A POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE BATTERIES

The present invention provides a positive electrode active oxide material for rechargeable batteries, comprising lithium, nickel, and at least one metal selected from the group comprising manganese and cobalt, whereby said positive electrode active material has a single-crystalline morphology and sa...

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Hauptverfasser:	KUMAKURA, SHINICHI, KANG, JIHOON, YANG, TAEHYEON, PAULSEN, JENS MARTIN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator	KUMAKURA, SHINICHI KANG, JIHOON YANG, TAEHYEON PAULSEN, JENS MARTIN
description	The present invention provides a positive electrode active oxide material for rechargeable batteries, comprising lithium, nickel, and at least one metal selected from the group comprising manganese and cobalt, whereby said positive electrode active material has a single-crystalline morphology and said surface layer further comprises aluminum and fluorine, wherein the atomic ratio of Al to a total amount of Ni, Mn, and/or Co of 1.0 to 7.0, and wherein said surface layer has an atomic ratio of F to a total amount of Ni, Mn, and/or Co of 0.5 to 6.0, as determined by XPS analysis. La présente invention concerne un matériau d'oxyde actif d'électrode positive pour batteries rechargeables, comprenant du lithium, du nickel, et au moins un métal choisi dans le groupe comprenant le manganèse et le cobalt, ledit matériau actif d'électrode positive ayant une morphologie monocristalline et ladite couche de surface comprenant en outre de l'aluminium et du fluor, le rapport atomique d'Al à une quantité totale de Ni, de Mn, et/ou de Co allant de 1,0 à 7,0, et ladite couche de surface ayant un rapport atomique de F à une quantité totale de Ni, de Mn et/ou de Co de 0,5 à 6,0, tel que déterminé par analyse XPS.
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La présente invention concerne un matériau d'oxyde actif d'électrode positive pour batteries rechargeables, comprenant du lithium, du nickel, et au moins un métal choisi dans le groupe comprenant le manganèse et le cobalt, ledit matériau actif d'électrode positive ayant une morphologie monocristalline et ladite couche de surface comprenant en outre de l'aluminium et du fluor, le rapport atomique d'Al à une quantité totale de Ni, de Mn, et/ou de Co allant de 1,0 à 7,0, et ladite couche de surface ayant un rapport atomique de F à une quantité totale de Ni, de Mn et/ou de Co de 0,5 à 6,0, tel que déterminé par analyse XPS.</description><language>eng ; fre</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ; ELECTRICITY ; INORGANIC CHEMISTRY ; METALLURGY ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220512&DB=EPODOC&CC=CA&NR=3197555A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25555,76308</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220512&DB=EPODOC&CC=CA&NR=3197555A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUMAKURA, SHINICHI</creatorcontrib><creatorcontrib>KANG, JIHOON</creatorcontrib><creatorcontrib>YANG, TAEHYEON</creatorcontrib><creatorcontrib>PAULSEN, JENS MARTIN</creatorcontrib><title>A POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE BATTERIES</title><description>The present invention provides a positive electrode active oxide material for rechargeable batteries, comprising lithium, nickel, and at least one metal selected from the group comprising manganese and cobalt, whereby said positive electrode active material has a single-crystalline morphology and said surface layer further comprises aluminum and fluorine, wherein the atomic ratio of Al to a total amount of Ni, Mn, and/or Co of 1.0 to 7.0, and wherein said surface layer has an atomic ratio of F to a total amount of Ni, Mn, and/or Co of 0.5 to 6.0, as determined by XPS analysis. 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La présente invention concerne un matériau d'oxyde actif d'électrode positive pour batteries rechargeables, comprenant du lithium, du nickel, et au moins un métal choisi dans le groupe comprenant le manganèse et le cobalt, ledit matériau actif d'électrode positive ayant une morphologie monocristalline et ladite couche de surface comprenant en outre de l'aluminium et du fluor, le rapport atomique d'Al à une quantité totale de Ni, de Mn, et/ou de Co allant de 1,0 à 7,0, et ladite couche de surface ayant un rapport atomique de F à une quantité totale de Ni, de Mn et/ou de Co de 0,5 à 6,0, tel que déterminé par analyse XPS.</abstract><oa>free_for_read</oa></addata></record>
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subjects	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title	A POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE BATTERIES
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