CN108695565A - Battery, battery system and battery using method - Google Patents
Battery, battery system and battery using method Download PDFInfo
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- CN108695565A CN108695565A CN201710236590.1A CN201710236590A CN108695565A CN 108695565 A CN108695565 A CN 108695565A CN 201710236590 A CN201710236590 A CN 201710236590A CN 108695565 A CN108695565 A CN 108695565A
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- battery core
- electrolyte battery
- solid electrolyte
- liquid electrolyte
- core
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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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
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- 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
-
- 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
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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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
Abstract
The embodiment of the invention provides a battery, a battery system and a battery using method. The battery provided by the embodiment of the invention comprises: a liquid electrolyte cell and a solid electrolyte cell; the liquid electrolyte cell is capable of thermally conducting with the solid electrolyte cell. The technical scheme provided by the embodiment of the invention realizes the effect of improving the energy density of the battery, and in addition, the liquid electrolyte cell can generate heat in the discharging process, and the heat is utilized to heat the solid electrolyte, so that the energy utilization rate is improved.
Description
Technical field
The present invention relates to a kind of battery technology field more particularly to battery, battery system and battery application methods.
Background technology
In the product of current energy storage electric energy, lithium ion battery is put into since 1991 because it has the characteristics that with long service life
Attracted attention always since market, be widely used in fields such as terminal, electric tool, electric bicycle, electric vehicles, at
For an indispensable product in the economy of energy.
Lithium-ion electric core in the prior art is mostly total to by the electrolyte of anode pole piece, cathode pole piece, isolation film and liquid
With composition, wherein anode pole piece is made of materials such as graphite, and cathode pole piece is made of materials such as cobalt acid lithiums, the electrolyte of liquid
It is mixed by materials such as dimethyl carbonate, propene carbonate, lithium hexafluoro phosphates.Lithium-ion electric core complete after by encapsulation
Form battery.
However, because battery its rated capacity being made of lithium-ion electric core is fixed, so the energy density of battery
It is also fixed, when the battery applications are in the scene more demanding to energy density, for example, electric vehicle, uses liquid
The battery energy density of the lithium-ion electric core of electrolyte is relatively low, influences to continue a journey.
Invention content
A kind of battery of offer of the embodiment of the present invention, battery system and battery application method, to realize raising same volume
The energy density of battery.
The embodiment of the present invention provides a kind of battery, including:Liquid electrolyte battery core and solid electrolyte battery core;The liquid
Electrolyte battery core can carry out heat transfer with the solid electrolyte battery core.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the liquid electricity
Solution matter battery core is contacted with the solid electrolyte battery core.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the liquid electricity
It is connected by heat conducting pipe between solution matter battery core and the solid electrolyte battery core.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the liquid electricity
Solution matter battery core has N number of, and N is integer more than or equal to 2;The solid electrolyte battery core have it is N number of, the N be more than or
Integer equal to 2;
The liquid electrolyte battery core of specified quantity and the solid electrolyte battery core interval of specified quantity are arranged.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the liquid electricity
Solution matter battery core has N number of, and N is integer more than or equal to 2;The solid electrolyte battery core has 1;
The solid electrolyte battery core is wrapped in the side wall of the liquid electrolyte battery core.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the liquid electricity
Solution matter battery core has N number of, and N is integer more than or equal to 2;The solid electrolyte battery core has 1;
The solid electrolyte battery core is wrapped in the side wall of the liquid electrolyte battery core with " snakelike ", by liquid electricity
Matter battery core is solved to be spaced apart according to specified quantity.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, which is characterized in that
The liquid electrolyte battery core is cobalt acid lithium battery core, lithium nickelate battery core, mangaic acid lithium cell, LiFePO4 battery core and nickel cobalt mangaic acid
One kind in lithium cell.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, which is characterized in that
The solid electrolyte battery core is polymer solid lithium-ion electric core, and the polymer solid lithium-ion electric core is by polyether system, poly-
In acrylic, polymethacrylates, polyvinylidene fluoride, makrolon, polysilane, polystyrene and its block polymer
One or more composition matrix.
The embodiment of the present invention also provides a kind of battery system, including:Any one of the above battery, temperature sensor and turn
Change switch;
The change-over switch respectively in the battery liquid electrolyte battery core and solid electrolyte battery core connect;
The temperature sensor is connect with the solid electrolyte battery core and change-over switch respectively.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the battery system
System further includes:Battery management unit;
The battery management unit is connect with the battery.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the battery system
System further includes:Temperature management unit;
The temperature management unit is connect with the battery.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the battery system
System further includes:Power unit;
The power unit is connect with the change-over switch.
The embodiment of the present invention also provides a kind of battery application method, is applied to include solid electrolyte battery core and liquid electrolyte
The battery of matter battery core, including:
Temperature in use sensor detects the temperature of solid electrolyte battery core;
If the temperature of the solid electrolyte battery core is more than or equal to the first temperature threshold and is less than or equal to second
The liquid electrolyte battery core is connected in temperature threshold, change-over switch, is powered using the liquid electrolyte battery core;
If the temperature of the solid electrolyte battery core is more than second temperature threshold value, and is less than or equal to third temperature threshold
The solid electrolyte battery core and the liquid electrolyte battery core is connected in value, change-over switch, uses solid electrolyte electricity
Core and the liquid electrolyte battery core are powered simultaneously;
If the temperature of the solid electrolyte battery core is more than third temperature threshold, and is less than or equal to the 4th temperature threshold
Value, change-over switch disconnect the connection with the liquid electrolyte battery core, are powered using the solid electrolyte battery core;
4th temperature threshold is more than the third temperature threshold, and the third temperature threshold is more than the second temperature
Threshold value, the second temperature threshold value are more than first temperature threshold.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, in temperature in use
After sensor detects the temperature of solid electrolyte battery core, the method further includes:
The temperature of the solid electrolyte battery core detected is sent to battery management unit.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the conversion are opened
It closes and the liquid electrolyte battery core is connected, including:
Receive the first instruction that the battery management unit is sent;
The liquid electrolyte battery core is connected according to first instruction in the change-over switch.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the conversion are opened
It closes and the solid electrolyte battery core and the liquid electrolyte battery core is connected, including:
Receive the second instruction that the battery management unit is sent;
The liquid electrolyte battery core and the liquid electrolyte is connected according to second instruction in the change-over switch
Battery core.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, change-over switch are disconnected
The connection with the liquid electrolyte battery core is opened, including:
Receive the third instruction that the battery management unit is sent;
The change-over switch disconnects the connection with the liquid electrolyte battery core according to third instruction.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, first temperature
Threshold value is spent between -45 DEG C to -35 DEG C;
The second temperature threshold value is between 35 DEG C to 45 DEG C;
The third temperature threshold is between 55 DEG C to 65 DEG C;
4th temperature threshold is between 115 DEG C to 125 DEG C.
Battery, battery system and battery application method provided in an embodiment of the present invention, there are two types of being arranged in battery
The battery core of material, one of which are liquid electrolyte battery core, and another kind is solid electrolyte battery core, and makes the electricity of two kinds of materials
Core can directly carry out heat transfer, and liquid electrolyte battery core will produce heat in discharge process, be solid-state electricity using the heat
The heating of matter battery core is solved, the ionic conductivity for improving solid electrolyte battery core allows solid electrolyte battery core to meet output work
Rate demand so that with both the above battery core battery can be compared to only a kind of battery of liquid electrolyte battery core for,
Have the effect of higher energy density, solves the electricity in the prior art using single liquid electrolyte lithium-ion electric core
The relatively low problem of pond energy density.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of battery provided in an embodiment of the present invention;
Fig. 2A is the first vertical view of battery provided in an embodiment of the present invention;
Fig. 2 B are the second vertical view of battery provided in an embodiment of the present invention;
Fig. 2 C are the third vertical view of battery provided in an embodiment of the present invention;
Fig. 3 A are the 4th vertical view of battery provided in an embodiment of the present invention;
Fig. 3 B are the 5th vertical view of battery provided in an embodiment of the present invention;
Fig. 3 C are the 6th vertical view of battery provided in an embodiment of the present invention;
Fig. 4 is the structural schematic diagram of battery system embodiment provided in an embodiment of the present invention;
Fig. 5 is another structural schematic diagram of battery system embodiment provided in an embodiment of the present invention;
Fig. 6 is the flow chart of battery application method embodiment provided in an embodiment of the present invention;
Fig. 7 is another flow chart of battery application method embodiment provided in an embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Embodiment one
Fig. 1 is the structural schematic diagram of battery provided in an embodiment of the present invention, as shown in Figure 1, battery provided by the invention, packet
It includes:Liquid electrolyte battery core 1 and solid electrolyte battery core 2.Wherein, it will produce heat in the discharge process of liquid electrolyte battery core 1
Amount, and the ionic conductivity of solid electrolyte battery core 2 is influenced by temperature, and can embody solid electrolyte electricity at normal temperatures
2 ionic conductivity of core is very low, seriously affects the output power of solid electrolyte battery core 2.Therefore, in embodiments of the present invention,
By can be carried out between liquid electrolyte battery core 1 and solid electrolyte battery core 2 heat transfer in the way of, by liquid electrolyte battery core
1 heat transfer generated is to solid electrolyte battery core 2 so that the temperature of solid electrolyte battery core 2 increases, and then realizes and improve
The effect of the ionic conductivity of solid electrolyte battery core 2.
During a concrete implementation, liquid electrolyte battery core 1 is contacted with solid electrolyte battery core 2, passes through two kinds
The battery core of material is in direct contact so that the heat of liquid electrolyte battery core 1 can be transferred directly to solid electrolyte battery core 2, example
Such as, solid electrolyte battery core 2 can be centered around the side wall placement of a liquid electrolyte battery core 1, it is to be understood that solid-state electricity
Solution matter battery core 2 has 4 pieces.In another example a solid electrolyte battery core 2 is close to the side wall of a rectangle liquid electrolyte battery core 1.
During a concrete implementation, pass through heat conducting pipe between liquid electrolyte battery core 1 and solid electrolyte battery core 2
Connection.One end connection liquid electrolyte battery core 1 of heat conducting pipe, the other end connection solid electrolyte battery core 1 of heat conducting pipe so that liquid
The heat that state electrolyte battery core 1 generates in discharge process can be transferred to solid electrolyte battery core 2 by heat conducting pipe, be solid
State electrolyte battery core 2 heats.
Since the rated capacity of an independent battery core is limited, when battery applications are in the field for needing larger energy density
Jing Shi, for example, battery is using in electric vehicle, being usually arranged multiple battery cores in the battery, between multiple battery cores using in parallel or
The concatenated form connection of person, to improve the rated capacity of battery.Therefore, in embodiments of the present invention, liquid electrolyte battery core 1 can
N number of to have, N is integer more than or equal to 2, and solid electrolyte battery core 2 has N number of, and N is the integer more than or equal to 2, is referred to
The liquid electrolyte battery core 1 of fixed number amount and the interval of solid electrolyte battery core 2 of specified quantity are arranged.
In embodiments of the present invention, specific implementation can be as illustrated for following three width figure, and Fig. 2A is this
First vertical view of the battery that inventive embodiments provide, Fig. 2 B are the second vertical view of battery provided in an embodiment of the present invention, figure
2C is the third vertical view of battery provided in an embodiment of the present invention, and as shown in Figure 2 A, liquid electrolyte battery core 1 has 3, solid-state electricity
Solution matter battery core 2 has 4, and 1 solid electrolyte battery core 2 and 1 interval of liquid electrolyte battery core 1 are arranged.As shown in Figure 2 B, liquid
Electrolyte battery core 1 has 4, and solid electrolyte battery core 2 has 3,1 solid electrolyte battery core 2 and 2 liquid electrolyte battery cores 1
Interval setting.As shown in Figure 2 C, liquid electrolyte battery core 1 has 6, and solid electrolyte battery core 2 has 3,1 solid electrolyte electricity
Core 2 and 3 intervals of liquid electrolyte battery core 1 are arranged.
It is understood that Fig. 2A, Fig. 2 B, Fig. 2 C are only suitability explanation in the embodiment of the present invention, in practical applications
It is not intended to limit the quantity and arrangement mode with two kinds of material battery cores.
In embodiments of the present invention, since solid electrolyte battery core 2 is flexible, can carry out bending becomes other shapes
Shape, therefore, during a concrete implementation, liquid electrolyte battery core 1 has N number of, and N is integer more than or equal to 2, Gu
State electrolyte battery core 2 has 1, and solid electrolyte battery core 2 is wrapped in the side wall of liquid electrolyte battery core 1.It is understood that this
When solid electrolyte battery core 2 formed in terms of depression angle one " hollow ".Alternatively, solid electrolyte battery core 2 is with " snakelike "
It is wrapped in the side wall of liquid electrolyte battery core 1, liquid electrolyte battery core 1 is spaced apart according to specified quantity.
In embodiments of the present invention, specific implementation can be as illustrated for following three width figure, and Fig. 3 A are this
4th vertical view of the battery that inventive embodiments provide, Fig. 3 B are the 5th vertical view of battery provided in an embodiment of the present invention, figure
3C is the 6th vertical view of battery provided in an embodiment of the present invention, and as shown in Figure 3A, liquid electrolyte battery core 1 has 6, solid-state electricity
Solution matter battery core 2 has 1, and solid electrolyte battery core 2 separates two liquid electrolyte battery cores 1 of arbitrary neighborhood.As shown in Figure 3B,
Liquid electrolyte battery core 1 has 6, and solid electrolyte battery core 2 has 1, and solid electrolyte battery core 2 is by 1 liang of liquid electrolyte battery core
Two are spaced apart.As shown in Figure 3 C, liquid electrolyte battery core 1 has 6, and solid electrolyte battery core 2 has 1, solid electrolyte battery core 2
Liquid electrolyte battery core 1 is spaced apart as unit of 3.
During a concrete implementation, the liquid electrolyte battery core 1 in the same battery is cobalt acid lithium battery core, nickel acid
One kind in lithium cell, mangaic acid lithium cell, LiFePO4 battery core and nickle cobalt lithium manganate battery core.
During a concrete implementation, solid electrolyte battery core 2 in the same battery be polymer solid lithium from
Sub- battery core, polymer solid lithium-ion electric core is by polyoxyethylene, polyoxyethylene deriv, polysiloxanes and its derivative one
Kind or several composition matrixes.
During a concrete implementation, solid electrolyte battery core 2 in the same battery be polymer solid lithium from
Sub- battery core, polymer solid lithium-ion electric core is by polyether system, polyacrylonitrile, polymethacrylates, polyvinylidene fluoride, poly-
One or more of composition matrixes in carbonic ester, polysilane, polystyrene and its block polymer.
During a concrete implementation, the rated power and solid-state of the liquid electrolyte battery core 1 in the same battery
The ratio of the rated power of electrolyte battery core 2 is more than or equal to 2.
Battery provided in an embodiment of the present invention, by the way that the battery core there are two types of material is arranged in battery, one of which is liquid
State electrolyte battery core 1, another kind is solid electrolyte battery core 2, and makes the battery core of two kinds of materials that can directly carry out heat transfer,
Liquid electrolyte battery core 1 will produce heat in discharge process, is heated, is improved for solid electrolyte battery core 2 using the heat
The ionic conductivity of solid electrolyte battery core 2 allows solid electrolyte battery core 2 to meet output power demand so that have with
The battery of upper two kinds of battery cores can, for a kind of only battery of liquid electrolyte battery core 1, have higher energy close
It is lower to solve the battery energy density in the prior art using single liquid electrolyte lithium-ion electric core for the effect of degree
Problem.
Further, since solid electrolyte battery core 2 is not volatile nonflammable explosive solid polymer, institute because of its electrolyte
With when solid electrolyte battery core 2 is deformed upon and is collided, it is not easy to occur short circuit and other side reactions, security performance compared with
Therefore solid electrolyte battery core 2 is arranged in the outside of liquid electrolyte battery core 1, can improve the safety of battery by height.
Embodiment two
Fig. 4 is the structural schematic diagram of battery system embodiment provided in an embodiment of the present invention, as shown in figure 4, the present invention is real
The battery system for applying example offer, may include battery 11, temperature sensor 12 and the change-over switch 13 in embodiment one.
Wherein, change-over switch 13 respectively in battery 11 liquid electrolyte battery core 1 and solid electrolyte battery core 2 connect,
Temperature sensor 12 is connect with solid electrolyte battery core 2 and change-over switch 13 respectively.Temperature sensor 12 is for detecting solid-state
The temperature of electrolyte battery core 2, when the temperature of solid electrolyte battery core 2 is relatively low, liquid electrolyte battery core is connected in change-over switch 13
1, solid electrolyte battery core 2 is disconnected, the energy stored using liquid electrolyte battery core 1 is output to the outside electric energy.With liquid electricity
It solves matter battery core 1 and exports electric energy, the heat generated can be that solid electrolyte battery core 2 heats, and make 2 temperature of solid electrolyte battery core
It increases.When temperature sensor 12 detects that the temperature of solid electrolyte battery core 2 reaches temperature threshold, led using change-over switch 13
Logical solid electrolyte battery core 2, the energy that the energy and solid electrolyte battery core 2 stored using liquid electrolyte battery core 1 is stored are same
When be output to the outside electric energy.It is constantly increased with the temperature of solid electrolyte battery core 2, when its temperature is higher than liquid electrolyte battery core
When 1 temperature, liquid electrolyte battery core 1 is easy to happen safety issue, for example, spontaneous combustion or explosion etc., change-over switch disconnects
With the connection of liquid electrolyte battery core 1, the energy stored using only solid electrolyte battery core 2 is output to the outside electric energy.
Fig. 5 is another structural schematic diagram of battery system embodiment provided in an embodiment of the present invention, as shown in figure 4, this hair
The battery system that bright embodiment provides can also include battery management unit 14, temperature management list on the basis of foregoing teachings
Member 15 and power unit 16.
Wherein, battery management unit 14 may include two components, for storing data with the memory of instruction and be used for
Signal receive, processing and to the microprocessor that battery 11 and change-over switch 13 are controlled, therefore, battery management unit 14 with
Battery 11 connects.Specifically, battery management unit 14 can monitor liquid electrolyte battery core 1 and solid electrolyte in battery 11
The working conditions such as terminal voltage, the charging and discharging currents of battery core 2, and the accurate state-of-charge for estimating battery 11, ensure in battery 11
Liquid electrolyte battery core 1 and the state-of-charge of solid electrolyte battery core 2 can prevent in the reasonable scope due to overcharge
Or damage of the overdischarge to battery 11.In addition, in embodiments of the present invention, battery management unit 11 is to liquid electrolyte battery core 1
It can individually be controlled with solid electrolyte battery core 2, control can also be carried out at the same time.
Temperature management unit 15 may include two components, respectively memory and microprocessor, temperature management unit 15
It is connect with battery 11.Specifically, temperature management unit 15 can respectively with liquid electrolyte battery core 1 and solid electrolyte battery core 2
Connection, temperature management unit 15 can be respectively that the temperature of liquid electrolyte battery core 1 and the temperature of solid electrolyte battery core 2 carry out
Control, the mode of control can be heated or cooled down for liquid electrolyte battery core 1 and solid electrolyte battery core 2 so that
The temperature holding of the temperature and solid electrolyte battery core 2 of liquid electrolyte battery core 1 is adjusted to certain temperature range as needed
It is interior.During a concrete implementation, temperature management unit 15 may include active liquid cooling system or active resistance
The system that heating system etc. can be adjusted the temperature of battery.
During a concrete implementation, power unit 16 can be engine or driving motor, power unit 16
It is connect with change-over switch 13.The electric energy that power unit is used to provide using battery 11 provides power to other equipment.
Battery system provided in an embodiment of the present invention detects the temperature of solid electrolyte battery core 2 by temperature sensor 12,
And according to the temperature of solid electrolyte battery core 2 by change-over switch 13 adjust battery system be output to the outside electric energy in the way of, it is real
Show and the battery with both the above battery core is come compared to a kind of battery system of only liquid electrolyte battery core 1
It says there is higher energy density, while improving the flexibility of battery system, strengthen the safety of battery system
The effect of energy improves capacity usage ratio, solves in the prior art in addition, being that solid electrolyte heats using the heat
Use the relatively low problem of the battery energy density of single liquid electrolyte lithium-ion electric core.
Battery system provided in an embodiment of the present invention can be applied in electric vehicle, but be not limited to apply in electronic vapour
Che Zhong.
Embodiment three
Fig. 6 is the flow chart of battery application method embodiment provided in an embodiment of the present invention, as shown in fig. 6, the present invention is real
The battery application method for applying example offer, can apply in the battery system in embodiment two, can specifically include following steps:
501, the temperature of temperature in use sensor detection solid electrolyte battery core.
502, the temperature range of solid electrolyte battery core is determined, if the temperature of solid electrolyte battery core is more than or equal to the
One temperature threshold and it is less than or equal to second temperature threshold value, step 503 is executed, if the temperature of solid electrolyte battery core is more than the
Two temperature thresholds, and it is less than or equal to third temperature threshold, step 504 is executed, if the temperature of solid electrolyte battery core is more than
Third temperature threshold, and it is less than or equal to the 4th temperature threshold, execute step 505.
It should be noted that in embodiments of the present invention, the 4th temperature threshold is more than third temperature threshold, third temperature threshold
Value is more than second temperature threshold value, and second temperature threshold value is more than the first temperature threshold.
Applied to the battery core of different occasions, its constituent of battery core and construction can be adjusted according to corresponding demand, therefore,
For different battery cores, first threshold, second threshold, third threshold value and the 4th threshold value are carried out according to the characteristic of battery core
Setting.During a concrete implementation, the first temperature threshold is -40 DEG C ± 5, second temperature threshold value is 40 DEG C ± 5, third
Temperature threshold is 60 DEG C ± 5, the 4th temperature threshold is 120 DEG C ± 10.
503, liquid electrolyte battery core is connected in change-over switch, is powered using liquid electrolyte battery core.
504, change-over switch conducting solid electrolyte battery core and liquid electrolyte battery core, using solid electrolyte battery core and
Liquid electrolyte battery core is powered simultaneously.
505, change-over switch disconnects the connection with liquid electrolyte battery core, is powered using solid electrolyte battery core.
Fig. 7 is another flow chart of battery application method embodiment provided in an embodiment of the present invention, as shown in fig. 7, this hair
The battery application method that bright embodiment provides can also include the following steps on the basis of foregoing teachings:
506, the temperature of the solid electrolyte battery core detected is sent to battery management unit.
It is understood that in embodiments of the present invention, it can be to solid electrolyte battery core by battery management unit
Temperature range is judged, then according to the different temperature ranges where solid electrolyte battery core, is sent not to change-over switch
Same instruction.Specifically, if the temperature of solid electrolyte battery core is more than or equal to the first temperature threshold and is less than or equal to
Second temperature threshold value, execute step 507, if the temperature of the solid electrolyte battery core be more than second temperature threshold value, and be less than or
Person is equal to third temperature threshold, executes step 508, if the temperature of the solid electrolyte battery core is more than third temperature threshold, and
Less than or equal to the 4th temperature threshold, step 509 is executed.
507, the first instruction that battery management unit is sent is received.
So that the first instruction conducting liquid electrolyte battery core that change-over switch is sent according to battery management unit, uses liquid
Electrolyte battery core is powered.
508, the second instruction that battery management unit is sent is received.
So that the second instruction conducting solid electrolyte battery core and liquid that change-over switch is sent according to battery management unit
Electrolyte battery core is powered simultaneously using solid electrolyte battery core and liquid electrolyte battery core.
509, the third instruction that battery management unit is sent is received.
So that the third instruction that change-over switch is sent according to battery management unit disconnects the connection with liquid electrolyte battery core,
It is powered using solid electrolyte battery core.Battery application method provided in an embodiment of the present invention, solid-state is detected by temperature sensor
The temperature of electrolyte battery core, and be output to the outside using change-over switch adjustment battery system according to the temperature of solid electrolyte battery core
The mode of electric energy realizes the battery enable with both the above battery core, compared to a kind of only liquid electrolyte battery core 1
Battery system for, have the effect of higher energy density, in addition, the meeting in discharge process using liquid electrolyte battery core
Heat is generated, is heated for solid electrolyte battery core using the heat, is improved capacity usage ratio, solve in the prior art make
With the relatively low problem of the battery energy density of single liquid electrolyte lithium-ion electric core.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that:Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement;And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (16)
1. a kind of battery, which is characterized in that including:Liquid electrolyte battery core and solid electrolyte battery core;The liquid electrolyte
Battery core can carry out heat transfer with the solid electrolyte battery core.
2. battery according to claim 1, which is characterized in that the liquid electrolyte battery core and solid electrolyte electricity
Core contacts, alternatively, being connected by heat conducting pipe between the liquid electrolyte battery core and the solid electrolyte battery core.
3. battery according to claim 1, which is characterized in that the liquid electrolyte battery core have it is N number of, N be more than or
Integer equal to 2;The solid electrolyte battery core has N number of, and the N is integer more than or equal to 2;
The liquid electrolyte battery core of specified quantity and the solid electrolyte battery core interval of specified quantity are arranged.
4. battery according to claim 1, which is characterized in that the liquid electrolyte battery core have it is N number of, N be more than or
Integer equal to 2;The solid electrolyte battery core has 1;
The solid electrolyte battery core is wrapped in the side wall of the liquid electrolyte battery core, alternatively,
The solid electrolyte battery core is wrapped in the side wall of the liquid electrolyte battery core with " snakelike ", by the liquid electrolyte
Battery core is spaced apart according to specified quantity.
5. battery according to any one of claims 1 to 4, which is characterized in that the liquid electrolyte battery core is cobalt acid
One kind in lithium cell, lithium nickelate battery core, mangaic acid lithium cell, LiFePO4 battery core and nickle cobalt lithium manganate battery core.
6. battery according to any one of claims 1 to 4, which is characterized in that the solid electrolyte battery core is polymerization
Object solid lithium ion battery core, the polymer solid lithium-ion electric core by polyether system, polyacrylonitrile, polymethacrylates,
One or more of composition matrixes in polyvinylidene fluoride, makrolon, polysilane, polystyrene and its block polymer.
7. a kind of battery system, which is characterized in that including:Temperature sensor, change-over switch and such as claim 1~6 are any
Battery described in;
The change-over switch respectively in the battery liquid electrolyte battery core and solid electrolyte battery core connect;
The temperature sensor is connect with the solid electrolyte battery core and change-over switch respectively.
8. battery system according to claim 7, which is characterized in that the battery system further includes:Battery management unit;
The battery management unit is connect with the battery.
9. battery system according to claim 7, which is characterized in that the battery system further includes:Temperature management unit;
The temperature management unit is connect with the battery.
10. the system according to any one of claim 7~9, which is characterized in that the battery system further includes:Power
Unit;
The power unit is connect with the change-over switch.
11. a kind of battery application method, applied to the battery for including solid electrolyte battery core and liquid electrolyte battery core, feature
It is, the method includes:
Temperature in use sensor detects the temperature of solid electrolyte battery core;
If the temperature of solid electrolyte battery core is more than or equal to the first temperature threshold and is less than or equal to second temperature threshold value,
The liquid electrolyte battery core is connected in change-over switch, is powered using the liquid electrolyte battery core;
If the temperature of the solid electrolyte battery core is more than second temperature threshold value, and is less than or equal to third temperature threshold, turn
Solid electrolyte battery core described in switch conduction and the liquid electrolyte battery core are changed, the solid electrolyte battery core and institute are used
It states liquid electrolyte battery core while powering;
If the temperature of the solid electrolyte battery core is more than third temperature threshold, and is less than or equal to the 4th temperature threshold, turn
The connection of switch disconnection and the liquid electrolyte battery core is changed, the solid electrolyte battery core is used to power;
4th temperature threshold is more than the third temperature threshold, and the third temperature threshold is more than the second temperature threshold
Value, the second temperature threshold value are more than first temperature threshold.
12. according to the method for claim 11, which is characterized in that detect solid electrolyte battery core in temperature in use sensor
Temperature after, the method further includes:
The temperature of the solid electrolyte battery core detected is sent to battery management unit.
13. according to the method for claim 11, which is characterized in that the liquid electrolyte electricity is connected in the change-over switch
Core, including:
Receive the first instruction that the battery management unit is sent;
The liquid electrolyte battery core is connected according to first instruction in the change-over switch.
14. according to the method for claim 11, which is characterized in that the solid electrolyte battery core is connected in the change-over switch
And the liquid electrolyte battery core, including:
Receive the second instruction that the battery management unit is sent;
The liquid electrolyte battery core and the liquid electrolyte battery core is connected according to second instruction in the change-over switch.
15. according to the method for claim 11, which is characterized in that change-over switch disconnects and the liquid electrolyte battery core
Connection, including:
Receive the third instruction that the battery management unit is sent;
The change-over switch disconnects the connection with the liquid electrolyte battery core according to third instruction.
16. the method according to any one of claim 11~15, which is characterized in that first temperature threshold be located at-
Between 45 DEG C Dao -35 DEG C;
The second temperature threshold value is between 35 DEG C to 45 DEG C;
The third temperature threshold is between 55 DEG C to 65 DEG C;
4th temperature threshold is between 115 DEG C to 125 DEG C.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710236590.1A CN108695565A (en) | 2017-04-12 | 2017-04-12 | Battery, battery system and battery using method |
| PCT/CN2017/093196 WO2018188223A1 (en) | 2017-04-12 | 2017-07-17 | Battery, battery system and using method for the battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710236590.1A CN108695565A (en) | 2017-04-12 | 2017-04-12 | Battery, battery system and battery using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108695565A true CN108695565A (en) | 2018-10-23 |
Family
ID=63792263
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710236590.1A Pending CN108695565A (en) | 2017-04-12 | 2017-04-12 | Battery, battery system and battery using method |
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| Country | Link |
|---|---|
| CN (1) | CN108695565A (en) |
| WO (1) | WO2018188223A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011100622A (en) * | 2009-11-06 | 2011-05-19 | Toyota Motor Corp | Solid battery system |
| CN102610858A (en) * | 2012-03-06 | 2012-07-25 | 宁德新能源科技有限公司 | Lithium ion battery and preparation method thereof |
| CN103531840A (en) * | 2013-11-01 | 2014-01-22 | 中国科学院上海硅酸盐研究所 | Double-electrolyte system lithium sulphur battery and preparing method thereof |
| CN105990609A (en) * | 2015-02-03 | 2016-10-05 | 微宏动力系统（湖州）有限公司 | Battery pack |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130118716A (en) * | 2012-04-20 | 2013-10-30 | 주식회사 엘지화학 | Electrode assembly, battery cell and device comprising the same |
-
2017
- 2017-04-12 CN CN201710236590.1A patent/CN108695565A/en active Pending
- 2017-07-17 WO PCT/CN2017/093196 patent/WO2018188223A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011100622A (en) * | 2009-11-06 | 2011-05-19 | Toyota Motor Corp | Solid battery system |
| CN102610858A (en) * | 2012-03-06 | 2012-07-25 | 宁德新能源科技有限公司 | Lithium ion battery and preparation method thereof |
| CN103531840A (en) * | 2013-11-01 | 2014-01-22 | 中国科学院上海硅酸盐研究所 | Double-electrolyte system lithium sulphur battery and preparing method thereof |
| CN105990609A (en) * | 2015-02-03 | 2016-10-05 | 微宏动力系统（湖州）有限公司 | Battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018188223A1 (en) | 2018-10-18 |
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