Sodium-ion battery positive electrode material as well as preparation method and application thereof

Sodium-ion battery positive electrode material as well as preparation method and application thereof

The invention discloses a sodium ion battery positive electrode material and a preparation method and application thereof. The sodium ion battery positive electrode material comprises a high-entropy type layered transition metal oxide and a solid electrolyte coating layer coating the surface of the...

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Hauptverfasser: SHEN JINJING, GUO JIAN, GAO XIULING, MA XIAOLI
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator SHEN JINJING
GUO JIAN
GAO XIULING
MA XIAOLI
description The invention discloses a sodium ion battery positive electrode material and a preparation method and application thereof. The sodium ion battery positive electrode material comprises a high-entropy type layered transition metal oxide and a solid electrolyte coating layer coating the surface of the high-entropy type layered transition metal oxide; wherein the chemical formula of the high-entropy layered transition metal oxide is NaTMO2, and TM comprises at least five of Li, B, Mg, Al, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Ru, Sn, Sb, Te, Ir and Bi. The sodium ion battery positive electrode material disclosed by the invention shows good structural stability, and also shows excellent long cycle performance and excellent rate capability on the premise of relatively high specific capacity. 本发明公开了一种钠离子电池正极材料及其制备方法和应用。所述钠离子电池正极材料包括高熵型层状过渡金属氧化物和包覆在所述高熵型层状过渡金属氧化物表面的固态电解质包覆层；其中，所述高熵型层状过渡金属氧化物的化学式为NaTMO2，TM包括Li、B、Mg、Al、Ca、Ti、V、Cr、Mn、Fe、Co、Ni、Cu、Zn、Y、Zr、Nb、Mo、Ru、Sn、Sb、Te、Ir和Bi中的至少五种。本发明的钠离子电池正极材料表现出良好的结构
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The sodium ion battery positive electrode material comprises a high-entropy type layered transition metal oxide and a solid electrolyte coating layer coating the surface of the high-entropy type layered transition metal oxide; wherein the chemical formula of the high-entropy layered transition metal oxide is NaTMO2, and TM comprises at least five of Li, B, Mg, Al, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Ru, Sn, Sb, Te, Ir and Bi. The sodium ion battery positive electrode material disclosed by the invention shows good structural stability, and also shows excellent long cycle performance and excellent rate capability on the premise of relatively high specific capacity. 本发明公开了一种钠离子电池正极材料及其制备方法和应用。所述钠离子电池正极材料包括高熵型层状过渡金属氧化物和包覆在所述高熵型层状过渡金属氧化物表面的固态电解质包覆层；其中，所述高熵型层状过渡金属氧化物的化学式为NaTMO2，TM包括Li、B、Mg、Al、Ca、Ti、V、Cr、Mn、Fe、Co、Ni、Cu、Zn、Y、Zr、Nb、Mo、Ru、Sn、Sb、Te、Ir和Bi中的至少五种。本发明的钠离子电池正极材料表现出良好的结构</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; ELECTRICITY ; 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&amp;date=20230509&amp;DB=EPODOC&amp;CC=CN&amp;NR=116093326A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25544,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20230509&amp;DB=EPODOC&amp;CC=CN&amp;NR=116093326A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHEN JINJING</creatorcontrib><creatorcontrib>GUO JIAN</creatorcontrib><creatorcontrib>GAO XIULING</creatorcontrib><creatorcontrib>MA XIAOLI</creatorcontrib><title>Sodium-ion battery positive electrode material as well as preparation method and application thereof</title><description>The invention discloses a sodium ion battery positive electrode material and a preparation method and application thereof. 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The sodium ion battery positive electrode material comprises a high-entropy type layered transition metal oxide and a solid electrolyte coating layer coating the surface of the high-entropy type layered transition metal oxide; wherein the chemical formula of the high-entropy layered transition metal oxide is NaTMO2, and TM comprises at least five of Li, B, Mg, Al, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Ru, Sn, Sb, Te, Ir and Bi. The sodium ion battery positive electrode material disclosed by the invention shows good structural stability, and also shows excellent long cycle performance and excellent rate capability on the premise of relatively high specific capacity. 本发明公开了一种钠离子电池正极材料及其制备方法和应用。所述钠离子电池正极材料包括高熵型层状过渡金属氧化物和包覆在所述高熵型层状过渡金属氧化物表面的固态电解质包覆层；其中，所述高熵型层状过渡金属氧化物的化学式为NaTMO2，TM包括Li、B、Mg、Al、Ca、Ti、V、Cr、Mn、Fe、Co、Ni、Cu、Zn、Y、Zr、Nb、Mo、Ru、Sn、Sb、Te、Ir和Bi中的至少五种。本发明的钠离子电池正极材料表现出良好的结构</abstract><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Sodium-ion battery positive electrode material as well as preparation method and application thereof
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