Nickel-cobalt-manganese-aluminum quaternary precursor material, preparation method thereof and positive electrode material
The invention relates to the technical field of lithium ion batteries, in particular to a nickel-cobalt-manganese-aluminum quaternary precursor material, a preparation method thereof and a positive electrode material. The nickel-cobalt-manganese-aluminum quaternary precursor material sequentially co...
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| creator | REN XIANGMENG HU JUN GANG JUNGE LI JIWEN ZENG XU JIANG HONGLIANG |
| description | The invention relates to the technical field of lithium ion batteries, in particular to a nickel-cobalt-manganese-aluminum quaternary precursor material, a preparation method thereof and a positive electrode material. The nickel-cobalt-manganese-aluminum quaternary precursor material sequentially comprises an inner layer, a middle layer and an outer layer from inside to outside, the chemical formula of the inner layer is NiaCobMncAl (1-a-b-c) (OH) 2, a is greater than or equal to 0.94 and greater than or equal to 0.8, and c is greater than or equal to b and greater than or equal to 1-a-b-c and greater than 0; the chemical formula of the middle layer is NI < 1 > Co < m > Mn < n > Al < 1-l-m-n > (OH) < 2 >, 0.9 > = l > = 0.8, n > = m > 0, and 1-l-m-n > 0; the chemical formula of the outer layer is NiwCoxMnyAlzNb (1-w-x-y-z) (OH) 2, wherein 0.6 > = w > = 0.4, 0.1 > = x > 0, 0.5 > = y > = 0.3, 0.2 > = z > = 0.05, 0.1 > = 1-w-x-y-z > = 0.01; and the lithium ion battery has excellent rate capability, cycle performa |
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The nickel-cobalt-manganese-aluminum quaternary precursor material sequentially comprises an inner layer, a middle layer and an outer layer from inside to outside, the chemical formula of the inner layer is NiaCobMncAl (1-a-b-c) (OH) 2, a is greater than or equal to 0.94 and greater than or equal to 0.8, and c is greater than or equal to b and greater than or equal to 1-a-b-c and greater than 0; the chemical formula of the middle layer is NI < 1 > Co < m > Mn < n > Al < 1-l-m-n > (OH) < 2 >, 0.9 > = l > = 0.8, n > = m > 0, and 1-l-m-n > 0; the chemical formula of the outer layer is NiwCoxMnyAlzNb (1-w-x-y-z) (OH) 2, wherein 0.6 > = w > = 0.4, 0.1 > = x > 0, 0.5 > = y > = 0.3, 0.2 > = z > = 0.05, 0.1 > = 1-w-x-y-z > = 0.01; and the lithium ion battery has excellent rate capability, cycle performa</description><language>chi ; eng</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>2023</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=20230630&DB=EPODOC&CC=CN&NR=116354418A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230630&DB=EPODOC&CC=CN&NR=116354418A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>REN XIANGMENG</creatorcontrib><creatorcontrib>HU JUN</creatorcontrib><creatorcontrib>GANG JUNGE</creatorcontrib><creatorcontrib>LI JIWEN</creatorcontrib><creatorcontrib>ZENG XU</creatorcontrib><creatorcontrib>JIANG HONGLIANG</creatorcontrib><title>Nickel-cobalt-manganese-aluminum quaternary precursor material, preparation method thereof and positive electrode material</title><description>The invention relates to the technical field of lithium ion batteries, in particular to a nickel-cobalt-manganese-aluminum quaternary precursor material, a preparation method thereof and a positive electrode material. The nickel-cobalt-manganese-aluminum quaternary precursor material sequentially comprises an inner layer, a middle layer and an outer layer from inside to outside, the chemical formula of the inner layer is NiaCobMncAl (1-a-b-c) (OH) 2, a is greater than or equal to 0.94 and greater than or equal to 0.8, and c is greater than or equal to b and greater than or equal to 1-a-b-c and greater than 0; the chemical formula of the middle layer is NI < 1 > Co < m > Mn < n > Al < 1-l-m-n > (OH) < 2 >, 0.9 > = l > = 0.8, n > = m > 0, and 1-l-m-n > 0; the chemical formula of the outer layer is NiwCoxMnyAlzNb (1-w-x-y-z) (OH) 2, wherein 0.6 > = w > = 0.4, 0.1 > = x > 0, 0.5 > = y > = 0.3, 0.2 > = z > = 0.05, 0.1 > = 1-w-x-y-z > = 0.01; and the lithium ion battery has excellent rate capability, cycle performa</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CHEMISTRY</subject><subject>COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F</subject><subject>ELECTRICITY</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNi7sKwkAUBdNYiPoP194tQqLYSlCsUtmH6-bELO7LfQj69RIQa6uBYWZevFsl79BCuivrJAzbG1tECNbZKJsNPTInBMvhRT5A5hBdIDM5xXozOc-Bk3KWDNLoekojAtxAbHvyLqqkniBoyBRcj9-7LGYD64jVl4tifTpemrOAdx2iZwmL1DVtWe6qbV2X-0P1T_MBL9RIdw</recordid><startdate>20230630</startdate><enddate>20230630</enddate><creator>REN XIANGMENG</creator><creator>HU JUN</creator><creator>GANG JUNGE</creator><creator>LI JIWEN</creator><creator>ZENG XU</creator><creator>JIANG HONGLIANG</creator><scope>EVB</scope></search><sort><creationdate>20230630</creationdate><title>Nickel-cobalt-manganese-aluminum quaternary precursor material, preparation method thereof and positive electrode material</title><author>REN XIANGMENG ; HU JUN ; GANG JUNGE ; LI JIWEN ; ZENG XU ; JIANG HONGLIANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN116354418A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CHEMISTRY</topic><topic>COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F</topic><topic>ELECTRICITY</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><toplevel>online_resources</toplevel><creatorcontrib>REN XIANGMENG</creatorcontrib><creatorcontrib>HU JUN</creatorcontrib><creatorcontrib>GANG JUNGE</creatorcontrib><creatorcontrib>LI JIWEN</creatorcontrib><creatorcontrib>ZENG XU</creatorcontrib><creatorcontrib>JIANG HONGLIANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>REN XIANGMENG</au><au>HU JUN</au><au>GANG JUNGE</au><au>LI JIWEN</au><au>ZENG XU</au><au>JIANG HONGLIANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Nickel-cobalt-manganese-aluminum quaternary precursor material, preparation method thereof and positive electrode material</title><date>2023-06-30</date><risdate>2023</risdate><abstract>The invention relates to the technical field of lithium ion batteries, in particular to a nickel-cobalt-manganese-aluminum quaternary precursor material, a preparation method thereof and a positive electrode material. The nickel-cobalt-manganese-aluminum quaternary precursor material sequentially comprises an inner layer, a middle layer and an outer layer from inside to outside, the chemical formula of the inner layer is NiaCobMncAl (1-a-b-c) (OH) 2, a is greater than or equal to 0.94 and greater than or equal to 0.8, and c is greater than or equal to b and greater than or equal to 1-a-b-c and greater than 0; the chemical formula of the middle layer is NI < 1 > Co < m > Mn < n > Al < 1-l-m-n > (OH) < 2 >, 0.9 > = l > = 0.8, n > = m > 0, and 1-l-m-n > 0; the chemical formula of the outer layer is NiwCoxMnyAlzNb (1-w-x-y-z) (OH) 2, wherein 0.6 > = w > = 0.4, 0.1 > = x > 0, 0.5 > = y > = 0.3, 0.2 > = z > = 0.05, 0.1 > = 1-w-x-y-z > = 0.01; and the lithium ion battery has excellent rate capability, cycle performa</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 | Nickel-cobalt-manganese-aluminum quaternary precursor material, preparation method thereof and positive electrode material |
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