CN103682436A - Electrolyte for high-ageing-resistance manganese-containing lithium ion battery and application of electrolyte - Google Patents

Electrolyte for high-ageing-resistance manganese-containing lithium ion battery and application of electrolyte Download PDF

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CN103682436A
CN103682436A CN201210361485.8A CN201210361485A CN103682436A CN 103682436 A CN103682436 A CN 103682436A CN 201210361485 A CN201210361485 A CN 201210361485A CN 103682436 A CN103682436 A CN 103682436A
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electrolyte
carbonate
ion battery
total weight
lithium ion
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沈晓彦
周建新
唐琛明
王兴威
张勤
黄钟琪
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JIANGSU NEW POWER BATTERY AND MATERIAL ENGINEERING TECHNOLOGY RESEARCH CENTRAL Co Ltd
JIANGSU HIGHSTAR BATTERY MANUFACTURING Co Ltd
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JIANGSU NEW POWER BATTERY AND MATERIAL ENGINEERING TECHNOLOGY RESEARCH CENTRAL Co Ltd
JIANGSU HIGHSTAR BATTERY MANUFACTURING Co Ltd
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Priority to CN201210361485.8A priority Critical patent/CN103682436A/en
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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
    • H01M10/056—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
    • 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
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0025—Organic electrolyte
    • 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 provides electrolyte for a high-ageing-resistance manganese-containing lithium ion battery and an application of the electrolyte. The electrolyte is composed of four components: lithium salt, a non-water organic solvent, a stable additive and other functional additives, wherein the lithium salt is one or a composition of more of following compounds with the following molecular formulas: LiPF6, LiBF4, LiBOB, LiClO4 and LiPF3(C2F5)3; the stable additive is selected from one or a composition of more of triphosphate (trimethylsilane phosphate), methylene methanedisulfonate and ethanolamine; the adding amount of the stable additive accounts for 0.1%-5% of the total weight of the electrolyte. The electrolyte provided by the invention is applied to manufacturing the lithium ion battery which takes a manganese-containing active material as a positive electrode material; the stable additive is added into the electrolyte so that the ageing of the properties of the lithium ion battery in the utilization process of the electrolyte is delayed; the cycle life and the high-temperature storage life of the manganese-containing lithium ion battery are prolonged.

Description

A kind of high anti-aging containing manganese electrolyte for lithium ion battery and uses thereof
[technical field]
The present invention relates to a kind of high anti-aging manganese electrolyte for lithium ion battery that contains, belong to material technology field.
[background technology]
Along with the development of lithium-ion electric pool technology, people wish to improve the serviceability of battery when reducing costs.Nickle cobalt lithium manganate ternary material mixes with LiMn2O4 as anode material for lithium-ion batteries becomes the important research direction that improves performance of lithium ion battery and reduce costs.Nickel-cobalt lithium manganate cathode material combines LiCoO 2, LiNiO 2and LiMnO 2the advantages such as specific energy and specific power performance, Stability Analysis of Structures, obtained large development in recent years.Spinel lithium manganate has three-dimensional tunnel structure, and the de-embedding of lithium ion is convenient, and manganese aboundresources, cheap, environmentally friendly, safe, is suitable as anode material for lithium-ion batteries.But in use there is more serious problem of aging in spinel lithium manganate battery, especially under hot conditions, capacity attenuation is particularly serious, its main cause is the Jahn-Teller effect (Jahn-Teller effect) of manganese ion, and electrolyte is to cause capacity attenuation and aging direct explosive train to the corrosion of lithium manganate material, thereby need to select to add special additive to suppress the dissolving of this material surface manganese.
Basic electrolyte is comprised of conventional lithium salts and the non-aqueous organic solvent using of lithium ion battery at present, commercial electrolyte adds some known functional additives conventionally, after battery is changed into, have good filming performance, over-charging of battery, short-circuit capability reach the general safety standard of lithium ion battery.Therefore exploitation has high anti-aging electrolyte for lithium ion battery, especially under hot conditions, use containing manganese lithium-ion battery electrolytes, for improving cycle life of lithium ion battery and the raising of storage life, be all that tool is of great significance.
[summary of the invention]
Technical problem to be solved by this invention is, provide a kind of high anti-aging containing manganese electrolyte for lithium ion battery, adding due to stabilization additives in this electrolyte, can control moisture, acidity and concentration of metal ions in electrolyte, use the manganese lithium ion battery ageing resistace that contains prepared by this electrolyte obviously to improve, improve cycle life and the high-temperature storage performance of battery.
The present invention is achieved through the following technical solutions:
High anti-aging containing a manganese lithium-ion battery electrolytes, this electrolyte is comprised of four constituents: lithium salts, non-aqueous organic solvent, stabilization additives and other functional additives.
Described lithium salts is one or more compositions that have in the compound of following molecular formula: LiPF 6, LiBF 4, LiBOB, LiClO 4, LiPF 3(C 2f 5) 3be selected from LiPF 6, LiBF 4, LiBOB, LiClO 4, LiPF 3(C 2f 5) 3.
Described stabilization additives is selected from one or more combinations in three (trimethyl silane) phosphate, methane-disulfonic acid methylene ester, monoethanolamine, and the addition of stabilization additives is 0.1%～5% of electrolyte total weight.The purposes of described electrolyte is applied to manufacture take and contains the lithium ion battery that manganese active material is positive electrode, containing manganese active material, be wherein the oxidate for lithium ternary material of nickel, brill, manganese and the mixture of spinel lithium manganate, spinel lithium manganate weight accounts for 1%～99% of positive electrode total weight.
The invention has the beneficial effects as follows: containing in manganese lithium-ion battery electrolytes, adding stabilization additives, can control moisture and acidity value in electrolyte, effectively reduce the erosion of electrolyte to positive electrode, but also metal ion in can complexing electrolyte, prevent that it from depositing in negative terminal surface, the electrode performance that inhibition impedance rising causes is aging, improves cycle life and high-temperature storage performance containing manganese lithium ion battery.
[accompanying drawing explanation]
Fig. 1 be select that the electrolyte of comparative example 1, embodiment 1 makes containing manganese lithium ion battery, at 60 ℃ ± 2 ℃, shelve 14 days high-temperature storage performance correlation curves.
Fig. 2 is the cycle life correlation curve containing manganese lithium ion battery of selecting the electrolyte making of comparative example 1, embodiment 1.
[embodiment]
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail; these specific embodiments are the preferred embodiments of the present invention; can not limit claim of the present invention; the present invention still has multiple other concrete execution mode; all employings are equal to replacement or equivalent transformation and all technical schemes of forming, within all belonging to the scope of protection of present invention.
Comparative example 1:
By lithium salts LiPF 6be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, dimethyl carbonate, methyl ethyl carbonate, wherein ethylene carbonate: propene carbonate: dimethyl carbonate: the mass ratio of methyl ethyl carbonate is 3: 1: 3: 3, LiPF 6concentration be 1mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, make contrast electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.
Embodiment 1:
By lithium salts LiPF 6, LiBOB is dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, diethyl carbonate, ethylene carbonate wherein: propene carbonate: methyl ethyl carbonate: the mass ratio of diethyl carbonate is 3: 1: 3: 3, LiPF 6concentration be 0.6mol/L, the concentration of LiBOB is 0.4mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add biphenyl, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, by 1% of electrolyte total weight, add fluorinated ethylene carbonate, by 1% of electrolyte total weight, add three (trimethyl silane) phosphate, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.
Embodiment 2:
By lithium salts LiPF 6, LiBOB is dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, diethyl carbonate, ethylene carbonate wherein: propene carbonate: methyl ethyl carbonate: the mass ratio of diethyl carbonate is 3: 1: 3: 3, LiPF 6concentration be 0.6mol/L, the concentration of LiBOB is 0.4mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.
Embodiment 3:
By lithium salts LiPF 6, LiBOB is dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, diethyl carbonate, ethylene carbonate wherein: propene carbonate: methyl ethyl carbonate: the mass ratio of diethyl carbonate is 3: 1: 3: 3, LiPF 6concentration be 0.6mol/L, the concentration of LiBOB is 0.4mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 1% of electrolyte total weight, add fluorinated ethylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 30%.
Embodiment 4:
By lithium salts LiPF 6, LiBOB is dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, diethyl carbonate, ethylene carbonate wherein: propene carbonate: methyl ethyl carbonate: the mass ratio of diethyl carbonate is 3: 1: 3: 3, LiPF 6concentration be 0.6mol/L, the concentration of LiBOB is 0.4mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 30%.
Embodiment 5:
By lithium salts LiPF 6, LiBOB is dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, dimethyl carbonate, ethylene carbonate wherein: propene carbonate: methyl ethyl carbonate: the mass ratio of diethyl carbonate is 3: 1: 4.5: 1.5, LiPF 6concentration be 0.7mol/L, the concentration of LiBOB is 0.4mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add monoethanolamine, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.
Embodiment 6:
By lithium salts LiPF 6, LiBOB is dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, dimethyl carbonate, ethylene carbonate wherein: propene carbonate: methyl ethyl carbonate: the mass ratio of diethyl carbonate is 3: 1: 4.5: 1.5, LiPF 6concentration be 0.6mol/L, the concentration of LiBOB is 0.4mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 3% of electrolyte total weight, add three (trimethyl silane) phosphate, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 30%.
Embodiment 7:
By lithium salts LiPF 6, LiBOB is dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, diethyl carbonate, ethylene carbonate wherein: propene carbonate: methyl ethyl carbonate: the mass ratio of diethyl carbonate is 3: 1: 3: 3, LiPF 6concentration be 0.6mol/L, the concentration of LiBOB is 0.4mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, by 1% of electrolyte total weight, add three (trimethyl silane) phosphate, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 30%.
Embodiment 8:
By lithium salts LiPF 6, LiPF 3(C 2f 5) 3be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, dimethyl carbonate, wherein ethylene carbonate: propene carbonate: methyl ethyl carbonate: the mass ratio of dimethyl carbonate is 3: 1: 4: 2, LiPF 6concentration be 0.7mol/L, LiPF 3(C 2f 5) 3concentration be 0.3mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add three (trimethyl silane) phosphate, by 2% of electrolyte total weight, add monoethanolamine, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 50%.
Embodiment 9:
By lithium salts LiPF 6, LiPF 3(C 2f 5) 3be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, dimethyl carbonate, wherein ethylene carbonate: propene carbonate: methyl ethyl carbonate: the mass ratio of dimethyl carbonate is 3: 1: 4: 2, LiPF 6concentration be 0.7mol/L, LiPF 3(C 2f 5) 3concentration be 0.3mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 50%.
Embodiment 10:
By lithium salts LiPF 6, LiPF 3(C 2f 5) 3be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, dimethyl carbonate, wherein ethylene carbonate: propene carbonate: methyl ethyl carbonate: the mass ratio of dimethyl carbonate is 3: 1: 4: 2, LiPF 6concentration be 0.7mol/L, LiPF 3(C 2f 5) 3concentration be 0.3mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, by 1% of electrolyte total weight, add three (trimethyl silane) phosphate, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 50%.
Embodiment 11:
By lithium salts LiPF 6, LiPF 3(C 2f 5) 3be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, dimethyl carbonate, wherein ethylene carbonate: propene carbonate: methyl ethyl carbonate: the mass ratio of dimethyl carbonate is 3: 1: 4: 2, LiPF 6concentration be 0.7mol/L, LiPF 3(C 2f 5) 3concentration be 0.3mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, by 2% of electrolyte total weight, add fluorinated ethylene carbonate, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 50%.
Embodiment 12:
By lithium salts LiPF 6, LiPF 3(C 2f 5) 3be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, dimethyl carbonate, wherein ethylene carbonate: propene carbonate: methyl ethyl carbonate: the mass ratio of dimethyl carbonate is 3: 1: 4: 2, LiPF 6concentration be 0.7mol/L, LiPF 3(C 2f 5) 3concentration be 0.3mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, by 2% of electrolyte total weight, add monoethanolamine, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 50%.
Embodiment 13:
Lithium Salt LiBOB is dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, diethyl carbonate, ethylene carbonate wherein: propene carbonate: methyl ethyl carbonate: the mass ratio of diethyl carbonate is 3: 1: 2: the concentration of 4, LiBOB is 1mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, by 2% of electrolyte total weight, add biphenyl, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 30%.
Embodiment 14:
Lithium Salt LiBOB is dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, diethyl carbonate, ethylene carbonate wherein: propene carbonate: methyl ethyl carbonate: the mass ratio of diethyl carbonate is 3: 1: 2: the concentration of 4, LiBOB is 1mol/L.Then in this solution, by 2% of electrolyte total weight, add fluorinated ethylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 30%.
Embodiment 15:
Lithium Salt LiBOB is dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl ethyl carbonate, diethyl carbonate, ethylene carbonate wherein: propene carbonate: methyl ethyl carbonate: the mass ratio of diethyl carbonate is 3: 1: 2: the concentration of 4, LiBOB is 1mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, by 2% of electrolyte total weight, add vinylethylene carbonate, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.
Embodiment 16:
By lithium salts LiBF 4be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, ethyl propionate, diethyl carbonate, wherein ethylene carbonate: propene carbonate: ethyl propionate: the mass ratio of diethyl carbonate is 3: 1: 1: 5, LiBF 4concentration be 0.8mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.
Embodiment 17:
By lithium salts LiBF 4be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, ethyl propionate, diethyl carbonate, wherein ethylene carbonate: propene carbonate: ethyl propionate: the mass ratio of diethyl carbonate is 3: 1: 1: 5, LiBF 4concentration be 0.8mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 1% of electrolyte total weight, add fluorinated ethylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.
Embodiment 18:
By lithium salts LiBF 4be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, ethyl propionate, diethyl carbonate, wherein ethylene carbonate: propene carbonate: ethyl propionate: the mass ratio of diethyl carbonate is 3: 1: 1: 5, LiBF 4concentration be 0.8mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 1% of electrolyte total weight, add methane-disulfonic acid methylene ester, by 1% of electrolyte total weight, add three (trimethyl silane) phosphate, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.
Embodiment 19:
By lithium salts LiPF 6, LiBF 4be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl acetate, diethyl carbonate, wherein ethylene carbonate: propene carbonate: methyl acetate: the mass ratio of diethyl carbonate is 3: 1: 3: 3, LiPF 6concentration be 0.8mol/L, LiBF 4concentration be 0.3mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.
Embodiment 20:
By lithium salts LiPF 6, LiBF 4be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl acetate, diethyl carbonate, wherein ethylene carbonate: propene carbonate: methyl acetate: the mass ratio of diethyl carbonate is 3: 1: 3: 3, LiPF 6concentration be 0.8mol/L, LiBF 4concentration be 0.3mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, by 1% of electrolyte total weight, add vinylethylene carbonate, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.
Embodiment 21:
By lithium salts LiPF 6, LiBF 4be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl acetate, diethyl carbonate, wherein ethylene carbonate: propene carbonate: methyl acetate: the mass ratio of diethyl carbonate is 3: 1: 3: 3, LiPF 6concentration be 0.8mol/L, LiBF 4concentration be 0.3mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, by 2% of electrolyte total weight, add fluorinated ethylene carbonate, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.
Embodiment 22:
By lithium salts LiPF 6, LiBF 4be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl acetate, diethyl carbonate, wherein ethylene carbonate: propene carbonate: methyl acetate: the mass ratio of diethyl carbonate is 3: 1: 3: 3, LiPF 6concentration be 0.8mol/L, LiBF 4concentration be 0.3mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, by 2% of electrolyte total weight, add cyclohexyl benzene, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.
Embodiment 23:
By lithium salts LiPF 6, LiBF 4be dissolved in the mixed solvent of ethylene carbonate, propene carbonate, methyl acetate, diethyl carbonate, wherein ethylene carbonate: propene carbonate: methyl acetate: the mass ratio of diethyl carbonate is 3: 1: 3: 3, LiPF 6concentration be 0.8mol/L, LiBF 4concentration be 0.3mol/L.Then in this solution, by 2% of electrolyte total weight, add vinylene carbonate, by 2% of electrolyte total weight, add methane-disulfonic acid methylene ester, by 2% of electrolyte total weight, add cyclohexyl benzene, by 2% of electrolyte total weight, add monoethanolamine, make required electrolyte.This electrolyte is applied in lithium ion battery that LiMn2O4 weight accounts for positive electrode total weight 25%.

Claims (5)

  1. One kind high anti-aging containing manganese electrolyte for lithium ion battery and uses thereof, it is characterized in that this electrolyte is comprised of four constituents: lithium salts, non-aqueous organic solvent, stabilization additives and other functional additives, this electrolyte is applied to manufacture take and contains the lithium ion battery that manganese active material is positive electrode.
  2. 2. height according to claim 1 is anti-aging containing manganese electrolyte for lithium ion battery, it is characterized in that described lithium salts is one or more compositions that have in the compound of following molecular formula: LiPF 6, LiBF 4, LiBOB, LiClO 4, LiPF 3(C 2f 5) 3.
  3. 3. height according to claim 1 is anti-aging containing manganese electrolyte for lithium ion battery, it is characterized in that described stabilization additives is selected from one or more combinations in three (trimethyl silane) phosphate, methane-disulfonic acid methylene ester, monoethanolamine.
  4. 4. height according to claim 3 is anti-aging containing manganese electrolyte for lithium ion battery, and the addition that it is characterized in that described stabilization additives is 0.1%～5% of electrolyte total weight.
  5. 5. the anti-aging purposes containing manganese electrolyte for lithium ion battery of height according to claim 1, it is characterized in that described is the oxidate for lithium ternary material of nickel, cobalt, manganese and the mixture of spinel lithium manganate containing manganese active material, and spinel lithium manganate weight accounts for 1%～99% of positive electrode total weight.
CN201210361485.8A 2012-09-26 2012-09-26 Electrolyte for high-ageing-resistance manganese-containing lithium ion battery and application of electrolyte Pending CN103682436A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104037403A (en) * 2014-06-24 2014-09-10 陈海辉 Method for prolonging service life and improving high-temperature performance of manganese-series lithium ion batteries
CN104681869A (en) * 2015-03-10 2015-06-03 湖北骆驼蓄电池研究院有限公司 High-temperature electrolyte for lithium-ion batteries
CN105489926A (en) * 2014-10-08 2016-04-13 南通力合新能源有限公司 Nonaqueous electrolyte additive capable of improving cycle pulse impedance of lithium ion battery
CN106299324A (en) * 2016-10-17 2017-01-04 广州天赐高新材料股份有限公司 A kind of electrolyte for high-capacity lithium ion cell, preparation method and lithium ion battery
CN107565165A (en) * 2017-09-29 2018-01-09 合肥工业大学 A kind of method that electrolyte improves lithium battery performance
CN107710490A (en) * 2015-07-02 2018-02-16 麦克赛尔控股株式会社 Nonaqueous electrolyte battery and its manufacture method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102113163A (en) * 2008-08-06 2011-06-29 三井化学株式会社 Nonaqueous electrolyte solution and lithium secondary battery
CN102306834A (en) * 2011-08-22 2012-01-04 诺莱特科技(苏州)有限公司 Electrolyte solution capable of improving air expansion of soft roll lithium manganese battery
CN102306835A (en) * 2011-09-02 2012-01-04 广州天赐高新材料股份有限公司 High voltage resistant and high temperature resistant safety type electrolyte for lithium ion battery adopting manganese material as anode, and use thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102113163A (en) * 2008-08-06 2011-06-29 三井化学株式会社 Nonaqueous electrolyte solution and lithium secondary battery
CN102306834A (en) * 2011-08-22 2012-01-04 诺莱特科技(苏州)有限公司 Electrolyte solution capable of improving air expansion of soft roll lithium manganese battery
CN102306835A (en) * 2011-09-02 2012-01-04 广州天赐高新材料股份有限公司 High voltage resistant and high temperature resistant safety type electrolyte for lithium ion battery adopting manganese material as anode, and use thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104037403A (en) * 2014-06-24 2014-09-10 陈海辉 Method for prolonging service life and improving high-temperature performance of manganese-series lithium ion batteries
CN105489926A (en) * 2014-10-08 2016-04-13 南通力合新能源有限公司 Nonaqueous electrolyte additive capable of improving cycle pulse impedance of lithium ion battery
CN104681869A (en) * 2015-03-10 2015-06-03 湖北骆驼蓄电池研究院有限公司 High-temperature electrolyte for lithium-ion batteries
CN104681869B (en) * 2015-03-10 2016-03-09 骆驼集团蓄电池研究院有限公司 A kind of high-temperature electrolyte of lithium ion battery
CN107710490A (en) * 2015-07-02 2018-02-16 麦克赛尔控股株式会社 Nonaqueous electrolyte battery and its manufacture method
CN106299324A (en) * 2016-10-17 2017-01-04 广州天赐高新材料股份有限公司 A kind of electrolyte for high-capacity lithium ion cell, preparation method and lithium ion battery
CN107565165A (en) * 2017-09-29 2018-01-09 合肥工业大学 A kind of method that electrolyte improves lithium battery performance

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Application publication date: 20140326