CN107910483A - A kind of lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently - Google Patents

A kind of lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently Download PDF

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Publication number
CN107910483A
CN107910483A CN201711129598.4A CN201711129598A CN107910483A CN 107910483 A CN107910483 A CN 107910483A CN 201711129598 A CN201711129598 A CN 201711129598A CN 107910483 A CN107910483 A CN 107910483A
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lithium
density
energy
ion battery
battery system
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高蕾
王可
程广玉
顾洪汇
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Shanghai Institute of Space Power Sources
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Shanghai Institute of Space Power Sources
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566—Liquid materials
    • H01M10/0567—Liquid materials characterised by the additives
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • 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

Abstract

The invention discloses a kind of lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, it includes：Positive active material, negative electrode active material, electrolyte and membrane；The positive active material of the lithium-ion battery system is high pressure cobalt acid lithium material, and charge cutoff voltage is 4.3 4.5V；The negative electrode active material is graphite.The present invention selects short grained high pressure lithium cobaltate cathode material, both ensure that the performance of high-energy-density, and had also improved high rate performance.Using soft carbon or hard carbon-coated Delanium, the common embedding of electrolyte solvent is prevented while playing its low temperature advantage.In electrolyte prescription, carbonate solvent combination, low temperature Synergistic additives and the high pressure resistant cycle stabilizer that can increase cryogenic property are introduced.The ceramic diaphragm of the present invention uses base material as dry method polyolefin film, one side coating nano ceramic coat, while its synergistic effect is to keep the high-air-permeability of film by dry method, conservation rate of the increase electrolyte in cyclic process.

Description

A kind of lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently
Technical field
The present invention relates to field of lithium ion battery, and in particular to a kind of lithium for having high-energy-density and ultralow temperature multiplying power discharging concurrently Ion battery systems.
Background technology
Lithium ion battery has the advantages that to have a safety feature, cycle life is high, light-weight.But since conventional lithium ion exists Discharge performance under low temperature is not fully up to expectations.Under low-temperature condition, diffusion of the lithium ion in electrolyte and positive and negative anodes pole piece Speed rapid drawdown, the viscosity increase of electrolyte, therefore cause battery not work normally.At present, in military unmanned air vehicle, electronic vapour The fields such as car, electric tool, lithium ion battery applications are more and more extensive.These fields require battery there is high-energy-density, can be with Work in the presence of a harsh environment.Conventional lithium ion battery can not gradually adapt to the demand in market.
Conventional lithium ion battery generally use cobalt acid lithium is as positive electrode at present.Although the low temperature and multiplying power of cobalt acid lithium Performance is classic in commercialization positive electrode at present, but the design capacity of cobalt acid lithium is relatively low, have impact on battery and compares energy The performance of amount.Common cobalt acid lithium charge cutoff voltage 4.2V, beyond this voltage range, material structure can cave in.
The content of the invention
The object of the present invention is to provide a kind of lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, with Make lithium ion battery that there is high-energy-density and can work in the presence of a harsh environment.
To reach above-mentioned purpose, the present invention provides a kind of lithium-ion electric for having high-energy-density and ultralow temperature multiplying power discharging concurrently Pond body system, it includes：Positive active material, negative electrode active material, electrolyte and membrane；The positive active material is high pressure cobalt Sour lithium；The negative electrode active material is graphite.
The above-mentioned lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, wherein, the high pressure cobalt acid The particle diameter D50 of lithium is 5-10 μm, charge cutoff voltage 4.3V-4.5V.
The above-mentioned lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, wherein, the graphite is soft Carbon or hard carbon-coated Delanium；The particle diameter D50 of the Delanium is 4-10 μm.
The above-mentioned lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, wherein, the electrolyte bag Include：The multicomponent solvent being made of a variety of linear carbonates, hexafluorophosphoric acid lithium electrolyte salt, low temperature Synergistic additives and high pressure are followed Ring stabilizer.
The above-mentioned lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, wherein, the multicomponent solvent Include ethylene carbonate, its mass fraction in multicomponent solvent is no more than 20%.
The above-mentioned lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, wherein, the multicomponent solvent Quaternary for ethylene carbonate (EC), diethyl carbonate (DEC), methyl ethyl carbonate (EMC) and dimethyl carbonate (DMC) composition is molten Agent.
The above-mentioned lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, wherein, the hexafluorophosphoric acid The solubility of lithium salts is 1.0-1.3mol/L.
The above-mentioned lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, wherein, the low temperature synergy Additive is fluorocarbons acid esters, its mass fraction in the electrolytic solution is no more than 5%；The cycle of higher pressure stabilizer is methane two Sulfonic acid methylene ester, tetraphenyl ammonification phosphine, three (hexafluoro isopropyl) phosphates, one kind in sulfuric acid vinyl ester, it is in the electrolytic solution Mass fraction be no more than 5%.
The above-mentioned lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, wherein, the membrane is pottery Porcelain membrane, its thickness are 14-20 μm.
The above-mentioned lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, wherein, the ceramic diaphragm Including base material and the ceramic layer being arranged on base material；The base material is polyalkene diaphragm；The thickness of the ceramic layer is 2-4 μm.
Relative to the prior art, the invention has the advantages that：
High pressure cobalt acid lithium is a kind of cobalt acid lithium material of modification, is that common cobalt acid lithium is coated or adulterated by surface Mode is modified, and improves its charge cutoff voltage, and design capacity can improve 20% or so, meet the mesh of high-energy-density of the present invention 's.
Therefore, the present invention selects short grained high pressure lithium cobaltate cathode material, and small particle (D50 is 5-10 μm) can provide Good multiplying power and cryogenic property.Using soft carbon or hard carbon-coated Delanium, prevented while playing its low temperature advantage Electrolyte solvent it is common embedding.In electrolyte prescription, the carbonate solvent combination that can increase cryogenic property is introduced, and use Fluorocarbons acid esters (FEC) and methane-disulfonic acid methylene ester, tetraphenyl ammonification phosphine, three (hexafluoro isopropyl) phosphates, sulfuric acid second Enester one kind therein is used as low temperature Synergistic additives and cycle of higher pressure stabilizer.The present invention ceramic diaphragm use base material for Dry method polyolefin film, one side coating nano ceramic coat, while its synergistic effect is to keep the high-air-permeability of film by dry method, increases Add conservation rate of the electrolyte in cyclic process.
Brief description of the drawings
Fig. 1 is the lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently that the embodiment of the present invention 1 provides The 5C discharge curves of made lithium ion battery.
Embodiment
Below in conjunction with attached drawing, by specific embodiment, the invention will be further described, these embodiments are merely to illustrate The present invention, is not limiting the scope of the invention.
The present invention provides a kind of lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, it includes： Positive active material, negative electrode active material, electrolyte and membrane；The positive active material is high pressure cobalt acid lithium；The anode Active material is graphite.
Preferably, the particle diameter D50 of the high pressure cobalt acid lithium is 5-10 μm, charge cutoff voltage 4.3-4.5V.
Preferably, the graphite is soft carbon or hard carbon-coated Delanium；The particle diameter D50 of the Delanium is 4-10 μm。
Preferably, the electrolyte includes：The multicomponent solvent being made of a variety of linear carbonates, hexafluorophosphoric acid lithium electrolyte Salt, low temperature Synergistic additives and cycle of higher pressure stabilizer.Low temperature Synergistic additives fusing point is low, and due in its molecular structure There is fluorine atom, be conducive to infiltrate electrode and membrane, battery capacity is played and cryogenic property is all highly beneficial.Cycle of higher pressure is stablized It can decompose and form a film in cathode under agent high pressure, reduce the content of LiF, increase the lithium ion ducting capacity of skin covering of the surface, suppress at the same time Decomposition of the electrolyte in positive electrode surface.
Preferably, the multicomponent solvent includes ethylene carbonate, its mass fraction in multicomponent solvent is no more than 20%.
Preferably, the multicomponent solvent for ethylene carbonate (EC), diethyl carbonate (DEC), methyl ethyl carbonate (EMC) and The quaternary solvent of dimethyl carbonate (DMC) composition.
Preferably, the solubility of the hexafluorophosphoric acid lithium salts is 1.0-1.3mol/L.
Preferably, the low temperature Synergistic additives are fluorocarbons acid esters, its mass fraction in the electrolytic solution is no more than 5%；The cycle of higher pressure stabilizer is methane-disulfonic acid methylene ester, tetraphenyl ammonification phosphine, three (hexafluoro isopropyl) phosphates, sulphur One kind in vinyl acetate, its mass fraction in the electrolytic solution are no more than 5%.
Preferably, the membrane is ceramic diaphragm, its thickness is 14-20 μm.
Preferably, the ceramic diaphragm includes base material and the ceramic layer being arranged on base material；The base material for polyolefin every Film；The thickness of the ceramic layer is 2-4 μm.
Embodiment 1
Present embodiments provide a kind of lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently.Cathode is adopted With the high pressure cobalt acid lithium that particle diameter D50 is 6 μm, charge cutoff voltage 4.4V.Anode uses soft carbon-coated Delanium, D50 For 8 μm.Electrolyte prescription is 1.2M LiPF6, EC/DEC/DMC/EMC components by weight is 15：25：25：35, perfluorocarbon acid Vinyl acetate additive level 5%, sulfuric acid vinyl ester content are 3%.It is single on the dry method polypropylene base that ceramic diaphragm is 12 microns Face is coated with 4 microns of nano-ceramic layer.
As shown in Figure 1, making the lithium ion battery of 5.6 ampere-hours according to above-mentioned system, be computed it is than energy 238Wh/kg.Battery 5C continuous discharges volumetric efficiency is the 80% of room temperature capacity at -40 DEG C.
In conclusion conventional lithium ion battery can not gradually adapt to the demand in market.The present invention develops one kind Have the lithium-ion battery system of high-energy-density and ultralow temperature multiplying power discharging property concurrently.This technology is realized, it is necessary to consider The factors such as the selection of positive and negative anodes active material, electrolyte prescription design, membrane synergy.In battery design, than energy more it is low more Be conducive to the performance of battery cryogenic property, therefore, the battery design of high-energy-density and low-temperature rate, is two opposite technologies Route.In order to preferably merge both features, the present invention have selected the high pressure lithium cobaltate cathode material of small particle, it is keeping While common cobalt acid lithium material at low temperature performance, due to the increase of charging voltage, design capacity improves very much, while little particle Particle diameter can also further improve low-temperature multiplying factor discharge performance.Using soft carbon or hard carbon-coated Delanium, it is low to play its The common embedding of electrolyte solvent is prevented while warm advantage.In electrolyte prescription, the carbonic acid that can increase cryogenic property is introduced Ester solvent combines, and uses low temperature Synergistic additives and cycle of higher pressure stabilizer.
In addition, current commercialization membrane is typically all dry method or wet method polyolefin film.The characteristics of film by dry method is micropore Curvature is small, and air permeability is high, is conducive to multiplying power discharging；The preferential of wet method film lays particular emphasis on the cyclical stability that micropore curvature is brought greatly, But equally also result in that air permeability is poor, influence the performance of high rate performance under low temperature.It is dry that the ceramic diaphragm of the present invention, which uses base material, Method polyolefin film, one side coating nano ceramic coat, while its synergistic effect is to keep the high-air-permeability of film by dry method, increase Conservation rate of the electrolyte in cyclic process.
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.

Claims (10)

  1. A kind of 1. lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently, it is characterised in that including：Cathode is lived Property material, negative electrode active material, electrolyte and membrane；The positive active material is high pressure cobalt acid lithium；The negative electrode active material Matter is graphite.
  2. 2. the lithium-ion battery system as claimed in claim 1 for having high-energy-density and ultralow temperature multiplying power discharging concurrently, its feature exist In the particle diameter D50 of the high pressure cobalt acid lithium is 5-10 μm, charge cutoff voltage 4.3V-4.5V.
  3. 3. the lithium-ion battery system as claimed in claim 1 for having high-energy-density and ultralow temperature multiplying power discharging concurrently, its feature exist In the graphite is soft carbon or hard carbon-coated Delanium；The particle diameter D50 of the Delanium is 4-10 μm.
  4. 4. the lithium-ion battery system as claimed in claim 1 for having high-energy-density and ultralow temperature multiplying power discharging concurrently, its feature exist In the electrolyte includes：The multicomponent solvent being made of a variety of linear carbonates, hexafluorophosphoric acid lithium electrolyte salt, low temperature synergy Additive and cycle of higher pressure stabilizer.
  5. 5. the lithium-ion battery system as claimed in claim 4 for having high-energy-density and ultralow temperature multiplying power discharging concurrently, its feature exist In the multicomponent solvent includes ethylene carbonate, its mass fraction in multicomponent solvent is no more than 20%.
  6. 6. the lithium-ion battery system as claimed in claim 4 for having high-energy-density and ultralow temperature multiplying power discharging concurrently, its feature exist In the quaternary solvent that the multicomponent solvent is ethylene carbonate, diethyl carbonate, methyl ethyl carbonate and dimethyl carbonate form.
  7. 7. the lithium-ion battery system as claimed in claim 4 for having high-energy-density and ultralow temperature multiplying power discharging concurrently, its feature exist In the solubility of the hexafluorophosphoric acid lithium electrolyte salt is 1.0-1.3mol/L.
  8. 8. the lithium-ion battery system as claimed in claim 4 for having high-energy-density and ultralow temperature multiplying power discharging concurrently, its feature exist In the low temperature Synergistic additives are fluorocarbons acid esters, its mass fraction in the electrolytic solution is no more than 5%；The high pressure is followed Ring stabilizer is methane-disulfonic acid methylene ester, tetraphenyl ammonification phosphine, three (hexafluoro isopropyl) phosphates, one in sulfuric acid vinyl ester Kind, its mass fraction in the electrolytic solution is no more than 5%.
  9. 9. the lithium-ion battery system as claimed in claim 1 for having high-energy-density and ultralow temperature multiplying power discharging concurrently, its feature exist In the membrane is ceramic diaphragm, its thickness is 14-20 μm.
  10. 10. the lithium-ion battery system as claimed in claim 1 for having high-energy-density and ultralow temperature multiplying power discharging concurrently, its feature exist In the ceramic diaphragm includes base material and the ceramic layer being arranged on base material；The base material is polyalkene diaphragm；The ceramic layer Thickness be 2-4 μm.
CN201711129598.4A 2017-11-15 2017-11-15 A kind of lithium-ion battery system for having high-energy-density and ultralow temperature multiplying power discharging concurrently Pending CN107910483A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109256589A (en) * 2018-09-20 2019-01-22 山东天瀚新能源科技有限公司 A kind of ultralow temperature rate lithium ion battery
CN109449387A (en) * 2018-09-28 2019-03-08 深圳市卓能新能源股份有限公司 A kind of lithium ion battery and preparation method thereof
CN109638212A (en) * 2018-11-20 2019-04-16 东莞锂威能源科技有限公司 A kind of high magnification fast charge lithium ion battery
CN109817886A (en) * 2018-12-29 2019-05-28 深圳市卓能新能源股份有限公司 Battery cathode sheet and preparation method thereof and lithium ion battery
CN110797530A (en) * 2019-09-26 2020-02-14 惠州锂威新能源科技有限公司 High-voltage lithium cobalt oxide graphite battery and preparation method thereof
CN110970658A (en) * 2018-09-28 2020-04-07 宁德时代新能源科技股份有限公司 Lithium ion battery
CN111525089A (en) * 2020-07-06 2020-08-11 长沙宝锋能源科技有限公司 Low-temperature lithium ion battery with energy density and safety
CN113517435A (en) * 2021-06-07 2021-10-19 江苏劲鹿新能源科技有限公司 Low-temperature lithium battery formula and sheet-making process

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012012713A2 (en) * 2010-07-23 2012-01-26 University Of Delaware Lithium batteries having anodes based on polythiocyanogen
CN102544586A (en) * 2010-12-10 2012-07-04 深圳市比克电池有限公司 Lithium ion battery preparation method and lithium ion battery
CN103311539A (en) * 2013-05-17 2013-09-18 深圳市慧通天下科技股份有限公司 High-voltage high-energy-density lithium ion battery
CN104319418A (en) * 2014-10-24 2015-01-28 东莞锂威能源科技有限公司 High capacity lithium ion battery
CN104393330A (en) * 2014-10-24 2015-03-04 东莞锂威能源科技有限公司 Flexibly packed lithium ion battery with high power and long service life

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012012713A2 (en) * 2010-07-23 2012-01-26 University Of Delaware Lithium batteries having anodes based on polythiocyanogen
CN102544586A (en) * 2010-12-10 2012-07-04 深圳市比克电池有限公司 Lithium ion battery preparation method and lithium ion battery
CN103311539A (en) * 2013-05-17 2013-09-18 深圳市慧通天下科技股份有限公司 High-voltage high-energy-density lithium ion battery
CN104319418A (en) * 2014-10-24 2015-01-28 东莞锂威能源科技有限公司 High capacity lithium ion battery
CN104393330A (en) * 2014-10-24 2015-03-04 东莞锂威能源科技有限公司 Flexibly packed lithium ion battery with high power and long service life

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
洪树等: "锂离子电池用LiPF6/PC+FEC电解液的低温性能", 《中南大学学报》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109256589A (en) * 2018-09-20 2019-01-22 山东天瀚新能源科技有限公司 A kind of ultralow temperature rate lithium ion battery
CN109449387A (en) * 2018-09-28 2019-03-08 深圳市卓能新能源股份有限公司 A kind of lithium ion battery and preparation method thereof
CN110970658A (en) * 2018-09-28 2020-04-07 宁德时代新能源科技股份有限公司 Lithium ion battery
CN110970658B (en) * 2018-09-28 2021-08-06 宁德时代新能源科技股份有限公司 Lithium ion battery
CN109638212A (en) * 2018-11-20 2019-04-16 东莞锂威能源科技有限公司 A kind of high magnification fast charge lithium ion battery
CN109817886A (en) * 2018-12-29 2019-05-28 深圳市卓能新能源股份有限公司 Battery cathode sheet and preparation method thereof and lithium ion battery
CN110797530A (en) * 2019-09-26 2020-02-14 惠州锂威新能源科技有限公司 High-voltage lithium cobalt oxide graphite battery and preparation method thereof
CN110797530B (en) * 2019-09-26 2023-08-01 惠州锂威新能源科技有限公司 High-voltage lithium cobalt oxide graphite battery and preparation method thereof
CN111525089A (en) * 2020-07-06 2020-08-11 长沙宝锋能源科技有限公司 Low-temperature lithium ion battery with energy density and safety
CN111525089B (en) * 2020-07-06 2020-11-10 长沙宝锋能源科技有限公司 Low-temperature lithium ion battery with energy density and safety
CN113517435A (en) * 2021-06-07 2021-10-19 江苏劲鹿新能源科技有限公司 Low-temperature lithium battery formula and sheet-making process

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Application publication date: 20180413