CN109786613A - A kind of battery case preventing thermal runaway - Google Patents
A kind of battery case preventing thermal runaway Download PDFInfo
- Publication number
- CN109786613A CN109786613A CN201910153196.0A CN201910153196A CN109786613A CN 109786613 A CN109786613 A CN 109786613A CN 201910153196 A CN201910153196 A CN 201910153196A CN 109786613 A CN109786613 A CN 109786613A
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- Prior art keywords
- battery case
- partition
- fire
- retardant
- fire retardant
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- 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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- Cell Separators (AREA)
Abstract
The invention discloses a kind of battery cases for preventing thermal runaway, belong to cell safety protection field.Battery case of the present invention includes: cabinet, and the bottom of box installs concave card slot；Support frame, support frame as described above are installed on box house by the concave card slot of the cabinet, and support frame as described above is equipped with through-hole；Partition, the partition are installed on box house surrounding by the concave card slot of the cabinet, and the partition is equipped with through-hole, and the partition is added with fire proofing and heat-absorbing material；Battery cell mould group, the battery cell mould group are installed on box house, and the battery cell mould group includes multiple monocells, are separated between every adjacent two rows of monocells by support frame as described above.Battery box structure of the present invention is simple, and space utilization rate is high, and cost is relatively low, has a safety feature, and realization rate is simple, is applicable in and promotes and applies.
Description
Technical field
The present invention relates to cell safeties to protect field, and more particularly, to a kind of battery case for preventing thermal runaway.
Background technique
Lithium ion battery has many advantages, such as that specific capacity is big, operating voltage is high, has extended cycle life, is small in size, is light-weight, application
In more scene.In electric car and energy-storage system, the power battery of power supply requires biggish capacity and voltage, needs
Multiple single batteries are installed in battery case, battery pack is formed by series and parallel to reach the requirement of power source.In battery case
Multiple batteries work when generate a large amount of heat, in case of the egregious cases such as short circuit also occur that explosion.How quick conductive and
The burning for preventing battery is that battery case is primarily solved the problems, such as using needs.
Current battery case mostly uses multiple duct, radiate pore structure more, but such design is only to normal battery operation
Heat dissipation have good effect, not can solve caused by battery unit steeply rises because of heat thermal runaway risk and potential explosion prestige
When the side of body.It proposes a kind of thermal runaway safeguard procedures for lithium battery mould group, partition is placed between battery, partition is by fire proofing system
At adding heat-absorbing material in fire proofing, quickly absorb cell heat, reduce thermal runaway risk.
Summary of the invention
It is an object of the invention to realize heat-insulated and heat dissipation by partition to battery case, while passing through fire proofing and heat absorption
The mixing of material, realization is fire-retardant, prevents the thermal runaway of battery case, and proposes a kind of battery case for preventing thermal runaway, battery case
Include:
Cabinet, the bottom of box install concave card slot；
Support frame, support frame as described above are installed on box house by the concave card slot of the cabinet, and support frame as described above is equipped with
Through-hole；
Partition, the partition are installed on box house surrounding by the concave card slot of the cabinet, and the partition is equipped with logical
Hole, the partition are added with fire proofing and heat-absorbing material；
Battery cell mould group, the battery cell mould group are installed on box house, and the battery cell mould group includes multiple
Monocell is often separated between adjacent two rows of monocells by support frame as described above.
Optionally, it is adjacent with support frame can be installed on box house by bottom of box concave card slot for partition.
Optionally, partition is the flat heat-absorbing plate core of built-in corrugated shape runner, the heat-absorbing plate core be with a thickness of 0.5~
The stainless steel of 2mm or the metal plate of aluminium.
Optionally, fire proofing includes: phosphorus type flame retardant, brominated flame retardant, nitrogen based flame retardant, silicon-based flame retardant, boric acid
Zinc flame retardant, flame retardant of magnesium hydroxide, aluminium hydroxide fire retardant, antimony oxide fire retardant, magnesia fire retardant, unsaturated tree
Rouge fire retardant, silicon rubber flame-retardant agent, polyamide fire retardant, PE fire retardant, PP fire retardant, PVC flame retardant, wood fire retardant, paper
Combustion inhibitor special, CPE fire retardant, fabric coating adhesive fire retardant, carpet back-adhesive fire retardant, water paint fire retardant, oiliness is opened to apply
Material flame-retardant, powdery paints fire retardant, various ink fire retardants and heat stabilizer.
Optionally, heat-absorbing material is combined and is prepared by the phase-change material of high energy storage density and the material of high thermal conductivity.
Optionally, phase-change material is inorganic phase-changing material or organic phase change material, and inorganic phase-changing material includes: crystalline hydrate
Salt, fuse salt and metal alloy, organic phase change material include: paraffin, carboxylic acid and polyalcohol.
Optionally, Heat Conduction Material is graphene or silica gel.
Optionally, tank material is aluminum board.
Optionally, the range of the mass ratio of fire proofing and heat-absorbing material is 1:1~10:1.
Optionally, the diameter range of through-hole be 1mm~50mm, number of openings range be 1~100, via area be every
The 10~80% of plate or support frame area.
Battery box structure of the present invention is simple, and space utilization rate is high, and cost is relatively low, has a safety feature.By in outside batteries
Partition and addition fire proofing, heat-absorbing material are set, can effectively prevent isolation, heat-insulated, fire-retardant, prevent thermal runaway and battery quick-fried
It is fried, to avoid the generation of accident.The insertion of partition can effectively insulate heat, and the addition of fire proofing and heat-absorbing material can effectively reduce
Thermal runaway risk.
Battery case of the present invention is safe to use, and realization rate is simple, is applicable in and promotes and applies.
Detailed description of the invention
Fig. 1 is a kind of battery case structure chart for preventing thermal runaway of the present invention；
Wherein, 1- cabinet, 2- battery cell mould group, 3 support frames, 301- through-hole and 103 partitions.
Specific embodiment
Exemplary embodiments of the present invention are introduced referring now to the drawings, however, the present invention can use many different shapes
Formula is implemented, and is not limited to the embodiment described herein, and to provide these embodiments be at large and fully disclose
The present invention, and the scope of the present invention is sufficiently conveyed to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon note.
Unless otherwise indicated, term (including scientific and technical terminology) used herein has person of ordinary skill in the field
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The context of related fields has consistent meaning, and is not construed as Utopian or too formal meaning.
The present invention provides a kind of battery case for preventing thermal runaway, as shown in Figure 1, battery case includes:
Concave card slot is installed in cabinet 1,1 bottom of cabinet, and 1 material of cabinet is aluminum board；
Battery cell mould group 2, battery cell mould group 2 are installed on inside cabinet 1, and battery cell mould group 2 includes multiple single electricity
Pond is often separated between adjacent two rows of monocells by support frame 3；
Support frame 3, support frame 3 are installed on inside cabinet 1 by the concave card slot of cabinet 1, and support frame 3 is equipped with through-hole 301；
Partition 103, partition 103 are installed on 1 inside circumference of cabinet by the concave card slot of cabinet 1, and partition 103 is equipped with through-hole
301, partition 103 is added with fire proofing and heat-absorbing material；
The diameter range of through-hole is 1mm~50mm, and number of openings range is 1~100, and via area is partition or support
The 10~80% of frame area.
Wherein, it is adjacent with support frame 3 can be installed on 1 inside of cabinet by 1 Bottom concave card slot of cabinet for partition 103；
Partition 103 be built-in corrugated shape runner flat heat-absorbing plate core, heat-absorbing plate core be with a thickness of 0.5~2mm not
The metal plate of rust steel or aluminium；
Wherein, fire proofing includes: phosphorus type flame retardant, brominated flame retardant, nitrogen based flame retardant, silicon-based flame retardant, zinc borate
Fire retardant, flame retardant of magnesium hydroxide, aluminium hydroxide fire retardant, antimony oxide fire retardant, magnesia fire retardant, unsaturated-resin
Fire retardant, silicon rubber flame-retardant agent, polyamide fire retardant, PE fire retardant, PP fire retardant, PVC flame retardant, wood fire retardant, paper
Combustion inhibitor special, CPE fire retardant, fabric coating adhesive fire retardant, carpet back-adhesive fire retardant, water paint fire retardant, oil paint
Fire retardant, powdery paints fire retardant, various ink fire retardants and heat stabilizer.
Heat-absorbing material is combined and is prepared by the phase-change material of high energy storage density and the material of high thermal conductivity.
Phase-change material is inorganic phase-changing material or organic phase change material, and inorganic phase-changing material includes: crystalline hydrate salt, melting
Salt and metal alloy, organic phase change material include: paraffin, carboxylic acid and polyalcohol.
Heat Conduction Material is graphene or silica gel.
The range of the mass ratio of fire proofing and heat-absorbing material is 1:1~10:1.
Battery box structure of the present invention is simple, and space utilization rate is high, and cost is relatively low, has a safety feature.By in outside batteries
Partition and addition fire proofing, heat-absorbing material are set, can effectively prevent isolation, heat-insulated, fire-retardant, prevent thermal runaway and battery quick-fried
It is fried, to avoid the generation of accident.The insertion of partition can effectively insulate heat, and the addition of fire proofing and heat-absorbing material can effectively reduce
Thermal runaway risk.
Battery case of the present invention is safe to use, and realization rate is simple, is applicable in and promotes and applies.
Claims (10)
1. a kind of battery case for preventing thermal runaway, the battery case include:
Cabinet, the bottom of box install concave card slot；
Support frame, support frame as described above are installed on box house by the concave card slot of the cabinet, and support frame as described above is equipped with through-hole；
Partition, the partition are installed on box house surrounding by the concave card slot of the cabinet, and the partition is equipped with through-hole, institute
Partition is stated added with fire proofing and heat-absorbing material；
Battery cell mould group, the battery cell mould group are installed on box house, and the battery cell mould group includes multiple single electricity
Pond is often separated between adjacent two rows of monocells by support frame as described above.
2. battery case according to claim 1, the partition can be installed in cabinet by bottom of box concave card slot
Portion is adjacent with support frame.
3. battery case according to claim 1, the partition is the flat heat-absorbing plate core of built-in corrugated shape runner, institute
Stating heat-absorbing plate core is with a thickness of the stainless steel of 0.5~2mm or the metal plate of aluminium.
4. battery case according to claim 1, the fire proofing includes: phosphorus type flame retardant, brominated flame retardant, nitrogen class
Fire retardant, silicon-based flame retardant, zinc borate flame retardant, flame retardant of magnesium hydroxide, aluminium hydroxide fire retardant, antimony oxide are fire-retardant
Agent, magnesia fire retardant, unsaturated-resin fire retardant, silicon rubber flame-retardant agent, polyamide fire retardant, PE fire retardant, PP fire retardant,
PVC flame retardant, wood fire retardant, paper combustion inhibitor special, CPE fire retardant, fabric coating adhesive fire retardant, carpet back-adhesive are fire-retardant
Agent, water paint fire retardant, oil paint fire retardant, powdery paints fire retardant, various ink fire retardants and heat stabilizer.
5. battery case according to claim 1, the heat-absorbing material by high energy storage density phase-change material and high thermal conductivity
The material of performance is combined and is prepared.
6. battery case according to claim 1, the phase-change material is inorganic phase-changing material or organic phase change material, institute
The inorganic phase-changing material stated includes: crystalline hydrate salt, fuse salt and metal alloy, the organic phase change material include: paraffin,
Carboxylic acid and polyalcohol.
7. battery case according to claim 1, the Heat Conduction Material is graphene or silica gel.
8. battery case according to claim 1, the tank material is aluminum board.
9. the range of the mass ratio of battery case according to claim 1, the fire proofing and heat-absorbing material be 1:1~
10:1。
10. battery case according to claim 1, the diameter range of the through-hole is 1mm~50mm, number of openings range
It is 1~100, via area is the 10~80% of partition or support frame area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153196.0A CN109786613A (en) | 2019-02-28 | 2019-02-28 | A kind of battery case preventing thermal runaway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153196.0A CN109786613A (en) | 2019-02-28 | 2019-02-28 | A kind of battery case preventing thermal runaway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109786613A true CN109786613A (en) | 2019-05-21 |
Family
ID=66487285
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910153196.0A Pending CN109786613A (en) | 2019-02-28 | 2019-02-28 | A kind of battery case preventing thermal runaway |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110718655A (en) * | 2019-10-17 | 2020-01-21 | 林进弟 | Battery flame-retardant electric vehicle |
| WO2021068709A1 (en) * | 2019-10-10 | 2021-04-15 | 宁德时代新能源科技股份有限公司 | Fireproof member, battery pack, and device using batteries as power source |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742755A (en) * | 2016-04-08 | 2016-07-06 | 中国科学技术大学 | Composite plate for heat dissipation and thermal runaway propagation prevention of battery system |
| CN106098993A (en) * | 2016-07-26 | 2016-11-09 | 广东松湖动力技术有限公司 | A kind of battery case |
| CN106329027A (en) * | 2016-11-07 | 2017-01-11 | 天津力神特种电源科技股份公司 | High-safety lithium ion battery pack |
| CN106356588A (en) * | 2015-07-15 | 2017-01-25 | 广东万锦科技股份有限公司 | Preparation method of thermally conductive silica gel composite phase change material for battery thermal management system |
| CN206076457U (en) * | 2016-10-11 | 2017-04-05 | 喻泽 | A kind of novel battery box |
| CN107845742A (en) * | 2016-09-21 | 2018-03-27 | 宁德时代新能源科技股份有限公司 | Power battery and battery module thereof |
| CN108199112A (en) * | 2016-12-09 | 2018-06-22 | 航天特种材料及工艺技术研究所 | It is a kind of for thermal management module of rectangular cell and preparation method thereof and battery pack |
-
2019
- 2019-02-28 CN CN201910153196.0A patent/CN109786613A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356588A (en) * | 2015-07-15 | 2017-01-25 | 广东万锦科技股份有限公司 | Preparation method of thermally conductive silica gel composite phase change material for battery thermal management system |
| CN105742755A (en) * | 2016-04-08 | 2016-07-06 | 中国科学技术大学 | Composite plate for heat dissipation and thermal runaway propagation prevention of battery system |
| CN106098993A (en) * | 2016-07-26 | 2016-11-09 | 广东松湖动力技术有限公司 | A kind of battery case |
| CN107845742A (en) * | 2016-09-21 | 2018-03-27 | 宁德时代新能源科技股份有限公司 | Power battery and battery module thereof |
| CN206076457U (en) * | 2016-10-11 | 2017-04-05 | 喻泽 | A kind of novel battery box |
| CN106329027A (en) * | 2016-11-07 | 2017-01-11 | 天津力神特种电源科技股份公司 | High-safety lithium ion battery pack |
| CN108199112A (en) * | 2016-12-09 | 2018-06-22 | 航天特种材料及工艺技术研究所 | It is a kind of for thermal management module of rectangular cell and preparation method thereof and battery pack |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021068709A1 (en) * | 2019-10-10 | 2021-04-15 | 宁德时代新能源科技股份有限公司 | Fireproof member, battery pack, and device using batteries as power source |
| CN110718655A (en) * | 2019-10-17 | 2020-01-21 | 林进弟 | Battery flame-retardant electric vehicle |
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Application publication date: 20190521 |
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