A facile in-situ coating strategy for Ni-rich cathode materials with improved electrochemical performance
A facile in-situ hydrolytic coating strategy has been suggested to architecture LiAlSiO4 (LASO)-coated LiNi0.8Co0.1Mn0.1O2 (LNCM) cathode material for lithium-ion batteries. Homogeneous LASO coating layer, as an one-dimensional lithium ion conductor, on the surface of LNCM is observed clearly and as...
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| Veröffentlicht in: | Electrochimica acta 2021-07, Vol.383, p.138297, Article 138297 |
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| container_title | Electrochimica acta |
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| creator | Zhang, Xiang Hu, Guorong Cao, Yanbing Peng, Zhongdong Wang, Weigang Tan, Chaopu Wang, Yongzhi Du, Ke |
| description | A facile in-situ hydrolytic coating strategy has been suggested to architecture LiAlSiO4 (LASO)-coated LiNi0.8Co0.1Mn0.1O2 (LNCM) cathode material for lithium-ion batteries. Homogeneous LASO coating layer, as an one-dimensional lithium ion conductor, on the surface of LNCM is observed clearly and ascertained jointly by several testing methods. The effects of LASO coating layer on physicochemical properties, electrochemical properties and electrochemical kinetics of LNCM cathode material have been rigorously investigated by various tests. The cycling stability, rate capability and Li+ ion diffusion rate are enhanced evidently after LASO coating. Moreover, the polarization, impedance increase and particles cracking after cycles under the high cut-off voltage are greatly improved. These effective and obvious improvements are ascribed to the LASO coating layer, which could effectively inhibit the occurrence of side reactions and HF erosion and provide a fast ion diffusion channel for lithium ions on the surface of LNCM. |
| doi_str_mv | 10.1016/j.electacta.2021.138297 |
| format | Article |
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Homogeneous LASO coating layer, as an one-dimensional lithium ion conductor, on the surface of LNCM is observed clearly and ascertained jointly by several testing methods. The effects of LASO coating layer on physicochemical properties, electrochemical properties and electrochemical kinetics of LNCM cathode material have been rigorously investigated by various tests. The cycling stability, rate capability and Li+ ion diffusion rate are enhanced evidently after LASO coating. Moreover, the polarization, impedance increase and particles cracking after cycles under the high cut-off voltage are greatly improved. These effective and obvious improvements are ascribed to the LASO coating layer, which could effectively inhibit the occurrence of side reactions and HF erosion and provide a fast ion diffusion channel for lithium ions on the surface of LNCM.</description><identifier>ISSN: 0013-4686</identifier><identifier>EISSN: 1873-3859</identifier><identifier>DOI: 10.1016/j.electacta.2021.138297</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Cathodes ; Conductors ; Diffusion coating ; Diffusion rate ; Electrochemical analysis ; Electrode materials ; Electrode polarization ; In-situ coating ; Ion diffusion ; Lithium ; Lithium ion conductor ; Lithium-ion batteries ; Ni-rich materials ; Rechargeable batteries</subject><ispartof>Electrochimica acta, 2021-07, Vol.383, p.138297, Article 138297</ispartof><rights>2021</rights><rights>Copyright Elsevier BV Jul 1, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-1f7d7b42317afb49a2f41854bdd8bfe399f3837c515c5fb4b690716771d2ed103</citedby><cites>FETCH-LOGICAL-c343t-1f7d7b42317afb49a2f41854bdd8bfe399f3837c515c5fb4b690716771d2ed103</cites><orcidid>0000-0001-5984-6973 ; 0000-0002-2216-1046</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0013468621005879$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Zhang, Xiang</creatorcontrib><creatorcontrib>Hu, Guorong</creatorcontrib><creatorcontrib>Cao, Yanbing</creatorcontrib><creatorcontrib>Peng, Zhongdong</creatorcontrib><creatorcontrib>Wang, Weigang</creatorcontrib><creatorcontrib>Tan, Chaopu</creatorcontrib><creatorcontrib>Wang, Yongzhi</creatorcontrib><creatorcontrib>Du, Ke</creatorcontrib><title>A facile in-situ coating strategy for Ni-rich cathode materials with improved electrochemical performance</title><title>Electrochimica acta</title><description>A facile in-situ hydrolytic coating strategy has been suggested to architecture LiAlSiO4 (LASO)-coated LiNi0.8Co0.1Mn0.1O2 (LNCM) cathode material for lithium-ion batteries. Homogeneous LASO coating layer, as an one-dimensional lithium ion conductor, on the surface of LNCM is observed clearly and ascertained jointly by several testing methods. The effects of LASO coating layer on physicochemical properties, electrochemical properties and electrochemical kinetics of LNCM cathode material have been rigorously investigated by various tests. The cycling stability, rate capability and Li+ ion diffusion rate are enhanced evidently after LASO coating. Moreover, the polarization, impedance increase and particles cracking after cycles under the high cut-off voltage are greatly improved. These effective and obvious improvements are ascribed to the LASO coating layer, which could effectively inhibit the occurrence of side reactions and HF erosion and provide a fast ion diffusion channel for lithium ions on the surface of LNCM.</description><subject>Cathodes</subject><subject>Conductors</subject><subject>Diffusion coating</subject><subject>Diffusion rate</subject><subject>Electrochemical analysis</subject><subject>Electrode materials</subject><subject>Electrode polarization</subject><subject>In-situ coating</subject><subject>Ion diffusion</subject><subject>Lithium</subject><subject>Lithium ion conductor</subject><subject>Lithium-ion batteries</subject><subject>Ni-rich materials</subject><subject>Rechargeable batteries</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFUE1LAzEUDKJgrf4GA5635ms3u8dS_IKiFz2HbPLSpuxHTdJK_72pFa_Cg3d4M_NmBqFbSmaU0Op-M4MOTNJ5ZowwOqO8Zo08QxNaS17wumzO0YQQygtR1dUluopxQwiRlSQT5OfYaeM7wH4ook87bEad_LDCMQWdYHXAbgz41RfBmzU2Oq1HC7jPp-B1F_GXT2vs-20Y92Dxj5UwmjX03ugObyFkeq8HA9fowmUC3PzuKfp4fHhfPBfLt6eXxXxZGC54KqiTVraCcSq1a0WjmRO0LkVrbd064E3jeM2lKWlpygxoq4ZIWklJLQNLCZ-iu5NutvS5g5jUZtyFIb9UrOSiEqwRIqPkCWXCGGMAp7bB9zocFCXq2KvaqL9e1bFXdeo1M-cnJuQQew9BReMhB7Q-ZLyyo_9X4xvd04Z_</recordid><startdate>20210701</startdate><enddate>20210701</enddate><creator>Zhang, Xiang</creator><creator>Hu, Guorong</creator><creator>Cao, Yanbing</creator><creator>Peng, Zhongdong</creator><creator>Wang, Weigang</creator><creator>Tan, Chaopu</creator><creator>Wang, Yongzhi</creator><creator>Du, Ke</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-5984-6973</orcidid><orcidid>https://orcid.org/0000-0002-2216-1046</orcidid></search><sort><creationdate>20210701</creationdate><title>A facile in-situ coating strategy for Ni-rich cathode materials with improved electrochemical performance</title><author>Zhang, Xiang ; Hu, Guorong ; Cao, Yanbing ; Peng, Zhongdong ; Wang, Weigang ; Tan, Chaopu ; Wang, Yongzhi ; Du, Ke</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-1f7d7b42317afb49a2f41854bdd8bfe399f3837c515c5fb4b690716771d2ed103</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Cathodes</topic><topic>Conductors</topic><topic>Diffusion coating</topic><topic>Diffusion rate</topic><topic>Electrochemical analysis</topic><topic>Electrode materials</topic><topic>Electrode polarization</topic><topic>In-situ coating</topic><topic>Ion diffusion</topic><topic>Lithium</topic><topic>Lithium ion conductor</topic><topic>Lithium-ion batteries</topic><topic>Ni-rich materials</topic><topic>Rechargeable batteries</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Xiang</creatorcontrib><creatorcontrib>Hu, Guorong</creatorcontrib><creatorcontrib>Cao, Yanbing</creatorcontrib><creatorcontrib>Peng, Zhongdong</creatorcontrib><creatorcontrib>Wang, Weigang</creatorcontrib><creatorcontrib>Tan, Chaopu</creatorcontrib><creatorcontrib>Wang, Yongzhi</creatorcontrib><creatorcontrib>Du, Ke</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Electrochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Xiang</au><au>Hu, Guorong</au><au>Cao, Yanbing</au><au>Peng, Zhongdong</au><au>Wang, Weigang</au><au>Tan, Chaopu</au><au>Wang, Yongzhi</au><au>Du, Ke</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A facile in-situ coating strategy for Ni-rich cathode materials with improved electrochemical performance</atitle><jtitle>Electrochimica acta</jtitle><date>2021-07-01</date><risdate>2021</risdate><volume>383</volume><spage>138297</spage><pages>138297-</pages><artnum>138297</artnum><issn>0013-4686</issn><eissn>1873-3859</eissn><abstract>A facile in-situ hydrolytic coating strategy has been suggested to architecture LiAlSiO4 (LASO)-coated LiNi0.8Co0.1Mn0.1O2 (LNCM) cathode material for lithium-ion batteries. Homogeneous LASO coating layer, as an one-dimensional lithium ion conductor, on the surface of LNCM is observed clearly and ascertained jointly by several testing methods. The effects of LASO coating layer on physicochemical properties, electrochemical properties and electrochemical kinetics of LNCM cathode material have been rigorously investigated by various tests. The cycling stability, rate capability and Li+ ion diffusion rate are enhanced evidently after LASO coating. Moreover, the polarization, impedance increase and particles cracking after cycles under the high cut-off voltage are greatly improved. These effective and obvious improvements are ascribed to the LASO coating layer, which could effectively inhibit the occurrence of side reactions and HF erosion and provide a fast ion diffusion channel for lithium ions on the surface of LNCM.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.electacta.2021.138297</doi><orcidid>https://orcid.org/0000-0001-5984-6973</orcidid><orcidid>https://orcid.org/0000-0002-2216-1046</orcidid></addata></record> |
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| subjects | Cathodes Conductors Diffusion coating Diffusion rate Electrochemical analysis Electrode materials Electrode polarization In-situ coating Ion diffusion Lithium Lithium ion conductor Lithium-ion batteries Ni-rich materials Rechargeable batteries |
| title | A facile in-situ coating strategy for Ni-rich cathode materials with improved electrochemical performance |
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