CN109494361A - A kind of anode material of lithium battery and preparation method thereof - Google Patents

A kind of anode material of lithium battery and preparation method thereof Download PDF

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Publication number
CN109494361A
CN109494361A CN201811265369.XA CN201811265369A CN109494361A CN 109494361 A CN109494361 A CN 109494361A CN 201811265369 A CN201811265369 A CN 201811265369A CN 109494361 A CN109494361 A CN 109494361A
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parts
lithium battery
anode material
preparation
graphene
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张德林
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Anhui Five Action Forces New Energy Co Ltd
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Anhui Five Action Forces New Energy Co Ltd
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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
    • H01M4/364—Composites as mixtures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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
    • 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
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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Abstract

The invention discloses a kind of anode material of lithium battery and preparation method thereof, based on the parts by weight of constitutive material, constitutive material are as follows: 63-67 parts of LiFePO4,12-15 parts of ferrous sulfide, 10-15 parts of manganese sulfide, 6-8 parts of lanthana, 6-8 parts of chrome green, 17-22 parts of graphene, 2-5 parts of nickel oxide, 6-8 parts of titanium dioxide, 7-12 parts of nanometer silicon carbide, 15-20 parts of oxalic acid, 5-7 parts of sodium carboxymethylcellulose, 3-5 parts of tristerin, 6-8 parts of sldium lauryl sulfate, 13-16 parts of phenyl triethoxysilane, 6-8 parts of dimethyl succinate；Anode material of lithium battery processing performance of the present invention is excellent, rationally electric conductivity, thermal conductivity and the chemical property of addition graphene enhancing lithium battery, by adding chromium, lanthanum element, and by being sintered stage by stage, improve the internal structure stability of lithium battery, the stability and energy density for improving battery, to postpone the service life of lithium battery.

Description

A kind of anode material of lithium battery and preparation method thereof
Technical field
The present invention relates to a kind of anode material of lithium battery and preparation method thereof, belong to lithium battery material processing technique field.
Background technique
Lithium ion battery since commercialization, positive electrode used in lithium ion battery be mostly LiMn2O4, LiMn2O4 or Ternary material etc., anode material of lithium battery specifically include that cobalt acid lithium, LiMn2O4, LiFePO4 and ternary material etc.；Positive electrode current The main production technology of material is: mixing material, pusher furnace or roller furnace sintering, coarse crushing, finely divided, mixed batch, screening, except iron, Packaging；It is in the past decade obtained extensively by the spinel-type positive electrode of representative and ternary material layered oxide of LiMn2O4 Research, but since its defect being individually present constrains their development prospect.
Graphene is a kind of graphite material of monoatomic layer thickness, has unique two-dimensional structure and excellent electricity, power And thermal property.It is a kind of electrode material of lithium battery with applications well prospect.Being obtained using graphene has spy The electrode material of different pattern and microstructure, can effectively improve every chemical property of material.
Summary of the invention
The drawbacks of in order to alleviate the prior art, improves the performance of lithium battery and the stability of battery structure, mesh of the invention Be a kind of anode material of lithium battery and preparation method thereof is provided.
To achieve the goals above, the present invention adopts the following technical scheme:
Anode material of lithium battery, based on the parts by weight of constitutive material, constitutive material are as follows: 63-67 parts of LiFePO4, vulcanization 12-15 parts ferrous, 10-15 parts of manganese sulfide, 6-8 parts of lanthana, 6-8 parts of chrome green, 17-22 parts of graphene, nickel oxide 2-5 Part, 6-8 parts of titanium dioxide, 7-12 parts of nanometer silicon carbide, 15-20 parts of oxalic acid, 5-7 parts of sodium carboxymethylcellulose, glycerol stearate 3-5 parts of ester, 6-8 parts of sldium lauryl sulfate, 13-16 parts of phenyl triethoxysilane, 6-8 parts of dimethyl succinate.
Anode material of lithium battery, based on the parts by weight of constitutive material, constitutive material are as follows: 65 parts of LiFePO4, vulcanization are sub- 13 parts of iron, 12 parts of manganese sulfide, 7 parts of lanthana, 7 parts of chrome green, 21 parts of graphene, 3.5 parts of nickel oxide, 7 parts of titanium dioxide, 11 parts of nanometer silicon carbide, 18 parts of oxalic acid, 6 parts of sodium carboxymethylcellulose, 4 parts of tristerin, 7 parts of sldium lauryl sulfate, benzene 15 parts of ethyl triethoxy silicane alkane, 7 parts of dimethyl succinate.
The preparation method of anode material of lithium battery, including the following contents:
(1) weigh each raw material by the parts by weight of constitutive material, first by lanthana, chrome green, graphene, nickel oxide, Titanium dioxide, nanometer silicon carbide are put into ball mill, and ball milling half an hour, is mixed under the revolving speed of revolving speed 800-1000rpm Powder is closed, for use；
(2) by sodium carboxymethylcellulose, tristerin, sldium lauryl sulfate, phenyl triethoxysilane, succinic acid Dimethyl ester is added in reaction vessel, and stirring is warming up to 95-105 DEG C of reaction 3-4h；Then above-mentioned steps (1) is added thereto Mixed powder, heating water bath 30-40 minutes handle, control bath temperature be 50-60 DEG C, after take out at 90-100 DEG C low temperature Drying, obtains persursor material；
(3) LiFePO4, ferrous sulfide, manganese sulfide are sequentially added in oxalic acid and is dissolved, add appropriate amount of deionized water, surpassed Sound decentralized processing is allowed to uniformly mixed and obtains solution；Then it is mixed with above-mentioned steps (2) persursor material, control stirring Speed is 450-550rpm, is preheated after mixing, sintering processes, after sintering cooled to room temperature up to lithium battery just Pole material.
The granularity of described step (1) mixed powder is 50-80 mesh.
The ultrasonic disperse processing power is 250-300W, and the processing time is 20-30min.
The calcined temperature is 350-400 DEG C, and burn-in time is 1-2 hour, sintering elder generation with 100-120 DEG C/it is small When rate be warming up to 550-580 DEG C, when keeping the temperature 1-2 hour, then being warming up to 880-930 DEG C with 80-90 DEG C/h of rate, keep the temperature 2.0-2.5 hour.
Beneficial effects of the present invention:
Compared with prior art, anode material of lithium battery processing performance of the present invention is excellent, and rationally adding graphene enhances lithium Electric conductivity, thermal conductivity and the chemical property of battery improve lithium battery by adding chromium, lanthanum element, and by being sintered stage by stage Internal structure stability, the stability and energy density of battery are improved, to postpone the service life of lithium battery.
The present invention is added to titanium dioxide, nanometer silicon carbide, increases the electric conductivity of lithium battery.
Specific embodiment
Embodiment 1: anode material of lithium battery, based on the weight (jin) of constitutive material, constitutive material are as follows: LiFePO4 65 Part, 13 parts of ferrous sulfide, 12 parts of manganese sulfide, 7 parts of lanthana, 7 parts of chrome green, 21 parts of graphene, 3.5 parts of nickel oxide, two 7 parts of titanium oxide, 11 parts of nanometer silicon carbide, 18 parts of oxalic acid, 6 parts of sodium carboxymethylcellulose, 4 parts of tristerin, laruyl alcohol sulphur 7 parts of sour sodium, 15 parts of phenyl triethoxysilane, 7 parts of dimethyl succinate.
The preparation method of anode material of lithium battery, including the following contents:
(1) weigh each raw material by the parts by weight of constitutive material, first by lanthana, chrome green, graphene, nickel oxide, Titanium dioxide, nanometer silicon carbide are put into ball mill, and ball milling half an hour, obtains 50 under the revolving speed of revolving speed 800-1000rpm Mesh mixed powder, for use；
(2) by sodium carboxymethylcellulose, tristerin, sldium lauryl sulfate, phenyl triethoxysilane, succinic acid Dimethyl ester is added in reaction vessel, and stirring is warming up to 95-105 DEG C of reaction 3-4h；Then above-mentioned steps (1) is added thereto Mixed powder, heating water bath 30-40 minutes handle, control bath temperature be 50-60 DEG C, after take out at 90-100 DEG C low temperature Drying, obtains persursor material；
(3) LiFePO4, ferrous sulfide, manganese sulfide are sequentially added in oxalic acid and is dissolved, add appropriate amount of deionized water, surpassed Sound decentralized processing 25min is allowed to uniformly mixed and obtains solution；Ultrasonic power is 250W, then with above-mentioned steps (2) presoma material Material is mixed, and control mixing speed is 450-550rpm, is preheated after mixing, sintering processes, naturally cold after sintering But to room temperature up to anode material of lithium battery.
The calcined temperature is 380 DEG C, and burn-in time is 1.5 hours, and the sintering is first with 110 DEG C/h of rate liters Temperature is to 560 DEG C, when keeping the temperature 1.5 hours, then being warming up to 900 DEG C with 85 DEG C/h of rates, keeps the temperature 2.5 hours.

Claims (6)

1. a kind of anode material of lithium battery, which is characterized in that based on the parts by weight of constitutive material, constitutive material are as follows: ferric phosphate 63-67 parts of lithium, 12-15 parts of ferrous sulfide, 10-15 parts of manganese sulfide, 6-8 parts of lanthana, 6-8 parts of chrome green, graphene 17- 22 parts, 2-5 parts of nickel oxide, 6-8 parts of titanium dioxide, 7-12 parts of nanometer silicon carbide, 15-20 parts of oxalic acid, sodium carboxymethylcellulose 5-7 Part, 3-5 parts of tristerin, 6-8 parts of sldium lauryl sulfate, 13-16 parts of phenyl triethoxysilane, dimethyl succinate 6- 8 parts.
2. anode material of lithium battery according to claim 1, which is characterized in that based on the parts by weight of constitutive material, group At raw material are as follows: 65 parts of LiFePO4,13 parts of ferrous sulfide, 12 parts of manganese sulfide, 7 parts of lanthana, 7 parts of chrome green, graphene 21 parts, 3.5 parts of nickel oxide, 7 parts of titanium dioxide, 11 parts of nanometer silicon carbide, 18 parts of oxalic acid, 6 parts of sodium carboxymethylcellulose, stearic acid 4 parts of glyceride, 7 parts of sldium lauryl sulfate, 15 parts of phenyl triethoxysilane, 7 parts of dimethyl succinate.
3. a kind of preparation method of anode material of lithium battery as described in claim 1, which is characterized in that including the following contents:
(1) each raw material is weighed by the parts by weight of constitutive material, first by lanthana, chrome green, graphene, nickel oxide, dioxy Change titanium, nanometer silicon carbide, puts into ball mill, ball milling half an hour, is mixed under the revolving speed of revolving speed 800-1000rpm Powder, for use；
(2) by sodium carboxymethylcellulose, tristerin, sldium lauryl sulfate, phenyl triethoxysilane, succinic acid diformazan Ester is added in reaction vessel, and stirring is warming up to 95-105 DEG C of reaction 3-4h；Then above-mentioned steps (1) mixing is added thereto Powder, heating water bath 30-40 minutes handle, control bath temperature be 50-60 DEG C, after take out at 90-100 DEG C low temperature dry It is dry, obtain persursor material；
(3) LiFePO4, ferrous sulfide, manganese sulfide are sequentially added in oxalic acid and is dissolved, add appropriate amount of deionized water, ultrasound point Processing is dissipated, is allowed to uniformly mixed and obtains solution；Then it is mixed with above-mentioned steps (2) persursor material, controls mixing speed It for 450-550rpm, is preheated after mixing, sintering processes, cooled to room temperature is after sintering up to lithium battery anode material Material.
4. the preparation method of anode material of lithium battery according to claim 3, which is characterized in that the step (1) is mixed The granularity for closing powder is 50-80 mesh.
5. the preparation method of anode material of lithium battery according to claim 3, which is characterized in that at the ultrasonic disperse Reason power is 250-300W, and the processing time is 20-30min.
6. the preparation method of anode material of lithium battery according to claim 3, which is characterized in that the calcined temperature is 350-400 DEG C, burn-in time is 1-2 hours, and the sintering is first warming up to 550-580 DEG C with 100-120 DEG C/h of rate, is protected It is 1-2 hours warm, then when being warming up to 880-930 DEG C with 80-90 DEG C/h of rate, keep the temperature 2.0-2.5 hours.
CN201811265369.XA 2018-10-29 2018-10-29 A kind of anode material of lithium battery and preparation method thereof Pending CN109494361A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112909225A (en) * 2019-12-04 2021-06-04 苹果公司 Cathode active material with silicon carbide additive
CN113745462A (en) * 2021-09-08 2021-12-03 四川朗晟新能源科技有限公司 Lithium battery positive electrode material and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106129366A (en) * 2016-08-23 2016-11-16 贵州玉屏迈威科技有限公司 A kind of anode material of lithium battery and preparation method thereof
CN107845829A (en) * 2017-10-12 2018-03-27 北京卫蓝新能源科技有限公司 A kind of two-layer compound diaphragm cell and its benefit lithium method
CN108493413A (en) * 2018-03-20 2018-09-04 陕西海恩新材料有限责任公司 A kind of anode material for lithium-ion batteries and preparation method thereof
WO2018164640A1 (en) * 2017-03-08 2018-09-13 Nanyang Technological University Electrode, electrochemical cell and methods of forming the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106129366A (en) * 2016-08-23 2016-11-16 贵州玉屏迈威科技有限公司 A kind of anode material of lithium battery and preparation method thereof
WO2018164640A1 (en) * 2017-03-08 2018-09-13 Nanyang Technological University Electrode, electrochemical cell and methods of forming the same
CN107845829A (en) * 2017-10-12 2018-03-27 北京卫蓝新能源科技有限公司 A kind of two-layer compound diaphragm cell and its benefit lithium method
CN108493413A (en) * 2018-03-20 2018-09-04 陕西海恩新材料有限责任公司 A kind of anode material for lithium-ion batteries and preparation method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112909225A (en) * 2019-12-04 2021-06-04 苹果公司 Cathode active material with silicon carbide additive
WO2021112952A1 (en) * 2019-12-04 2021-06-10 Apple Inc. Cathode active material with silicon carbide additive
US11271210B2 (en) 2019-12-04 2022-03-08 Apple Inc. Cathode active material with silicon carbide additive
CN113745462A (en) * 2021-09-08 2021-12-03 四川朗晟新能源科技有限公司 Lithium battery positive electrode material and preparation method thereof

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Application publication date: 20190319