CN208352497U - A kind of solid state battery having self heating function - Google Patents
A kind of solid state battery having self heating function Download PDFInfo
- Publication number
- CN208352497U CN208352497U CN201820421195.0U CN201820421195U CN208352497U CN 208352497 U CN208352497 U CN 208352497U CN 201820421195 U CN201820421195 U CN 201820421195U CN 208352497 U CN208352497 U CN 208352497U
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- China
- Prior art keywords
- solid state
- state battery
- negative electrode
- heating function
- battery
- Prior art date
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- 239000007787 solid Substances 0.000 title claims abstract description 57
- 238000010438 heat treatment Methods 0.000 title claims abstract description 38
- 239000003792 electrolyte Substances 0.000 claims abstract description 14
- 239000000446 fuel Substances 0.000 claims abstract description 5
- 238000003475 lamination Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000005486 organic electrolyte Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing 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
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- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to battery technology field, more particularly to a kind of solid state battery for having self heating function, shell including battery core and receiving battery core, the battery core includes positive plate, negative electrode tab and the solid-state electrolyte layer being arranged between positive plate and negative electrode tab, the positive plate is provided with anode ear, the negative electrode tab is provided with negative electrode lug, and the fuel factor when solid state battery is using direct short-circuit realizes its self heating function.Compared with the prior art, the utility model is by making solid-state battery core direct short-circuit, the self heating function of solid state battery is realized using the resistance heating of positive/negative plate when short circuit, it ensure that solid state battery works normally at low ambient temperatures, optimize the structure design of battery core, cost is saved, while improving the energy density of solid state battery group.
Description
Technical field
The utility model belongs to battery technology field more particularly to a kind of solid state battery for having self heating function.
Background technique
Traditional liquid lithium battery is visually known as " rocking chair type battery " again by scientists, and the both ends of rocking chair are battery
Positive and negative polarities, centre are electrolyte.And lithium ion makes little runs to and fro just as outstanding sportsman at the both ends of rocking chair, in lithium ion
From anode to cathode again into the motion process of anode, the charge and discharge process of battery is just completed.
The principle of solid state battery is same, and only its electrolyte is solid-state.Electrolysis is substituted using solid electrolyte
Liquid can not only efficiently solve safety problem, additionally it is possible to alleviate short circuit problem caused by Li dendrite, so as to use Gao Rong
Lithium metal is measured as battery cathode, is expected to promote the energy density of lithium battery.In addition, solid state battery can use the knot of stacking-type
Structure design, can greatly simplify battery structure, to further promote the energy density of battery.Therefore, same electricity, solid-state
Battery volume will become smaller.Moreover, due to not having electrolyte in solid state battery, sealing up for safekeeping will become to be more easier,
In use, also not needing additionally to increase cooling tube, electronics control etc. again on the large scale equipments such as automobile, cost is not only saved, also
Weight can effectively be mitigated.
However, solid electrolyte conductivity is influenced by ambient temperature greatly, conductivity is lower under low temperature, leads to solid state battery
Can not normally it start under cold climate conditions.Generally use the mode of external heating in the prior art to promote the ring of battery pack
Border temperature, so that solid state battery be made to work normally.But the program needs external heating source to make, and battery structure designs and BMS is managed
More complicated, increased costs, and reliability is poor.
In view of this, to realize from heat supply, promoting solid-state it is necessory to be improved further to existing solid state battery
Design cost and heat management cost is effectively reduced in the integrated level of battery.
Utility model content
The purpose of this utility model is that: in view of the deficiencies of the prior art, and provide a kind of reasonable in design, BMS pipe
Reason is simple, manufacturing cost is low and do not damage battery core energy density can self-heating solid state battery.
To achieve the goals above, the utility model uses following solution:
A kind of solid state battery having self heating function, the shell including battery core and receiving battery core, the battery core includes just
Pole piece, negative electrode tab and the solid-state electrolyte layer being arranged between positive plate and negative electrode tab, the positive plate are provided with anode
Ear, the negative electrode tab be provided with negative electrode lug, and the fuel factor when solid state battery is using direct short-circuit realizes its self heating function.
It it should be noted that the conductivity due to solid state battery itself is lower, while is made under low temperature environment again
With condition, short circuit current very little；And it is therefore, low without containing the organic electrolyte that conventional liquid battery is inflammable in solid state battery
Directly being shorted positive and negative anodes not under temperature will lead to solid state battery thermal runaway.
As the preferred embodiment of the solid state battery described in the utility model for having self heating function, the anode ear and institute
It states and is connected or disconnected between negative electrode lug by on-off connector.
It it should be noted that the conductivity due to solid state battery itself is lower, while is made under low temperature environment again
With condition, short circuit current very little；And it is therefore, low without containing the organic electrolyte that conventional liquid battery is inflammable in solid state battery
Directly being shorted positive and negative anodes not under temperature will lead to solid state battery thermal runaway.
As the preferred embodiment of the solid state battery described in the utility model for having self heating function, when solid state battery carries out
When self-heating, the on-off connector is in connection status；When solid state battery foreign work, the on-off connector is in disconnected
Open state.
As the preferred embodiment of the solid state battery described in the utility model for having self heating function, when solid state battery heats
When to set temperature, the on-off connector disconnects automatically；Wherein, set temperature >=25 DEG C.
As the preferred embodiment of the solid state battery described in the utility model for having self heating function, the positive plate, institute
It states negative electrode tab and the solid-state electrolyte layer forms the battery core by the way of lamination.
As the preferred embodiment of the solid state battery described in the utility model for having self heating function, the positive plate, institute
It states negative electrode tab and the solid-state electrolyte layer and forms the battery core by the way of winding.
As the preferred embodiment of the solid state battery described in the utility model for having self heating function, the on-off connector
For the electronic component that can control open circuit and open circuit.
The utility model has the beneficial effects that: a kind of solid state battery for having self heating function of the utility model, including
Battery core and the shell for accommodating battery core, the battery core include positive plate, negative electrode tab and are arranged between positive plate and negative electrode tab
Solid-state electrolyte layer, the positive plate are provided with anode ear, and the negative electrode tab is provided with negative electrode lug, and the solid state battery is using directly
Fuel factor when short-circuit realizes its self heating function.Compared with the prior art, the utility model is direct by making solid-state battery core
The self heating function of solid state battery is realized in short circuit using the resistance heating of positive/negative plate when short circuit, ensure that solid state battery exists
It is worked normally under low temperature environment, optimizes the structure design of battery core, save cost, while improving the energy of solid state battery group
Density.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1- battery core；11- positive plate；12- negative electrode tab；13- solid-state electrolyte layer；2- shell；3- anode ear；4- is negative
Tab；5- on-off connector.
Specific embodiment
To keep the technical solution of the utility model and advantage clearer, below in conjunction with specific embodiment and specification
Attached drawing is described in further detail the utility model and its advantages, but the embodiments of the present invention is not limited to
This.
As shown in Figure 1, a kind of solid state battery for having self heating function, the shell 2 including battery core 1 and receiving battery core 1, electricity
Core 1 includes positive plate 11, negative electrode tab 12 and the solid-state electrolyte layer 13 being arranged between positive plate 11 and negative electrode tab 12,
In, battery core 1 can be formed by the way of lamination by positive plate 11, negative electrode tab 12 and solid-state electrolyte layer 13；Battery core 1 can also be with
It is formed by the way of winding by positive plate 11, negative electrode tab 12 and solid-state electrolyte layer 13；Positive plate 11 is provided with anode ear 3,
Negative electrode tab 12 is provided with negative electrode lug 4, is connected or disconnected between anode ear 3 and negative electrode lug 4 by on-off connector 5；Wherein, on-off
Connector 5 is the electronic component of controllable open circuit and open circuit, such as switch and/or conducting wire.It should be noted that due to solid
The conductivity of state battery itself is lower, while being for the use condition under low temperature environment, short circuit current very little again；And solid-state
Without containing the organic electrolyte that conventional liquid battery is inflammable in battery, therefore, being directly shorted positive and negative anodes under low temperature not will lead to
Solid state battery thermal runaway, fuel factor when can use its short circuit realize its self heating function.
The working process of the utility model is as follows: when solid state battery carries out self-heating, on-off connector 5 is in connection shape
State realizes the self heating function of solid state battery using the resistance heating of positive/negative plate when short circuit；When solid state battery is heated to set
When determining temperature (>=25 DEG C), on-off connector 5 disconnects automatically；When solid state battery foreign work, on-off connector 5, which is in, to be disconnected
State.
Compared with the prior art, the utility model utilizes positive/negative plate when short circuit by making solid-state battery core direct short-circuit
Resistance heating realizes the self heating function of solid state battery, ensure that solid state battery works normally at low ambient temperatures, optimizes
The structure of battery core designs, and saves cost, while improving the energy density of solid state battery group.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to above-mentioned specific embodiment, all this field skills
It is practical new that art personnel any conspicuous improvement made on the basis of the utility model, replacement or modification belong to this
The protection scope of type.In addition, these terms are intended merely to facilitate although using some specific terms in this specification
It is bright, any restrictions are not constituted to the utility model.
Claims (6)
1. a kind of solid state battery for having self heating function, the shell including battery core and receiving battery core, the battery core includes anode
Piece, negative electrode tab and the solid-state electrolyte layer being arranged between positive plate and negative electrode tab, the positive plate are provided with anode ear,
The negative electrode tab is provided with negative electrode lug, it is characterised in that: the fuel factor when solid state battery is using direct short-circuit come realize its from
Heating function.
2. the solid state battery according to claim 1 for having self heating function, it is characterised in that: the anode ear and described
It is connected or disconnected between negative electrode lug by on-off connector.
3. the solid state battery according to claim 2 for having self heating function, it is characterised in that: when solid state battery carries out certainly
When heating, the on-off connector is in connection status；When solid state battery foreign work, the on-off connector, which is in, to be disconnected
State.
4. the solid state battery according to claim 3 for having self heating function, it is characterised in that: when solid state battery is heated to
When set temperature, the on-off connector disconnects automatically；Wherein, set temperature >=25 DEG C.
5. the solid state battery according to claim 1 for having self heating function, it is characterised in that: the positive plate, described
Negative electrode tab and the solid-state electrolyte layer form the battery core by the way of lamination or winding.
6. the solid state battery according to claim 2 for having self heating function, it is characterised in that: the on-off connector is
Controllable open circuit and the electronic component of open circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820421195.0U CN208352497U (en) | 2018-03-27 | 2018-03-27 | A kind of solid state battery having self heating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820421195.0U CN208352497U (en) | 2018-03-27 | 2018-03-27 | A kind of solid state battery having self heating function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208352497U true CN208352497U (en) | 2019-01-08 |
Family
ID=64885617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820421195.0U Active CN208352497U (en) | 2018-03-27 | 2018-03-27 | A kind of solid state battery having self heating function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208352497U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613854A (en) * | 2020-05-22 | 2020-09-01 | 维沃移动通信有限公司 | Battery and its control method and electronic device |
-
2018
- 2018-03-27 CN CN201820421195.0U patent/CN208352497U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613854A (en) * | 2020-05-22 | 2020-09-01 | 维沃移动通信有限公司 | Battery and its control method and electronic device |
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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: 20220120 Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: 211100 69, Feitian Road, Jiangning Airport Economic Development Zone, Nanjing, Jiangsu Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli New Energy Battery Technology Co.,Ltd. Country or region after: China Address before: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Country or region before: China |
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| CP03 | Change of name, title or address |