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1. WO2018121102 - METHOD FOR PREPARING HIGH-VOLTAGE MODIFIED LITHIUM NICKEL MANGANESE OXIDE ANODE MATERIAL

Publication Number WO/2018/121102
Publication Date 05.07.2018
International Application No. PCT/CN2017/110596
International Filing Date 10.11.2017
IPC
H01M 4/505 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
50of manganese
505of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
52of nickel, cobalt or iron
525of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
CPC
H01M 4/505
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
50of manganese
505of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of or comprising active material
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
52of nickel, cobalt or iron
525of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
Y02E 60/10
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
60Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
10Energy storage using batteries
Applicants
  • 徐茂龙 XU, Maolong [CN]/[CN]
Inventors
  • 徐茂龙 XU, Maolong
  • 黄红如 HUANG, Hongru
Agents
  • 广州三环专利商标代理有限公司 SCIHEAD IP LAW FIRM
Priority Data
201611269964.130.12.2016CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) METHOD FOR PREPARING HIGH-VOLTAGE MODIFIED LITHIUM NICKEL MANGANESE OXIDE ANODE MATERIAL
(FR) PROCÉDÉ DE PRÉPARATION D'UN MATÉRIAU D'ANODE D'OXYDE DE LITHIUM-NICKEL-MANGANÈSE MODIFIÉ À HAUTE TENSION
(ZH) 一种高电压改性镍锰酸锂正极材料的制备方法
Abstract
(EN)
The present invention provides a method for preparing a high-voltage modified lithium nickel manganese oxide anode material, comprising the following steps: (1) mixing manganese carbonate and nickel carbonate at a molar ratio of Mn to Ni of 3 to 1 to obtain a first mixture; (2) adding the first mixture to an ethylene glycol solution to obtain a nickel-manganese precursor; (3) mixing the nickel-manganese precursor with lithium carbonate and metal oxide to obtain a doped mixture; (4) sintering the doped mixture to obtain a pre-sintered material; (5) performing airflow smashing on the pre-sintered material to obtain a pre-target product; and (6) mixing the pre-target product and graphene at a mass ratio of 1 to (0.01-0.5) to obtain the target product. The method for preparing a high-voltage modified lithium nickel manganese oxide anode material provided by the present invention has the characteristics of high efficiency, high speed and energy saving, and the method has a simple technology, is environmentally friendly, and is suitable for large-batch industrial production.
(FR)
La présente invention concerne un procédé de préparation d'un matériau d'anode d'oxyde de lithium-nickel-manganèse modifié à haute tension, comprenant les étapes suivantes : (1) mélanger du carbonate de manganèse et du carbonate de nickel à un rapport molaire de Mn à Ni de 3 à 1 pour obtenir un premier mélange ; (2) ajouter le premier mélange à une solution d'éthylène glycol pour obtenir un précurseur de nickel-manganèse ; (3) mélanger le précurseur de nickel-manganèse avec du carbonate de lithium et de l'oxyde métallique pour obtenir un mélange dopé ; (4) fritter le mélange dopé pour obtenir un matériau préfritté ; (5) effectuer un brassage de flux d'air sur le matériau préfritté pour obtenir un produit précible ; et (6) mélanger le produit précible et le graphène à un rapport de masse de 1 à (0,01-0,5) pour obtenir le produit cible. Le procédé de préparation d'un matériau d'anode d'oxyde de lithium-nickel-manganèse modifié à haute tension de la présente invention présente les caractéristiques d'efficacité élevée, une grande vitesse et une économie d'énergie, et le procédé repose sur une technologie simple, est respectueux de l'environnement, et est approprié pour une production industrielle à grande échelle.
(ZH)
本发明提供一种高电压改性镍锰酸锂正极材料的制备方法,包括如下步骤:(1)将碳酸锰、碳酸镍按Mn:Ni摩尔比为3:1进行配料混合得到第一混合物;(2)将第一混合物加入有乙二醇溶液中,得到镍锰前驱体;(3)将镍锰前驱体和碳酸锂、金属氧化物混合得掺杂混合物;(4)将掺杂混合进行烧结,得预烧结物料;(5)将预烧结物料进行气流粉碎得到预目标产物;(6)将预目标产物和石墨烯按照质量比为1:0.01~0.5的比例进行混合,得到目标产物,本发明提供一种高电压改性镍锰酸锂正极材料的制备方法具有高效、快速、节能的特点,且该方法工艺简单、环境友好、适合大批量工业产生。
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