CN208955082U - A kind of negative pressure chemical conversion lithium ion battery - Google Patents

A kind of negative pressure chemical conversion lithium ion battery Download PDF

Info

Publication number
CN208955082U
CN208955082U CN201821372242.3U CN201821372242U CN208955082U CN 208955082 U CN208955082 U CN 208955082U CN 201821372242 U CN201821372242 U CN 201821372242U CN 208955082 U CN208955082 U CN 208955082U
Authority
CN
China
Prior art keywords
reaction plate
lithium ion
ion battery
cover board
melted
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.)
Expired - Fee Related
Application number
CN201821372242.3U
Other languages
Chinese (zh)
Inventor
周义平
蔡胜华
李时新
周志丹
泮娟娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Lithium Amperex Technology Ltd
Original Assignee
Zhejiang Lithium Amperex Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Lithium Amperex Technology Ltd filed Critical Zhejiang Lithium Amperex Technology Ltd
Priority to CN201821372242.3U priority Critical patent/CN208955082U/en
Application granted granted Critical
Publication of CN208955082U publication Critical patent/CN208955082U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • Gas Exhaust Devices For Batteries (AREA)
  • Secondary Cells (AREA)

Abstract

The utility model discloses a kind of negative pressure to be melted into lithium ion battery, including outer shell set;The outer shell covers internal upper and lower side and is respectively equipped with " work " word cover board, two sides are each provided with a pair of positive reaction plate and negative reaction plate inside cover board, and positive and negative anodes reaction plate inner surface runs through " work " word cover board center transverse slat connecting stud terminal by pole piece;Ion diaphragm is provided between the positive reaction plate and negative reaction plate, and three is wrapped up in by outer ring ring layer fixed packet;There are explosion-proof pressure chambers between the outer ring ring layer and outer shell set;The utility model negative pressure is melted into lithium ion battery and passes through explosion-proof pressure chamber, the macromolecule polypropylene membrane layer of relief valve and oxygen uptake base micro-hole, it can be effectively reduced the content of oxygen in battery, oxygen penetration is greatly reduced every the probability that oxidation reaction occurs, to effectively avoid battery caused by heat release from thermally expanding, improve the safety of battery, it is designed rationally, and structure process is simple, is suitble to be widely popularized.

Description

A kind of negative pressure chemical conversion lithium ion battery
Technical field
The utility model relates to a kind of lithium ion batteries more particularly to a kind of negative pressure to be melted into lithium ion battery;Belong to electronics Electric field.
Background technique
Lithium ion battery: being a kind of secondary rechargeable battery, and it is mobile next between a positive electrode and a negative electrode that it relies primarily on lithium ion Work.In charge and discharge process, lithium ion insertion and deintercalation back and forth between two electrodes: when charging, lithium ion is de- from anode It is embedding, it is embedded in cathode by electrolyte, cathode is in lithium-rich state;It is then opposite when electric discharge;Its battery energy density is big, average defeated Voltage is high out, recyclable superior performance, can be quickly charged and discharged, long service life, without poisonous and harmful substance the advantages that it is extensive It uses, the excessively dependence with people to electronic product, leads to the frequent use of its lithium battery, be current institute in terms of safety Research is considered emphatically.
Summary of the invention
(1) technical problems to be solved
A kind of negative pressure that in order to solve the above problems, the utility model proposes is melted into lithium ion battery.
(2) technical solution
The negative pressure of the utility model is melted into lithium ion battery, including outer shell set;The outer shell covers internal upper and lower side " work " word cover board is respectively installed, two sides are each provided with a pair of positive reaction plate and negative reaction plate, and positive and negative anodes inside cover board Reaction plate inner surface runs through " work " word cover board center transverse slat connecting stud terminal by pole piece;The positive reaction plate and negative Ion diaphragm is provided between the reaction plate of pole, and three is wrapped up in by outer ring ring layer fixed packet;The outer ring ring layer and outer shell There are explosion-proof pressure chambers between set.
Further, outer shell set and " work " word cover plate materials are aluminum plastic film steel.
Further, the external toroidal ring layer material is epoxy resin, and internal be added has fiberglass reinforcement material.
Further, the ion diaphragm is macromolecule polypropylene film, and it is micro- that thin-film surface is provided with oxygen uptake base Type hole.
Further, the described anode reaction plate material is active material LiMn2O4, cobalt acid lithium or nickle cobalt lithium manganate etc., Negative reaction plate is graphene carbon, and several layers copper foil is provided with inside the two.
Further, the explosion-proof pressure chamber passes through relief valve control above " work " word cover board.
Further, insulated plastic glue-line is provided with below the transverse slat of the pole piece perforative " work " word cover board center.
(3) beneficial effect
Compared with the prior art, the utility model has the following beneficial effects: the negative pressure of the utility model is melted into lithium Ion battery can be effectively reduced by explosion-proof pressure chamber, the macromolecule polypropylene membrane layer of relief valve and oxygen uptake base micro-hole The content of oxygen in battery greatly reduces oxygen penetration every the probability that oxidation reaction occurs, to effectively heat release be avoided to be drawn The battery thermal expansion risen improves the safety of battery, and rationally, structure process is simple, is suitble to be widely popularized for design.
Detailed description of the invention
Fig. 1 is the axis geodesic structure schematic diagram of the utility model.
Fig. 2 is the schematic view of the front view of the utility model.
1- outer shell set;2- anode reaction plate;3- negative reaction plate;4- outer ring ring layer;5- ion diaphragm;6- stud end Son;7- " work " word cover board;8- explosion-proof pressure chamber;9- relief valve;10- pole piece.
Specific embodiment
A kind of negative pressure is melted into lithium ion battery, including outer shell set 1 as shown in drawings;Inside the outer shell set 1 Upper and lower side is respectively equipped with " work " word cover board 7, and two sides are each provided with a pair of positive reaction plate 2 and negative reaction plate 3 inside cover board, And positive and negative anodes reaction plate inner surface runs through the central transverse slat connecting stud terminal 6 of " work " word cover board 7 by pole piece 10;It is described just Ion diaphragm 5 is provided between pole reaction plate 2 and negative reaction plate 3, and three passes through the fixed package of outer ring ring layer 4;Described There are explosion-proof pressure chambers 8 between outer ring ring layer 4 and outer shell set 1.
Wherein, outer shell set 1 and 7 material of " work " word cover board are aluminum plastic film steel;4 material of outer ring ring layer is Epoxy resin, internal be added have fiberglass reinforcement material;The ion diaphragm 5 is macromolecule polypropylene film, thin Film surface is provided with oxygen uptake base micro-hole;2 material of positive reaction plate is active material LiMn2O4, cobalt acid lithium or nickel cobalt LiMn2O4 etc., negative reaction plate 3 is graphene carbon, and several layers copper foil is provided with inside the two;The explosion-proof pressure Chamber 8 is controlled by 7 top relief valve 9 of " work " word cover board;It is set below the central transverse slat of perforative " work " the word cover board 7 of the pole piece 10 It is equipped with insulated plastic glue-line.
The negative pressure of the utility model is melted into lithium ion battery, passes through explosion-proof pressure chamber, relief valve and oxygen uptake base micro-hole Macromolecule polypropylene membrane layer can be effectively reduced the content of oxygen in battery, greatly reduce oxygen penetration every aoxidizing The probability of reaction improves the safety of battery so that battery caused by heat release effectively be avoided to thermally expand, and design is reasonable, Structure process is simple, is suitble to be widely popularized.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel conception and scope is defined.Without departing from the design concept of the present utility model, ordinary people in the field couple The all variations and modifications that the technical solution of the utility model is made, should fall within the protection scope of the present utility model, this reality With novel claimed technology contents, it is all described in the claims.

Claims (7)

1. a kind of negative pressure is melted into lithium ion battery, it is characterised in that: including outer shell set (1);The outer shell set (1) is internal Upper and lower side is respectively equipped with " work " word cover board (7), and two sides are each provided with a pair of positive reaction plate (2) and negative reaction inside cover board Plate (3), and positive and negative anodes reaction plate inner surface runs through the central transverse slat connecting stud terminal of " work " word cover board (7) by pole piece (10) (6);Ion diaphragm (5) are provided between the positive reaction plate (2) and negative reaction plate (3), and three passes through external toroidal ring The fixed package of layer (4);There are explosion-proof pressure chamber (8) between the outer ring ring layer (4) and outer shell set (1).
2. negative pressure according to claim 1 is melted into lithium ion battery, it is characterised in that: the outer shell set (1) and " work " word cover board (7) material is aluminum plastic film steel.
3. negative pressure according to claim 1 is melted into lithium ion battery, it is characterised in that: described outer ring ring layer (4) material For epoxy resin, internal be added has fiberglass reinforcement material.
4. negative pressure according to claim 1 is melted into lithium ion battery, it is characterised in that: the ion diaphragm (5) is height Molecular polypropylene film, thin-film surface are provided with oxygen uptake base micro-hole.
5. negative pressure according to claim 1 is melted into lithium ion battery, it is characterised in that: described positive reaction plate (2) material Material is active material LiMn2O4, cobalt acid lithium or nickle cobalt lithium manganate etc., and negative reaction plate (3) is graphene carbon, and inside the two It is provided with several layers copper foil.
6. negative pressure according to claim 1 is melted into lithium ion battery, it is characterised in that: the explosion-proof pressure chamber (8) is logical Relief valve (9) above " work " word cover board (7) is crossed to control.
7. negative pressure according to claim 1 is melted into lithium ion battery, it is characterised in that: the pole piece (10) is perforative Insulated plastic glue-line is provided with below the transverse slat of " work " word cover board (7) center.
CN201821372242.3U 2018-08-24 2018-08-24 A kind of negative pressure chemical conversion lithium ion battery Expired - Fee Related CN208955082U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821372242.3U CN208955082U (en) 2018-08-24 2018-08-24 A kind of negative pressure chemical conversion lithium ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821372242.3U CN208955082U (en) 2018-08-24 2018-08-24 A kind of negative pressure chemical conversion lithium ion battery

Publications (1)

Publication Number Publication Date
CN208955082U true CN208955082U (en) 2019-06-07

Family

ID=66735636

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821372242.3U Expired - Fee Related CN208955082U (en) 2018-08-24 2018-08-24 A kind of negative pressure chemical conversion lithium ion battery

Country Status (1)

Country Link
CN (1) CN208955082U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113871687A (en) * 2021-09-26 2021-12-31 蜂巢能源科技有限公司 Low-gas-production battery and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113871687A (en) * 2021-09-26 2021-12-31 蜂巢能源科技有限公司 Low-gas-production battery and preparation method thereof
CN113871687B (en) * 2021-09-26 2023-01-24 蜂巢能源科技有限公司 Low-gas-production battery and preparation method thereof

Similar Documents

Publication Publication Date Title
CN103843170A (en) Electrode assembly and secondary battery using same
CN201887121U (en) Inhomogeneous electrolyte lead-acid storage battery
CN109768337A (en) The chargeable button-shaped soft bag lithium ionic cell of one kind and processing method
CN107342395A (en) Lithium coin cells with multilayer steel loop or steel mesh
CN202150519U (en) Lithium ion secondary battery without polar ears
CN208955082U (en) A kind of negative pressure chemical conversion lithium ion battery
CN209981391U (en) High-capacity cylindrical battery
CN105552275A (en) Button type rechargeable lithium ion battery
CN102881918A (en) Method for manufacturing large-capacity disposable lithium battery
CN202308207U (en) Multi-pole-piece winding-type cell and square flexible-package lithium battery
CN111463366B (en) Casing and power battery
CN209282328U (en) A kind of chargeable button-shaped soft bag lithium ionic cell
CN207398244U (en) The cathode gasket of cylindrical lithium ion battery
CN216133880U (en) Insulating frame and lithium metal battery comprising same
CN201181715Y (en) Housing and inner part connection structure of lead accumulator
KR20120066916A (en) Secondary battery of excellent productability and safety
CN106299553B (en) A kind of lithium ion battery and preparation method thereof
CN201408807Y (en) Dual-lug winding-type lead-acid accumulator controlled by sealing valve
CN201877491U (en) Novel high-capacity lithium ion battery
CN205790144U (en) A kind of cylinder type lithium battery
CN211555984U (en) Ultra-thin button cell
CN209461572U (en) A kind of graphene battery
CN202058814U (en) Circular lithium ion battery
CN207705346U (en) A kind of low self-discharge Ni-MH battery
CN202395108U (en) Lithium iron phosphate large-capacity battery

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190607

Termination date: 20200824

CF01 Termination of patent right due to non-payment of annual fee