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1. WO2021060813 - ANODE AND SECONDARY BATTERY COMPRISING SAME

Publication Number WO/2021/060813
Publication Date 01.04.2021
International Application No. PCT/KR2020/012802
International Filing Date 22.09.2020
IPC
H01M 4/587 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
58of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
583Carbonaceous material, e.g. graphite-intercalation compounds or CFx
587for inserting or intercalating light metals
H01M 4/36 2006.01
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
H01M 4/62 2006.01
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
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 4/133 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
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
133Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 10/0525 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
CPC
H01M 10/0525
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H01M 4/133
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
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
133Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
H01M 4/36
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
H01M 4/366
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
362Composites
366as layered products
H01M 4/587
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
58of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
583Carbonaceous material, e.g. graphite-intercalation compounds or CFx
587for inserting or intercalating light metals
H01M 4/62
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
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
Applicants
  • 주식회사 엘지에너지솔루션 LG ENERGY SOLUTION, LTD. [KR]/[KR]
Inventors
  • 이창주 LEE, Chang Ju
  • 우상욱 WOO, Sang Wook
  • 정동섭 JUNG, Dong Sub
  • 노석인 NOH, Suk In
Agents
  • 특허법인 태평양 BAE, KIM & LEE IP
Priority Data
10-2019-012002527.09.2019KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) ANODE AND SECONDARY BATTERY COMPRISING SAME
(FR) ANODE ET BATTERIE SECONDAIRE LA COMPRENANT
(KO) 음극 및 이를 포함하는 이차 전지
Abstract
(EN)
The present invention relates to an anode and a secondary battery comprising same, the anode comprising: a core including an anode active material layer, wherein the anode active material layer includes an anode active material, the anode active material includes a carbon-based anode active material, and the carbon-based anode active material includes a plurality of scale-shaped primary artificial graphite particles; a natural graphite disposed on the core; and an amorphous carbon-based material, wherein the natural graphite is contained in 10% to 30% by weight in the carbon-based anode active material, and the carbon-based anode active material has a degree of sphericity of 0.78 to 0.83.
(FR)
La présente invention concerne une anode et une batterie secondaire la comprenant, l'anode comprenant : un noyau comprenant une couche de matériau actif d'anode, la couche de matériau actif d'anode comprenant un matériau actif d'anode, le matériau actif d'anode comprenant un matériau actif d'anode à base de carbone, et le matériau actif d'anode à base de carbone comprenant une pluralité de particules de graphite artificiel primaires en forme d'échelle ; un graphite naturel disposé sur le noyau ; et un matériau à base de carbone amorphe, la proportion de graphite naturel étant située dans la plage allant de 10 % à 30 % en poids dans le matériau actif d'anode à base de carbone, et le matériau actif d'anode à base de carbone présentant un degré de sphéricité situé dans la plage allant de 0,78 à 0,83.
(KO)
본 발명은 음극 활물질층을 포함하며, 상기 음극 활물질층은 음극 활물질을 포함하고, 상기 음극 활물질은 탄소계 음극 활물질을 포함하며, 상기 탄소계 음극 활물질은, 복수의 인편상의 인조흑연 1차 입자를 포함하는 코어; 상기 코어 상에 배치된 천연흑연; 및 비정질 탄소계 물질;을 포함하고, 상기 천연흑연은 상기 탄소계 음극 활물질 내에 10중량% 내지 30중량%로 포함되며, 상기 탄소계 음극 활물질의 구형화도는 0.78 내지 0.83인 음극 및 이를 포함하는 이차 전지에 관한 것이다.
Also published as
Latest bibliographic data on file with the International Bureau