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Article: Facile synthesis of carbon/MoO3 nanocomposites as stable battery anodes

TitleFacile synthesis of carbon/MoO<inf>3</inf> nanocomposites as stable battery anodes
Authors
KeywordsAnode
Lithium ion battery
Molybdenum trioxide
Carbon coating
Issue Date2017
Citation
Journal of Power Sources, 2017, v. 348, p. 270-280 How to Cite?
AbstractPristine MoO is a potential anode material for lithium-ion batteries (LIBs), due to its high specific capacity (1117 mA h g ); it suffers, however, from poor cyclability, resulting from a low conductivity and large volume changes during lithiation/delithiation process. Here we adopt a facile two-step method in which pristine bulk MoO is first converted into MoO nanorods (MoO NR) through mechanical grinding, to buffer the continuous volume changes, and then coated with amorphous carbon through simple stirring and heating, to provide high electronic and ionic conductivities. Electrochemical tests reveal that the carbon-coated MoO nanorods (C-MoO NRs) exhibit outstanding specific capacity (856 mA h g after 110 cycles at a current density of 0.1 C); remarkable cycle life, among the best reported for carbon-based MoO nanostructures (485 mA h g after 300 cycles at 0.5 C and 373 mA h g after 400 cycles at 0.75 C); and greatly improved capacity retention (up to 90.4% after various C-rates) compared to bulk MoO . We confirm the versatility of the C-MoO NR anodes by preparing flexible batteries that display stable performance, even in bent state. This simple approach toward C-MoO NR anodes proceeds without rigorous chemical synthesis or extremely high temperatures, making it a scalable solution to prepare high-capacity anodes for next-generation LIBs. 3 3 3 3 3 3 3 3 3 3 −1 −1 −1 −1
Persistent Identifierhttp://hdl.handle.net/10722/298200
ISSN
2023 Impact Factor: 8.1
2023 SCImago Journal Rankings: 1.857
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorDing, Jiang-
dc.contributor.authorAbbas, Syed Ali-
dc.contributor.authorHanmandlu, Chintam-
dc.contributor.authorLin, Lin-
dc.contributor.authorLai, Chao Sung-
dc.contributor.authorWang, Pen Cheng-
dc.contributor.authorLi, Lain Jong-
dc.contributor.authorChu, Chih Wei-
dc.contributor.authorChang, Chien Cheng-
dc.date.accessioned2021-04-08T03:07:53Z-
dc.date.available2021-04-08T03:07:53Z-
dc.date.issued2017-
dc.identifier.citationJournal of Power Sources, 2017, v. 348, p. 270-280-
dc.identifier.issn0378-7753-
dc.identifier.urihttp://hdl.handle.net/10722/298200-
dc.description.abstractPristine MoO is a potential anode material for lithium-ion batteries (LIBs), due to its high specific capacity (1117 mA h g ); it suffers, however, from poor cyclability, resulting from a low conductivity and large volume changes during lithiation/delithiation process. Here we adopt a facile two-step method in which pristine bulk MoO is first converted into MoO nanorods (MoO NR) through mechanical grinding, to buffer the continuous volume changes, and then coated with amorphous carbon through simple stirring and heating, to provide high electronic and ionic conductivities. Electrochemical tests reveal that the carbon-coated MoO nanorods (C-MoO NRs) exhibit outstanding specific capacity (856 mA h g after 110 cycles at a current density of 0.1 C); remarkable cycle life, among the best reported for carbon-based MoO nanostructures (485 mA h g after 300 cycles at 0.5 C and 373 mA h g after 400 cycles at 0.75 C); and greatly improved capacity retention (up to 90.4% after various C-rates) compared to bulk MoO . We confirm the versatility of the C-MoO NR anodes by preparing flexible batteries that display stable performance, even in bent state. This simple approach toward C-MoO NR anodes proceeds without rigorous chemical synthesis or extremely high temperatures, making it a scalable solution to prepare high-capacity anodes for next-generation LIBs. 3 3 3 3 3 3 3 3 3 3 −1 −1 −1 −1-
dc.languageeng-
dc.relation.ispartofJournal of Power Sources-
dc.subjectAnode-
dc.subjectLithium ion battery-
dc.subjectMolybdenum trioxide-
dc.subjectCarbon coating-
dc.titleFacile synthesis of carbon/MoO<inf>3</inf> nanocomposites as stable battery anodes-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.jpowsour.2017.03.007-
dc.identifier.scopuseid_2-s2.0-85014594041-
dc.identifier.volume348-
dc.identifier.spage270-
dc.identifier.epage280-
dc.identifier.isiWOS:000399867300032-
dc.identifier.issnl0378-7753-

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