CN208955082U - A kind of negative pressure chemical conversion lithium ion battery - Google Patents
A kind of negative pressure chemical conversion lithium ion battery Download PDFInfo
- 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
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- 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
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Classifications
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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
-
- 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
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- 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
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.
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 |
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CN208955082U true CN208955082U (en) | 2019-06-07 |
Family
ID=66735636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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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 |
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CN (1) | CN208955082U (en) |
Cited By (1)
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 |
-
2018
- 2018-08-24 CN CN201821372242.3U patent/CN208955082U/en not_active Expired - Fee Related
Cited By (2)
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 |
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Legal Events
Date | Code | Title | Description |
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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 |
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CF01 | Termination of patent right due to non-payment of annual fee |