Pyroxene LiVSi sub(2O) sub(6) as an electrode material for Li-ion batteries
Lithium vanadium metasilicate (LiVSi sub(2O) sub(6)) with pyroxene structure has been exploited as an electrode material for Li-ion batteries. Galvanostatic charge and discharge tests show that LiVSi sub(2O) sub(6) is able to deliver a capacity of 85 mAh g[super]-1 at 30 [deg]C, and a high capacity...
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| Veröffentlicht in: | Journal of power sources 2010-12, Vol.195 (24), p.8322-8326 |
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| creator | Ni, Jiangfeng Kawabe, Yoshiteru Morishita, Masanori Watada, Masaharu Takeichi, Nobuhiko Sakai, Tetsuo |
| description | Lithium vanadium metasilicate (LiVSi sub(2O) sub(6)) with pyroxene structure has been exploited as an electrode material for Li-ion batteries. Galvanostatic charge and discharge tests show that LiVSi sub(2O) sub(6) is able to deliver a capacity of 85 mAh g[super]-1 at 30 [deg]C, and a high capacity of 181 mAh g[super]-1 at 60 [deg]C. The high capacity is believed to be due to the reactions of V[super]3+/V[super]4+ and V[super]2+/V[super]3+redox couples, accompanied by the excess 0.42 Li[super]+ insertion into the lattice forming a Li-rich phase Li sub(1.42VSi) sub(2)O sub(6. High-energy synchrotron XRD combined with the Rietveld refinement analysis confirms that the electrochemical delithiation-lithiation reaction proceeds by a single phase redox mechanism with an overall volume variation of 1.9% between LiVSi) sub(2)O sub(6 and its delithiated state, indicating a very stable framework of LiVSi) sub(2)O sub(6 for Li[super]+ ions extraction-insertion.) |
| doi_str_mv | 10.1016/j.jpowsour.2010.06.085 |
| format | Article |
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Galvanostatic charge and discharge tests show that LiVSi sub(2O) sub(6) is able to deliver a capacity of 85 mAh g[super]-1 at 30 [deg]C, and a high capacity of 181 mAh g[super]-1 at 60 [deg]C. The high capacity is believed to be due to the reactions of V[super]3+/V[super]4+ and V[super]2+/V[super]3+redox couples, accompanied by the excess 0.42 Li[super]+ insertion into the lattice forming a Li-rich phase Li sub(1.42VSi) sub(2)O sub(6. High-energy synchrotron XRD combined with the Rietveld refinement analysis confirms that the electrochemical delithiation-lithiation reaction proceeds by a single phase redox mechanism with an overall volume variation of 1.9% between LiVSi) sub(2)O sub(6 and its delithiated state, indicating a very stable framework of LiVSi) sub(2)O sub(6 for Li[super]+ ions extraction-insertion.)</description><identifier>ISSN: 0378-7753</identifier><identifier>DOI: 10.1016/j.jpowsour.2010.06.085</identifier><language>eng</language><subject>Batteries ; Couples ; Discharge ; Electrode materials ; Insertion ; Lithium-ion batteries ; Pyroxenes ; Synchrotrons</subject><ispartof>Journal of power sources, 2010-12, Vol.195 (24), p.8322-8326</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Ni, Jiangfeng</creatorcontrib><creatorcontrib>Kawabe, Yoshiteru</creatorcontrib><creatorcontrib>Morishita, Masanori</creatorcontrib><creatorcontrib>Watada, Masaharu</creatorcontrib><creatorcontrib>Takeichi, Nobuhiko</creatorcontrib><creatorcontrib>Sakai, Tetsuo</creatorcontrib><title>Pyroxene LiVSi sub(2O) sub(6) as an electrode material for Li-ion batteries</title><title>Journal of power sources</title><description>Lithium vanadium metasilicate (LiVSi sub(2O) sub(6)) with pyroxene structure has been exploited as an electrode material for Li-ion batteries. Galvanostatic charge and discharge tests show that LiVSi sub(2O) sub(6) is able to deliver a capacity of 85 mAh g[super]-1 at 30 [deg]C, and a high capacity of 181 mAh g[super]-1 at 60 [deg]C. The high capacity is believed to be due to the reactions of V[super]3+/V[super]4+ and V[super]2+/V[super]3+redox couples, accompanied by the excess 0.42 Li[super]+ insertion into the lattice forming a Li-rich phase Li sub(1.42VSi) sub(2)O sub(6. High-energy synchrotron XRD combined with the Rietveld refinement analysis confirms that the electrochemical delithiation-lithiation reaction proceeds by a single phase redox mechanism with an overall volume variation of 1.9% between LiVSi) sub(2)O sub(6 and its delithiated state, indicating a very stable framework of LiVSi) sub(2)O sub(6 for Li[super]+ ions extraction-insertion.)</description><subject>Batteries</subject><subject>Couples</subject><subject>Discharge</subject><subject>Electrode materials</subject><subject>Insertion</subject><subject>Lithium-ion batteries</subject><subject>Pyroxenes</subject><subject>Synchrotrons</subject><issn>0378-7753</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9jk1LxDAURbNQcBz9C5KdM4vW95omaZcy6CgWRnBwOySZV2jpNGPSov5768fa1YXDuZfL2BVCioDqpk3bo3-PfgxpBhMElUIhT9gMhC4SraU4Y-cxtgCAqGHGnp4_g_-gnnjVvL40PI52kW2WP6mW3ERuek4duSH4PfGDGSg0puO1D1MjaXzPrRm-IcULdlqbLtLlX87Z9v5uu3pIqs36cXVbJUclMckdZLmdzgoEOQFRCyO0rlUtpEYhi8JKAnKUSw0OlTO2tM5at7dY50qKObv-nT0G_zZSHHaHJjrqOtOTH-OuKBWWskSczMW_JmqtMdMZluIL4rddgA</recordid><startdate>20101215</startdate><enddate>20101215</enddate><creator>Ni, Jiangfeng</creator><creator>Kawabe, Yoshiteru</creator><creator>Morishita, Masanori</creator><creator>Watada, Masaharu</creator><creator>Takeichi, Nobuhiko</creator><creator>Sakai, Tetsuo</creator><scope>7SP</scope><scope>7SU</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope><scope>7ST</scope><scope>SOI</scope></search><sort><creationdate>20101215</creationdate><title>Pyroxene LiVSi sub(2O) sub(6) as an electrode material for Li-ion batteries</title><author>Ni, Jiangfeng ; Kawabe, Yoshiteru ; Morishita, Masanori ; Watada, Masaharu ; Takeichi, Nobuhiko ; Sakai, Tetsuo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p651-4c024b01631056513f3a377f6f35713588b5e0ece4570c16cab9bcbbcdb1f4653</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Batteries</topic><topic>Couples</topic><topic>Discharge</topic><topic>Electrode materials</topic><topic>Insertion</topic><topic>Lithium-ion batteries</topic><topic>Pyroxenes</topic><topic>Synchrotrons</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ni, Jiangfeng</creatorcontrib><creatorcontrib>Kawabe, Yoshiteru</creatorcontrib><creatorcontrib>Morishita, Masanori</creatorcontrib><creatorcontrib>Watada, Masaharu</creatorcontrib><creatorcontrib>Takeichi, Nobuhiko</creatorcontrib><creatorcontrib>Sakai, Tetsuo</creatorcontrib><collection>Electronics & Communications Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Journal of power sources</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ni, Jiangfeng</au><au>Kawabe, Yoshiteru</au><au>Morishita, Masanori</au><au>Watada, Masaharu</au><au>Takeichi, Nobuhiko</au><au>Sakai, Tetsuo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pyroxene LiVSi sub(2O) sub(6) as an electrode material for Li-ion batteries</atitle><jtitle>Journal of power sources</jtitle><date>2010-12-15</date><risdate>2010</risdate><volume>195</volume><issue>24</issue><spage>8322</spage><epage>8326</epage><pages>8322-8326</pages><issn>0378-7753</issn><abstract>Lithium vanadium metasilicate (LiVSi sub(2O) sub(6)) with pyroxene structure has been exploited as an electrode material for Li-ion batteries. Galvanostatic charge and discharge tests show that LiVSi sub(2O) sub(6) is able to deliver a capacity of 85 mAh g[super]-1 at 30 [deg]C, and a high capacity of 181 mAh g[super]-1 at 60 [deg]C. The high capacity is believed to be due to the reactions of V[super]3+/V[super]4+ and V[super]2+/V[super]3+redox couples, accompanied by the excess 0.42 Li[super]+ insertion into the lattice forming a Li-rich phase Li sub(1.42VSi) sub(2)O sub(6. High-energy synchrotron XRD combined with the Rietveld refinement analysis confirms that the electrochemical delithiation-lithiation reaction proceeds by a single phase redox mechanism with an overall volume variation of 1.9% between LiVSi) sub(2)O sub(6 and its delithiated state, indicating a very stable framework of LiVSi) sub(2)O sub(6 for Li[super]+ ions extraction-insertion.)</abstract><doi>10.1016/j.jpowsour.2010.06.085</doi><tpages>5</tpages></addata></record> |
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| ispartof | Journal of power sources, 2010-12, Vol.195 (24), p.8322-8326 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Batteries Couples Discharge Electrode materials Insertion Lithium-ion batteries Pyroxenes Synchrotrons |
| title | Pyroxene LiVSi sub(2O) sub(6) as an electrode material for Li-ion batteries |
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