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1. (WO2019066402) YOLK-SHELL STRUCTURED PARTICLES, METHOD FOR PRODUCING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
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Pub. No.: WO/2019/066402 International Application No.: PCT/KR2018/011233
Publication Date: 04.04.2019 International Filing Date: 21.09.2018
IPC:
H01M 4/36 (2006.01) ,H01M 4/38 (2006.01) ,H01M 4/62 (2006.01) ,H01M 10/0525 (2010.01) ,C01B 33/023 (2006.01) ,C01B 32/05 (2017.01) ,H01M 4/587 (2010.01)
H ELECTRICITY
01
BASIC 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
H ELECTRICITY
01
BASIC 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
38
of elements or alloys
H ELECTRICITY
01
BASIC 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
62
Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H ELECTRICITY
01
BASIC 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
C CHEMISTRY; METALLURGY
01
INORGANIC CHEMISTRY
B
NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
33
Silicon; Compounds thereof
02
Silicon
021
Preparation
023
by reduction of silica or silica-containing material
[IPC code unknown for C01B 32/05]
H ELECTRICITY
01
BASIC 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
58
of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
583
Carbonaceous material, e.g. graphite-intercalation compounds or CFx
587
for inserting or intercalating light metals
Applicants:
주식회사 엘지화학 LG CHEM, LTD. [KR/KR]; 서울시 영등포구 여의대로 128 128, Yeoui-daero, Yeongdeungpo-gu, Seoul 07336, KR
한양대학교 에리카산학협력단 INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS [KR/KR]; 경기도 안산시 상록구 한양대학로 55 55, Hanyangdaehak-ro, Sangnok-gu, Ansan-si, Gyeonggi-do 15588, KR
Inventors:
채종현 CHAE, Jonghyun; KR
유원철 YOO, Won Cheol; KR
김민서 KIM, Min Seo; KR
김장배 KIM, Jangbae; KR
강민석 KANG, Min Seok; KR
Agent:
김성호 KIM, Sung Ho; KR
박형달 PARK, Hyung-Dal; KR
Priority Data:
10-2017-012727329.09.2017KR
10-2017-012729229.09.2017KR
Title (EN) YOLK-SHELL STRUCTURED PARTICLES, METHOD FOR PRODUCING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
(FR) PARTICULES À STRUCTURE COEUR-COQUILLE, PROCÉDÉ DE PRODUCTION DE CELLES-CI ET BATTERIE SECONDAIRE AU LITHIUM LES COMPRENANT
(KO) 요크-쉘 구조의 입자, 그 제조방법, 및 이를 포함하는 리튬 이차전지
Abstract:
(EN) The present invention relates to yolk-shell structured particles and a method for producing the same, each of the yolk-shell structured particles comprising: a carbon shell; and a silicon (Si) core disposed within the carbon shell, wherein at least a part of the shell is spaced apart from the core, and the volume of micropores in each of the yolk-shell structured particles is 0.15 cm3/g or less.
(FR) La présente invention concerne des particules à structure coeur-coquille et un procédé de production de celles-ci, chacune des particules à structure coeur-coquille comprenant: une coquille en carbone; et un coeur en silicium (Si) disposé à l'intérieur de la coquille en carbone, au moins une partie de la coquille étant espacée du coeur, et le volume de micropores dans chacune des particules à structure coeur-coquille est de 0,15 cm3/g ou moins.
(KO) 본 발명은 탄소 쉘; 및 상기 탄소 쉘 내부에 구비된 실리콘(Si) 코어를 포함하는 요크-쉘 구조의 입자로서, 상기 쉘의 적어도 일부는 상기 코어와 이격배치되고, 상기 요크-쉘 구조의 입자의 마이크로 기공의 부피가 0.15 cm3/g 이하인, 요크-쉘 구조의 입자 및 그 제조방법에 관한 것이다.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, 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, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, 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)
Publication Language: Korean (KO)
Filing Language: Korean (KO)