Process for making a partially coated electrode active material, and electrode active material
A process for making a partially coated electrode active material may involve: (a) providing an electrode active material of the formula Li1+xTM1−xO2, wherein TM is a combination of Ni, Co and, optionally, Mn, and, optionally, at least one metal selected from Al, Ti, Mo, W, and Zr, and x is in the r...
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| creator | Sommer, Heino Haag, Jacob Ahlf, Maraike |
| description | A process for making a partially coated electrode active material may involve: (a) providing an electrode active material of the formula Li1+xTM1−xO2, wherein TM is a combination of Ni, Co and, optionally, Mn, and, optionally, at least one metal selected from Al, Ti, Mo, W, and Zr, and x is in the range of from zero to 0.2, wherein at least 60 mole-% of the transition metal of TM is Ni, and wherein the electrode active material has a residual moisture content in the range of from 50 to 1,000 ppm; (b) treating the electrode active material with a metal alkoxide or metal halide or metal amide or alkyl metal compound; (c) treating the material obtained in (b) with moisture; and (d) repeating the sequence of (b) and (c) twice to 4 times, wherein, in the last sequence of (b) and (c), moisture is at least partially substituted by ozone. |
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(b) treating the electrode active material with a metal alkoxide or metal halide or metal amide or alkyl metal compound; (c) treating the material obtained in (b) with moisture; and (d) repeating the sequence of (b) and (c) twice to 4 times, wherein, in the last sequence of (b) and (c), moisture is at least partially substituted by ozone.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ; ELECTRICITY ; INORGANIC CHEMISTRY ; METALLURGY ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><creationdate>2024</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=20240326&DB=EPODOC&CC=US&NR=11942634B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240326&DB=EPODOC&CC=US&NR=11942634B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Sommer, Heino</creatorcontrib><creatorcontrib>Haag, Jacob</creatorcontrib><creatorcontrib>Ahlf, Maraike</creatorcontrib><title>Process for making a partially coated electrode active material, and electrode active material</title><description>A process for making a partially coated electrode active material may involve: (a) providing an electrode active material of the formula Li1+xTM1−xO2, wherein TM is a combination of Ni, Co and, optionally, Mn, and, optionally, at least one metal selected from Al, Ti, Mo, W, and Zr, and x is in the range of from zero to 0.2, wherein at least 60 mole-% of the transition metal of TM is Ni, and wherein the electrode active material has a residual moisture content in the range of from 50 to 1,000 ppm; (b) treating the electrode active material with a metal alkoxide or metal halide or metal amide or alkyl metal compound; (c) treating the material obtained in (b) with moisture; and (d) repeating the sequence of (b) and (c) twice to 4 times, wherein, in the last sequence of (b) and (c), moisture is at least partially substituted by ozone.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CHEMISTRY</subject><subject>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</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>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZIgLKMpPTi0uVkjLL1LITczOzEtXSFQoSCwqyUzMyalUSM5PLElNUUjNSU0uKcpPSVVITC7JLEsFKi1JLQIq0VFIzMMjzcPAmpaYU5zKC6W5GRTdXEOcPXRTC_LjU4sLEpNT81JL4kODDQ0tTYzMjE2cjIyJUQMAJrI8mA</recordid><startdate>20240326</startdate><enddate>20240326</enddate><creator>Sommer, Heino</creator><creator>Haag, Jacob</creator><creator>Ahlf, Maraike</creator><scope>EVB</scope></search><sort><creationdate>20240326</creationdate><title>Process for making a partially coated electrode active material, and electrode active material</title><author>Sommer, Heino ; Haag, Jacob ; Ahlf, Maraike</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US11942634B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2024</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CHEMISTRY</topic><topic>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</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>Sommer, Heino</creatorcontrib><creatorcontrib>Haag, Jacob</creatorcontrib><creatorcontrib>Ahlf, Maraike</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Sommer, Heino</au><au>Haag, Jacob</au><au>Ahlf, Maraike</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Process for making a partially coated electrode active material, and electrode active material</title><date>2024-03-26</date><risdate>2024</risdate><abstract>A process for making a partially coated electrode active material may involve: (a) providing an electrode active material of the formula Li1+xTM1−xO2, wherein TM is a combination of Ni, Co and, optionally, Mn, and, optionally, at least one metal selected from Al, Ti, Mo, W, and Zr, and x is in the range of from zero to 0.2, wherein at least 60 mole-% of the transition metal of TM is Ni, and wherein the electrode active material has a residual moisture content in the range of from 50 to 1,000 ppm; (b) treating the electrode active material with a metal alkoxide or metal halide or metal amide or alkyl metal compound; (c) treating the material obtained in (b) with moisture; and (d) repeating the sequence of (b) and (c) twice to 4 times, wherein, in the last sequence of (b) and (c), moisture is at least partially substituted by ozone.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ELECTRICITY INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY |
| title | Process for making a partially coated electrode active material, and electrode active material |
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