1. WO2026174429 - POSITIVE ELECTRODE MATERIAL, ELECTROCHEMICAL DEVICE, AND ELECTRONIC DEVICE

Publication Number WO/2026/174429

Publication Date 27.08.2026

International Application No. PCT/CN2025/077918

International Filing Date 18.02.2025

IPC

H01M 4/525 2010.1

H	ELECTRICITY
01	ELECTRIC ELEMENTS
M	PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4	Electrodes
02	Electrodes composed of, or comprising, active material
36	Selection of substances as active materials, active masses, active liquids
48	of inorganic oxides or hydroxides
52	of nickel, cobalt or iron
525	of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy

H01M 4/505 2010.1

H	ELECTRICITY
01	ELECTRIC ELEMENTS
M	PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4	Electrodes
02	Electrodes composed of, or comprising, active material
36	Selection of substances as active materials, active masses, active liquids
48	of inorganic oxides or hydroxides
50	of manganese
505	of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy

H01M 4/13 2010.1

H	ELECTRICITY
01	ELECTRIC ELEMENTS
M	PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4	Electrodes
02	Electrodes composed of, or comprising, active material
13	Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof

H01M 4/36 2006.1

H	ELECTRICITY
01	ELECTRIC ELEMENTS
M	PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4	Electrodes
02	Electrodes composed of, or comprising, active material
36	Selection of substances as active materials, active masses, active liquids

H01M 10/0525 2010.1

H	ELECTRICITY
01	ELECTRIC ELEMENTS
M	PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10	Secondary cells; Manufacture thereof
05	Accumulators with non-aqueous electrolyte
052	Li-accumulators
0525	Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries

H01M 4/525 2010.1

H	ELECTRICITY
01	ELECTRIC ELEMENTS
M	PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4	Electrodes
02	Electrodes composed of, or comprising, active material
36	Selection of substances as active materials, active masses, active liquids
48	of inorganic oxides or hydroxides
52	of nickel, cobalt or iron
525	of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy

H01M 4/505 2010.1

H	ELECTRICITY
01	ELECTRIC ELEMENTS
M	PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4	Electrodes
02	Electrodes composed of, or comprising, active material
36	Selection of substances as active materials, active masses, active liquids
48	of inorganic oxides or hydroxides
50	of manganese
505	of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy

H01M 4/13 2010.1

H	ELECTRICITY
01	ELECTRIC ELEMENTS
M	PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4	Electrodes
02	Electrodes composed of, or comprising, active material
13	Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof

H01M 4/36 2006.1

H	ELECTRICITY
01	ELECTRIC ELEMENTS
M	PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4	Electrodes
02	Electrodes composed of, or comprising, active material
36	Selection of substances as active materials, active masses, active liquids

H01M 10/0525 2010.1

H	ELECTRICITY
01	ELECTRIC ELEMENTS
M	PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10	Secondary cells; Manufacture thereof
05	Accumulators with non-aqueous electrolyte
052	Li-accumulators
0525	Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries

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Applicants

• 宁德新能源科技有限公司 NINGDE AMPEREX TECHNOLOGY LIMITED [CN]/[CN]

Inventors

• 朱梦梦 ZHU, Mengmeng
• 刘小浪 LIU, Xiaolang
• 黄星晨 HUANG, Xingchen

Agents

• 深圳市赛恩倍吉知识产权代理有限公司 SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO., LTD.

Priority Data

Publication Language Chinese (zh)

Filing Language Chinese (zh)

Designated States

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AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CV, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IQ, IR, IS, IT, JM, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, MG, MK, MN, MU, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UY, UZ, VC, VN, WS, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, CV, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SC, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)

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Title

(EN) POSITIVE ELECTRODE MATERIAL, ELECTROCHEMICAL DEVICE, AND ELECTRONIC DEVICE

(FR) MATÉRIAU D'ÉLECTRODE POSITIVE, DISPOSITIF ÉLECTROCHIMIQUE ET DISPOSITIF ÉLECTRONIQUE

(ZH) 正极材料、电化学装置及电子装置

Abstract

(EN) A positive electrode material, an electrochemical device, and an electronic device. The positive electrode material comprises lithium cobalt oxide particles, wherein the lithium cobalt oxide particles have a P6₃mc structure and a Cmca structure, and the lithium cobalt oxide particles comprise a niobium element and an oxygen element.

(FR) La présente invention concerne un matériau d'électrode positive, un dispositif électrochimique et un dispositif électronique. Le matériau d'électrode positive est constitué de particules d'oxyde de lithium et de cobalt, celles-ci ayant une structure P6₃mc et une structure Cmca, et contenant du niobium et de l'oxygène.

(ZH) 一种正极材料、电化学装置及电子装置，正极材料包括锂钴氧化物颗粒，锂钴氧化物颗粒具有P6 ₃mc结构和Cmca结构，锂钴氧化物颗粒包括铌元素和氧元素。

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