CN105374996A - Method for treatment on high-voltage Ni-Co-Mn ternary positive electrode material by surface drying method - Google Patents

Method for treatment on high-voltage Ni-Co-Mn ternary positive electrode material by surface drying method Download PDF

Info

Publication number
CN105374996A
CN105374996A CN201510612529.3A CN201510612529A CN105374996A CN 105374996 A CN105374996 A CN 105374996A CN 201510612529 A CN201510612529 A CN 201510612529A CN 105374996 A CN105374996 A CN 105374996A
Authority
CN
China
Prior art keywords
cobalt
nickel
mixing
manganese
ternary material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510612529.3A
Other languages
Chinese (zh)
Inventor
王慧萍
李春春
张斌虎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Irico Group Electronics Co Ltd
Original Assignee
Irico Group Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Irico Group Electronics Co Ltd filed Critical Irico Group Electronics Co Ltd
Priority to CN201510612529.3A priority Critical patent/CN105374996A/en
Publication of CN105374996A publication Critical patent/CN105374996A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

A method for treatment on a high-voltage Ni-Co-Mn ternary positive electrode material by a surface drying method comprises the following steps of firstly, sieving and dispersing a lithium salt, weighing and adding the lithium salt and a Ni-Co-Mn hydroxide into a blending mixer for mixing according to a mole ratio of (1.0-1.2):1, mixing the lithium salt and the Ni-Co-Mn hydroxide to obtain mixed raw powder; secondly, loading and compacting the mixed raw powder in a pot, carrying out sintering in a high-temperature air atmosphere, cooling until the tapping temperature is less than or equal to 80 DEG C, taking a powder body out, and carrying out weak breaking, dispersing and sieving on the powder body in a drying room to obtain a high-dispersion Ni-Co-Mn ternary material substrate; thirdly, weighing and adding the high-dispersion Ni-Co-Mn ternary material substrate and a cladding agent A into a grinding blending mixer for mixing according to a mole ratio of 1:(0.1-0.001), and allowing the high-dispersion Ni-Co-Mn ternary material substrate and the cladding agent to be in mixed contact, thereby obtaining a mixed material; loading the mixed material in the pot, cooling after sintering the mixed material in the high-temperature air atmosphere to a solid phase until the tapping temperature is less than or equal to 80 DEG C, taking the powder body out, and carrying out sieving to obtain the high-voltage Ni-Co-Mn ternary material. According to the method, the high-voltage Ni-Co-Mn ternary positive electrode material which has the characteristics of high capacity, high cycle, high temperature and favorable safety can be prepared.

Description

A kind of method of surperficial dry process high voltage nickel-cobalt-manganternary ternary anode material
Technical field
The present invention relates to technical field of lithium ion, particularly a kind of preparation method of high voltage nickel-cobalt-manganternary ternary anode material of surperficial dry process.
Background technology
Nickel cobalt manganese (NCM) ternary material, because it possesses, high power capacity, safety are good, cheap etc. to be obtained researcher and pays close attention to widely.For meeting the demand of high energy battery, researcher proposes many modification thinkings to high voltage nickel cobalt-manganese ternary material surface modifying.At present, it is coated that what ternary material cladding applications was maximum are mainly wet method, but its complex process, cost is high, poor process control, requires higher to coating equipment, and the capacity of wet treatment on ternary material has impact, in the industry cycle there is larger dispute in the improvement degree of high temperature and fail safe; Adopt simple and effective method for coating, solve the bottleneck that nickel-cobalt-manganese ternary material surface instability problem becomes lithium electric industry circle.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of method of high voltage nickel-cobalt-manganternary ternary anode material of surperficial dry process, high power capacity can be produced, high circulation, the high voltage nickel-cobalt-manganternary ternary anode material that high temperatures fail safe is good.
To achieve these goals, technical scheme of the present invention is:
A method for surperficial dry process high voltage nickel-cobalt-manganternary ternary anode material, comprises the following steps:
Step 1, the preparation of polymolecularity nickel-cobalt-manganese ternary material matrix:
Batch mixing: lithium salts is carried out 70 ~ 200 orders and to sieve dispersion, except after Slag treatment with nickel cobalt manganese hydroxide in molar ratio (1.0 ~ 1.2): 1 weigh after add rotating speed and mix in 300-600n/min batch mixer, carry out fully mixing 1 ~ 2h, obtain mixing cornflour;
Sintering: mixing cornflour is filled crucible compacting, temperature be in 700 ~ 1000 DEG C of air atmospheres sinter 5 ~ 20h, be then cooled to tapping temperature≤80 DEG C, take out powder, after carrying out weak broken, dispersion at drying room, crossing 300 mesh sieve process, namely secure satisfactory grades loose nickel-cobalt-manganese ternary material matrix;
Step 2, the coated process of dry surface:
Batch mixing: high dispersive nickel-cobalt-manganese ternary material matrix and covering A are by 1:(0.1 ~ 0.001) molar ratio takes and adds to grind in batch mixer and mix 2 ~ 8h, high dispersive nickel-cobalt-manganese ternary material matrix is contacted with covering A Homogeneous phase mixing, obtains mixed material.
Sintering: mixed material is filled crucible, at temperature 700 ~ 1000 DEG C, fires after 5 ~ 15h becomes solid phase and be cooled to tapping temperature≤80 DEG C in air atmosphere, takes out powder, crosses 300 mesh sieve process, obtains high voltage nickel cobalt-manganese ternary material.
The chemical expression of the nickel cobalt manganese hydroxide in described step 1 is: Ni xco ymn z(OH) 2, wherein x+y+z=1.
In described step 2, covering A is nano-scale particle, is Divalent metal hydroxide and the auxiliary agent mixture by 1:0 ~ 0.5 molar ratio; Wherein auxiliary agent is one or more mixtures of metal oxide.
Described step 1, in step 2, air atmosphere is by upper and lower tonifying Qi mode, ensures uniform alumina reaction.
The present invention has the following advantages: one is manufacture dispersed ternary material matrix; Two is that on the basis of material height dispersion, carry out dry laminating coated, a kind of smooth coating layer is formed at substrate material surface, under the prerequisite of protective material surface characteristic, take into account the cyclicity of material, security performance, effectively reduces the residual lithium amount of nickel-cobalt-manganese ternary material surface and the adaptability to environment; Three is that technique is simple, and workable, lot stability is high, is applicable to large batch of large-scale production.
Its performance index: polymolecularity nickel-cobalt-manganese ternary material matrix, namely control current rate and number of times, make dispersed parameter D n-D s≤ 0.2 (D n, D sfor sample ultrasonic forward and backward center granularity in water, D n-D s=D n50– D s50).High voltage condition is: >=4.35V.
Embodiment
Embodiment one
Step 1, the preparation of polymolecularity nickel-cobalt-manganese ternary material matrix:
Batch mixing: lithium salts is carried out 70 orders and to sieve dispersion, except after Slag treatment with nickel cobalt manganese hydroxide be in molar ratio: it is 500n/min batch mixer that 1.05:1 adds rotating speed, fully mixes 1.5h, obtains mixing cornflour;
Sintering: mixing cornflour is filled crucible compacting, be sinter 8h in the firing furnace of 960 DEG C of air in temperature, be then cooled to tapping temperature≤80 DEG C, take out powder, after carrying out weak broken, dispersion at drying room, crossing 300 mesh sieve process, namely secure satisfactory grades loose nickel-cobalt-manganese ternary material matrix.
Step 2, the coated process of dry surface:
Batch mixing: high dispersive nickel-cobalt-manganese ternary material matrix and covering A are in molar ratio for 1:0.03 takes, wherein covering A is: hydroxide cobalt and lanthana are that 1:0.1 mixes according to mol ratio, then adds in grinding batch mixer and mixes 3h, make its Homogeneous phase mixing, contact, obtains mixed material;
Sintering: mixed material is filled crucible, and 940 DEG C of high temperature solid-state, fire 8h in air atmosphere, be cooled to tapping temperature≤80 DEG C, takes out powder, crosses 300 mesh sieve process, obtains target product one.
Embodiment two
Step 1, the preparation of polymolecularity nickel-cobalt-manganese ternary material matrix:
Batch mixing: lithium salts is carried out 100 orders and to sieve dispersion, except after Slag treatment with nickel cobalt manganese hydroxide be in molar ratio: 1.08:1 adds the batch mixer that rotating speed is 600n/min, fully mixes 1h, obtains mixing cornflour;
Sintering: mixing cornflour is filled crucible compacting, be sinter 12h in the firing furnace of the air of 940 DEG C in temperature, be then cooled to tapping temperature≤80 DEG C, take out powder, after carrying out weak broken, dispersion at drying room, crossing 300 mesh sieve process, namely secure satisfactory grades loose nickel-cobalt-manganese ternary material matrix.
Step 2, the coated process of dry surface:
Batch mixing: high dispersive nickel-cobalt-manganese ternary material matrix and covering A are in molar ratio for 1:0.03 takes, wherein covering A is: hydroxide cobalt and titanium oxide, in molar ratio for 1:0.15 mixes, then add in grinding batch mixer and mix 6h, make its Homogeneous phase mixing, contact, obtains mixed material;
Sintering: mixed material is filled crucible, and 920 DEG C of high temperature solid-state, fire 12h in air atmosphere, be cooled to tapping temperature≤80 DEG C, takes out powder, crosses 300 mesh sieve process, obtains target product two.
Embodiment three
Step 1, the preparation of polymolecularity nickel-cobalt-manganese ternary material matrix:
Batch mixing: lithium salts is carried out 150 orders and to sieve dispersion, except after Slag treatment with nickel cobalt manganese hydroxide be in molar ratio: 1.1:1 adds the batch mixer that rotating speed is 400n/min, fully mixes 2h, obtains mixing cornflour;
Sintering: mixing cornflour is filled crucible compacting, be sinter 15h in the firing furnace of the air of 910 DEG C in temperature, be then cooled to tapping temperature≤80 DEG C, take out powder, after carrying out weak broken, dispersion at drying room, crossing 300 mesh sieve process, namely secure satisfactory grades loose nickel-cobalt-manganese ternary material matrix.
Step 2, the coated process of dry surface:
Batch mixing: high dispersive nickel-cobalt-manganese ternary material matrix and covering A are in molar ratio for 1:0.1 takes, wherein covering A is: hydroxide cobalt: zirconic mol ratio: 1:0.1, then adds in grinding batch mixer and mixes 5h, make its Homogeneous phase mixing, contact, obtains mixed material;
Sintering: mixed material is filled crucible, and 880 DEG C of high temperature solid-state, burn till 15h in air atmosphere, be cooled to tapping temperature≤80 DEG C, takes out powder, crosses 300 mesh sieve process, obtains target product three.
Comparison example
Step 1, the preparation of polymolecularity nickel-cobalt-manganese ternary material matrix:
Batch mixing: lithium salts is carried out 70 orders and to sieve dispersion, except after Slag treatment with nickel cobalt manganese hydroxide be in molar ratio: 1.08:1 adds the batch mixer that rotating speed is 600n/min, fully mixes 1h, obtains mixing cornflour;
Sintering: mixing cornflour is filled crucible compacting, be sinter 12h in the firing furnace of the air of 940 DEG C, be then cooled to tapping temperature≤80 DEG C in temperature, takes out powder, after carrying out weak broken, dispersion, crossing 300 mesh sieve process, obtains contrast product at drying room.
Sample test comparing result:
1. residual alkali number test: Li 2cO 3%, LiOH%, adopt ICP test;
2. electro-chemical test condition (3.0-4.6) V detains electrical testing, and 0.2C fills-puts-fills, 1C, the capability retention of 100 circle electric discharges.
Table 1: the residual lithium test comparison of embodiment sample
Conclusion: as can be seen from table one, compared with comparative sample, the residual lithium amount in surface of the target product after dry surface process obviously reduces, and is conducive to material at high temperature performance, the performance of security performance.
Table 2: embodiment button battery testing contrasts
Conclusion: as can be seen from table two, compared with comparative sample, the target product after dry surface process is under the prerequisite taking into account capacity performance, and cycle performance is greatly improved, 100 circle circulation volume conservation rates bring up to more than 93.8.% by 78.8%, can meet needed for high voltage circulation.

Claims (7)

1. a method for surperficial dry process high voltage nickel-cobalt-manganternary ternary anode material, is characterized in that, comprise the following steps:
Step 1, the preparation of polymolecularity nickel-cobalt-manganese ternary material matrix:
Batch mixing: lithium salts is carried out 70 ~ 200 orders and to sieve dispersion, except after Slag treatment with nickel cobalt manganese hydroxide 1:(1.0 ~ 1.2 in molar ratio) weigh after add rotating speed and mix in 300-600n/min batch mixer, carry out fully mixing 1 ~ 2h, obtain mixing cornflour;
Sintering: mixing cornflour is filled crucible compacting, temperature be in 700 ~ 1000 DEG C of air atmospheres sinter 5 ~ 20h, be then cooled to tapping temperature≤80 DEG C, take out powder, after carrying out weak broken, dispersion at drying room, crossing 300 mesh sieve process, namely secure satisfactory grades loose nickel-cobalt-manganese ternary material matrix;
Step 2, the coated process of dry surface:
Batch mixing: high dispersive nickel-cobalt-manganese ternary material matrix and covering A are by 1:(0.1 ~ 0.001) molar ratio takes and adds to grind in batch mixer and mix 2 ~ 8h, high dispersive nickel-cobalt-manganese ternary material matrix is contacted with covering A Homogeneous phase mixing, obtains mixed material;
Sintering: mixed material is filled crucible, at temperature 700 ~ 1000 DEG C, fires after 5-15h becomes solid phase and be cooled to tapping temperature≤80 DEG C in air atmosphere, takes out powder, crosses 300 mesh sieve process, obtains high voltage nickel cobalt-manganese ternary material.
2. the method for a kind of surperficial dry process high voltage nickel-cobalt-manganternary ternary anode material according to claim 1, is characterized in that, the chemical expression of the nickel cobalt manganese hydroxide in described step 1 is: Ni xco ymn z(OH) 2, wherein x+y+z=1.
3. the method for a kind of surperficial dry process high voltage nickel-cobalt-manganternary ternary anode material according to claim 1, it is characterized in that, in described step 2, covering A is nano-scale particle, is Divalent metal hydroxide and the auxiliary agent mixture by 1:0 ~ 0.5 molar ratio; Wherein auxiliary agent is one or more mixtures of metal oxide.
4. the method for a kind of surperficial dry process high voltage nickel-cobalt-manganternary ternary anode material according to claim 1, it is characterized in that, described step 1, in step 2, air atmosphere is by upper and lower tonifying Qi mode, ensures uniform alumina reaction.
5. the method for a kind of surperficial dry process high voltage nickel-cobalt-manganternary ternary anode material according to claim 1, is characterized in that, comprise the following steps:
Step 1, the preparation of polymolecularity nickel-cobalt-manganese ternary material matrix:
Batch mixing: lithium salts is carried out 70 orders and to sieve dispersion, except after Slag treatment with nickel cobalt manganese hydroxide be in molar ratio: it is 500n/min batch mixer that 1.05:1 adds rotating speed, fully mixes 1.5h, obtains mixing cornflour;
Sintering: mixing cornflour is filled crucible compacting, be sinter 8h in the firing furnace of the air of 960 DEG C in temperature, be then cooled to tapping temperature≤80 DEG C, take out powder, after carrying out weak broken, dispersion at drying room, crossing 300 mesh sieve process, namely secure satisfactory grades loose nickel-cobalt-manganese ternary material matrix;
Step 2, the coated process of dry surface:
Batch mixing: high dispersive nickel-cobalt-manganese ternary material matrix and covering A are in molar ratio for 1:0.03 takes, wherein covering A is: hydroxide cobalt and lanthana are that 1:0.1 mixes according to mol ratio, then adds in grinding batch mixer and mixes 3h, make its Homogeneous phase mixing, contact, obtains mixed material;
Sintering: mixed material is filled crucible, and 940 DEG C of high temperature solid-state, burn till 8h in air atmosphere, be cooled to tapping temperature≤80 DEG C, takes out powder, crosses 300 mesh sieve process, obtains high voltage nickel cobalt-manganese ternary material.
6. the method for a kind of surperficial dry process high voltage nickel-cobalt-manganternary ternary anode material according to claim 1, is characterized in that comprising the following steps:
Step 1, the preparation of polymolecularity nickel-cobalt-manganese ternary material matrix:
Batch mixing: lithium salts is carried out 100 orders and to sieve dispersion, except after Slag treatment with nickel cobalt manganese hydroxide be in molar ratio: 1.08:1 adds the batch mixer that rotating speed is 600n/min, fully mixes 1h, obtains mixing cornflour;
Sintering: mixing cornflour is filled crucible compacting, be sinter 12h in the firing furnace of the air of 940 DEG C in temperature, be then cooled to tapping temperature≤80 DEG C, take out powder, after carrying out weak broken, dispersion at drying room, crossing 300 mesh sieve process, namely secure satisfactory grades loose nickel-cobalt-manganese ternary material matrix;
Step 2, the coated process of dry surface:
Batch mixing: high dispersive nickel-cobalt-manganese ternary material matrix and covering A are in molar ratio for 1:0.03 takes, wherein covering A is: hydroxide cobalt and titanium oxide, in molar ratio for 1:0.15 mixes, then add in grinding batch mixer and mix 6h, make its Homogeneous phase mixing, contact, obtains mixed material;
Sintering: mixed material is filled crucible, and 920 DEG C of high temperature solid-state, burn till 12h in air atmosphere, be cooled to tapping temperature≤80 DEG C, takes out powder, crosses 300 mesh sieve process, obtains high voltage nickel cobalt-manganese ternary material.
7. the method for a kind of surperficial dry process high voltage nickel-cobalt-manganternary ternary anode material according to claim 1, is characterized in that comprising the following steps:
Step 1, the preparation of polymolecularity nickel-cobalt-manganese ternary material matrix:
Batch mixing: lithium salts is carried out 200 orders and to sieve dispersion, except after Slag treatment with nickel cobalt manganese hydroxide be in molar ratio: 1.1:1 adds the batch mixer that rotating speed is 400n/min, fully mixes 2h, obtains mixing cornflour;
Sintering: mixing cornflour is filled crucible compacting, be sinter 15h in the firing furnace of the air of 910 DEG C in temperature, be then cooled to tapping temperature≤80 DEG C, take out powder, after carrying out weak broken, dispersion at drying room, crossing 300 mesh sieve process, namely secure satisfactory grades loose nickel-cobalt-manganese ternary material matrix;
Step 2, the coated process of dry surface:
Batch mixing: high dispersive nickel-cobalt-manganese ternary material matrix and covering A are in molar ratio for 1:0.1 takes, wherein covering A is: hydroxide cobalt: zirconic mol ratio: 1:0.1, then adds in grinding batch mixer and mixes 5h, make its Homogeneous phase mixing, contact, obtains mixed material;
Sintering: mixed material is filled crucible, and 880 DEG C of high temperature solid-state, burn till 15h in air atmosphere, be cooled to tapping temperature≤80 DEG C, takes out powder, crosses 300 mesh sieve process, obtains high voltage nickel cobalt-manganese ternary material.
CN201510612529.3A 2015-09-23 2015-09-23 Method for treatment on high-voltage Ni-Co-Mn ternary positive electrode material by surface drying method Pending CN105374996A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510612529.3A CN105374996A (en) 2015-09-23 2015-09-23 Method for treatment on high-voltage Ni-Co-Mn ternary positive electrode material by surface drying method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510612529.3A CN105374996A (en) 2015-09-23 2015-09-23 Method for treatment on high-voltage Ni-Co-Mn ternary positive electrode material by surface drying method

Publications (1)

Publication Number Publication Date
CN105374996A true CN105374996A (en) 2016-03-02

Family

ID=55376965

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510612529.3A Pending CN105374996A (en) 2015-09-23 2015-09-23 Method for treatment on high-voltage Ni-Co-Mn ternary positive electrode material by surface drying method

Country Status (1)

Country Link
CN (1) CN105374996A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106941162A (en) * 2017-04-07 2017-07-11 山东玉皇新能源科技有限公司 Surface cladding type tertiary cathode material and preparation method thereof
CN107293721A (en) * 2017-07-07 2017-10-24 淮安新能源材料技术研究院 A kind of 523 type nickel-cobalt-manganternary ternary anode material method for preparing solid phase and products thereof
CN107968193A (en) * 2017-11-22 2018-04-27 江门市科恒实业股份有限公司 A kind of preparation method and battery of high power capacity tertiary cathode material
CN108206279A (en) * 2016-12-16 2018-06-26 宁德时代新能源科技股份有限公司 High-nickel ternary cathode material of lithium ion battery, preparation method of high-nickel ternary cathode material and lithium ion battery
CN108878819A (en) * 2018-06-19 2018-11-23 合肥国轩高科动力能源有限公司 A kind of anode material for lithium-ion batteries and preparation method thereof of the low lithium ion content in surface
CN109037605A (en) * 2018-06-21 2018-12-18 佛山市德方纳米科技有限公司 A kind of high circulation nickel-cobalt-manganese ternary material and preparation method thereof
CN109686932A (en) * 2018-12-12 2019-04-26 无锡晶石新型能源股份有限公司 A kind of preparation method by the nickelic tertiary cathode material of polynary coating modification
CN109686968A (en) * 2018-12-12 2019-04-26 无锡晶石新型能源股份有限公司 The preparation method of high voltage nickel cobalt-manganese ternary material
CN111313024A (en) * 2020-02-24 2020-06-19 江门市科恒实业股份有限公司 Nano-lithium magnesium silicate coated high-nickel cathode material and preparation method and application thereof
CN111525109A (en) * 2020-04-26 2020-08-11 陕西红马科技有限公司 Preparation method of layered nickel-manganese binary positive electrode material coated with titanium-cobalt coating
CN114538532A (en) * 2022-01-11 2022-05-27 宜宾锂宝新材料有限公司 Preparation method of high-nickel ternary cathode material and prepared high-nickel ternary cathode material
CN114560510A (en) * 2022-01-25 2022-05-31 合肥融捷能源材料有限公司 Modified 7-series ternary cathode material and preparation method and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103794763A (en) * 2014-03-03 2014-05-14 中信国安盟固利电源技术有限公司 Lithium ion cell anode material coated with nanometer metal and manufacturing method of lithium ion cell anode material
CN103872328A (en) * 2014-03-12 2014-06-18 南通瑞翔新材料有限公司 Positive electrode active material for lithium ion secondary battery and preparation method for positive electrode active material
JP2014127235A (en) * 2012-12-25 2014-07-07 Toyota Industries Corp Lithium ion secondary battery cathode and manufacturing method thereof, and lithium ion secondary battery
CN104485452A (en) * 2014-12-30 2015-04-01 中信国安盟固利电源技术有限公司 High-temperature type lithium manganate anode material for power lithium ion battery and preparation method of high-temperature type lithium manganate anode material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014127235A (en) * 2012-12-25 2014-07-07 Toyota Industries Corp Lithium ion secondary battery cathode and manufacturing method thereof, and lithium ion secondary battery
CN103794763A (en) * 2014-03-03 2014-05-14 中信国安盟固利电源技术有限公司 Lithium ion cell anode material coated with nanometer metal and manufacturing method of lithium ion cell anode material
CN103872328A (en) * 2014-03-12 2014-06-18 南通瑞翔新材料有限公司 Positive electrode active material for lithium ion secondary battery and preparation method for positive electrode active material
CN104485452A (en) * 2014-12-30 2015-04-01 中信国安盟固利电源技术有限公司 High-temperature type lithium manganate anode material for power lithium ion battery and preparation method of high-temperature type lithium manganate anode material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
禹筱元等: "沉淀法制备LiNi1/3Co1/3Mn1/3O2正极材料", 《武汉理工大学学报》 *

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108206279A (en) * 2016-12-16 2018-06-26 宁德时代新能源科技股份有限公司 High-nickel ternary cathode material of lithium ion battery, preparation method of high-nickel ternary cathode material and lithium ion battery
CN108206279B (en) * 2016-12-16 2021-02-19 宁德时代新能源科技股份有限公司 Preparation method of high-nickel ternary cathode material with lithium salt coating layer coated on surface for lithium ion battery and lithium ion battery
CN106941162B (en) * 2017-04-07 2019-08-02 山东玉皇新能源科技有限公司 Surface cladding type tertiary cathode material and preparation method thereof
CN106941162A (en) * 2017-04-07 2017-07-11 山东玉皇新能源科技有限公司 Surface cladding type tertiary cathode material and preparation method thereof
CN107293721A (en) * 2017-07-07 2017-10-24 淮安新能源材料技术研究院 A kind of 523 type nickel-cobalt-manganternary ternary anode material method for preparing solid phase and products thereof
CN107968193A (en) * 2017-11-22 2018-04-27 江门市科恒实业股份有限公司 A kind of preparation method and battery of high power capacity tertiary cathode material
CN108878819A (en) * 2018-06-19 2018-11-23 合肥国轩高科动力能源有限公司 A kind of anode material for lithium-ion batteries and preparation method thereof of the low lithium ion content in surface
CN109037605A (en) * 2018-06-21 2018-12-18 佛山市德方纳米科技有限公司 A kind of high circulation nickel-cobalt-manganese ternary material and preparation method thereof
CN109037605B (en) * 2018-06-21 2021-04-16 佛山市德方纳米科技有限公司 High-cycle nickel-cobalt-manganese ternary material and preparation method thereof
CN109686968A (en) * 2018-12-12 2019-04-26 无锡晶石新型能源股份有限公司 The preparation method of high voltage nickel cobalt-manganese ternary material
CN109686932A (en) * 2018-12-12 2019-04-26 无锡晶石新型能源股份有限公司 A kind of preparation method by the nickelic tertiary cathode material of polynary coating modification
CN111313024A (en) * 2020-02-24 2020-06-19 江门市科恒实业股份有限公司 Nano-lithium magnesium silicate coated high-nickel cathode material and preparation method and application thereof
CN111313024B (en) * 2020-02-24 2021-04-13 江门市科恒实业股份有限公司 Nano-lithium magnesium silicate coated high-nickel cathode material and preparation method and application thereof
CN111525109A (en) * 2020-04-26 2020-08-11 陕西红马科技有限公司 Preparation method of layered nickel-manganese binary positive electrode material coated with titanium-cobalt coating
CN111525109B (en) * 2020-04-26 2023-04-11 陕西红马科技有限公司 Preparation method of layered nickel-manganese binary positive electrode material coated with titanium-cobalt coating
CN114538532A (en) * 2022-01-11 2022-05-27 宜宾锂宝新材料有限公司 Preparation method of high-nickel ternary cathode material and prepared high-nickel ternary cathode material
CN114538532B (en) * 2022-01-11 2024-03-22 宜宾锂宝新材料有限公司 Preparation method of high-nickel ternary cathode material and prepared high-nickel ternary cathode material
CN114560510A (en) * 2022-01-25 2022-05-31 合肥融捷能源材料有限公司 Modified 7-series ternary cathode material and preparation method and application thereof
CN114560510B (en) * 2022-01-25 2023-10-24 合肥融捷能源材料有限公司 Modified 7-series ternary cathode material and preparation method and application thereof

Similar Documents

Publication Publication Date Title
CN105374996A (en) Method for treatment on high-voltage Ni-Co-Mn ternary positive electrode material by surface drying method
CN105118967B (en) A kind of doping tertiary cathode material of metal oxide coating modification and preparation method thereof
CN105355905B (en) A kind of preparation method of high voltage modification lithium-ion battery anode material nickel ion doped
CN103474645B (en) The preparation method of lithium titanate
JP2017091955A (en) Lithium ion conductor and lithium ion battery using the same
CN102275887A (en) Preparation method of high capacity high compacted density lithium iron phosphate material and product thereof
CN104600285B (en) Method for preparing spherical lithium nickel manganese oxide positive pole material
CN106299328B (en) To the doping method of lithium-rich oxide anode material, material and preparation method
CN106159244A (en) Lithium battery cathode material, preparation method thereof and lithium ion battery for power
CN102627332A (en) Oxide solid solution, preparation method of oxide solid solution, lithium ion battery anode material and preparation method of lithium ion battery anode material
CN102959770B (en) Prepare the method for lithium-mixed-metal oxides and the purposes as cathode material thereof
CN104300119A (en) Preparation method for lithium iron phosphate cathode material
CN103715412A (en) Preparation method of nickel cobalt lithium manganate as high voltage lithium battery anode material
CN107968193A (en) A kind of preparation method and battery of high power capacity tertiary cathode material
CN108649195A (en) A kind of nickelic ternary lithium battery material of polythiophene base and preparation method
JPWO2016148096A1 (en) Method for producing lithium metal composite oxide having layer structure
JP2016213181A (en) Lithium ion conductor and lithium ion battery prepared therewith
CN105473506B (en) Use the titanium oxide manufacture method for the porosity titanium compound for being impregnated with solution
CN102938458A (en) Method for preparing fused salt-oxalate co-precipitation of lithium-rich materials for lithium batteries
CN104124448A (en) Preparation method of high-voltage lithium cobaltate positive electrode material
CN106082286B (en) A kind of thermal battery electrolyte inhibitor MgO and preparation method thereof
Yin et al. Recent Advances and Perspectives on the Promising High‐Voltage Cathode Material of Na3 (VO) 2 (PO4) 2F
CN102468489B (en) Method for producing lithium iron phosphate material and lithium iron phosphate powder produced thereby
CN107611413B (en) Preparation method of titanium-doped lithium iron phosphate positive electrode material
Zhou et al. Perspective on the Preparation Methods of Single Crystalline High Nickel Oxide Cathode Materials

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160302