CN109713371B - Ternary lithium battery - Google Patents
Ternary lithium battery Download PDFInfo
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- CN109713371B CN109713371B CN201811592934.3A CN201811592934A CN109713371B CN 109713371 B CN109713371 B CN 109713371B CN 201811592934 A CN201811592934 A CN 201811592934A CN 109713371 B CN109713371 B CN 109713371B
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- Prior art keywords
- lithium battery
- positive electrode
- positive
- plate
- negative
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 32
- 239000003990 capacitor Substances 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims description 10
- 229910044991 metal oxide Inorganic materials 0.000 claims description 10
- 150000004706 metal oxides Chemical class 0.000 claims description 10
- 239000011533 mixed conductor Substances 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 239000007774 positive electrode material Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011206 ternary composite Substances 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- PFYQFCKUASLJLL-UHFFFAOYSA-N [Co].[Ni].[Li] Chemical compound [Co].[Ni].[Li] PFYQFCKUASLJLL-UHFFFAOYSA-N 0.000 description 1
- HFCVPDYCRZVZDF-UHFFFAOYSA-N [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O Chemical compound [Li+].[Co+2].[Ni+2].[O-][Mn]([O-])(=O)=O HFCVPDYCRZVZDF-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 150000002696 manganese Chemical class 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Images
Classifications
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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
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- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The application provides a ternary lithium battery, ternary lithium battery includes: positive plate, negative plate and diaphragm, wherein, this diaphragm sets up between positive plate and negative plate, the positive plate comprises n positive cell board parallel connection, and every positive cell board includes: the lithium battery comprises a capacitor layer, a lithium battery positive electrode layer and a positive electrode current collector, wherein the capacitor layer and the lithium battery positive electrode layer are respectively covered on the negative surface and the positive surface of the positive electrode current collector, and n is an integer greater than or equal to 2. The technical scheme that this application provided has the high advantage of security.
Description
Technical Field
The application relates to the field of new energy, in particular to a ternary lithium battery.
Background
In the prior art, a ternary polymer lithium battery refers to a lithium battery [1] of which the positive electrode material is a ternary positive electrode material of nickel cobalt lithium manganate (li (nicomn) O2) or nickel cobalt lithium aluminate, wherein the ternary composite positive electrode material is prepared from nickel salt, cobalt salt and manganese salt, the proportion of nickel, cobalt and manganese in the ternary composite positive electrode material can be adjusted according to actual needs, and the conventional ternary lithium battery has poor safety due to the problem of a positive electrode plate.
Content of application
The embodiment of the application provides a ternary lithium battery, and the safety of the ternary lithium battery is improved by adjusting a positive plate.
In a first aspect, an embodiment of the present application provides a ternary lithium battery, including: positive plate, negative plate and diaphragm, wherein, this diaphragm sets up between positive plate and negative plate, the positive plate comprises n positive cell board parallel connection, and every positive cell board includes: the lithium battery comprises a capacitor layer, a lithium battery positive electrode layer and a positive electrode current collector, wherein the capacitor layer and the lithium battery positive electrode layer are respectively covered on the negative surface and the positive surface of the positive electrode current collector, and n is an integer greater than or equal to 2.
Optionally, the negative plate comprises: conductors and metal oxides.
Optionally, the mass ratio between the conductor and the metal oxide is 1: 10.
Optionally, the metal oxide comprises, by mass:
the sum of the mass percentages of the components is 100 percent.
Optionally, the conductor is a hybrid conductor.
Optionally, the mixed conductor is an ABO3 type composite oxide containing a rare earth element as a main component.
The embodiment of the application has the following beneficial effects:
it can be seen that the ternary lithium battery provided by the application is provided with n positive plate units connected in parallel, so that the n positive plate units can independently operate, and the safety of the ternary lithium battery is improved.
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 description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are 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 creative efforts.
Fig. 1 is a schematic structural diagram of a ternary lithium battery provided in an embodiment of the present application.
Fig. 2 is a schematic diagram of a structure of a positive electrode plate according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, fig. 1 provides a ternary lithium battery including: a positive electrode plate 10, a negative electrode plate 11, and a separator 12, wherein the separator 12 is provided between the positive electrode plate 10 and the negative electrode plate 11, the positive electrode plate 10 is configured by connecting n positive electrode unit plates 101 in parallel as shown in fig. 2, and each positive electrode unit plate 101 includes: the lithium battery comprises a capacitor layer, a lithium battery positive electrode layer and a positive electrode current collector, wherein the capacitor layer and the lithium battery positive electrode layer are respectively covered on the negative surface and the positive surface of the positive electrode current collector. N is an integer of 2 or more.
Referring to fig. 1 and 2, since the positive electrode plate is divided into n positive electrode unit plates connected in parallel, theoretically, any one positive electrode unit plate can perform a partial function as long as it is normal and is generally not covered with an electrolyte during operation, and safety of the lithium battery can be improved compared to an overall structure.
Optionally, the negative electrode plate includes: conductors and metal oxides.
Optionally, the mass percentages (total 100%) of the metal oxides may include:
the composition of the metal oxide can prolong the service life of the negative plate of the lithium battery and reduce the oxidation degree.
Alternatively, the conductor may be a mixed conductor, and the mixed conductor may be an ABO3 type composite oxide containing a rare earth element as a main component.
The mass ratio of the conductor to the metal oxide is 1: 10.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (3)
1. A ternary lithium battery comprising: a positive electrode plate, a negative electrode plate, and a separator provided between the positive electrode plate and the negative electrode plate,
the positive plate comprises n anodal cell boards parallel connection, and every anodal cell board includes: the lithium battery comprises a capacitor layer, a lithium battery positive electrode layer and a positive electrode current collector, wherein the capacitor layer and the lithium battery positive electrode layer are respectively covered on the negative surface and the positive surface of the positive electrode current collector, and n is an integer greater than or equal to 2; the negative plate includes: conductors and metal oxides; the mass ratio of the conductor to the metal oxide is 1: 10; the metal oxide comprises the following components in percentage by mass:
the sum of the mass percentages of the components is 100 percent.
2. The ternary lithium battery of claim 1 wherein the conductor is a mixed conductor.
3. The ternary lithium battery according to claim 2, wherein the mixed conductor is an ABO3 type composite oxide containing a rare earth element as a main component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592934.3A CN109713371B (en) | 2018-12-25 | 2018-12-25 | Ternary lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811592934.3A CN109713371B (en) | 2018-12-25 | 2018-12-25 | Ternary lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109713371A CN109713371A (en) | 2019-05-03 |
| CN109713371B true CN109713371B (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811592934.3A Active CN109713371B (en) | 2018-12-25 | 2018-12-25 | Ternary lithium battery |
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| CN (1) | CN109713371B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847764A (en) * | 2010-02-26 | 2010-09-29 | 上海奥威科技开发有限公司 | High-specific-energy/high-specific-power type super battery |
| CN102983381A (en) * | 2012-11-06 | 2013-03-20 | 中国科学院大连化学物理研究所 | Energy storage device with interleaved distributed inner parallel structure |
| CN107666009A (en) * | 2016-07-28 | 2018-02-06 | 通用汽车环球科技运作有限责任公司 | The hybrid battery design of the Li-ion batteries piles and electrode for capacitors that are alternately stacked or wind |
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2018
- 2018-12-25 CN CN201811592934.3A patent/CN109713371B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101847764A (en) * | 2010-02-26 | 2010-09-29 | 上海奥威科技开发有限公司 | High-specific-energy/high-specific-power type super battery |
| CN102983381A (en) * | 2012-11-06 | 2013-03-20 | 中国科学院大连化学物理研究所 | Energy storage device with interleaved distributed inner parallel structure |
| CN107666009A (en) * | 2016-07-28 | 2018-02-06 | 通用汽车环球科技运作有限责任公司 | The hybrid battery design of the Li-ion batteries piles and electrode for capacitors that are alternately stacked or wind |
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| Publication number | Publication date |
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| CN109713371A (en) | 2019-05-03 |
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Effective date of registration: 20240515 Address after: 471514 Hugoumen Group, Yangshan Village, Heyu Town, Luanchuan County, Luoyang City, Henan Province Patentee after: Yang Xinpeng Country or region after: China Address before: 253 Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee before: ZHONGNAN NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE (NANJING) Co.,Ltd. Country or region before: China |