CN103700884A - Electrolyte of power lithium ion secondary battery - Google Patents

Electrolyte of power lithium ion secondary battery Download PDF

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Publication number
CN103700884A
CN103700884A CN201310373810.7A CN201310373810A CN103700884A CN 103700884 A CN103700884 A CN 103700884A CN 201310373810 A CN201310373810 A CN 201310373810A CN 103700884 A CN103700884 A CN 103700884A
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carbonate
electrolyte
ethylene
lithium
dmc
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龚明
侯峰
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JIANGXI CHANG HE NEW BATTERY CO Ltd
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JIANGXI CHANG HE NEW BATTERY CO Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators 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
    • H01M10/0566Liquid materials
    • H01M10/0569Liquid materials characterised by the solvents
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/056Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564Accumulators 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
    • H01M10/0566Liquid materials
    • H01M10/0567Liquid materials characterised by the additives
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00Electrolytes
    • H01M2300/0017Non-aqueous electrolytes
    • H01M2300/0025Organic electrolyte
    • H01M2300/0028Organic electrolyte characterised by the solvent
    • H01M2300/0037Mixture of solvents
    • H01M2300/0042Four or more solvents
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses an electrolyte of a power lithium ion secondary battery, which is prepared from an electrolyte, a main solvent and an additive according to certain mass percents; the electrolyte of the invention is characterized in that the electrolyte comprises 5-15% of lithium hexafluorophosphate and 1-10% of lithium bis(oxalate)borate; the main solvent comprises 25.0%-35.0% of dimethyl carbonate (DMC), 5.0%-15.0% of ethyl methyl carbonate (EMC), 3.0%-10.0% of ethylene carbonate (EC), and 2.0%-8.0% of propylene carbonate (PC); the additive comprises 1%-3% of ethylene sulfite (ES), 1%-3% of vinylene carbonate (VC), 0.5%-2.0% of 1,3-propane sultone (PS), 0.1%-0.5% of anisole, 0.5%-2.0% of biphenyl (BP), 0.01%-2% of adiponitrile, 0.5%-2.0% of gamma-butyrolactone (GBL), and 0.5%-2.0% of cyclohexylbenzene (CHB). The electrolyte of the invention can significantly improve conductivity, wettability, and high temperature circularity, thus enlarging the application scope of the electrolyte.

Description

A kind of electrolyte of power lithium-ion rechargeable battery
Technical field
The present invention relates to a kind of electrolyte of power lithium-ion rechargeable battery, belong to lithium battery field.
Background technology
Development along with microelectric technique, the mobile device of miniaturization is increasing, like this power supply of equipment has also been proposed to very high requirement, lithium ion battery enters large-scale operational phase thereupon, the research of lithium ion battery is also towards future developments such as high magnification, high circulation, high power capacity, power lithium-ion rechargeable battery is widely used in the fields such as notebook, digital product, mine lamp, electric bicycle, electric tool, and demand is very large.
At present in power lithium-ion rechargeable battery industry, lithium ion battery circulates after 300 weeks at normal temperature, capability retention is between 80% to 95%, electrolyte each component ratio in actual production process is not optimized through series, has the problem that the scope of application is little, conductance is low, wettability is poor, high temperature cyclic performance is poor.
Summary of the invention
Object of the present invention aims to provide a kind of electrolyte of power lithium-ion rechargeable battery, have applied widely, conductance is high, wettability good, the feature of good cycle.
For achieving the above object, the electrolyte of power lithium-ion rechargeable battery of the present invention is by electrolyte, main solvent and additive are formulated by mass percentage, electrolyte consists of lithium hexafluoro phosphate 5~15% and dioxalic acid lithium borate (LIBOB) 1~10%, main solvent is by dimethyl carbonate (DMC) 25.0%~35.0%, methyl ethyl carbonate (EMC) 5.0%~15.0%, ethylene carbonate (EC) 3.0%~10.0% and propene carbonate (PC) 2.0%~8.0% form, additive is by ethylene sulfite (ES) 1%~3%, vinylene carbonate (VC) 1%~3%, 1, 3-propane sultone (PS) 0.5%~2.0%, methyl phenyl ethers anisole 0.1%~0.5%, biphenyl (BP) 0.5%~2.0%, adiponitrile 0.01%~2%, 1-4-fourth diester (GBL) 0.5%~2.0% and cyclohexyl benzene (CHB) 0.5~2.0% form.
Process for preparation is as follows:
1, by dimethyl carbonate (DMC), methyl ethyl carbonate (EMC), ethylene carbonate (EC) and propene carbonate (PC) respectively by rectifying, remove impurity and purification, then by pipeline, beat in measuring tank respectively, measuring tank self has the function calculating the weight;
2, by dimethyl carbonate (DMC), methyl ethyl carbonate (EMC), ethylene carbonate (EC) and propene carbonate (PC) according to mass percent, after measuring by measuring tank respectively, successively dimethyl carbonate (DMC), methyl ethyl carbonate (EMC), ethylene carbonate (EC), propene carbonate (PC) are inserted in reactor, stir at normal temperatures 0.5~1 hour, it is evenly mixed, in whipping process, need argon gas (purity is greater than 99.999%) protection, protection air pressure is 1.02~1.08MPa, monitoring water content, water content should be lower than 10ppm;
3, by lithium hexafluoro phosphate according to mass percent, after measuring by measuring tank, add in reactor, stir 1 hour, again by dioxalic acid lithium borate (LIBOB) according to mass percent, after measuring by measuring tank, add in reactor, stir 1.5~2.5 hours, mix, in whipping process, also need argon gas (purity is greater than 99.999%) protection, protection air pressure is 1.02~1.08MPa, monitoring water and fluohydric acid content, water content is lower than 10ppm, and hydrofluoric acid (HF) content is lower than 20ppm;
4, by 1, 3-propane sultone (PS), methyl phenyl ethers anisole, biphenyl, cyclohexyl benzene (CHB), 1-4-fourth diester (GBL), adiponitrile, ethylene sulfite (ES), vinylene carbonate (VC) is according to mass percent, after measuring by measuring tank respectively, successively by 1, 3-propane sultone (PS), methyl phenyl ethers anisole, biphenyl, cyclohexyl benzene (CHB), 1-4-fourth diester (GBL), adiponitrile, ethylene sulfite (ES), vinylene carbonate (VC) adds in reactor, stir 0.5~2 hour, fully mix, in whipping process, also need argon gas (purity is greater than 99.999%) protection, protection air pressure is 1.02~1.08MPa, monitoring water and fluohydric acid content, water content is lower than 10ppm, hydrofluoric acid (HF) content is lower than 20ppm, form the electrolyte of power lithium-ion rechargeable battery.
The electrolyte of a kind of power lithium-ion rechargeable battery of the present invention compared with prior art has following excellent effect.
Adopt the electrolyte of power lithium-ion rechargeable battery of the present invention, electrolyte prescription has been optimized electrolyte solvent system, the mass percent of each component of additive, increased accordingly and overcharged, film forming, wetability, the application of compound lithium salts, circulation and the security performance of battery have been improved, battery core circulates after 500 weeks at normal temperature, capability retention reaches 88% to 96%, the highest normal temperature cycle life can reach (capability retention calculates by 60%) 2000 times, and electrolyte solvent adopts quaternary system, can be applied to multiple positive electrode system, as cobalt acid lithium, nickel bores LiMn2O4, the doping system of nickle cobalt lithium manganate and LiMn2O4, pure LiMn2O4 system, negative pole can be Delanium and native graphite, expands the scope of application of electrolyte, improves fluid injection efficiency, can slow down the Jahn-Teller effect of LiMn2O4, there is the gentle high rate performance of good height, security performance aspect, in the situation that guaranteeing reservoir quantity, 1C/12V and 3C/4.65V overcharge and can pass through smoothly, and short circuit, 130 ℃ of bakings are had to great improvement.
Embodiment
Below the electrolyte of power lithium-ion rechargeable battery of the present invention is further described.
The electrolyte of a kind of power lithium-ion rechargeable battery of the present invention, by electrolyte, main solvent and additive are formulated according to mass percent, electrolyte is formulated by lithium hexafluoro phosphate 5~15% and dioxalic acid lithium borate (LIBOB) 1~10%, main solvent is by dimethyl carbonate (DMC) 25.0%~35.0%, methyl ethyl carbonate (EMC) 5.0%~15.0%, ethylene carbonate (EC) 3.0%~10.0% and propene carbonate (PC) 2.0%~8.0% are formulated, additive is by ethylene sulfite (ES) 1%~3%, vinylene carbonate (VC) 1%~3%, 1, 3-propane sultone (PS) 0.5%~2.0%, methyl phenyl ethers anisole 0.1%~0.5%, biphenyl (BP) 0.5%~2.0%, adiponitrile 0.01%~2%, 1-4-fourth diester (GBL) 0.5%~2.0% and cyclohexyl benzene (CHB) 0.5~2.0% are formulated.
1, by dimethyl carbonate (DMC), methyl ethyl carbonate (EMC), ethylene carbonate (EC) and propene carbonate (PC) respectively by rectifying, remove impurity and purification, then by pipeline, play metering respectively in measuring tank respectively, measuring tank self has the function calculating the weight;
2, by dimethyl carbonate (DMC), methyl ethyl carbonate (EMC), ethylene carbonate (EC) and propene carbonate (PC) according to mass percent, after measuring by measuring tank respectively, successively dimethyl carbonate (DMC), methyl ethyl carbonate (EMC), ethylene carbonate (EC), propene carbonate (PC) are inserted in reactor, stir at normal temperatures 0.5~1 hour, it is evenly mixed, in whipping process, need argon gas (purity is greater than 99.999%) protection, protection air pressure is 1.02~1.08MPa, monitoring water content, water content should be lower than 10ppm;
3, by lithium hexafluoro phosphate according to mass percent, after measuring by measuring tank, add in reactor, stir 1 hour, again by dioxalic acid lithium borate (LIBOB) according to mass percent, after measuring by measuring tank, add in reactor, stir 1.5~2.5 hours, mix, in whipping process, also need argon gas (purity is greater than 99.999%) protection, protection air pressure is 1.02~1.08MPa, monitoring water and fluohydric acid content, water content is lower than 10ppm, and hydrofluoric acid (HF) content is lower than 20ppm;
4, by 1, 3-propane sultone (PS), methyl phenyl ethers anisole, biphenyl, cyclohexyl benzene (CHB), 1-4-fourth diester (GBL), adiponitrile, ethylene sulfite (ES), vinylene carbonate (VC) is according to mass percent, after measuring by measuring tank respectively, successively by 1, 3-propane sultone (PS), methyl phenyl ethers anisole, biphenyl, cyclohexyl benzene (CHB), 1-4-fourth diester (GBL), adiponitrile, ethylene sulfite (ES), vinylene carbonate (VC) adds in reactor, stir 0.5~2 hour, fully mix, in whipping process, also need argon gas (purity is greater than 99.999%) protection, protection air pressure is 1.02~1.08MPa, monitoring water and fluohydric acid content, water content is lower than 10ppm, hydrofluoric acid (HF) content is lower than 20ppm, form the electrolyte of power lithium-ion rechargeable battery, it is inner that formulated electrolyte injects battery core.
Embodiment 1:
The electrolyte of a kind of power lithium-ion rechargeable battery of the present invention, by electrolyte, main solvent and additive are formulated, electrolyte consists of lithium hexafluoro phosphate 8~13% and dioxalic acid lithium borate (LIBOB) 3~7%, main solvent is by dimethyl carbonate (DMC) 28.0%~32.0%, methyl ethyl carbonate (EMC) 8.0%~13.0%, ethylene carbonate (EC) 5.0%~8.0% and propene carbonate (PC) 4.0%~6.0% form, additive is by ethylene sulfite (ES) 1.5%~2.5%, vinylene carbonate (VC) 1.5%~2.5%, 1, 3-propane sultone (PS) 0.8%~1.5%, methyl phenyl ethers anisole 0.2%~0.4%, biphenyl (BP) 0.8%~1.5%, adiponitrile 0.01%~1.5%, 1-4-fourth diester (GBL) 0.8%~1.5% and cyclohexyl benzene (CHB) 0.8~1.5% form.
Embodiment 2:
The electrolyte of a kind of power lithium-ion rechargeable battery of the present invention, by electrolyte, main solvent and additive are formulated, electrolyte consists of lithium hexafluoro phosphate 10~11% and dioxalic acid lithium borate (LIBOB) 4~8%, main solvent is by dimethyl carbonate (DMC) 30%, methyl ethyl carbonate (EMC) 10~11%, ethylene carbonate (EC) 6.0%~9.0% and propene carbonate (PC) 5.0%~7.0% form, additive is by ethylene sulfite (ES) 2%, vinylene carbonate (VC) 2%, 1, 3-propane sultone (PS) 1.0%, methyl phenyl ethers anisole 0.3%, biphenyl (BP) 1.0%, adiponitrile 0.01%~1%, 1-4-fourth diester (GBL) 1.0% and cyclohexyl benzene (CHB) 1.0% form.
Embodiment 3: the electrolyte of a kind of power lithium-ion rechargeable battery of the present invention, by electrolyte, main solvent and additive are formulated, electrolyte consists of lithium hexafluoro phosphate 10% and dioxalic acid lithium borate (LIBOB) 8%, main solvent is by dimethyl carbonate (DMC) 35%, methyl ethyl carbonate (EMC) 11%, ethylene carbonate (EC) 9.0% and propene carbonate (PC) 7.0% form, additive is by ethylene sulfite (ES) 2%, vinylene carbonate (VC) 2%, 1, 3-propane sultone (PS) 1.0%, methyl phenyl ethers anisole 0.3%, biphenyl (BP) 1.0%, adiponitrile 1%, 1-4-fourth diester (GBL) 1.0% and cyclohexyl benzene (CHB) 1.0% form.

Claims (4)

1. the electrolyte of a power lithium-ion rechargeable battery, by electrolyte, main solvent and additive are formulated according to mass percent, it is characterized in that electrolyte consists of lithium hexafluoro phosphate 5~15% and dioxalic acid lithium borate (LIBOB) 1~10%, main solvent is by dimethyl carbonate (DMC) 25.0%~35.0%, methyl ethyl carbonate (EMC) 5.0%~15.0%, ethylene carbonate (EC) 3.0%~10.0% and propene carbonate (PC) 2.0%~8.0% form, additive is by ethylene sulfite (ES) 1%~3%, vinylene carbonate (VC) 1%~3%, 1, 3-propane sultone (PS) 0.5%~2.0%, methyl phenyl ethers anisole 0.1%~0.5%, biphenyl (BP) 0.5%~2.0%, adiponitrile 0.01%~2%, 1-4-fourth diester (GBL) 0.5%~2.0% and cyclohexyl benzene (CHB) 0.5~2.0% form, process for preparation is as follows:
(1), by dimethyl carbonate (DMC), methyl ethyl carbonate (EMC), ethylene carbonate (EC) and propene carbonate (PC) respectively by rectifying, remove impurity and purification, then by pipeline, beat in measuring tank respectively, measuring tank self has the function calculating the weight;
(2), by dimethyl carbonate (DMC), methyl ethyl carbonate (EMC), ethylene carbonate (EC) and propene carbonate (PC) according to mass percent, after measuring by measuring tank respectively, successively dimethyl carbonate (DMC), methyl ethyl carbonate (EMC), ethylene carbonate (EC), propene carbonate (PC) are inserted in reactor, stir at normal temperatures 0.5~1 hour, it is evenly mixed, in whipping process, need argon gas (purity is greater than 99.999%) protection, protection air pressure is 1.02~1.08MPa, monitoring water content, water content should be lower than 10ppm;
(3), by lithium hexafluoro phosphate according to mass percent, after measuring by measuring tank, add in reactor, stir 1 hour, again by dioxalic acid lithium borate (LIBOB) according to mass percent, after measuring by measuring tank, add in reactor, stir 1.5~2.5 hours, mix, in whipping process, also need argon gas (purity is greater than 99.999%) protection, protection air pressure is 1.02~1.08MPa, monitoring water and fluohydric acid content, water content is lower than 10ppm, and hydrofluoric acid (HF) content is lower than 20ppm;
(4), by 1, 3-propane sultone (PS), methyl phenyl ethers anisole, biphenyl, cyclohexyl benzene (CHB), 1-4-fourth diester (GBL), adiponitrile, ethylene sulfite (ES), vinylene carbonate (VC) is according to mass percent, after measuring by measuring tank respectively, successively by 1, 3-propane sultone (PS), methyl phenyl ethers anisole, biphenyl, cyclohexyl benzene (CHB), 1-4-fourth diester (GBL), adiponitrile, ethylene sulfite (ES), vinylene carbonate (VC) adds in reactor, stir 0.5~2 hour, fully mix, in whipping process, also need argon gas (purity is greater than 99.999%) protection, protection air pressure is 1.02~1.08MPa, monitoring water and fluohydric acid content, water content is lower than 10ppm, hydrofluoric acid (HF) content is lower than 20ppm, form the electrolyte of power lithium-ion rechargeable battery.
2. the electrolyte of a kind of power lithium-ion rechargeable battery according to claim 1, it is characterized in that electrolyte consists of lithium hexafluoro phosphate 8~13% and dioxalic acid lithium borate (LIBOB) 3~7%, main solvent is by dimethyl carbonate (DMC) 28.0%~32.0%, methyl ethyl carbonate (EMC) 8.0%~13.0%, ethylene carbonate (EC) 5.0%~8.0% and propene carbonate (PC) 4.0%~6.0% form, additive is by ethylene sulfite (ES) 1.5%~2.5%, vinylene carbonate (VC) 1.5%~2.5%, 1, 3-propane sultone (PS) 0.8%~1.5%, methyl phenyl ethers anisole 0.2%~0.4%, biphenyl (BP) 0.8%~1.5%, adiponitrile 0.01%~1.5%, 1-4-fourth diester (GBL) 0.8%~1.5% and cyclohexyl benzene (CHB) 0.8~1.5% form.
3. the electrolyte of a kind of power lithium-ion rechargeable battery according to claim 1, it is characterized in that electrolyte consists of lithium hexafluoro phosphate 10~11% and dioxalic acid lithium borate (LIBOB) 4~8%, main solvent is by dimethyl carbonate (DMC) 30%, methyl ethyl carbonate (EMC) 10~11%, ethylene carbonate (EC) 6.0%~9.0% and propene carbonate (PC) 5.0%~7.0% form, additive is by ethylene sulfite (ES) 2%, vinylene carbonate (VC) 2%, 1, 3-propane sultone (PS) 1.0%, methyl phenyl ethers anisole 0.3%, biphenyl (BP) 1.0%, adiponitrile 0.01%~1%, 1-4-fourth diester (GBL) 1.0% and cyclohexyl benzene (CHB) 1.0% form.
4. the electrolyte of a kind of power lithium-ion rechargeable battery according to claim 1, it is characterized in that electrolyte consists of lithium hexafluoro phosphate 10% and dioxalic acid lithium borate (LIBOB) 8%, main solvent is by dimethyl carbonate (DMC) 35%, methyl ethyl carbonate (EMC) 11%, ethylene carbonate (EC) 9.0% and propene carbonate (PC) 7.0% form, additive is by ethylene sulfite (ES) 2%, vinylene carbonate (VC) 2%, 1, 3-propane sultone (PS) 1.0%, methyl phenyl ethers anisole 0.3%, biphenyl (BP) 1.0%, adiponitrile 1%, 1-4-fourth diester (GBL) 1.0% and cyclohexyl benzene (CHB) 1.0% form.
CN201310373810.7A 2013-08-14 2013-08-14 Electrolyte of power lithium ion secondary battery Pending CN103700884A (en)

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CN105552429A (en) * 2016-01-29 2016-05-04 长沙理工大学 Overcharge-prevention lithium ion battery electrolyte and lithium ion battery
CN105633463A (en) * 2016-01-08 2016-06-01 九江迅通新能源科技有限公司 Lithium-ion secondary battery electrolyte applicable to low-temperature environment discharging
CN106159326A (en) * 2016-08-26 2016-11-23 江苏天鹏电源有限公司 A kind of Multifunctional electrolysis liquid
CN109346768A (en) * 2018-09-30 2019-02-15 东莞市杉杉电池材料有限公司 A kind of manganate lithium ion battery nonaqueous electrolytic solution
CN109806831A (en) * 2019-03-18 2019-05-28 泰顺永庆电力技术有限公司 The preparation process of lithium battery energy storage battery material
CN110233291A (en) * 2019-05-31 2019-09-13 骆驼集团新能源电池有限公司 A kind of wide temperate zone lithium battery electrolytes of 12V start and stop balancing high/low temperature
CN111416151A (en) * 2020-03-20 2020-07-14 宁德新能源科技有限公司 Electrolyte solution, electrochemical device, and electronic device
CN112382791A (en) * 2020-11-24 2021-02-19 河南省法恩莱特新能源科技有限公司 Electrolyte for TWS Bluetooth headset lithium ion battery, preparation method of electrolyte and lithium ion battery
CN113921914A (en) * 2021-09-30 2022-01-11 宁德新能源科技有限公司 Electrolyte solution, and electrochemical device and electronic device using same

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CN103107366A (en) * 2012-02-09 2013-05-15 多氟多化工股份有限公司 Power lithium ion battery and electrolyte thereof
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CN101635379A (en) * 2009-02-24 2010-01-27 万向电动汽车有限公司 Electrolyte for lithium-ion power battery and preparation method thereof
CN103107366A (en) * 2012-02-09 2013-05-15 多氟多化工股份有限公司 Power lithium ion battery and electrolyte thereof
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105633463A (en) * 2016-01-08 2016-06-01 九江迅通新能源科技有限公司 Lithium-ion secondary battery electrolyte applicable to low-temperature environment discharging
CN105633463B (en) * 2016-01-08 2018-03-02 九江迅通新能源科技有限公司 A kind of electrolyte of lithium-ion secondary battery suitable for low temperature environment electric discharge
CN105552429A (en) * 2016-01-29 2016-05-04 长沙理工大学 Overcharge-prevention lithium ion battery electrolyte and lithium ion battery
CN106159326A (en) * 2016-08-26 2016-11-23 江苏天鹏电源有限公司 A kind of Multifunctional electrolysis liquid
CN109346768A (en) * 2018-09-30 2019-02-15 东莞市杉杉电池材料有限公司 A kind of manganate lithium ion battery nonaqueous electrolytic solution
CN109806831A (en) * 2019-03-18 2019-05-28 泰顺永庆电力技术有限公司 The preparation process of lithium battery energy storage battery material
CN110233291A (en) * 2019-05-31 2019-09-13 骆驼集团新能源电池有限公司 A kind of wide temperate zone lithium battery electrolytes of 12V start and stop balancing high/low temperature
CN111416151A (en) * 2020-03-20 2020-07-14 宁德新能源科技有限公司 Electrolyte solution, electrochemical device, and electronic device
CN112382791A (en) * 2020-11-24 2021-02-19 河南省法恩莱特新能源科技有限公司 Electrolyte for TWS Bluetooth headset lithium ion battery, preparation method of electrolyte and lithium ion battery
CN113921914A (en) * 2021-09-30 2022-01-11 宁德新能源科技有限公司 Electrolyte solution, and electrochemical device and electronic device using same

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Application publication date: 20140402