CN114843589A - Solid ternary lithium heat conduction battery - Google Patents
Solid ternary lithium heat conduction battery Download PDFInfo
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- CN114843589A CN114843589A CN202210635901.2A CN202210635901A CN114843589A CN 114843589 A CN114843589 A CN 114843589A CN 202210635901 A CN202210635901 A CN 202210635901A CN 114843589 A CN114843589 A CN 114843589A
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- solid electrolyte
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- conductive adhesive
- ternary
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/654—Means for temperature control structurally associated with the cells located inside the innermost case of the cells, e.g. mandrels, electrodes or electrolytes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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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
- 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
Abstract
The invention belongs to the technical field of lithium batteries, and particularly relates to a solid ternary lithium heat-conducting battery which comprises a ternary solid electrolyte, a positive electrode, a negative electrode and a conductive adhesive; the ternary solid electrolyte is prepared from the following components in parts by weight: the composite material comprises 5 parts of nickel source, 2 parts of cobalt source, 3 parts of aluminum source and 1 part of conductive adhesive, and is reasonable in structure, high-performance, high-heat-dissipation, high-conductivity and high-transmission electronic solid electrolyte replaces liquid electrolyte according to the specific matching proportion of a formula, so that the electric loss is reduced, the electricity storage capacity is increased, the charging and discharging time is shortened, the safety is guaranteed, the endurance is long, the service life is long, the complex environment can be used, and the endurance can be estimated to be more than 2000 km.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a solid ternary lithium heat-conducting battery.
Background
Currently, commercial power lithium ion batteries are mainly lithium cobaltate, lithium manganate, lithium iron phosphate and nickel cobalt manganese ternary batteries. The power battery requires the battery to have higher energy density (corresponding to high endurance distance) and high safety, lithium cobaltate is not suitable for the category of the power battery because of the worst thermal stability (poor safety) of lithium cobaltate, but because of the high compaction density and the energy density which are the dry flow in the 3C category at present, the lithium manganate is low in energy density and limited in use, lithium iron phosphate is used as the earlier developed skill, the advantages are that the safety is excellent, the environment is protected, the cycle life is high, but the defects are that the energy density is low and reaches the ceiling closely, the ternary system has the advantage of high energy density upper limit, the future technology continuously advances, the safety problem is gradually improved, and the ternary system is still the optimal choice for the category of the power battery before the major breakthrough of other battery skills is not realized.
The lithium ion battery has the advantages of high energy density, excellent cycle performance, low self-discharge rate and the like, and is widely applied to the fields of energy storage, electric automobiles, electronic products and the like. Most active materials of the lithium ion battery are transition metal oxides or transition metal salts, most of the active materials are semiconductors or insulators, the conductivity is poor, the electron migration rate in the battery is limited, the performance is restricted, and performance attenuation or failure can be caused.
The existing solid ternary lithium heat-conducting battery has some defects in the using process, such as poor heat dissipation performance and high production cost, and therefore a novel solid ternary lithium heat-conducting battery is provided for solving the problems.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the problems existing in the existing solid ternary lithium heat-conducting battery.
Therefore, the invention aims to provide a solid ternary lithium heat-conducting battery which can realize good heat dissipation effect and high electric conduction efficiency in the using process.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a solid ternary lithium heat conduction battery comprises a ternary solid electrolyte, a positive electrode, a negative electrode and a conductive adhesive;
wherein the content of the first and second substances,
the ternary solid electrolyte is prepared from the following components in parts by weight: 5 parts of nickel source, 2 parts of cobalt source, 3 parts of aluminum source and 1 part of conductive adhesive.
As a preferable scheme of the solid ternary lithium heat-conducting battery of the present invention, wherein: the conductive adhesive is added with a certain amount of ethylene oxide for anti-freezing and is sprayed and adhered to the ultra-thin film by 0.1 to 0.2 mm.
As a preferable scheme of the solid ternary lithium heat-conducting battery of the present invention, wherein: the positive electrode is separated from the solid electrolyte by a high quality insulating material.
As a preferable scheme of the solid ternary lithium heat-conducting battery of the present invention, wherein: the negative electrode is made of dual high-tech materials, so that the conductivity is high, the safety is higher, the high and low temperatures are resisted, and the surface of the negative electrode is added with anti-freezing raw materials, so that the stored energy is more.
As a preferable scheme of the solid ternary lithium heat-conducting battery of the present invention, wherein: the solid electrolyte adopts copper, the copper price is 56 times lower than that of silver, and the difference of the conductivity is 8 points.
Compared with the prior art, the invention has the beneficial effects that:
1. the solid electrolyte with high performance, high heat dissipation, high conductivity and high electron (charge) transmission replaces the liquid electrolyte.
2. The novel material with the highest world odds and trails conductivity is scientifically added into the anode material, so that the electric loss is reduced, the electricity storage capacity is increased, and the charging and discharging time is shortened.
3. The nano graphene ball with high conductivity is used for replacing original long-term used materials such as low-conductivity, low-reserve and low-heat-dissipation sheet graphene, graphite, sodium, silicon carbon and the like in the cathode material.
4. And then, the spherical nano graphene conductive paddle with high conductivity is added, so that the electricity storage capacity is increased by using the dual-high-technology high-performance new material, the electricity loss is reduced, and the charging and discharging time is shortened.
5. As the high-tech high-performance new material increases the safety, the metal nickel is added in the first case, the electric storage capacity is increased, and the safe electric storage capacity is increased in multiple aspects.
6. After the new antifreezing material is added, the solid ternary lithium battery can resist high and low temperatures.
7. The solid electrolyte ultrathin copper sheet is made porous, the heat dissipation capacity is increased, the new material quantity with high performance and high conductivity is increased, and the flow surface of conduction electrons is large.
8. After the equipment is used, the temperature is high and low all over the world. The complex environment can be used, and the estimated endurance exceeds 2000 km.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to make the aforementioned objects, features and advantages of the invention more comprehensible.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below.
Example 1
A solid ternary lithium heat conduction battery comprises a ternary solid electrolyte, a positive electrode, a negative electrode and a conductive adhesive;
wherein the content of the first and second substances,
the ternary solid electrolyte is prepared from the following components in parts by weight: 5 parts of nickel source, 2 parts of cobalt source, 3 parts of aluminum source and 1 part of conductive adhesive.
Wherein: the conductive adhesive is added with a certain amount of ethylene oxide for anti-freezing and is sprayed and adhered to the ultra-thin film by 0.1 to 0.2 mm.
Wherein: the positive electrode is separated from the solid electrolyte by a high quality insulating material.
Wherein: the negative electrode is made of dual high-tech materials, so that the conductivity is high, the safety is higher, the high and low temperatures are resisted, and the surface of the negative electrode is added with anti-freezing raw materials, so that the stored energy is more.
Wherein: the solid electrolyte adopts copper, the copper price is 56 times lower than that of silver, and the difference of the conductivity is 8 points.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. A solid-state ternary lithium heat conduction battery is characterized in that: the electrolyte comprises a ternary solid electrolyte, a positive electrode, a negative electrode and conductive adhesive;
wherein the content of the first and second substances,
the ternary solid electrolyte is prepared from the following components in parts by weight: 5 parts of nickel source, 2 parts of cobalt source, 3 parts of aluminum source and 1 part of conductive adhesive.
2. The solid state ternary lithium thermal conductivity cell of claim 1, wherein: quantitative ethylene oxide is added into the conductive adhesive for antifreezing, and the conductive adhesive is sprayed and adhered to the ultra-thin film by 0.1 to 0.2 mm.
3. The solid state ternary lithium thermal conductivity cell of claim 1, wherein: the positive electrode is separated from the solid electrolyte by a high quality insulating material.
4. The solid state ternary lithium thermal conductivity cell of claim 1, wherein: the negative electrode is made of dual high-tech materials, so that the conductivity is high, the safety is higher, the high and low temperatures are resisted, and the surface of the negative electrode is added with anti-freezing raw materials, so that the stored energy is more.
5. The solid state ternary lithium thermal conductivity cell of claim 1, wherein: the solid electrolyte adopts copper, the copper price is 56 times lower than that of silver, and the difference of the conductivity is 8 points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210635901.2A CN114843589A (en) | 2022-06-06 | 2022-06-06 | Solid ternary lithium heat conduction battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210635901.2A CN114843589A (en) | 2022-06-06 | 2022-06-06 | Solid ternary lithium heat conduction battery |
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| Publication Number | Publication Date |
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| CN114843589A true CN114843589A (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210635901.2A Pending CN114843589A (en) | 2022-06-06 | 2022-06-06 | Solid ternary lithium heat conduction battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116162423A (en) * | 2023-03-01 | 2023-05-26 | 上海我赛电池科技有限公司 | Special conductive adhesive for high-performance negative electrode of solid ternary lithium heat conduction battery |
| CN116445099A (en) * | 2023-03-25 | 2023-07-18 | 上海我赛电池科技有限公司 | High-conductivity special conductive adhesive for solid ternary lithium heat conduction battery |
-
2022
- 2022-06-06 CN CN202210635901.2A patent/CN114843589A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116162423A (en) * | 2023-03-01 | 2023-05-26 | 上海我赛电池科技有限公司 | Special conductive adhesive for high-performance negative electrode of solid ternary lithium heat conduction battery |
| CN116445099A (en) * | 2023-03-25 | 2023-07-18 | 上海我赛电池科技有限公司 | High-conductivity special conductive adhesive for solid ternary lithium heat conduction battery |
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