Facile fabrication of a high performance TiNb 2 O 7 anode for large-scale electrical energy storage
The titanium niobium oxide (TiNb 2 O 7 ) material is synthesized by a facile two-step solid-state calcination (denoted as 2ndTNO). The 2ndTNO delivers a high reversible discharge capacity of 288 mA h g −1 at 0.1C, good rate performances at 1C–5C, and an excellent capacity retention of 85.4% after 50...
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| Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2022-08, Vol.10 (34), p.17586-17592 |
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| container_issue | 34 |
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| container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
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| creator | Cheng, Li-Qian He, Yijuan Chen, Kai Ma, Zhenhua Liu, Ruiping Liu, Na Deng, Yichen |
| description | The titanium niobium oxide (TiNb
2
O
7
) material is synthesized by a facile two-step solid-state calcination (denoted as 2ndTNO). The 2ndTNO delivers a high reversible discharge capacity of 288 mA h g
−1
at 0.1C, good rate performances at 1C–5C, and an excellent capacity retention of 85.4% after 500 cycles at 1C/1C (with a discharge capacity of 195.5 mA h g
−1
after 500 cycles). Large-size 40 Ah LFP/TNO pouch type batteries are also assembled and exhibit excellent cycling stabilities. The enhancement in electrochemical properties of 2ndTNO is mainly attributed to the generation of oxygen vacancies during the second calcination, which increases the electronic conductivity
via
charge redistribution and atom reduction to lower valence states (Nb
4+
and Ti
3+
). The two-step calcination is a promising method for mass production of high-performance oxide electrode materials. |
| doi_str_mv | 10.1039/D2TA03995H |
| format | Article |
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2
O
7
) material is synthesized by a facile two-step solid-state calcination (denoted as 2ndTNO). The 2ndTNO delivers a high reversible discharge capacity of 288 mA h g
−1
at 0.1C, good rate performances at 1C–5C, and an excellent capacity retention of 85.4% after 500 cycles at 1C/1C (with a discharge capacity of 195.5 mA h g
−1
after 500 cycles). Large-size 40 Ah LFP/TNO pouch type batteries are also assembled and exhibit excellent cycling stabilities. The enhancement in electrochemical properties of 2ndTNO is mainly attributed to the generation of oxygen vacancies during the second calcination, which increases the electronic conductivity
via
charge redistribution and atom reduction to lower valence states (Nb
4+
and Ti
3+
). The two-step calcination is a promising method for mass production of high-performance oxide electrode materials.</description><identifier>ISSN: 2050-7488</identifier><identifier>EISSN: 2050-7496</identifier><identifier>DOI: 10.1039/D2TA03995H</identifier><language>eng</language><ispartof>Journal of materials chemistry. A, Materials for energy and sustainability, 2022-08, Vol.10 (34), p.17586-17592</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c76H-1c0a4f82339d56cb300d542d5b8318da3c2480d461a69e97f38f67fac362ba943</citedby><cites>FETCH-LOGICAL-c76H-1c0a4f82339d56cb300d542d5b8318da3c2480d461a69e97f38f67fac362ba943</cites><orcidid>0000-0001-7122-2370 ; 0000-0003-2277-785X ; 0000-0002-0032-2347</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids></links><search><creatorcontrib>Cheng, Li-Qian</creatorcontrib><creatorcontrib>He, Yijuan</creatorcontrib><creatorcontrib>Chen, Kai</creatorcontrib><creatorcontrib>Ma, Zhenhua</creatorcontrib><creatorcontrib>Liu, Ruiping</creatorcontrib><creatorcontrib>Liu, Na</creatorcontrib><creatorcontrib>Deng, Yichen</creatorcontrib><title>Facile fabrication of a high performance TiNb 2 O 7 anode for large-scale electrical energy storage</title><title>Journal of materials chemistry. A, Materials for energy and sustainability</title><description>The titanium niobium oxide (TiNb
2
O
7
) material is synthesized by a facile two-step solid-state calcination (denoted as 2ndTNO). The 2ndTNO delivers a high reversible discharge capacity of 288 mA h g
−1
at 0.1C, good rate performances at 1C–5C, and an excellent capacity retention of 85.4% after 500 cycles at 1C/1C (with a discharge capacity of 195.5 mA h g
−1
after 500 cycles). Large-size 40 Ah LFP/TNO pouch type batteries are also assembled and exhibit excellent cycling stabilities. The enhancement in electrochemical properties of 2ndTNO is mainly attributed to the generation of oxygen vacancies during the second calcination, which increases the electronic conductivity
via
charge redistribution and atom reduction to lower valence states (Nb
4+
and Ti
3+
). The two-step calcination is a promising method for mass production of high-performance oxide electrode materials.</description><issn>2050-7488</issn><issn>2050-7496</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNpFkL1OwzAYRS0EElXpwhN8M1LAf3HssSqUIlV0yR598U8alMaVnaVvTyoQ3OXc5Z7hEvLI6DOjwry88no905S7G7LgtKRFJY26_eta35NVzl90jqZUGbMgdou2HzwEbFNvcerjCDEAwrHvjnD2KcR0wtF6qPvPFjgcoAIco5snMcGAqfNFtjgr_ODtdJUM4EefugvkKSbs_AO5Czhkv_rlktTbt3qzK_aH94_Nel_YSu0KZinKoLkQxpXKtoJSV0ruylYLph0Ky6WmTiqGynhTBaGDqgJaoXiLRoolefrR2hRzTj4059SfMF0aRpvrQc3_QeIbFq5XPA</recordid><startdate>20220830</startdate><enddate>20220830</enddate><creator>Cheng, Li-Qian</creator><creator>He, Yijuan</creator><creator>Chen, Kai</creator><creator>Ma, Zhenhua</creator><creator>Liu, Ruiping</creator><creator>Liu, Na</creator><creator>Deng, Yichen</creator><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0001-7122-2370</orcidid><orcidid>https://orcid.org/0000-0003-2277-785X</orcidid><orcidid>https://orcid.org/0000-0002-0032-2347</orcidid></search><sort><creationdate>20220830</creationdate><title>Facile fabrication of a high performance TiNb 2 O 7 anode for large-scale electrical energy storage</title><author>Cheng, Li-Qian ; He, Yijuan ; Chen, Kai ; Ma, Zhenhua ; Liu, Ruiping ; Liu, Na ; Deng, Yichen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c76H-1c0a4f82339d56cb300d542d5b8318da3c2480d461a69e97f38f67fac362ba943</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cheng, Li-Qian</creatorcontrib><creatorcontrib>He, Yijuan</creatorcontrib><creatorcontrib>Chen, Kai</creatorcontrib><creatorcontrib>Ma, Zhenhua</creatorcontrib><creatorcontrib>Liu, Ruiping</creatorcontrib><creatorcontrib>Liu, Na</creatorcontrib><creatorcontrib>Deng, Yichen</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cheng, Li-Qian</au><au>He, Yijuan</au><au>Chen, Kai</au><au>Ma, Zhenhua</au><au>Liu, Ruiping</au><au>Liu, Na</au><au>Deng, Yichen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Facile fabrication of a high performance TiNb 2 O 7 anode for large-scale electrical energy storage</atitle><jtitle>Journal of materials chemistry. A, Materials for energy and sustainability</jtitle><date>2022-08-30</date><risdate>2022</risdate><volume>10</volume><issue>34</issue><spage>17586</spage><epage>17592</epage><pages>17586-17592</pages><issn>2050-7488</issn><eissn>2050-7496</eissn><abstract>The titanium niobium oxide (TiNb
2
O
7
) material is synthesized by a facile two-step solid-state calcination (denoted as 2ndTNO). The 2ndTNO delivers a high reversible discharge capacity of 288 mA h g
−1
at 0.1C, good rate performances at 1C–5C, and an excellent capacity retention of 85.4% after 500 cycles at 1C/1C (with a discharge capacity of 195.5 mA h g
−1
after 500 cycles). Large-size 40 Ah LFP/TNO pouch type batteries are also assembled and exhibit excellent cycling stabilities. The enhancement in electrochemical properties of 2ndTNO is mainly attributed to the generation of oxygen vacancies during the second calcination, which increases the electronic conductivity
via
charge redistribution and atom reduction to lower valence states (Nb
4+
and Ti
3+
). The two-step calcination is a promising method for mass production of high-performance oxide electrode materials.</abstract><doi>10.1039/D2TA03995H</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0001-7122-2370</orcidid><orcidid>https://orcid.org/0000-0003-2277-785X</orcidid><orcidid>https://orcid.org/0000-0002-0032-2347</orcidid></addata></record> |
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| ispartof | Journal of materials chemistry. A, Materials for energy and sustainability, 2022-08, Vol.10 (34), p.17586-17592 |
| issn | 2050-7488 2050-7496 |
| language | eng |
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| source | Royal Society Of Chemistry Journals 2008- |
| title | Facile fabrication of a high performance TiNb 2 O 7 anode for large-scale electrical energy storage |
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