[go: up one dir, main page]

CN102328961A - Precursor of nickel cobalt lithium manganate positive material for lithium ion battery and production method thereof - Google Patents

Precursor of nickel cobalt lithium manganate positive material for lithium ion battery and production method thereof Download PDF

Info

Publication number
CN102328961A
CN102328961A CN201110263741A CN201110263741A CN102328961A CN 102328961 A CN102328961 A CN 102328961A CN 201110263741 A CN201110263741 A CN 201110263741A CN 201110263741 A CN201110263741 A CN 201110263741A CN 102328961 A CN102328961 A CN 102328961A
Authority
CN
China
Prior art keywords
nickel
cobalt
manganese
alloy powder
precursor
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
CN201110263741A
Other languages
Chinese (zh)
Inventor
蒋庆来
齐士博
杨先锋
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.)
National Engineering Research Center of Advanced Energy Storage Materials Shenzhen Co Ltd
Original Assignee
National Engineering Research Center of Advanced Energy Storage Materials Shenzhen 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 National Engineering Research Center of Advanced Energy Storage Materials Shenzhen Co Ltd filed Critical National Engineering Research Center of Advanced Energy Storage Materials Shenzhen Co Ltd
Priority to CN201110263741A priority Critical patent/CN102328961A/en
Publication of CN102328961A publication Critical patent/CN102328961A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention provides a precursor of a nickel cobalt lithium manganate positive material for a lithium ion battery and a production method thereof. The chemical formula of the precursor of the nickel cobalt lithium manganate positive material is (Ni[1-x-y]CoxMny)Odelta, wherein 0.5<delta<1.5, 0<x<1, 0<y<1, 0<x+y<1, the average particle size D50 is 5-15mu m, apparent density is larger than or equal to 1.8g/cm<3>, and tap density is larger than or equal to 2.5g/cm<3>. The production method of the precursor of the nickel cobalt lithium manganate positive material for the lithium ion battery comprises the following steps: (1) preparing nickel-cobalt-manganese alloy powder; and (2) oxidizing the nickel-cobalt-manganese alloy powder into nickel-cobalt-manganese oxides. The production method has the advantages of simple process, high production efficiency, little environment pollution and low production cost.

Description

Lithium ion battery is with nickle cobalt lithium manganate positive electrode material presoma and working method thereof
Technical field
The present invention relates to a kind of lithium ion battery with nickle cobalt lithium manganate positive electrode material presoma and working method thereof, specifically, relate to a kind of preparation nickle cobalt lithium manganate positive electrode material with high-density nickel, cobalt and manganese oxide and existence method thereof.
Background technology
Lithium ion battery has specific storage height, Heat stability is good, advantage such as cheap with nickle cobalt lithium manganate positive electrode material (ternary material); Be a kind of positive electrode material that substitutes in the cobalt acid lithium material tool potentiality, have good application prospect in power fields such as power truck, power tools.
Existing preparation lithium ion battery mostly is that the nickel cobalt manganese oxyhydroxide that obtains of employing coprecipitation method or carbonate are as precursor with the presoma of ternary material.This presoma pattern is spherical, and median size (D50) is 5 ~ 15 μ m, and density is lower, and loose density is at 1.5 g/cm 3About, tap density is at 1.8 g/cm 3About.Adopt this presoma to prepare ternary material, in follow-up high-temperature calcination reaction process, will decompose a large amount of gas of generation, produce pore, reduce the density of material, influence the volume energy density of material at material internal.Thus, can nickel cobalt manganese oxyhydroxide or the carbonate that deposition obtains be carried out thermolysis, generate nickel, cobalt and manganese oxide as precursor, this precursor more helps in the subsequent processes the further uniform mixing with lithium-containing compound.
CN101284684A discloses a kind of preparation method of nickel-cobalt-lithium manganate precursor of lithium ionic cell positive material, and the chemical constitution of its presoma is (Ni xCo yMn 1-x-y) 3O 4, x+y wherein<1, it is characterized in that its preparation process is in the solution that contains soluble nickel salt, cobalt salt, manganese salt, to add the alkali lye that contains ammoniacal liquor to carry out coprecipitation reaction, precipitated product is calcined again, and obtains oxide compound (Ni xCo yMn 1-x-y) 3O 4This preparation method, flow process is longer, and production efficiency is lower; In addition, unavoidably produce great amount of wastewater, direct discharging of waste water can cause more serious pollution to environment, and wastewater treatment qualified discharge cost is high, deficiency in economic performance.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of technology simple, and production efficiency is high, and environmental pollution is few, high-density nickel, cobalt and manganese oxide and working method thereof that production cost is low.
The technical solution adopted for the present invention to solve the technical problems is:
The present invention's nickel, cobalt and manganese oxide chemical formula is (Ni 1-x-yCo xMn y) O δ, wherein 0.5<δ<1.5,0<x<1,0<y<1,0<x+y<1; Median size D50 is 5 ~ 15 μ m, loose density>=1.8 g/cm 3, tap density>=2.5 g/cm 3
The working method of the present invention's nickel, cobalt and manganese oxide may further comprise the steps:
(1) preparation of nickel cobalt manganese alloy powder
Is the mixed batching of (1-x-y): x:y with metallic nickel, cobalt, manganese according to mol ratio, wherein 0.5 < δ < 1.5,0≤x < 1; 0≤y 1,0 < x+y≤1, put into high-temperature smelting pot then; Having under rare gas element or the nitrogen protection condition; Be warming up to the above temperature fusion of alloy melting point, the granulation that atomizes after the fusion obtains the nickel cobalt manganese alloy powder;
(2) the nickel cobalt manganese alloy powder is oxidized to nickel, cobalt and manganese oxide
To place band to stir the oxidized still of ventilation through the nickel cobalt manganese alloy powder of step (1) gained; Stir, stirring velocity is 50 ~ 100 r/min, feeds pressurized air or oxygen; Air pressure is 0.3 ~ 0.8 MPa; Material is remained on carry out roasting oxidation under the dynamic situation, oxidizing temperature is 400 ℃～1000 ℃ (preferred 700 ℃～900 ℃), and oxidization time is 0.5 h～10 h (preferred 1 h～6 h); Product after the oxidation changes airflow milling at last over to and carries out break process, and air consumption is 1 ~ 1.5 m 3/ min, air pressure is 0.8 ~ 1 MPa, being crushed to median size D50 is 5 ~ 15 μ m.
Gained nickel, cobalt and manganese oxide finished product loose density>=1.8 g/cm 3, tap density>=2.5 g/cm 3
The present invention's lithium ion battery is with ternary material presoma working method; Directly adopt nickel, cobalt, manganese metal as raw material; Process uniform alloy powder through high temperature atomizing, carry out oxidation again and produce, at utmost improve the density of product with the method for lithium compound roasting lithiumation; Solid reaction process for solid-or consolidate-solid/liquid/gas reactions, no liquid phase reaction does not produce any waste water and waste gas, environmental friendliness; Need not filter and drying, technological process is simple, and production efficiency is high; Do not adopt the soluble metallic salt and the complex apparatus system of high price, compare at aspects such as starting material, equipment and manpowers with existing technology and all to have cost advantage; Through the metal melting attitude, can realize the uniform mixing of three kinds of atoms metal levels; The nickel, cobalt and manganese oxide density that makes is big, and controllable granularity satisfies the requirement of anode material for lithium-ion batteries, more helps in the subsequent processes and the further uniform mixing of lithium-containing compound.
Description of drawings
Fig. 1 presses the X-ray diffractogram in the method testing process of GB/T19077.1-2008 " sreen analysis laser diffractometry " to nickle cobalt lithium manganate positive electrode material presoma among the embodiment 1;
Fig. 2 is the scanning electron microscope diagram of embodiment 1 gained nickle cobalt lithium manganate positive electrode material presoma.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
Said nickel cobalt manganese alloy powder of each embodiment or nickel, cobalt and manganese oxide product correlation parameter, granularity D50 are pressed GB/T19077.1-2008 " sreen analysis laser diffractometry " prescriptive procedure and are measured; Loose density is pressed the method for GB/T 5061-1998 " mensuration the 3rd part of metal-powder loose density: vibration funnel method " and is measured; Tap density is pressed GB/T5162-2006 " mensuration of metal-powder tap density " prescriptive procedure and is measured.
Embodiment 1
The nickle cobalt lithium manganate positive electrode material presoma (Ni of present embodiment 1/3Co 1/3Mn 1/3) 3O 4Working method, comprise the steps:
(1) preparation of nickel cobalt manganese alloy powder
Is nickel with metallic nickel, cobalt, manganese according to mol ratio: the mixed batching of cobalt: manganese=1:1:1; Compound under the nitrogen protection condition, heating and melting, the metal liquid after the fusion is atomized by the elevated pressure nitrogen air-flow; Air pressure is 3 MPa; Flow velocity is 3 kg/min, and the metal-powder after the atomizing solidifies in atomisation tower, sedimentation, fall into and receive the powder jar and collect at last, obtains the nickel cobalt manganese alloy powder;
The nickel cobalt manganese alloy powder particles is a regular spherical, and loose density reaches 5.1 g/cm 3, tap density reaches 5.6 g/cm 3Nickel, cobalt, the fusion at high temperature of manganese metal make alloy powder on composition, reach the uniform mixing of atomic level, help the nickel, cobalt and manganese oxide of subsequent preparation high evenness;
(2) the nickel cobalt manganese alloy powder is oxidized to nickel, cobalt and manganese oxide
Place band to stir the oxidized still of ventilation in the nickel cobalt manganese alloy powder of step (1) gained, stir, stirring velocity is 50 r/min; Feed pressurized air, air pressure is 0.7 MPa, material is remained on carry out roasting oxidation under the dynamic situation; Oxidizing temperature is 900 ℃; Oxidization time is 3 h, and the product after the oxidation changes airflow milling at last over to and carries out break process, and air consumption is 1.5 m 3/ min, air pressure is 0.8 MPa.
Gained nickel, cobalt and manganese oxide (Ni 1/3Co 1/3Mn 1/3) 3O 4Median size D50 be 15 μ m; Loose density is 2.1 g/cm 3Tap density is 2.7 g/cm 3
Through analyzing, the X-ray diffractogram of this oxidation of precursor thing is as shown in Figure 1, and scanning electron microscope diagram is as shown in Figure 2, and visible by figure, present embodiment gained nickel, cobalt and manganese oxide has good oxide structure, is even spheroidal particle.
Embodiment 2
The nickle cobalt lithium manganate positive electrode material presoma (Ni of present embodiment 1/3Co 1/3Mn 1/3) O 1.15Working method, comprise the steps:
(1) preparation of nickel cobalt manganese alloy powder
With metallic nickel, cobalt, manganese is the mixed batching of 1:1:1 according to mol ratio; Compound is under the nitrogen protection condition; Heating and melting, the metal liquid after the fusion is atomized by High-Pressure Water, and hydraulic pressure is 40 MPa; Metal-powder after the atomizing solidifies in atomisation tower, sedimentation, fall into and receive the powder jar and collect at last, obtains the nickel cobalt manganese alloy powder;
This alloy powder powder particle is that loose density reaches 3.3 g/cm 3, tap density reaches 2.4 g/cm 3Nickel, cobalt, the fusion at high temperature of manganese metal make alloy powder on composition, reach the uniform mixing of atomic level, help the nickel, cobalt and manganese oxide of subsequent preparation high evenness;
(2) the nickel cobalt manganese alloy powder is oxidized to nickel, cobalt and manganese oxide
The nickel cobalt manganese alloy powder of step (1) gained is placed the oxidized still of band stirring, stir, stirring velocity is 100 r/min; Feed compressed oxygen, air pressure is 0.5 MPa, material is remained on carry out roasting oxidation under the dynamic situation; Oxidizing temperature is 1000 ℃; Oxidization time is 0.5 h, and the product after the oxidation changes airflow milling at last over to and carries out break process, and air consumption is 1 m 3/ min, air pressure is 1 MPa.
Gained nickel, cobalt and manganese oxide (Ni 1/3Co 1/3Mn 1/3) O 1.15Median size D50 be 12 μ m; Loose density is 2.1 g/cm 3Tap density is 2.6 g/cm 3
Embodiment 3
The nickle cobalt lithium manganate positive electrode material presoma (Ni of present embodiment 0.5Co 0.2Mn 0.3) O 0.8Working method, comprise the steps:
(1) preparation of nickel cobalt manganese alloy powder
With metallic nickel, cobalt, manganese is the mixed batching of 5:2:3 according to mol ratio; Compound under the nitrogen protection condition, heating and melting, the metal liquid after the fusion is atomized by the elevated pressure nitrogen air-flow; Air pressure is 3 MPa; Flow velocity is 4 kg/min, and the metal-powder after the atomizing solidifies in atomisation tower, sedimentation, fall into and receive the powder jar and collect at last, obtains the nickel cobalt manganese alloy powder;
The nickel cobalt manganese alloy powder particles is a regular spherical, and loose density reaches 5.0 g/cm 3, tap density reaches 5.3 g/cm 3Nickel, cobalt, the fusion at high temperature of manganese metal make alloy powder on composition, reach the uniform mixing of atomic level, help the nickel, cobalt and manganese oxide of subsequent preparation high evenness;
(2) the nickel cobalt manganese alloy powder is oxidized to nickel, cobalt and manganese oxide
Place band to stir the oxidized still of ventilation in the nickel cobalt manganese alloy powder of step (1) gained, stir, stirring velocity is 80 r/min; Feed pressurized air, air pressure is 0.7 MPa, material is remained on carry out roasting oxidation under the dynamic situation; Oxidizing temperature is 400 ℃; Oxidization time is 10 h, and the product after the oxidation changes airflow milling at last over to and carries out break process, and air consumption is 1.3 m 3/ min, air pressure is 1 MPa.
Gained nickel, cobalt and manganese oxide (Ni 0.5Co 0.2Mn 0.3) O 0.8Median size D50 be 5 μ m; Loose density is 1.8 g/cm 3Tap density is 2.5 g/cm 3
Embodiment 4
The nickle cobalt lithium manganate positive electrode material presoma (Ni of present embodiment 0.4Co 0.2Mn 0.4) O 1.05Working method, comprise the steps:
(1) preparation of nickel cobalt manganese alloy powder
With metallic nickel, cobalt, manganese is the mixed batching of 4:2:4 according to mol ratio; Compound under the nitrogen protection condition, heating and melting, the metal liquid after the fusion is atomized by the elevated pressure nitrogen air-flow; Air pressure is 4 MPa; Flow velocity is 4 kg/min, and the metal-powder after the atomizing solidifies in atomisation tower, sedimentation, fall into and receive the powder jar and collect at last, obtains the nickel cobalt manganese alloy powder;
The nickel cobalt manganese alloy powder particles is a regular spherical, and loose density reaches 4.7 g/cm 3, tap density reaches 5.1 g/cm 3Nickel, cobalt, the fusion at high temperature of manganese metal make alloy powder on composition, reach the uniform mixing of atomic level, help the nickel, cobalt and manganese oxide of subsequent preparation high evenness;
(2) the nickel cobalt manganese alloy powder is oxidized to nickel, cobalt and manganese oxide
The nickel cobalt manganese alloy powder of step (1) gained is placed the oxidized still of band stirring, stir, stirring velocity is 80 r/min; Feed compressed oxygen, air pressure is 0.6 MPa, material is remained on carry out roasting oxidation under the dynamic situation; Oxidizing temperature is 700 ℃; Oxidization time is 1 h, and the product after the oxidation changes airflow milling at last over to and carries out break process, and air consumption is 1 m 3/ min, air pressure is 1 MPa.
Gained nickel, cobalt and manganese oxide (Ni 0.4Co 0.2Mn 0.4) O 1.05Particle diameter D50 be 8 μ m; Loose density is 1.9 g/cm 3Tap density is 2.5 g/cm 3
Embodiment 5
The nickle cobalt lithium manganate positive electrode material presoma (Ni of present embodiment 0.8Co 0.1Mn 0.1) O 0.55Working method, comprise the steps:
(1) preparation of nickel cobalt manganese alloy powder
With metallic nickel, cobalt, manganese is the mixed batching of 8:1:1 according to mol ratio; Compound under the nitrogen protection condition, heating and melting, the metal liquid after the fusion is atomized by the elevated pressure nitrogen air-flow; Air pressure is 4 MPa; Flow velocity is 4 kg/min, and the metal-powder after the atomizing solidifies in atomisation tower, sedimentation, fall into and receive the powder jar and collect at last, obtains the nickel cobalt manganese alloy powder;
The nickel cobalt manganese alloy powder particles is a regular spherical, and loose density reaches 4.7 g/cm 3, tap density reaches 5.2 g/cm 3Nickel, cobalt, the fusion at high temperature of manganese metal make alloy powder on composition, reach the uniform mixing of atomic level, help the nickel, cobalt and manganese oxide of subsequent preparation high evenness;
(2) the nickel cobalt manganese alloy powder is oxidized to nickel, cobalt and manganese oxide
Place band to stir the oxidized still of ventilation in the nickel cobalt manganese alloy powder of step (1) gained, stir, stirring velocity is 100 r/min; Feed pressurized air, air pressure is 0.5 MPa, material is remained on carry out roasting oxidation under the dynamic situation; Oxidizing temperature is 600 ℃, and oxidization time is 6 h; Product after the oxidation changes airflow milling at last over to and carries out break process, and air consumption is 1.5 m 3/ min, air pressure is 0.9 MPa.
Gained nickel, cobalt and manganese oxide (Ni 0.8Co 0.1Mn 0.1) O 0.55Median size D50 be 10 μ m; Loose density is 2.2 g/cm 3Tap density is 2.8 g/cm 3

Claims (3)

1.一种锂离子电池用镍钴锰酸锂正极材料前驱体，其特征在于，其化学式为(Ni1-x-yCoxMny)Oδ，其中0.5<δ<1.5，0<x<1，0<y<1，0<x+y<1；平均粒径D50为5～15 μm，松装密度≥1.8 g/cm3，振实密度≥2.5 g/cm3。 1. A nickel-cobalt lithium manganate cathode material precursor for lithium-ion batteries, characterized in that its chemical formula is (Ni 1-xy Co x Mn y )O δ , wherein 0.5<δ<1.5, 0<x<1 , 0<y<1, 0<x+y<1; average particle size D50 is 5-15 μm, bulk density ≥ 1.8 g/cm 3 , tap density ≥ 2.5 g/cm 3 . 2.一种如权利要求1所述锂离子电池用镍钴锰酸锂正极材料前驱体的生产方法，其特征在于，包括以下步骤： 2. a production method of nickel-cobalt-manganese lithium manganate cathode material precursor for lithium ion battery as claimed in claim 1, is characterized in that, comprises the following steps: （1）镍钴锰合金粉的制备 (1) Preparation of nickel-cobalt-manganese alloy powder 将金属镍、钴、锰按照摩尔比为(1-x-y): x: y的比例混合配料，其中0.5<δ<1.5，0≤x<1，0≤y<1，0<x+y≤1，然后放入高温熔炉中，在有惰性气体或氮气保护条件下，升温至合金熔点以上温度熔融，熔融后进行雾化造粒，得到镍钴锰合金粉； Mix metal nickel, cobalt, and manganese according to the molar ratio (1-x-y): x: y ratio, where 0.5<δ<1.5, 0≤x<1, 0≤y<1, 0<x+y≤ 1. Then put it into a high-temperature melting furnace, under the protection of inert gas or nitrogen, heat up to a temperature above the melting point of the alloy to melt, and conduct atomization and granulation after melting to obtain nickel-cobalt-manganese alloy powder; （2）将镍钴锰合金粉氧化为镍钴锰氧化物 (2) Oxidize nickel-cobalt-manganese alloy powder to nickel-cobalt-manganese oxide 将步骤（1）所得的镍钴锰合金粉置于带搅拌通气的氧化炉中，搅拌，搅拌速度为50～100 r/min，通入压缩空气或氧气，气压为0.3～0.8 MPa，使物料保持在动态状况下进行焙烧氧化，氧化温度为400℃～1000℃，氧化时间为0.5 h～10 h；氧化后的产物最后转入气流磨进行破碎处理，耗气量为1～1.5 m3/min，空气压力为0.8～1 MPa，破碎平均粒径D50为5～15 μm。 Place the nickel-cobalt-manganese alloy powder obtained in step (1) in an oxidation furnace with agitation and ventilation, stir at a stirring speed of 50-100 r/min, feed compressed air or oxygen at a pressure of 0.3-0.8 MPa, and make the material Keep in a dynamic state for roasting and oxidation, the oxidation temperature is 400 ° C ~ 1000 ° C, the oxidation time is 0.5 h ~ 10 h; the oxidized product is finally transferred to the jet mill for crushing treatment, and the gas consumption is 1 ~ 1.5 m 3 /min , the air pressure is 0.8-1 MPa, and the average crushing particle size D50 is 5-15 μm. 3.根据权利要求2所述锂离子电池用镍钴锰酸锂正极材料前驱体的生产方法，其特征在于，步骤（2），氧化温度为700℃～900℃，氧化时间为1 h～6 h。 3. The production method of the precursor of nickel cobalt lithium manganese oxide cathode material for lithium ion batteries according to claim 2, characterized in that in step (2), the oxidation temperature is 700°C to 900°C, and the oxidation time is 1 h to 6 h.
CN201110263741A 2011-09-07 2011-09-07 Precursor of nickel cobalt lithium manganate positive material for lithium ion battery and production method thereof Pending CN102328961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110263741A CN102328961A (en) 2011-09-07 2011-09-07 Precursor of nickel cobalt lithium manganate positive material for lithium ion battery and production method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110263741A CN102328961A (en) 2011-09-07 2011-09-07 Precursor of nickel cobalt lithium manganate positive material for lithium ion battery and production method thereof

Publications (1)

Publication Number Publication Date
CN102328961A true CN102328961A (en) 2012-01-25

Family

ID=45480958

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110263741A Pending CN102328961A (en) 2011-09-07 2011-09-07 Precursor of nickel cobalt lithium manganate positive material for lithium ion battery and production method thereof

Country Status (1)

Country Link
CN (1) CN102328961A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107342417A (en) * 2016-12-28 2017-11-10 杉杉能源（宁夏）有限公司 A kind of high ni-type precursor of nickel-cobalt-lithium-manganese-oxide with specific morphology and preparation method thereof
CN112661201A (en) * 2020-12-23 2021-04-16 广东邦普循环科技有限公司 Method for preparing nickel cobalt lithium manganate through reverse positioning of power battery and application
CN112919552A (en) * 2021-01-28 2021-06-08 中南大学 High tap density multi-element oxide precursor and preparation method and preparation system thereof
CN114464789A (en) * 2022-01-19 2022-05-10 华中科技大学 Energy storage secondary battery layered positive electrode material and preparation method thereof
CN114604899A (en) * 2022-04-11 2022-06-10 安徽工业大学 A kind of lithium ion battery cathode material precursor and preparation method thereof
CN114873650A (en) * 2022-05-24 2022-08-09 中国科学院宁波材料技术与工程研究所 A positive electrode material precursor, a positive electrode material and a preparation method thereof, and a lithium ion battery
CN116525812A (en) * 2023-05-12 2023-08-01 合肥国轩高科动力能源有限公司 Single crystal ternary material and preparation method and application thereof
US11919071B2 (en) 2020-10-30 2024-03-05 6K Inc. Systems and methods for synthesis of spheroidized metal powders
US11963287B2 (en) 2020-09-24 2024-04-16 6K Inc. Systems, devices, and methods for starting plasma
US12040162B2 (en) 2022-06-09 2024-07-16 6K Inc. Plasma apparatus and methods for processing feed material utilizing an upstream swirl module and composite gas flows
US12042861B2 (en) 2021-03-31 2024-07-23 6K Inc. Systems and methods for additive manufacturing of metal nitride ceramics
US12094688B2 (en) 2022-08-25 2024-09-17 6K Inc. Plasma apparatus and methods for processing feed material utilizing a powder ingress preventor (PIP)
US12176529B2 (en) 2020-06-25 2024-12-24 6K Inc. Microcomposite alloy structure
US12195338B2 (en) 2022-12-15 2025-01-14 6K Inc. Systems, methods, and device for pyrolysis of methane in a microwave plasma for hydrogen and structured carbon powder production
US12261023B2 (en) 2022-05-23 2025-03-25 6K Inc. Microwave plasma apparatus and methods for processing materials using an interior liner
US12406829B2 (en) 2021-01-11 2025-09-02 6K Inc. Methods and systems for reclamation of Li-ion cathode materials using microwave plasma processing

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101355161A (en) * 2008-09-17 2009-01-28 长沙矿冶研究院 Method for preparing lithium ion battery anode material nickel cobalt lithium manganate
CN101703958A (en) * 2009-10-30 2010-05-12 蚌埠中恒新材料科技有限责任公司 Method for producing electric-melting zirconia used for turquoise pigment and glaze
CN102169990A (en) * 2011-04-07 2011-08-31 先进储能材料国家工程研究中心有限责任公司 Ternary cathode material and production method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101355161A (en) * 2008-09-17 2009-01-28 长沙矿冶研究院 Method for preparing lithium ion battery anode material nickel cobalt lithium manganate
CN101703958A (en) * 2009-10-30 2010-05-12 蚌埠中恒新材料科技有限责任公司 Method for producing electric-melting zirconia used for turquoise pigment and glaze
CN102169990A (en) * 2011-04-07 2011-08-31 先进储能材料国家工程研究中心有限责任公司 Ternary cathode material and production method thereof

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107342417A (en) * 2016-12-28 2017-11-10 杉杉能源（宁夏）有限公司 A kind of high ni-type precursor of nickel-cobalt-lithium-manganese-oxide with specific morphology and preparation method thereof
US12176529B2 (en) 2020-06-25 2024-12-24 6K Inc. Microcomposite alloy structure
US11963287B2 (en) 2020-09-24 2024-04-16 6K Inc. Systems, devices, and methods for starting plasma
US11919071B2 (en) 2020-10-30 2024-03-05 6K Inc. Systems and methods for synthesis of spheroidized metal powders
US11802055B1 (en) 2020-12-23 2023-10-31 Guangdong Brunp Recycling Technology Co., Ltd. Method for preparing lithium nickle cobalt manganese oxide by reverse positioning of power battery and use thereof
CN112661201B (en) * 2020-12-23 2022-11-15 广东邦普循环科技有限公司 Method for preparing nickel cobalt lithium manganate through reverse positioning of power battery and application
CN112661201A (en) * 2020-12-23 2021-04-16 广东邦普循环科技有限公司 Method for preparing nickel cobalt lithium manganate through reverse positioning of power battery and application
US12406829B2 (en) 2021-01-11 2025-09-02 6K Inc. Methods and systems for reclamation of Li-ion cathode materials using microwave plasma processing
CN112919552A (en) * 2021-01-28 2021-06-08 中南大学 High tap density multi-element oxide precursor and preparation method and preparation system thereof
US12042861B2 (en) 2021-03-31 2024-07-23 6K Inc. Systems and methods for additive manufacturing of metal nitride ceramics
CN114464789B (en) * 2022-01-19 2023-03-10 华中科技大学 Layered positive electrode material for energy storage secondary battery and preparation method thereof
CN114464789A (en) * 2022-01-19 2022-05-10 华中科技大学 Energy storage secondary battery layered positive electrode material and preparation method thereof
CN114604899A (en) * 2022-04-11 2022-06-10 安徽工业大学 A kind of lithium ion battery cathode material precursor and preparation method thereof
US12261023B2 (en) 2022-05-23 2025-03-25 6K Inc. Microwave plasma apparatus and methods for processing materials using an interior liner
CN114873650A (en) * 2022-05-24 2022-08-09 中国科学院宁波材料技术与工程研究所 A positive electrode material precursor, a positive electrode material and a preparation method thereof, and a lithium ion battery
CN114873650B (en) * 2022-05-24 2024-05-14 中国科学院宁波材料技术与工程研究所 A positive electrode material precursor, a positive electrode material and a preparation method thereof, and a lithium ion battery
US12040162B2 (en) 2022-06-09 2024-07-16 6K Inc. Plasma apparatus and methods for processing feed material utilizing an upstream swirl module and composite gas flows
US12094688B2 (en) 2022-08-25 2024-09-17 6K Inc. Plasma apparatus and methods for processing feed material utilizing a powder ingress preventor (PIP)
US12195338B2 (en) 2022-12-15 2025-01-14 6K Inc. Systems, methods, and device for pyrolysis of methane in a microwave plasma for hydrogen and structured carbon powder production
CN116525812A (en) * 2023-05-12 2023-08-01 合肥国轩高科动力能源有限公司 Single crystal ternary material and preparation method and application thereof

Similar Documents

Publication Publication Date Title
CN102328961A (en) Precursor of nickel cobalt lithium manganate positive material for lithium ion battery and production method thereof
CN102169990B (en) A kind of ternary cathode material and its production method
CN103066261B (en) The synthetic method of the nickelic multi-element metal oxide positive electrode of high power capacity
CN101145611B (en) Lithium ion cell anode material lithium vanadium phosphate preparation method
CN102386391B (en) Method for preparing ternary complex anode material (LiNixCoyMn1-x-yO2)
CN107585794A (en) Tertiary cathode material, its presoma and the preparation method of the material and presoma
CN109004195B (en) Lithium supplement additive and preparation method thereof
JP2012506110A (en) Nickel / cobalt / manganese multi-element doped positive electrode material for lithium ion battery and method for producing the same
CN110818430B (en) A kind of uniform high-entropy oxide ceramic submicron spherical powder and preparation method thereof
CN101186290A (en) Anode material vanadium lithium phosphate and preparation method thereof
JP2005347134A (en) Method for producing positive electrode active material for lithium ion secondary battery
Jiang et al. Syntheses of spherical LiMn2O4 with Mn3O4 and its electrochemistry performance
CN106898751A (en) A kind of nickelic ternary material with rich cobalt top layer and its preparation method and application
TW201310758A (en) Method for producing positive electrode active material for lithium ion batteries
KR102004665B1 (en) A positive electrode active material for a lithium ion secondary battery, a positive electrode including the positive electrode active material, and a lithium ion secondary battery having the positive electrode
JP2006134852A (en) Method of manufacturing crystalline material nano particulate anode active material using self-blending eutectic method for high output lithium secondary battery
CN103972495B (en) A kind of preparation method of lithium nickel manganese oxide lithium ion battery cathode material
CN112694137A (en) Small-particle-size cobalt-free lithium-rich manganese-based solid solution and lithium vanadate composite material and preparation method thereof
CN114665077B (en) Ternary cathode material with core-shell structure and preparation method and application thereof
CN117361486A (en) A method and application of preparing lithium iron manganese phosphate from ferrous phosphate composite ferromanganese phosphate
CN104852039B (en) A kind of preparation method of positive electrode material of lithium ion battery
CN106784780A (en) A kind of nickel-based oxide presoma and its preparation method and application
CN107275635A (en) A kind of ultrasonic atomizatio preparation method of the spherical tertiary cathode material of porous hollow
CN106946296B (en) A kind of micron-scale single crystal lithium nickelate and its preparation method and application
CN120191974A (en) A method for preparing a single crystal lithium ion positive electrode material, positive electrode material and battery

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20120125