CN207637935U - A kind of flame retardant type lithium cell core - Google Patents

A kind of flame retardant type lithium cell core Download PDF

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Publication number
CN207637935U
CN207637935U CN201820031386.6U CN201820031386U CN207637935U CN 207637935 U CN207637935 U CN 207637935U CN 201820031386 U CN201820031386 U CN 201820031386U CN 207637935 U CN207637935 U CN 207637935U
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CN
China
Prior art keywords
battery core
fire retardant
retardant
lithium cell
type lithium
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Active
Application number
CN201820031386.6U
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Chinese (zh)
Inventor
刘卫
葛磊
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Anhui Zhongke Zhonghuan Intelligent Equipment Co ltd
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Anhui Branch Of Defense Technology Co Ltd Huan
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Priority to CN201820031386.6U priority Critical patent/CN207637935U/en
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    • 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 utility model discloses a kind of flame retardant type lithium cell core, including battery core shell, positive and negative anodes, relief valve and fire retardant, positive and negative anodes are installed on the battery core shell, battery core enclosure interior is equipped with relief valve and fire retardant;Fire retardant is packaged by being placed in battery core near relief valve by dedicated encapsulating material, and encapsulating material is at a certain temperature(100 DEG C or more), can melt, release fire retardant rapidly, effectively play fire-retardant effect, prevent electrolyte from further reacting, ensure battery core safety.Simultaneously by the optimization of structure, effectively avoid fire retardant that battery core performance can be caused to decline;By using special composite flame-retardant agent, utilize the compound additive for stablizing sex flame retardant and stability, pass through the synergistic effect of chemical reagent, so that fire retardant performance increases, it can be used under complex environment, prevent the reaction of various chemical reagent, pass through special structure design, the generation of battery core thermal runaway is effectively prevented, while avoiding reducing the performance of battery core.

Description

A kind of flame retardant type lithium cell core
Technical field
The utility model is related to lithium cell core field of fire-proof technology more particularly to a kind of flame retardant type lithium cell cores.
Background technology
Battery core is the chief component of new energy dynamic lithium battery, and lithium battery group is by multiple battery cores by going here and there and connecting Mode is attached, and forms the lithium battery group of required voltage range.Since electrolyte properties are active in battery core, battery core it is heated, The problems such as will produce thermal runaway is impacted, punctured, overcharging etc. under the influence of factors, or even is exploded, safety is seriously affected.Current Lithium battery electric core is mainly protected by electric-control system, for example, by overcharging, the means such as over-discharge protection circuit, part solves The safety issue for battery core of having determined, still, the thermal runaway caused by the problems such as battery core is because of internal short-circuit, fever can not be by current Method solve, it is therefore desirable to a kind of safer battery core solution.
Utility model content
The utility model technical issues that need to address be to provide it is a kind of solving the problems, such as that lithium cell core is fire-retardant, solve babinet Thermal runaway combustion problem under various factors solves the problems, such as battery core safety using composite flame-retardant agent.
To achieve the above object, the utility model provides the following technical solutions:
A kind of flame retardant type lithium cell core, including battery core shell, positive and negative anodes, relief valve and fire retardant, on the battery core shell Positive and negative anodes are installed, battery core enclosure interior is equipped with relief valve and fire retardant.
As further program of the utility model:The positive and negative anodes are mounted on battery core case top, and positive and negative anodes are by anode It is formed with cathode.
As further program of the utility model:The fire retardant is arranged on the outside of relief valve.
As further program of the utility model:The fire retardant uses composite fire retardant.
As further program of the utility model:The fire retardant is packaged by encapsulating material, and encapsulating material exists 100 DEG C or more melt, and release fire retardant.
Compared with prior art, the utility model has the beneficial effects that:A kind of flame retardant type lithium cell core, fire retardant It by being placed in battery core near relief valve, is packaged by dedicated encapsulating material, encapsulating material is at a certain temperature (100 DEG C or more), can melt, release fire retardant rapidly, effectively play fire-retardant effect, prevent electrolyte from further reacting, protect Hinder battery core safety.Simultaneously by the optimization of structure, effectively avoid fire retardant that battery core performance can be caused to decline.
It has the following advantages that:
1, a kind of flame retardant type lithium cell core of the utility model realize lithium cell core when thermal runaway occurs electrolyte it is fire-retardant Effect;
2, when a kind of flame retardant type lithium cell core of the utility model solves battery core thermal runaway, it is even quick-fried that thermal decomposition occurs for electrolyte Fried problem;
3, special composite flame-retardant agent is used inside a kind of flame retardant type lithium cell core of the utility model, solves conventional flame retardant For will produce side reaction in battery core, battery core performance is led to problems such as to decline.
To sum up, by special structure design, the generation of battery core thermal runaway is effectively prevented, while avoiding reducing the property of battery core Energy.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure:1- battery cores shell, 2- positive and negative anodes, 3- relief valves, 4- fire retardants.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, in the utility model embodiment, a kind of flame retardant type lithium cell core, including battery core shell 1, positive and negative anodes 2, relief valve 3 and fire retardant 4, positive and negative anodes 2 are equipped on the battery core shell 1, and positive and negative anodes 2 are arranged by 1 top of battery core shell Anode and cathode composition, battery core shell 1 are internally provided with relief valve 3 and fire retardant 4, and the setting of fire retardant 4 is in 3 outside of relief valve.
The fire retardant 4 uses composite fire retardant, and fire retardant uses high stability, and the high ingredient of chemical resistance is It is main, stabilizer and composite flame-retardant agent are added wherein, and by the synergistic effect of chemical reagent, the fire retardant performance for being increases Add, can be used under complex environment, prevent the reaction of various chemical reagent.
The fire retardant 4 is placed in battery core near relief valve 3 by special structure design, passes through dedicated encapsulation Material is packaged, and encapsulating material is at a certain temperature(100 DEG C or more), can melt, release fire retardant rapidly, effectively play resistance The effect of combustion, prevents electrolyte from further reacting, and ensures battery core safety.Simultaneously by the optimization of structure, fire retardant is effectively avoided Battery core performance can be caused to decline.
A kind of flame retardant type lithium cell core of the utility model obviously has the following advantages that:
1, a kind of flame retardant type lithium cell core of the utility model realize lithium cell core when thermal runaway occurs electrolyte it is fire-retardant Effect;
2, when a kind of flame retardant type lithium cell core of the utility model solves battery core thermal runaway, it is even quick-fried that thermal decomposition occurs for electrolyte Fried problem;
3, special composite flame-retardant agent is used inside a kind of flame retardant type lithium cell core of the utility model, solves conventional flame retardant For will produce side reaction in battery core, battery core performance is led to problems such as to decline.
To sum up, a kind of flame retardant type lithium cell core of the utility model utilizes stability by using special composite flame-retardant agent The compound additive of fire retardant and stability passes through the synergistic effect of chemical reagent so that fire retardant performance increases, can Under complex environment, the reaction of various chemical reagent is prevented.By special structure design, battery core thermal runaway is effectively prevented Occur, while avoiding reducing the performance of battery core.
The utility model is not limited to above-described embodiment, on the basis of technical solution disclosed by the utility model, this For the technical staff in field according to disclosed technology contents, not needing performing creative labour can be special to some of which technology Sign makes some simple modification, equivalent change and modifications, is all within the scope of the technical scheme of the utility model.

Claims (5)

1. a kind of flame retardant type lithium cell core, including battery core shell (1), positive and negative anodes (2), relief valve (3) and fire retardant (4), special Sign is, positive and negative anodes (2) are equipped on the battery core shell (1), and battery core shell (1) is internally provided with relief valve (3) and fire retardant (4)。
2. a kind of flame retardant type lithium cell core according to claim 1, which is characterized in that the positive and negative anodes (2) are mounted on electricity At the top of core shell body (1), positive and negative anodes (2) are made of anode and cathode.
3. a kind of flame retardant type lithium cell core according to claim 2, which is characterized in that fire retardant (4) setting is being let out On the outside of pressure valve (3).
4. a kind of flame retardant type lithium cell core according to claim 3, which is characterized in that the fire retardant (4) uses compound Type fire retardant.
5. a kind of flame retardant type lithium cell core according to claim 4, which is characterized in that the fire retardant (4) passes through encapsulation Material is packaged, and encapsulating material melts at 100 DEG C or more, releases fire retardant.
CN201820031386.6U 2018-01-09 2018-01-09 A kind of flame retardant type lithium cell core Active CN207637935U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820031386.6U CN207637935U (en) 2018-01-09 2018-01-09 A kind of flame retardant type lithium cell core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820031386.6U CN207637935U (en) 2018-01-09 2018-01-09 A kind of flame retardant type lithium cell core

Publications (1)

Publication Number Publication Date
CN207637935U true CN207637935U (en) 2018-07-20

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Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020133751A1 (en) * 2018-12-28 2020-07-02 宁德时代新能源科技股份有限公司 Battery module
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
CN113488729A (en) * 2020-07-31 2021-10-08 惠州市合盈科技有限公司 Lithium battery with flame retardant effect

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020133751A1 (en) * 2018-12-28 2020-07-02 宁德时代新能源科技股份有限公司 Battery module
CN111384324A (en) * 2018-12-28 2020-07-07 宁德时代新能源科技股份有限公司 Battery module
US11335969B2 (en) 2018-12-28 2022-05-17 Contemporary Amperex Technology Co., Limited Battery module
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
CN113488729A (en) * 2020-07-31 2021-10-08 惠州市合盈科技有限公司 Lithium battery with flame retardant effect

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Fire -retardant type lithium battery cell

Effective date of registration: 20191217

Granted publication date: 20180720

Pledgee: Hefei high tech Company limited by guarantee

Pledgor: ANHUI CAS-ZHONGHUAN DEFENSE EQUIPMENT TECHNOLOGY CO.,LTD.

Registration number: Y2019980001077

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20220530

Granted publication date: 20180720

Pledgee: Hefei high tech Company limited by guarantee

Pledgor: ANHUI CAS-ZHONGHUAN DEFENSE EQUIPMENT TECHNOLOGY CO.,LTD.

Registration number: Y2019980001077

PC01 Cancellation of the registration of the contract for pledge of patent right
CP03 Change of name, title or address

Address after: No. 7, Shinan Road, Baiyan Science Park, High-tech Zone, Hefei City, Anhui Province, 230000

Patentee after: Anhui Zhongke Zhonghuan Intelligent Equipment Co.,Ltd.

Address before: Room 907-911, F3 building, phase II, innovation industrial park, 2800 innovation Avenue, high tech Zone, Hefei, Anhui 230000

Patentee before: ANHUI CAS-ZHONGHUAN DEFENSE EQUIPMENT TECHNOLOGY CO.,LTD.

CP03 Change of name, title or address