EP 3844831 A4 20220629 - COATED LITHIUM ION RECHARGEABLE BATTERY ACTIVE MATERIALS
Title (en)
COATED LITHIUM ION RECHARGEABLE BATTERY ACTIVE MATERIALS
Title (de)
BESCHICHTETE AKTIVMATERIALIEN FÜR WIEDERAUFLADBARE LITHIUM-IONEN-BATTERIEN
Title (fr)
MATÉRIAUX ACTIFS DE BATTERIE RECHARGEABLE AU LITHIUM-ION REVÊTUS
Publication
Application
Priority
- US 201862725060 P 20180830
- US 2019048768 W 20190829
Abstract (en)
[origin: WO2020047228A1] The disclosure provides a coated positive electrode active material particle including an active material having the general chemical formula AxMyEz(X04)q, wherein A is an alkali metal or an alkaline earth metal, M includes cobalt, E is a non- electrochemically active metal, a boron group element, or silicon or any alloys or combinations thereof, X is phosphorus or sulfur or a combination thereof, 0<x≤1, y>0, z ≥0, q>0, and the relative values of x, y, z, and q are such that the general chemical formula is charge balanced. The coated positive electrode active material particle also includes a coating including AI2O3, ZriZE, T1O2, ZnO, B2O3, MgO2, La202, LiF and any combinations thereof or LiM1P04, where M1 is Fe, Cr, Mn, Ni, V, or any alloys or combinations thereof.
IPC 8 full level
H01M 4/58 (2010.01); H01M 4/136 (2010.01); H01M 4/1397 (2010.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01); H01M 10/04 (2006.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01)
CPC (source: EP KR)
H01M 4/136 (2013.01 - EP); H01M 4/1397 (2013.01 - EP); H01M 4/366 (2013.01 - EP KR); H01M 4/5825 (2013.01 - EP KR); H01M 4/62 (2013.01 - EP KR); H01M 4/625 (2013.01 - KR); H01M 10/052 (2013.01 - KR); H01M 10/0566 (2013.01 - KR); H01M 10/0569 (2013.01 - KR); H01M 10/058 (2013.01 - KR); H01M 4/625 (2013.01 - EP); H01M 10/0468 (2013.01 - EP KR); H01M 10/0481 (2013.01 - EP KR); H01M 10/0525 (2013.01 - EP); H01M 10/0568 (2013.01 - EP); H01M 10/0569 (2013.01 - EP); H01M 2300/0025 (2013.01 - EP); H01M 2300/0045 (2013.01 - EP KR); Y02E 60/10 (2013.01 - EP); Y02P 70/50 (2015.11 - EP)
Citation (search report)
- [IAY] EP 2924785 A1 20150930 - NAT INST OF ADVANCED IND SCIEN [JP], et al
- [YA] CN 107681113 A 20180209 - NINGDE CONTEMPORARY AMPEREX TECH CO LTD
- [YA] CN 104993171 A 20151021 - HUBEI POWERCOM TECHNOLOGY CO LTD
- [YA] EP 2287947 A1 20110223 - GS YUASA INT LTD [JP]
- See references of WO 2020047228A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2020047228 A1 20200305; CA 3109525 A1 20200305; CN 113169328 A 20210723; EP 3844831 A1 20210707; EP 3844831 A4 20220629; JP 2022522559 A 20220420; JP 2023181319 A 20231221; JP 7443340 B2 20240305; KR 20210062021 A 20210528
DOCDB simple family (application)
US 2019048768 W 20190829; CA 3109525 A 20190829; CN 201980070904 A 20190829; EP 19856341 A 20190829; JP 2021512278 A 20190829; JP 2023183376 A 20231025; KR 20217009263 A 20190829