power line, described battery carrier 3 is used for fixing battery core, and the battery core in the present embodiment is
LiFePO4 battery core, cobalt acid lithium cell, ternary lithium cell or polymer lithium battery core, described battery core is connected as battery by power line
Group, the positive pole of set of cells causes the positive terminal 21 of described set of cells by power line, the negative pole of set of cells by power line with
Diverter one pole connects, and another pole of diverter causes the negative terminal 22 of battery bag by wire, and described battery circuit is protected
Plate is connected with battery core, diverter and thermocouple by sampling line, is responsible for monitoring battery core and the voltage of diverter and temperature, and leads to
Cross order wire 4 collection data to be reached outside battery bag.
Battery carrier 3 in the present embodiment be provided with circular void and or star space, the material of battery carrier 3 is one-dimensional carbon
Fibre modification flame-retardant high-molecular composite, the most one-dimensional carbon fiber 31 is the asphalt-based carbon fiber of surface activation process, one-dimensional carbon
Fiber stretch orientation is consistent.The matrix 32 of polymer composite is epoxy resin or flame-proof ABS.
The material of the housing 2 in the present embodiment is fire retardation PC alloy and/or flame-proof ABS alloy, and housing 2 top is provided with
Groove, groove bottom has hinge to link.
Battery carrier 3 in the present embodiment is provided with space, and the arragement direction in described space is identical with carbon fiber direction of extension.
The work process of the lithium battery bag that this utility model embodiment provides is: charging and discharging lithium battery process can produce heat
Amount, owing to the thermal conductivity of the matrix 32 of polymer composite is little, the axial thermal conductivity of fibre reinforced phase 31 is big, therefore lithium electricity
The heat that pond produces axially can flow out outside batteries through battery case by the carbon fiber 31 within battery carrier 3, and radially flows
Relatively difficult, and due to the existence in star space, between battery core, the mutual flow phenomenon of heat weakens further, it is to avoid because of heat
The potential safety hazard that amount accumulation brings, meanwhile, once certain battery core is burnt because of thermal runaway and is even exploded, and has the battery carrier of anti-flammability
3 and can weaken the impact that other lithium battery is caused by explosive expansions in the very first time by fray-out of flame, it is ensured that set of cells other
The safe operation of part, reduces, with this, the harm that battery explosion brings.The groove of housing cove 1 can rise when battery bag is paddled
To waterproof action, and when battery bag internal temperature rises, hot-air can be got rid of outside bag by groove.
Above a kind of battery bag provided by the utility model is described in detail, and in conjunction with specific embodiments to this
Utility model is expanded on further, it must be pointed out that, the explanation of above example is not used in restriction and is only intended to help to understand
Core concept of the present utility model, for those skilled in the art, without departing from this utility model principle
On the premise of, any improvement that this utility model is carried out and the replacement scheme being equal to this product, fall within this practicality new
In type scope of the claims.
Claims (9)
1. a lithium battery bag, including housing cove (1), housing (2), battery carrier (3), diverter, battery circuit protection board, warm
Galvanic couple, sampling line, order wire (4) and power line, it is characterised in that described battery carrier (3) is used for fixing battery core, and described battery core is led to
Crossing power line and be connected as set of cells, the positive pole of described set of cells causes the positive terminal (21) of described battery bag by power line,
The negative pole of described set of cells is connected with diverter one pole by power line, and another pole of described diverter causes electricity by power line
The negative terminal (22) of Chi Bao, described battery circuit protection board is connected with battery core, diverter and thermocouple by sampling line, negative
Duty monitors battery core and the voltage of diverter and temperature, and collection data is reached outside battery bag by order wire (4).
Lithium battery bag the most according to claim 1, it is characterised in that described battery core is LiFePO4 battery core, cobalt acid lithium electricity
One in core, ternary lithium cell and polymer lithium battery core.
Lithium battery bag the most according to claim 1, it is characterised in that described battery carrier (3) is that one-dimensional carbon fiber modifying is fire-retardant
Polymer composite.
Lithium battery bag the most according to claim 3, it is characterised in that described one-dimensional carbon fiber (31) is surface activation process
Asphalt-based carbon fiber.
Lithium battery bag the most according to claim 3, it is characterised in that the matrix (32) of described polymer composite is fire-retardant
Epoxy resin or Flame-retardant acrylonitrile-butadiplasticrene copolymer (ABS).
Lithium battery bag the most according to claim 1, it is characterised in that described housing cove (1) is fire retardation PC and/or fire-retardant
ABS。
Lithium battery bag the most according to claim 3, it is characterised in that it is consistent that described one-dimensional carbon fiber stretches orientation.
Lithium battery bag the most according to claim 1, it is characterised in that described battery carrier (3) be provided with circular void and or star
Shape space, the arragement direction in space is identical with carbon fiber (31) direction of extension.
Lithium battery bag the most according to claim 1, it is characterised in that described housing cove (1) top is provided with water-resistant
The groove structure of wind.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620251868.3U CN205810892U (en) | 2016-03-29 | 2016-03-29 | A kind of lithium battery bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620251868.3U CN205810892U (en) | 2016-03-29 | 2016-03-29 | A kind of lithium battery bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205810892U true CN205810892U (en) | 2016-12-14 |
Family
ID=58143648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620251868.3U Active CN205810892U (en) | 2016-03-29 | 2016-03-29 | A kind of lithium battery bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205810892U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702894A (en) * | 2016-03-29 | 2016-06-22 | 赵紫州 | Lithium battery pack |
| CN111864139A (en) * | 2020-07-24 | 2020-10-30 | 苏州华骞时代新能源科技有限公司 | Heat release guiding mechanism for lithium battery pack after thermal runaway |
| US11482753B2 (en) | 2017-09-01 | 2022-10-25 | Maersk Drilling A/S | Fire-resistant energy storage devices and associated systems and methods |
| CN115458857A (en) * | 2021-06-09 | 2022-12-09 | 太普动力新能源(常熟)股份有限公司 | Battery module |
-
2016
- 2016-03-29 CN CN201620251868.3U patent/CN205810892U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702894A (en) * | 2016-03-29 | 2016-06-22 | 赵紫州 | Lithium battery pack |
| US11482753B2 (en) | 2017-09-01 | 2022-10-25 | Maersk Drilling A/S | Fire-resistant energy storage devices and associated systems and methods |
| CN111864139A (en) * | 2020-07-24 | 2020-10-30 | 苏州华骞时代新能源科技有限公司 | Heat release guiding mechanism for lithium battery pack after thermal runaway |
| CN115458857A (en) * | 2021-06-09 | 2022-12-09 | 太普动力新能源(常熟)股份有限公司 | Battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240710 Address after: Building 221, Building 5, Qianhai Youth Dream Factory, Nanshan Street, Qianhai Shenzhen Hong Kong Cooperation Zone, Shenzhen, Guangdong Province, 518054 Patentee after: SHENZHEN WEIAI INTELLIGENT TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 518052 the five floor of the Youth Activity Center, No. 42 Zhongshan West Street, Nanshan District, Shenzhen, Guangdong, ISPACE incubator, Tsinghua University Patentee before: Zhao Zizhou Country or region before: China |