CN108321379A - A kind of nickel ion doped production technology adulterated, coated - Google Patents

A kind of nickel ion doped production technology adulterated, coated Download PDF

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Publication number
CN108321379A
CN108321379A CN201810195261.1A CN201810195261A CN108321379A CN 108321379 A CN108321379 A CN 108321379A CN 201810195261 A CN201810195261 A CN 201810195261A CN 108321379 A CN108321379 A CN 108321379A
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China
Prior art keywords
oxide
cladding
ion doped
nickel
nickel ion
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Pending
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CN201810195261.1A
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Chinese (zh)
Inventor
赵春阳
马岩华
钱飞鹏
李佳军
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Wuxi Spar New Energy Ltd By Share Ltd
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Wuxi Spar New Energy Ltd By Share Ltd
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Priority to CN201810195261.1A priority Critical patent/CN108321379A/en
Publication of CN108321379A publication Critical patent/CN108321379A/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
    • 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
    • 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
    • H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • 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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  • 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

The invention discloses a kind of doping, the nickel ion doped production technologies of cladding comprising following steps：S1, the oxide of lithium, the oxide of the oxide of nickel and manganese, by a certain percentage progress wet ball grinding mixing are used；S2, addition cladding aluminium hydroxide；Dopant light magnesium oxide is added, wet method mixed at high speed is carried out；S3, spray drying is carried out to the material mixed using centrifugal spray tower, inlet air temperature is 110 DEG C, and the humidity of material is 30%RH after spray drying；S4, material is placed in ceramic abrasive tool, material is pressed into hollow annular shape, is put into saggar；S5, material is connected to saggar merging roller kilns, 860 DEG C of high temperature is sintered 18 hours, is sintered while being passed through oxygen；S6, the material sintered is put into twin rollers progress coarse crushing, then air inlet mill grader carries out the processing of granularity；S7,200 mesh screens are crossed, crosses iron remover and remove iron, finally packs.The addition of magnesium elements of the present invention can reduce required temperature when material at high temperature solid phase reaction.

Description

A kind of nickel ion doped production technology adulterated, coated
Technical field
The present invention relates to a kind of doping, the nickel ion doped production technologies of cladding.
Background technology
Nickel ion doped is mainly spinel-type nickel ion doped, and chemical formula is represented by LiNi0.5Mn1.5O4, with another kind The binary lamellar structure compound (chemical formula LiNi0.5Mn0.5O2) of also referred to as nickel ion doped be two kinds of structural system lithium from Sub- cell positive material.
Nickel ion doped is the anode material for lithium-ion batteries with attractive prospect just in exploitation, with lithium cobaltate cathode material Material is compared, and output voltage is high, at low cost, environmental-friendly；Compared with manganate cathode material for lithium, the stabilization under high temperature circulation Property greatly improves；Compared with lithium iron phosphate cathode material, preparation process is simple, and the lot stability of production is good, especially When matching with lithium titanate anode, LiFePO 4-lithium titanate single battery only has 1.9V output voltages, and nickel ion doped- Lithium titanate single battery output voltage may be up to 3.2V, and advantage is clearly.
But existing nickel ion doped production technology is complicated, low production efficiency, when manufacture, needs higher temperature, follows Ring, high rate performance are poor.
Invention content
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide a kind of nickel mangaic acid for adulterating, coating Lithium production technology.
In order to solve the above technical problem, the present invention provides the following technical solutions：
The invention discloses a kind of doping, the nickel ion doped production technologies of cladding comprising following steps：
S1, the oxide of lithium, the oxide of the oxide of nickel and manganese, by a certain percentage progress wet ball grinding mixing are used；
S2, addition cladding aluminium hydroxide；Dopant light magnesium oxide is added, wet method mixed at high speed is carried out；
S3, spray drying is carried out to the material mixed using centrifugal spray tower, inlet air temperature is 110 DEG C, material after spray drying Humidity is 30%RH；
S4, material is placed in ceramic abrasive tool, material is pressed into hollow annular shape, is put into saggar；
S5, material is connected to saggar merging roller kilns, 860 DEG C of high temperature is sintered 18 hours, is sintered while being passed through oxygen；
S6, the material sintered is put into twin rollers progress coarse crushing, then air inlet mill grader carries out the processing of granularity；
S7,200 mesh screens are crossed, crosses iron remover and remove iron, finally packs.
Preferably, in step S1, in the oxide of the oxide of lithium, the oxide of nickel and manganese, by lithium, mole of nickel, manganese Than being 1：0.5：1.5 ratio is mixed.
Preferably, in step S2, addition cladding is 10-20PPM with aluminium hydroxide.
Preferably, in step S2, dopant light magnesium oxide 50-100PPM is added.
Preferably, in step S5, oxygen atmosphere control is passed through 60%.
The advantageous effect that is reached of the present invention is：
Present invention addition has magnesium, the addition of magnesium elements that can reduce required temperature when material at high temperature solid phase reaction, be equal to Sintering aid is no inside the existing producting proportion of nickel ion doped；Aluminium hydroxide is the meeting after sintered as covering It is converted to aluminium oxide, surface coating layer is formed to nickel ion doped, improves its cycle, high rate performance, it is helped to fight electrolyte Corrosion；The present invention carries out shaping compacting to mixed raw material, which is more advantageous to gas circulation, and oxygen is facilitated to participate in Into reaction.
Specific implementation mode
Hereinafter, preferred embodiments of the present invention will be described, it should be understood that preferred embodiment described herein is only used In the description and interpretation present invention, it is not intended to limit the present invention.
A kind of nickel ion doped production technology adulterated, coated comprising following steps：
S1, using the oxide of lithium, the oxide of the oxide of nickel and manganese, be 1 by the molar ratio of lithium, nickel, manganese：0.5： 1.5 ratio carries out mixing and carries out wet ball grinding mixing；
S2, addition cladding aluminium hydroxide；Dopant light magnesium oxide is added, wet method mixed at high speed is carried out；Wherein add Cladding is 10-20PPM with aluminium hydroxide；Add dopant light magnesium oxide 50-100PPM；
S3, spray drying is carried out to the material mixed using centrifugal spray tower, inlet air temperature is 110 DEG C, material after spray drying Humidity is 30%RH；
S4, material is placed in ceramic abrasive tool, material is pressed into hollow annular shape, is put into saggar；
S5, material is connected to saggar merging roller kilns, 860 DEG C of high temperature is sintered 18 hours, is sintered while being passed through oxygen, be passed through oxygen Gas control climate is 60%；
S6, the material sintered is put into twin rollers progress coarse crushing, then air inlet mill grader carries out the processing of granularity；
S7,200 mesh screens are crossed, crosses iron remover and remove iron, finally packs.
Present invention addition has magnesium, the addition of magnesium elements that can reduce required temperature when material at high temperature solid phase reaction, be equal to Sintering aid is no inside the existing producting proportion of nickel ion doped；Aluminium hydroxide is the meeting after sintered as covering It is converted to aluminium oxide, surface coating layer is formed to nickel ion doped, improves its cycle, high rate performance, it is helped to fight electrolyte Corrosion；The present invention carries out shaping compacting to mixed raw material, which is more advantageous to gas circulation, and oxygen is facilitated to participate in Into reaction.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's Within protection domain.

Claims (5)

1. the nickel ion doped production technology of a kind of doping, cladding, which is characterized in that include the following steps：
S1, the oxide of lithium, the oxide of the oxide of nickel and manganese, by a certain percentage progress wet ball grinding mixing are used；
S2, addition cladding aluminium hydroxide；Dopant light magnesium oxide is added, wet method mixed at high speed is carried out；
S3, spray drying is carried out to the material mixed using centrifugal spray tower, inlet air temperature is 110 DEG C, the humidity of material after spray drying For 30%RH；
S4, material is placed in ceramic abrasive tool, material is pressed into hollow annular shape, is put into saggar；
S5, material is connected to saggar merging roller kilns, 860 DEG C of high temperature is sintered 18 hours, is sintered while being passed through oxygen；
S6, the material sintered is put into twin rollers progress coarse crushing, then air inlet mill grader carries out the processing of granularity；
S7,200 mesh screens are crossed, crosses iron remover and remove iron, finally packs.
2. the nickel ion doped production technology of a kind of doping according to claim 1, cladding, which is characterized in that in step S1, It is 1 by the molar ratio of lithium, nickel, manganese in the oxide of the oxide of lithium, the oxide of nickel and manganese：0.5：1.5 ratio is mixed It closes.
3. the nickel ion doped production technology of a kind of doping according to claim 1, cladding, which is characterized in that in step S2, It is 10-20PPM that cladding, which is added, with aluminium hydroxide.
4. the nickel ion doped production technology of a kind of doping according to claim 1, cladding, which is characterized in that in step S2, Add dopant light magnesium oxide 50-100PPM.
5. the nickel ion doped production technology of a kind of doping according to claim 1, cladding, which is characterized in that in step S5, Oxygen atmosphere control is passed through 60%.
CN201810195261.1A 2018-03-09 2018-03-09 A kind of nickel ion doped production technology adulterated, coated Pending CN108321379A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109678216A (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 of nickel ion doped material
CN114284483A (en) * 2021-12-24 2022-04-05 安徽博石高科新材料股份有限公司 Preparation and application of zirconium dioxide-coated lithium manganate cathode material

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102969498A (en) * 2012-12-11 2013-03-13 中国科学院宁波材料技术与工程研究所 High-voltage lithium nickel manganese oxide anode material and preparation method thereof
CN103236538A (en) * 2013-04-28 2013-08-07 无锡晶石新型能源有限公司 Method for preparing lithium manganate through inflection point control
CN103311531A (en) * 2013-05-20 2013-09-18 无锡晶石新型能源有限公司 Method for preparing lithium manganate through adding sintering aid by means of low temperature sintering
CN103466714A (en) * 2013-09-16 2013-12-25 无锡晶石新型能源有限公司 Method for producing lithium manganate
CN105226255A (en) * 2015-10-20 2016-01-06 四川科能锂电有限公司 The preparation technology of nickel ion doped

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102969498A (en) * 2012-12-11 2013-03-13 中国科学院宁波材料技术与工程研究所 High-voltage lithium nickel manganese oxide anode material and preparation method thereof
CN103236538A (en) * 2013-04-28 2013-08-07 无锡晶石新型能源有限公司 Method for preparing lithium manganate through inflection point control
CN103311531A (en) * 2013-05-20 2013-09-18 无锡晶石新型能源有限公司 Method for preparing lithium manganate through adding sintering aid by means of low temperature sintering
CN103466714A (en) * 2013-09-16 2013-12-25 无锡晶石新型能源有限公司 Method for producing lithium manganate
CN105226255A (en) * 2015-10-20 2016-01-06 四川科能锂电有限公司 The preparation technology of nickel ion doped

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
祁康成: "《发光原理与发光材料》", 29 February 2012 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109678216A (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 of nickel ion doped material
CN114284483A (en) * 2021-12-24 2022-04-05 安徽博石高科新材料股份有限公司 Preparation and application of zirconium dioxide-coated lithium manganate cathode material

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Application publication date: 20180724

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