CN207504119U - A kind of all-solid-state battery of high security - Google Patents
A kind of all-solid-state battery of high security Download PDFInfo
- Publication number
- CN207504119U CN207504119U CN201721466382.2U CN201721466382U CN207504119U CN 207504119 U CN207504119 U CN 207504119U CN 201721466382 U CN201721466382 U CN 201721466382U CN 207504119 U CN207504119 U CN 207504119U
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- CN
- China
- Prior art keywords
- negative
- solid
- material layer
- pole ear
- plate
- 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
Links
- 239000006183 anode active material Substances 0.000 claims abstract description 23
- 239000003792 electrolyte Substances 0.000 claims abstract description 11
- 238000009423 ventilation Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000007784 solid electrolyte Substances 0.000 abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- 229910001416 lithium ion Inorganic materials 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 239000011230 binding agent Substances 0.000 description 4
- 238000009831 deintercalation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000011149 active material Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011244 liquid electrolyte Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing 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
Landscapes
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of all-solid-state batteries of high security.The all-solid-state battery of the high security includes housing and is packaged in the battery core of the enclosure interior；Battery core includes the positive plate and negative plate for the setting that is superimposed with each other, and solid-state electrolyte layer is provided between positive plate and negative plate；Positive plate includes plus plate current-collecting body and the anode active material layer coated on plus plate current-collecting body surface, and plus plate current-collecting body is equipped with positive pole ear；Negative plate includes negative current collector and the anode active material layer coated on negative current collector surface, and negative current collector is equipped with negative lug, and positive pole ear and negative lug stretch out housing, and positive pole ear and negative lug shift to install；Anode active material layer and anode active material layer are close to solid-state electrolyte layer；Positive pole ear is isosceles trapezoidal structure.The utility model replaces original flammable electrolyte and diaphragm with non-ignitable solid electrolyte, effectively reduces the risk of battery catches fire.
Description
Technical field
The utility model is related to battery technology field, more particularly to a kind of all-solid-state battery of high security.
Background technology
Lithium ion battery is a kind of rechargeable battery, it relies primarily on lithium ion battery, and movement carrys out work between a positive electrode and a negative electrode
Make.In charge and discharge process, Li+ embedded and deintercalations back and forth between two electrodes：During charging, Li+ is from anode deintercalation, by electricity
Matter insertion cathode is solved, cathode is in rich lithium state；It is then opposite during electric discharge.It is general to use the material for containing elemental lithium as electrode
Battery is the representative of modern high performance battery.
Existing lithium battery uses the medium that organic solvent is transmitted as ion mostly substantially, of high cost, and these are organic
Solvent is flammable, this is fatal for the safety of lithium battery.There is mechanism to have studied solid state lithium battery at present, tried
Figure replaces flammable liquid lithium battery.
But all-solid lithium-ion battery of the prior art cause since structure design is not reasonable its service life by
To influence and there are still security risk, and production difficulty is big, and manufacture cost is caused to increase.
Utility model content
The purpose of this utility model is to provide a kind of all-solid-state battery of high security simple in structure, can solve above-mentioned
One or more of prior art problem.
One side according to the present utility model provides a kind of all-solid-state battery of high security, including housing and envelope
Battery core loaded on the enclosure interior；
Battery core includes the positive plate and negative plate for the setting that is superimposed with each other, and solid state electrolysis is provided between positive plate and negative plate
Matter layer；
Positive plate includes plus plate current-collecting body and the anode active material layer coated on plus plate current-collecting body surface, anode collection
Body is equipped with positive pole ear；
Negative plate includes negative current collector and the anode active material layer coated on negative current collector surface, negative pole currect collecting
Body is equipped with negative lug, and positive pole ear and negative lug stretch out housing, and positive pole ear and negative lug shift to install；
Anode active material layer and anode active material layer are close to solid-state electrolyte layer；
Positive pole ear is shape by die-cutting, and positive pole ear is isosceles trapezoidal structure, the waist of the positive pole ear of isosceles trapezoidal structure
Side and the edge camber angle of plus plate current-collecting body.
The beneficial effects of the utility model are：The safety of all-solid-state battery provided by the utility model is compared to tradition
Liquid electrolyte lithium battery have a great improvement, the utility model replaces original flammable electrolysis with non-ignitable solid electrolyte
Liquid and diaphragm effectively reduce the risk of battery catches fire.In addition, by by the waist edge of the positive pole ear of isosceles trapezoidal structure and just
Pole collector edge does arc angle design, effectively solves plus plate current-collecting body in metal or laser die cutting, positive pole ear turns
The problem of angle can't cut or cause larger burr to spend, so as to avoid because causing security risk to battery during electrode burrs.
In some embodiments, several be uniformly arranged is equipped in anode active material layer and anode active material layer
Groove.As a result, by setting several grooves in anode active material layer and anode active material layer, be conducive to increase active matter
The contact area of matter and solid electrolyte so as to increase lithium ion deintercalation rate, makes battery high-rate charge-discharge capability carry significantly
It rises, so as to meet the needs of fast charging and discharging.
In some embodiments, negative lug is shape by die-cutting, and negative lug is isosceles trapezoidal structure, isosceles trapezoid knot
The waist edge of the negative lug of structure and the edge camber angle of negative current collector.As a result, by by the cathode pole of isosceles trapezoidal structure
The waist edge of ear does arc angle design with negative current collector edge, effectively solves negative current collector in metal or laser die cutting
When, the problem of negative lug turning can't cut or cause larger burr to spend, so as to avoid because being made during electrode burrs to battery
Into security risk.
In some embodiments, housing is equipped with several ventilation holes.As a result, by setting several ventilations on housing
Hole can in time shed the heat that inside battery generates, so as to improve the security performance of the utility model.
In some embodiments, covered with waterproof ventilated membrane on ventilation hole.As a result, by covering waterproof on ventilation hole
Ventilated membrane can play the role of blocking to ventilation hole, so as to further improve the security performance of battery.
In some embodiments, solid electrolyte by Li2.5Ti1.5SiO4, binding agent, solvent according to 04: 0.1: 0.5
Ratio mix.As a result, by using suitable binding agent, solid-state electrolyte layer can be caused to retain certain toughness,
Allow a degree of bending, ensure that the vibration safety of battery.
Description of the drawings
Fig. 1 is the overall structure diagram of the all-solid-state battery of the high security of one embodiment of the utility model；
Fig. 2 is the structure diagram of the battery core in the all-solid-state battery of high security shown in Fig. 1；
Fig. 3 is the structure diagram of the positive pole ear in the all-solid-state battery of high security shown in Fig. 1；
Fig. 4 is the structure diagram of the negative lug in the all-solid-state battery of high security shown in Fig. 1.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 to Fig. 4 schematically shows a kind of all solid state of the high security of embodiment according to the present utility model
Battery.As shown in the figure, the all-solid-state battery of the high security includes housing 1 and the battery core 2 being packaged in inside the housing 1.
Several ventilation holes 41 can be equipped on housing 1.It, can be timely as a result, by setting several ventilation holes 41 on housing 1
The heat that inside battery generates is shed, so as to improve the security performance of the utility model.
Waterproof ventilated membrane preferably is covered on ventilation hole 41.It, can as a result, by covering waterproof ventilated membrane on ventilation hole 41
To play the role of blocking to ventilation hole 41, so as to further improve the security performance of battery.
Wherein, battery core 2 includes the be superimposed with each other positive plate 3 of setting and negative plate 4, is set between positive plate 3 and negative plate 4
There is solid-state electrolyte layer 5.Original flammable electrolyte and diaphragm are replaced by using non-ignitable solid electrolyte as a result, it can be effective
The risk of battery catches fire is reduced, so that the safety of all-solid-state battery provided by the utility model is compared to traditional liquid
Electrolyte lithium batteries have great improvement.
Preferably, solid electrolyte is mixed by Li2.5Ti1.5SiO4, binding agent, solvent according to 04: 0.1: 0.5 ratio
It forms.As a result, by using suitable binding agent, solid-state electrolyte layer 5 can be caused to retain certain toughness, allow certain journey
The bending of degree ensure that the vibration safety of battery.
Positive plate 3 includes plus plate current-collecting body 31 and the anode active material layer 32 coated on 31 surface of plus plate current-collecting body,
Plus plate current-collecting body 31 is equipped with positive pole ear 33, and positive pole ear 33 is shape by die-cutting, and positive pole ear 33 is isosceles trapezoidal structure, etc.
The waist edge of the positive pole ear 33 of waist trapezium structure and the edge camber angle 7 of plus plate current-collecting body 31.As a result, by by isosceles trapezoid
The waist edge of the positive pole ear 33 of structure is done arc angle 7 with 31 edge of plus plate current-collecting body and is designed, and effectively solves plus plate current-collecting body
The problem of 31 in metal or laser die cutting, and 33 turning of positive pole ear can't cut or cause larger burr to spend, so as to avoid
Due to electrode burrs security risk is caused to battery.
Negative plate 4 includes negative current collector 41 and the anode active material layer 42 coated on 41 surface of negative current collector,
Negative current collector 41 is equipped with negative lug 43.Preferably, negative lug 43 is shape by die-cutting, and negative lug 43 is isosceles trapezoid
Structure, the waist edge of the negative lug 43 of isosceles trapezoidal structure and the edge camber angle 7 of negative current collector 41.Pass through as a result, by
The waist edge of the negative lug 43 of isosceles trapezoidal structure is done arc angle 7 with 41 edge of negative current collector and is designed, and effectively solves negative
Pole collector 41 is in metal or laser die cutting, the problem of 43 turning of negative lug can't cut or cause larger burr to spend, so as to
It can be to avoid because causing security risk to battery during electrode burrs.
Positive pole ear 33 and negative lug 43 stretch out housing 1, and positive pole ear 33 and negative lug 43 shift to install.By
This, can in order to by the electric current of the all-solid-state battery of high security provided by the utility model draw.
Anode active material layer 32 and anode active material layer 42 are close to solid-state electrolyte layer 5, anode active material layer
32 and anode active material layer 42 on be equipped with several grooves 6 being uniformly arranged.Positive plate 3 and negative plate 4 it is coated, baking,
After cold pressing, laser generator can be used, groove 6 is performed etching to its surface.As a result, by anode active material layer 32 and negative
Several grooves 6 on pole active material layer 42 are set, are conducive to increase the contact area of active material and solid electrolyte, so as to increase
Big lithium ion deintercalation rate, greatly promotes battery high-rate charge-discharge capability, so as to meet the needs of fast charging and discharging.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Under the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these belong to this practicality
Novel protection domain.
Claims (5)
1. a kind of all-solid-state battery of high security, which is characterized in that including housing (1) and be packaged in the housing (1) inside
Battery core (2)；
Positive plate (3) and negative plate (4) of the battery core (2) including the setting that is superimposed with each other, the positive plate (3) and the cathode
Solid-state electrolyte layer (5) is provided between piece (4)；
Positive-active of the positive plate (3) including plus plate current-collecting body (31) and coated on the plus plate current-collecting body (31) surface
Material layer (32), the plus plate current-collecting body (31) are equipped with positive pole ear (33)；
Negative electrode active of the negative plate (4) including negative current collector (41) and coated on the negative current collector (41) surface
Material layer (42), the negative current collector (41) are equipped with negative lug (43), the positive pole ear (33) and the cathode pole
Ear (43) stretches out the housing (1), and the positive pole ear (33) and the negative lug (43) shift to install；
The anode active material layer (32) and the anode active material layer (42) are close to the solid-state electrolyte layer (5)；
The positive pole ear (33) be shape by die-cutting, the positive pole ear (33) be isosceles trapezoidal structure, the isosceles trapezoid knot
The waist edge of the positive pole ear (33) of structure and the edge camber angle (7) of the plus plate current-collecting body (31).
2. the all-solid-state battery of high security according to claim 1, which is characterized in that the anode active material layer
(32) and in the anode active material layer (42) several grooves (6) being uniformly arranged are equipped with.
3. the all-solid-state battery of high security according to claim 1, which is characterized in that the negative lug (43) is mould
Be cut into type, the negative lug (43) is isosceles trapezoidal structure, the waist edge of the negative lug (43) of the isosceles trapezoidal structure with
The edge camber angle (7) of the negative current collector (41).
4. the all-solid-state battery of high security according to claim 1, which is characterized in that the housing (1) is if be equipped with
Dry ventilation hole (11).
5. the all-solid-state battery of high security according to claim 4, which is characterized in that covered on the ventilation hole (11)
There is waterproof ventilated membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721466382.2U CN207504119U (en) | 2017-11-06 | 2017-11-06 | A kind of all-solid-state battery of high security |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721466382.2U CN207504119U (en) | 2017-11-06 | 2017-11-06 | A kind of all-solid-state battery of high security |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207504119U true CN207504119U (en) | 2018-06-15 |
Family
ID=62503544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721466382.2U Expired - Fee Related CN207504119U (en) | 2017-11-06 | 2017-11-06 | A kind of all-solid-state battery of high security |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207504119U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994011A (en) * | 2019-11-01 | 2020-04-10 | 华南理工大学 | Interlocking type all-solid-state lithium ion battery membrane blank and forming method and forming device thereof |
| CN111092254A (en) * | 2018-10-23 | 2020-05-01 | 中信国安盟固利动力科技有限公司 | All-solid-state battery with low interface impedance and high interface compatibility |
| WO2022000422A1 (en) * | 2020-07-02 | 2022-01-06 | 宁德新能源科技有限公司 | Electrochemical device and electric device |
| CN114725586A (en) * | 2022-04-07 | 2022-07-08 | 东莞市沃泰通新能源有限公司 | Novel sodium ion cylinder type battery of structure |
| WO2023082264A1 (en) * | 2021-11-15 | 2023-05-19 | 宁德新能源科技有限公司 | Negative electrode plate, electrochemical device comprising same, and electronic device |
-
2017
- 2017-11-06 CN CN201721466382.2U patent/CN207504119U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092254A (en) * | 2018-10-23 | 2020-05-01 | 中信国安盟固利动力科技有限公司 | All-solid-state battery with low interface impedance and high interface compatibility |
| CN111092254B (en) * | 2018-10-23 | 2022-05-17 | 中信国安盟固利动力科技有限公司 | All-solid-state battery with low interface impedance and high interface compatibility |
| CN110994011A (en) * | 2019-11-01 | 2020-04-10 | 华南理工大学 | Interlocking type all-solid-state lithium ion battery membrane blank and forming method and forming device thereof |
| WO2022000422A1 (en) * | 2020-07-02 | 2022-01-06 | 宁德新能源科技有限公司 | Electrochemical device and electric device |
| WO2023082264A1 (en) * | 2021-11-15 | 2023-05-19 | 宁德新能源科技有限公司 | Negative electrode plate, electrochemical device comprising same, and electronic device |
| CN114725586A (en) * | 2022-04-07 | 2022-07-08 | 东莞市沃泰通新能源有限公司 | Novel sodium ion cylinder type battery of structure |
| CN114725586B (en) * | 2022-04-07 | 2023-04-07 | 东莞市朗泰通科技股份有限公司 | Novel sodium ion cylinder type battery of structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200106 Address after: Room 710, 701-712, juoyue Times Square building, No. 4068, Yitian Road, Futian community, Futian District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Lvting Power Technology Co.,Ltd. Address before: 100083 room 2302, block D, Zhizhen building, No.7, Zhichun Road, Haidian District, Beijing Patentee before: ZHONG NENG DONG DAO GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180615 |