Novel nickel-manganese-based layered sodium ion battery positive electrode material
The invention belongs to the technical field of electrochemistry, and particularly discloses a novel nickel-manganese-based layered sodium ion battery positive electrode material, the general formula of which is NaxNiyMnzM1-y-zO2, in the general formula, M comprises at least one of iron, zinc, nicke...
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| description | The invention belongs to the technical field of electrochemistry, and particularly discloses a novel nickel-manganese-based layered sodium ion battery positive electrode material, the general formula of which is NaxNiyMnzM1-y-zO2, in the general formula, M comprises at least one of iron, zinc, nickel, copper, lithium and titanium, 0.5 < = x < = 1.0, 0 < y < 1.0, and 0 < z < 1.0. One or more metal ions are doped in a TM layer of a nickel-manganese-based layered positive electrode oxide, occupation of two different Wyckoff sites is regulated and controlled, rearrangement of Na < + > is successfully induced, the Nae/Naf proportion is regulated and controlled, after the metal ions are doped in the TM layer, Na < + > preferentially occupies the Nae sites, the original arrangement mode of Na < + > is changed, and ordered arrangement of TMn < + > and Na < + >/vacancies is disturbed. The unordered Na < + > distribution and the preferential occupation of Nae sites not only provide a new coordination environment for ef |
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One or more metal ions are doped in a TM layer of a nickel-manganese-based layered positive electrode oxide, occupation of two different Wyckoff sites is regulated and controlled, rearrangement of Na < + > is successfully induced, the Nae/Naf proportion is regulated and controlled, after the metal ions are doped in the TM layer, Na < + > preferentially occupies the Nae sites, the original arrangement mode of Na < + > is changed, and ordered arrangement of TMn < + > and Na < + >/vacancies is disturbed. The unordered Na < + > distribution and the preferential occupation of Nae sites not only provide a new coordination environment for ef]]></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>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=20220722&DB=EPODOC&CC=CN&NR=114784266A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220722&DB=EPODOC&CC=CN&NR=114784266A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MEI LONGWEI</creatorcontrib><title>Novel nickel-manganese-based layered sodium ion battery positive electrode material</title><description><![CDATA[The invention belongs to the technical field of electrochemistry, and particularly discloses a novel nickel-manganese-based layered sodium ion battery positive electrode material, the general formula of which is NaxNiyMnzM1-y-zO2, in the general formula, M comprises at least one of iron, zinc, nickel, copper, lithium and titanium, 0.5 < = x < = 1.0, 0 < y < 1.0, and 0 < z < 1.0. One or more metal ions are doped in a TM layer of a nickel-manganese-based layered positive electrode oxide, occupation of two different Wyckoff sites is regulated and controlled, rearrangement of Na < + > is successfully induced, the Nae/Naf proportion is regulated and controlled, after the metal ions are doped in the TM layer, Na < + > preferentially occupies the Nae sites, the original arrangement mode of Na < + > is changed, and ordered arrangement of TMn < + > and Na < + >/vacancies is disturbed. The unordered Na < + > distribution and the preferential occupation of Nae sites not only provide a new coordination environment for ef]]></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>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjsOwjAQRVE3FAjYw7AAF4Eo0KIIRJUG-mhiPyIL_2SbSNk9KVgA1SnuXYtHFyZY8ka9YaVjP7JHhhw4Q5PlGWkxB20-jkzwNHApSDPFkE0xEwgWqqSgQY6XYthuxerFNmP3cyP2t-uzvUvE0CNHVvAofdtVVX0614emuRz_eb6P4Tj7</recordid><startdate>20220722</startdate><enddate>20220722</enddate><creator>MEI LONGWEI</creator><scope>EVB</scope></search><sort><creationdate>20220722</creationdate><title>Novel nickel-manganese-based layered sodium ion battery positive electrode material</title><author>MEI LONGWEI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN114784266A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</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>MEI LONGWEI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MEI LONGWEI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Novel nickel-manganese-based layered sodium ion battery positive electrode material</title><date>2022-07-22</date><risdate>2022</risdate><abstract><![CDATA[The invention belongs to the technical field of electrochemistry, and particularly discloses a novel nickel-manganese-based layered sodium ion battery positive electrode material, the general formula of which is NaxNiyMnzM1-y-zO2, in the general formula, M comprises at least one of iron, zinc, nickel, copper, lithium and titanium, 0.5 < = x < = 1.0, 0 < y < 1.0, and 0 < z < 1.0. One or more metal ions are doped in a TM layer of a nickel-manganese-based layered positive electrode oxide, occupation of two different Wyckoff sites is regulated and controlled, rearrangement of Na < + > is successfully induced, the Nae/Naf proportion is regulated and controlled, after the metal ions are doped in the TM layer, Na < + > preferentially occupies the Nae sites, the original arrangement mode of Na < + > is changed, and ordered arrangement of TMn < + > and Na < + >/vacancies is disturbed. The unordered Na < + > distribution and the preferential occupation of Nae sites not only provide a new coordination environment for ef]]></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 | Novel nickel-manganese-based layered sodium ion battery positive electrode material |
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