Self‐Assembly of Antisite Defectless nano‐LiFePO4@C/Reduced Graphene Oxide Microspheres for High‐Performance Lithium‐Ion Batteries
LiFePO4@C/reduced graphene oxide (rGO) hierarchical microspheres with superior electrochemical activity and a high tap density were first synthesized by using a Fe3+‐based single inorganic precursor (LiFePO4OH@RF/GO; RF=resorcinol–formaldehyde, GO=graphene oxide) obtained from a template‐free self‐a...
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| Veröffentlicht in: | ChemSusChem 2018-07, Vol.11 (13), p.2255-2261 |
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| creator | Wang, Hongbin Liu, Lijia Wang, Runwei Yan, Xiao Wang, Ziqi Hu, Jiangtao Chen, Haibiao Jiang, Shang Ni, Ling Qiu, Hailong Tang, Haitong Wei, Yingjin Zhang, Zongtao Qiu, Shilun Pan, Feng |
| description | LiFePO4@C/reduced graphene oxide (rGO) hierarchical microspheres with superior electrochemical activity and a high tap density were first synthesized by using a Fe3+‐based single inorganic precursor (LiFePO4OH@RF/GO; RF=resorcinol–formaldehyde, GO=graphene oxide) obtained from a template‐free self‐assembly synthesis followed by direct calcination. The synthetic process requires no physical mixing step. The phase transformation pathway from tavorite LiFePO4OH to olivine LiFePO4 upon calcination was determined by means of the in situ high‐temperature XRD technique. Benefitting from the unique structure of the material, these microspheres can be densely packed together, giving a high tap density of 1.3 g cm−3, and simultaneously, defectless LiFePO4 primary nanocrystals modified with a highly conductive surface carbon layer and ultrathin rGO provide good electronic and ionic kinetics for fast electron/Li+ ion transport.
Get it together! A unique method to synthesize hierarchical LiFePO4@C/reduced graphene oxide (rGO) composite microspheres, with enhanced electrochemical activity and high tap density, is reported. The synthesis of LiFePO4OH@RF/GO (RF=resorcinol–formaldehyde, GO=graphene oxide) as precursor is achieved by a template‐free self‐assembly process followed by direct calcination. |
| doi_str_mv | 10.1002/cssc.201800786 |
| format | Article |
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Get it together! A unique method to synthesize hierarchical LiFePO4@C/reduced graphene oxide (rGO) composite microspheres, with enhanced electrochemical activity and high tap density, is reported. The synthesis of LiFePO4OH@RF/GO (RF=resorcinol–formaldehyde, GO=graphene oxide) as precursor is achieved by a template‐free self‐assembly process followed by direct calcination.</description><identifier>ISSN: 1864-5631</identifier><identifier>EISSN: 1864-564X</identifier><identifier>DOI: 10.1002/cssc.201800786</identifier><language>eng</language><publisher>Weinheim: Wiley Subscription Services, Inc</publisher><subject>Assembly ; batteries ; Graphene ; hierarchical microspheres ; Ion transport ; iron phosphate ; lithium ; Lithium ions ; Lithium-ion batteries ; Microspheres ; Olivine ; Phase transitions ; reduced graphene oxide ; Roasting ; Tap density</subject><ispartof>ChemSusChem, 2018-07, Vol.11 (13), p.2255-2261</ispartof><rights>2018 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-1362-4336</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fcssc.201800786$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fcssc.201800786$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids></links><search><creatorcontrib>Wang, Hongbin</creatorcontrib><creatorcontrib>Liu, Lijia</creatorcontrib><creatorcontrib>Wang, Runwei</creatorcontrib><creatorcontrib>Yan, Xiao</creatorcontrib><creatorcontrib>Wang, Ziqi</creatorcontrib><creatorcontrib>Hu, Jiangtao</creatorcontrib><creatorcontrib>Chen, Haibiao</creatorcontrib><creatorcontrib>Jiang, Shang</creatorcontrib><creatorcontrib>Ni, Ling</creatorcontrib><creatorcontrib>Qiu, Hailong</creatorcontrib><creatorcontrib>Tang, Haitong</creatorcontrib><creatorcontrib>Wei, Yingjin</creatorcontrib><creatorcontrib>Zhang, Zongtao</creatorcontrib><creatorcontrib>Qiu, Shilun</creatorcontrib><creatorcontrib>Pan, Feng</creatorcontrib><title>Self‐Assembly of Antisite Defectless nano‐LiFePO4@C/Reduced Graphene Oxide Microspheres for High‐Performance Lithium‐Ion Batteries</title><title>ChemSusChem</title><description>LiFePO4@C/reduced graphene oxide (rGO) hierarchical microspheres with superior electrochemical activity and a high tap density were first synthesized by using a Fe3+‐based single inorganic precursor (LiFePO4OH@RF/GO; RF=resorcinol–formaldehyde, GO=graphene oxide) obtained from a template‐free self‐assembly synthesis followed by direct calcination. The synthetic process requires no physical mixing step. The phase transformation pathway from tavorite LiFePO4OH to olivine LiFePO4 upon calcination was determined by means of the in situ high‐temperature XRD technique. Benefitting from the unique structure of the material, these microspheres can be densely packed together, giving a high tap density of 1.3 g cm−3, and simultaneously, defectless LiFePO4 primary nanocrystals modified with a highly conductive surface carbon layer and ultrathin rGO provide good electronic and ionic kinetics for fast electron/Li+ ion transport.
Get it together! A unique method to synthesize hierarchical LiFePO4@C/reduced graphene oxide (rGO) composite microspheres, with enhanced electrochemical activity and high tap density, is reported. The synthesis of LiFePO4OH@RF/GO (RF=resorcinol–formaldehyde, GO=graphene oxide) as precursor is achieved by a template‐free self‐assembly process followed by direct calcination.</description><subject>Assembly</subject><subject>batteries</subject><subject>Graphene</subject><subject>hierarchical microspheres</subject><subject>Ion transport</subject><subject>iron phosphate</subject><subject>lithium</subject><subject>Lithium ions</subject><subject>Lithium-ion batteries</subject><subject>Microspheres</subject><subject>Olivine</subject><subject>Phase transitions</subject><subject>reduced graphene oxide</subject><subject>Roasting</subject><subject>Tap density</subject><issn>1864-5631</issn><issn>1864-564X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNo9kDtPwzAUhSMEEqWwMltiDnXsxE02SqAPKagVBYktsp3r1lUexU4E3ZiZ-I38ElwVdbr3HJ370Od51wG-DTAmA2mtvCU4iDEexuzE6wUxC_2IhW-nx54G596FtRuMGU4Y63nfSyjV79fPyFqoRLlDjUKjutVWt4AeQIFsS7AW1bxuXCzTY1jMw7t08AxFJ6FAE8O3a6gBzT91AehJS9NY5xiwSDUGTfVq7QYXYJyqeC0BZbpd665y7qyp0T1vWzAa7KV3pnhp4eq_9r3X8eNLOvWz-WSWjjJ_RdzbflRERRwKTBilgktFVEGUEokEmfChUDIUlBQRFjymDDMiqBQ8IDyOC5YkSUT73s1h79Y07x3YNt80nandyZxg5tAlLBi6VHJIfegSdvnW6IqbXR7gfA8738POj7DzdLlMj4r-AQTne-8</recordid><startdate>20180711</startdate><enddate>20180711</enddate><creator>Wang, Hongbin</creator><creator>Liu, Lijia</creator><creator>Wang, Runwei</creator><creator>Yan, Xiao</creator><creator>Wang, Ziqi</creator><creator>Hu, Jiangtao</creator><creator>Chen, Haibiao</creator><creator>Jiang, Shang</creator><creator>Ni, Ling</creator><creator>Qiu, Hailong</creator><creator>Tang, Haitong</creator><creator>Wei, Yingjin</creator><creator>Zhang, Zongtao</creator><creator>Qiu, Shilun</creator><creator>Pan, Feng</creator><general>Wiley Subscription Services, Inc</general><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>K9.</scope><orcidid>https://orcid.org/0000-0002-1362-4336</orcidid></search><sort><creationdate>20180711</creationdate><title>Self‐Assembly of Antisite Defectless nano‐LiFePO4@C/Reduced Graphene Oxide Microspheres for High‐Performance Lithium‐Ion Batteries</title><author>Wang, Hongbin ; Liu, Lijia ; Wang, Runwei ; Yan, Xiao ; Wang, Ziqi ; Hu, Jiangtao ; Chen, Haibiao ; Jiang, Shang ; Ni, Ling ; Qiu, Hailong ; Tang, Haitong ; Wei, Yingjin ; Zhang, Zongtao ; Qiu, Shilun ; Pan, Feng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g2006-5d5d84b02633bacf2fd2ffb9cec9a7bfc4b32d50ba836062b3cba12a88d699953</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Assembly</topic><topic>batteries</topic><topic>Graphene</topic><topic>hierarchical microspheres</topic><topic>Ion transport</topic><topic>iron phosphate</topic><topic>lithium</topic><topic>Lithium ions</topic><topic>Lithium-ion batteries</topic><topic>Microspheres</topic><topic>Olivine</topic><topic>Phase transitions</topic><topic>reduced graphene oxide</topic><topic>Roasting</topic><topic>Tap density</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Hongbin</creatorcontrib><creatorcontrib>Liu, Lijia</creatorcontrib><creatorcontrib>Wang, Runwei</creatorcontrib><creatorcontrib>Yan, Xiao</creatorcontrib><creatorcontrib>Wang, Ziqi</creatorcontrib><creatorcontrib>Hu, Jiangtao</creatorcontrib><creatorcontrib>Chen, Haibiao</creatorcontrib><creatorcontrib>Jiang, Shang</creatorcontrib><creatorcontrib>Ni, Ling</creatorcontrib><creatorcontrib>Qiu, Hailong</creatorcontrib><creatorcontrib>Tang, Haitong</creatorcontrib><creatorcontrib>Wei, Yingjin</creatorcontrib><creatorcontrib>Zhang, Zongtao</creatorcontrib><creatorcontrib>Qiu, Shilun</creatorcontrib><creatorcontrib>Pan, Feng</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><jtitle>ChemSusChem</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Hongbin</au><au>Liu, Lijia</au><au>Wang, Runwei</au><au>Yan, Xiao</au><au>Wang, Ziqi</au><au>Hu, Jiangtao</au><au>Chen, Haibiao</au><au>Jiang, Shang</au><au>Ni, Ling</au><au>Qiu, Hailong</au><au>Tang, Haitong</au><au>Wei, Yingjin</au><au>Zhang, Zongtao</au><au>Qiu, Shilun</au><au>Pan, Feng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Self‐Assembly of Antisite Defectless nano‐LiFePO4@C/Reduced Graphene Oxide Microspheres for High‐Performance Lithium‐Ion Batteries</atitle><jtitle>ChemSusChem</jtitle><date>2018-07-11</date><risdate>2018</risdate><volume>11</volume><issue>13</issue><spage>2255</spage><epage>2261</epage><pages>2255-2261</pages><issn>1864-5631</issn><eissn>1864-564X</eissn><abstract>LiFePO4@C/reduced graphene oxide (rGO) hierarchical microspheres with superior electrochemical activity and a high tap density were first synthesized by using a Fe3+‐based single inorganic precursor (LiFePO4OH@RF/GO; RF=resorcinol–formaldehyde, GO=graphene oxide) obtained from a template‐free self‐assembly synthesis followed by direct calcination. The synthetic process requires no physical mixing step. The phase transformation pathway from tavorite LiFePO4OH to olivine LiFePO4 upon calcination was determined by means of the in situ high‐temperature XRD technique. Benefitting from the unique structure of the material, these microspheres can be densely packed together, giving a high tap density of 1.3 g cm−3, and simultaneously, defectless LiFePO4 primary nanocrystals modified with a highly conductive surface carbon layer and ultrathin rGO provide good electronic and ionic kinetics for fast electron/Li+ ion transport.
Get it together! A unique method to synthesize hierarchical LiFePO4@C/reduced graphene oxide (rGO) composite microspheres, with enhanced electrochemical activity and high tap density, is reported. The synthesis of LiFePO4OH@RF/GO (RF=resorcinol–formaldehyde, GO=graphene oxide) as precursor is achieved by a template‐free self‐assembly process followed by direct calcination.</abstract><cop>Weinheim</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/cssc.201800786</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-1362-4336</orcidid></addata></record> |
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| subjects | Assembly batteries Graphene hierarchical microspheres Ion transport iron phosphate lithium Lithium ions Lithium-ion batteries Microspheres Olivine Phase transitions reduced graphene oxide Roasting Tap density |
| title | Self‐Assembly of Antisite Defectless nano‐LiFePO4@C/Reduced Graphene Oxide Microspheres for High‐Performance Lithium‐Ion Batteries |
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