CN110767870A - Liquid supplementing type lithium ion battery - Google Patents
Liquid supplementing type lithium ion battery Download PDFInfo
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- CN110767870A CN110767870A CN201911046042.8A CN201911046042A CN110767870A CN 110767870 A CN110767870 A CN 110767870A CN 201911046042 A CN201911046042 A CN 201911046042A CN 110767870 A CN110767870 A CN 110767870A
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- main reaction
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
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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
- H01M10/058—Construction or manufacture
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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
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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
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model belongs to the technical field of the battery, especially, relate to a fluid infusion formula lithium ion battery, including battery case and fluid infusion mechanism, be formed with the main reaction district in the battery case, main reaction district internal storage has and is used for being used for by anodal and the absorptive reaction electrolyte of battery negative pole, fluid infusion mechanism sets up in the battery case, and the liquid outlet and the main reaction district of fluid infusion mechanism are linked together, when reaction electrolyte is absorbed the consumption by anodal or battery negative pole of battery, fluid infusion mechanism siphons free electrolyte to the main reaction district in through the effect of pressure differential, so that free electrolyte and reaction electrolyte are mixed. Therefore, when the pressure in the main reaction zone is reduced, the liquid supplementing mechanism siphons the free electrolyte into the main reaction zone under the action of pressure difference and mixes the free electrolyte with the reaction electrolyte in the main reaction zone, so that the consumed reaction electrolyte is effectively compensated, the dynamic balance of the reaction electrolyte in the main reaction zone is maintained, and the cycle service life of the liquid supplementing type lithium ion battery is obviously prolonged.
Description
Technical Field
The application belongs to the technical field of batteries, and particularly relates to a liquid supplementing type lithium ion battery.
Background
The lithium ion battery has the advantages of high energy density, high voltage and environmental protection, and gradually replaces the traditional energy industry in recent years, and is in a development situation like bamboo shoots in spring after rain. When the lithium ion battery runs, the redox reaction which is circularly reciprocated needs to be carried out through the electrolyte.
In the prior art, the electrolyte in the lithium ion battery is continuously consumed along with the increase of the number of the circulating reaction times, and the lithium ion battery is in an absolute sealing environment, the consumed electrolyte cannot be effectively supplemented, so that the internal resistance of the battery is increased, and the circulating life of the battery is further reduced.
Content of application
An object of the application is to provide a fluid infusion formula lithium ion battery, aim at solving the lithium ion battery during operation among the prior art, the electrolyte that consumes can't obtain replenishing, and then leads to the technical problem that the cycle life of battery descends.
In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a fluid infusion formula lithium ion battery, includes battery case and the fluid infusion mechanism who is used for storing free electrolyte, be formed with the main reaction district in the battery case, main reaction district is internal to be stored and is used for by anodal and the absorptive reaction electrolyte of battery negative pole, fluid infusion mechanism set up in the battery case, just the liquid outlet of fluid infusion mechanism with the main reaction district is linked together, reaction electrolyte quilt the battery is anodal or when the battery negative pole absorbs the consumption, fluid infusion mechanism will through the effect of pressure differential free electrolyte siphon extremely in the main reaction district, so that free electrolyte with reaction electrolyte liquid phase mixing.
Optionally, the liquid replenishing mechanism is disposed in the main reaction zone and is immersed in the reaction electrolyte.
Optionally, the number of the liquid replenishing mechanisms is two, and the two liquid replenishing mechanisms are respectively arranged on two opposite sides of the main reaction zone.
Optionally, the number of the liquid replenishing mechanisms is four, and the four liquid replenishing mechanisms are respectively arranged at four corners of the main reaction zone.
Optionally, the liquid replenishing mechanism is a porous graphene member, and the porous graphene member is disposed in the main reaction area and is formed with a plurality of microporous structures for storing the free electrolyte.
Optionally, the liquid replenishing mechanism is a foamed ceramic piece, the foamed ceramic piece is arranged in the main reaction zone, and a plurality of microporous structures for storing the free electrolyte are formed.
Optionally, the liquid replenishing mechanism is a reservoir made of a microporous membrane, and the reservoir is disposed in the main reaction zone and is used for storing the free electrolyte.
Optionally, the fluid infusion mechanism is a fluid reservoir, and the fluid reservoir is disposed outside the main reaction area and is communicated with the main reaction area through a connecting pipe.
Optionally, a slow release mechanism is sealed at one end of the connecting pipe extending into the main reaction zone, and the slow release mechanism is a capillary tube, a microporous membrane or a sealing cap with a plurality of slow release micropores formed on the surface.
Optionally, the liquid replenishing mechanism is disposed outside the main reaction zone and is communicated with the main reaction zone.
The beneficial effect of this application: the utility model provides a fluid infusion formula lithium ion battery, in operation, the redox reaction takes place for reaction electrolyte and battery positive pole and battery negative pole in its main reaction zone, thereby be absorbed gradually, the pressure reduction in the main reaction zone this moment, and because the existence of fluid infusion mechanism, free electrolyte has been deposited to its internal storage, and its liquid outlet and main reaction zone are linked together, when main reaction zone internal pressure reduces like this, fluid infusion mechanism can be because the effect of pressure differential and with free electrolyte siphon to main reaction zone in, mix with the reaction electrolyte liquid in the main reaction zone, thereby realize the effective compensation to the reaction electrolyte who consumes, maintain the dynamic balance of reaction electrolyte in the main reaction zone, and then the circulation life who has showing the extension fluid infusion formula lithium ion battery.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a first structural schematic diagram of a fluid replacement type lithium ion battery provided in an embodiment of the present application;
fig. 2 is a structural schematic diagram ii of a liquid-replenishment lithium ion battery provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram three of a fluid replacement type lithium ion battery provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of a sealing cap of a fluid replacement type lithium ion battery provided in an embodiment of the present application.
Wherein, in the figures, the respective reference numerals:
10-battery shell 11-main reaction zone 12-battery anode
13-battery cathode 14-inner shell 15-outer shell
20-fluid infusion mechanism 21-reservoir 22-connecting pipe
23-sealing cap 24-slow release micropores.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-4 are exemplary and intended to be used to illustrate the present application and should not be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1 to 3, an embodiment of the present application provides a liquid replenishing type lithium ion battery, which includes a battery case 10 and a liquid replenishing mechanism 20 for storing a free electrolyte. Specifically, a main reaction region 11 is formed in the battery case 10, and a reaction electrolyte for absorption by the battery positive electrode 12 and the battery negative electrode 13 is stored in the main reaction region 11. The reaction electrolyte is also called a liquid retention solution, and refers to an electrolyte which directly reacts with the positive electrode 12 or the negative electrode of the battery in the lithium ion battery. The lithium ion battery cannot be charged excessively when the electrolyte is charged for the first time. The reaction electrolyte is pre-stored in the main reaction zone 11, and when the lithium ion battery works, the reaction electrolyte reacts with the battery anode 12 and the battery cathode 13 of the lithium ion battery through a diaphragm microporous structure arranged in the battery. Optionally, the primary reaction zone 11 is arranged hermetically inside the lithium ion battery to block moisture and dust from entering the air. Liquid supplementing mechanism 20 sets up in battery case 10, and the liquid outlet and the main reaction zone 11 of liquid supplementing mechanism 20 are linked together, reaction electrolyte is by anodal 12 of battery or battery negative pole 13 absorption consumption time, the dynamic balance of the interior liquid pressure of liquid supplementing mechanism and main reaction zone is broken, the pressure of free electrolyte in the liquid supplementing mechanism is greater than the pressure of reaction electrolyte in the main reaction zone, and then liquid supplementing mechanism 20 forms the siphon effect through the effect of pressure differential, with free electrolyte siphon to main reaction zone 11 in, so that free electrolyte and reaction electrolyte are mixed.
The following further describes the liquid-replenishing lithium ion battery provided in the embodiment of the present application: the embodiment of the application provides a liquid supplementing type lithium ion battery, in operation, the reaction electrolyte in its main reaction zone 11 takes place redox reaction with battery positive pole 12 and battery negative pole 13, thereby be absorbed gradually, the pressure in main reaction zone 11 reduces this moment, and because the existence of liquid supplementing mechanism 20, free electrolyte has been deposited to its internal storage, and its liquid outlet and main reaction zone 11 are linked together, when main reaction zone 11 internal pressure reduces like this, liquid supplementing mechanism 20 can be owing to the effect of pressure differential and with free electrolyte siphon to main reaction zone 11 in, mix with the reaction electrolyte liquid in the main reaction zone 11, thereby realize the effective compensation to the reaction electrolyte who consumes, maintain the dynamic balance of reaction electrolyte in the main reaction zone 11, and then the circulation life of liquid supplementing type lithium ion battery has been showing to have prolonged.
In another embodiment of the present application, as shown in fig. 2 and 3, the fluid replacement mechanism 20 is disposed outside the main reaction zone 11 and is in communication with the main reaction zone 11. Specifically, when the fluid infusion mechanism 20 is specifically arranged, it may be arranged outside the main reaction area 11, and does not occupy the liquid storage space of the main reaction area 11, so that more space is provided in the main reaction area 11 to accommodate the reaction electrolyte, thereby further prolonging the cycle life of the fluid infusion lithium ion battery.
Alternatively, when the fluid infusion mechanism 20 is disposed outside the main reaction region 11, the battery case 10 may be a double-layer arrangement, in which the main reaction region 11 is formed in the inner case 14 of the battery case 10, and the fluid infusion mechanism 20 is hermetically disposed between the inner case 14 and the outer case 15 and connected to the main reaction region 11 through a hose, so that the pressure of the main reaction region 11 decreases with the consumption of the reaction electrolyte, and the free electrolyte in the fluid infusion mechanism 20 can permeate into the main reaction region 11 through the hose under the action of the pressure difference, thereby implementing fluid infusion of the reaction electrolyte.
In another embodiment of the present application, as shown in FIG. 1, the replenishment mechanism 20 is disposed in the main reaction zone 11 and is submerged in the reaction electrolyte. Specifically, as another specific arrangement form of the liquid replenishing mechanism 20, by arranging the liquid replenishing mechanism 20 in the main reaction zone 11, the liquid replenishing mechanism 20 can be communicated with the main reaction zone 11 without a hose, and the free electrolyte in the liquid replenishing mechanism 20 can directly permeate into the main reaction zone 11 by a pressure difference and is mixed with the reaction electrolyte tank in the main reaction zone 11. Therefore, on one hand, the structural complexity of the liquid supplementing mechanism 20 is reduced, and further, the overall manufacturing cost of the liquid supplementing type lithium ion battery is also reduced. On the other hand, the space occupancy rate of the liquid supplementing mechanism 20 is also reduced, so that the whole volume of the liquid supplementing type lithium ion battery can be reduced as much as possible.
In another embodiment of the present application, as shown in fig. 3, the number of the liquid replenishing means 20 is two, and the two liquid replenishing means 20 are respectively disposed at two opposite sides of the main reaction zone 11. Specifically, by providing two fluid infusion mechanisms 20 and making the two fluid infusion mechanisms 20 respectively disposed on two opposite sides of the main reaction area 11, the two fluid infusion mechanisms 20 can simultaneously deliver free electrolyte to the main reaction area 11, so as to achieve fluid infusion of the reaction electrolyte in a short time, and make the concentration of the reaction electrolyte return to a dynamic equilibrium state in a short time after the reaction electrolyte is consumed. And further, the performance of the liquid-replenishing lithium ion battery is not reduced in the long-term use process.
Alternatively, the two liquid replenishing mechanisms 20 may be disposed on two opposite sides of the exterior of the main reaction zone 11 and connected to the main reaction zone 11 through hoses, or the two liquid replenishing mechanisms 20 may be disposed on two opposite sides of the interior of the main reaction zone 11 and directly immersed in the reaction electrolyte.
In another embodiment of the present application, as shown in fig. 1, the number of the liquid replenishing means 20 is four, and four liquid replenishing means 20 are respectively disposed at four corners of the main reaction zone 11. Specifically, as another layout form of the fluid infusion mechanism 20, the four fluid infusion mechanisms 20 are respectively disposed at four corners of the main reaction region 11, so that on one hand, the time required for the concentration of the reaction electrolyte to return to the dynamic balance state is further shortened, and on the other hand, the fluid infusion mechanism 20 can uniformly deliver the free electrolyte to the main reaction region 11, so that the concentration of the reaction electrolyte passing through the fluid infusion in the main reaction region 11 is ensured to be consistent, and thus, the performance of the fluid infusion type lithium ion battery tends to be stable.
In another embodiment of the present application, the fluid infusion mechanism 20 is a porous graphene member (not shown), and the porous graphene is disposed in the main reaction zone 11 and is formed with a plurality of micro-porous structures for storing free electrolyte. Specifically, through setting up fluid infusion mechanism 20 to porous graphene spare, benefit from the good toughness and the intensity of graphite alkene like this, it provides stable storage environment for free electrolyte, and graphite alkene has good adsorptivity and desorption nature, free electrolyte like this can permeate freely in the micropore of porous graphite alkene spare under the pressure differential effect and export to main reaction zone 11 in, guaranteed the smooth and easy of free electrolyte fluid infusion process and gone on.
In another embodiment of the present application, the fluid infusion mechanism 20 is a foamed ceramic member (not shown) disposed in the main reaction zone 11 and formed with a plurality of micro-porous structures for storing free electrolyte. Specifically, fluid infusion mechanism 20 can also be the foamed ceramic spare, through setting up fluid infusion mechanism 20 into the foamed ceramic spare, benefit from then that foamed ceramic has good high temperature and low temperature resistant performance, and it can be stably in active service in the lithium cell. On the other hand, the porosity of foamed ceramic can reach about 95%, so also make it can store more free electrolyte, and then promoted the free electrolyte's in the fluid infusion mechanism 20 unit volume memory space.
In another embodiment of the present application, as shown in fig. 2 and 3, the fluid replacement mechanism 20 is a reservoir 21 made of a microporous membrane, and the reservoir 21 is disposed in the main reaction zone 11 and is used for storing free electrolyte. Specifically, as another alternative form of the fluid replacement mechanism 20, by setting it as the reservoir 21 made of a microporous membrane, the reservoir 21 can store more free electrolyte, thereby further ensuring the amount of the liquid stored in the fluid replacement mechanism 20, and when there is a pressure difference between the inside and the outside of the reservoir 21, the free electrolyte in the reservoir 21 can permeate into the main reaction region 11 through the microporous membrane of the reservoir 21.
Optionally, the microporous membrane is a reverse osmosis membrane, so that the free electrolyte can only permeate into the main reaction region 11 from the reservoir 21, but cannot permeate back into the reservoir 21 from the main reaction region 11, thereby significantly improving the utilization rate of the free electrolyte in the reservoir 21, and enabling the free electrolyte to be supplemented into the main reaction region 11 as much as possible.
In another embodiment of the present application, as shown in fig. 2 and 3, the fluid infusion mechanism 20 is a reservoir 21, and the reservoir 21 is disposed outside the main reaction zone 11 and is communicated with the main reaction zone 11 through a connection tube 22. Specifically, as another arrangement of the reservoir 21, it may also be disposed outside the main reaction area 11 and communicated with the main reaction area 11 through the connecting tube 22, so that on one hand, the accommodating space of the free electrolyte can be increased, and on the other hand, the accommodating space of the main reaction area 11 is not occupied. When the reservoir 21 is disposed outside the main reaction region 11, the wall thereof is a sealing film to prevent leakage of the free electrolyte.
In another embodiment of the present application, as shown in fig. 3 and fig. 4, a slow release mechanism is sealed at one end of the connecting tube 22 extending into the main reaction zone 11, and the slow release mechanism is a capillary tube, a microporous membrane or a sealing cap 23 having a plurality of slow release micropores on the surface. Specifically, the sealing cap 23 is disposed at one end of the connecting pipe 22 extending into the main reaction zone 11, and the slow-release micropores 24 are formed on the sealing cap 23, so that the free electrolyte can be slowly released into the main reaction zone 11 through the slow-release micropores 24 under the action of the pressure difference.
Optionally, as an alternative form of the sealing cap 23, a microporous membrane or a capillary tube is disposed at an end of the connecting pipe 22 extending into the main reaction zone 11, so that the rate of slow release of the free electrolyte into the main reaction zone 11 can be further controlled not to be too fast, and thus the speed of supplementing the free electrolyte to the reaction electrolyte can be stable and controllable.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. A fluid infusion type lithium ion battery is characterized in that: including battery case and the fluid infusion mechanism who is used for storing free electrolyte, be formed with the main reaction district in the battery case, main reaction district is internal to be stored and is used for by anodal and the absorptive reaction electrolyte of battery negative pole, fluid infusion mechanism set up in the battery case, just fluid infusion mechanism's liquid outlet with the main reaction district is linked together, reaction electrolyte quilt the battery is anodal or during the battery negative pole absorbs the consumption, fluid infusion mechanism will through the effect of pressure differential free electrolyte siphon extremely in the main reaction district, so that free electrolyte with the reaction electrolyte liquid phase mixes.
2. The flooded lithium ion battery of claim 1, wherein: the liquid supplementing mechanism is arranged in the main reaction area and is immersed in the reaction electrolyte.
3. The flooded lithium ion battery of claim 1, wherein: the number of the liquid supplementing mechanisms is two, and the two liquid supplementing mechanisms are respectively arranged on two opposite sides of the main reaction zone.
4. The flooded lithium ion battery of claim 3, wherein: the liquid supplementing mechanisms are four in number and are respectively arranged at four corners of the main reaction zone.
5. The flooded lithium ion battery of claim 1, wherein: the liquid supplementing mechanism is a porous graphene piece, the porous graphene is arranged in the main reaction area, and a plurality of microporous structures used for storing the free electrolyte are formed.
6. A liquid-replenishing lithium ion battery according to any one of claims 1 to 5, characterized in that: the liquid supplementing mechanism is a foamed ceramic piece which is arranged in the main reaction area and is provided with a plurality of microporous structures for storing the free electrolyte.
7. A liquid-replenishing lithium ion battery according to any one of claims 1 to 5, characterized in that: the liquid supplementing mechanism is a liquid storage bag made of a microporous membrane, and the liquid storage bag is arranged in the main reaction area and used for storing the free electrolyte.
8. A liquid-replenishing lithium ion battery according to any one of claims 1 to 5, characterized in that: the liquid supplementing mechanism is a liquid storage bag which is arranged outside the main reaction area and communicated with the main reaction area through a connecting pipe.
9. The flooded lithium ion battery of claim 8, wherein: the end of the connecting pipe extending into the main reaction zone is provided with a slow release mechanism in a sealing way, and the slow release mechanism is a capillary tube, a microporous film or a sealing cap provided with a plurality of slow release micropores on the surface.
10. A liquid-replenishing lithium ion battery according to any one of claims 1 to 5, characterized in that: the liquid supplementing mechanism is arranged outside the main reaction zone and communicated with the main reaction zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911046042.8A CN110767870A (en) | 2019-10-30 | 2019-10-30 | Liquid supplementing type lithium ion battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911046042.8A CN110767870A (en) | 2019-10-30 | 2019-10-30 | Liquid supplementing type lithium ion battery |
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| CN110767870A true CN110767870A (en) | 2020-02-07 |
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| CN201911046042.8A Pending CN110767870A (en) | 2019-10-30 | 2019-10-30 | Liquid supplementing type lithium ion battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113764839A (en) * | 2021-08-17 | 2021-12-07 | 珠海冠宇电池股份有限公司 | Pole piece and lithium battery |
| CN114361568A (en) * | 2022-01-06 | 2022-04-15 | 烟台大学 | Low-temperature lithium ion battery |
-
2019
- 2019-10-30 CN CN201911046042.8A patent/CN110767870A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113764839A (en) * | 2021-08-17 | 2021-12-07 | 珠海冠宇电池股份有限公司 | Pole piece and lithium battery |
| CN114361568A (en) * | 2022-01-06 | 2022-04-15 | 烟台大学 | Low-temperature lithium ion battery |
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