LiFe^sub 1-X^Mg^sub X^PO^sub 4^/C as cathode materials for lithium-ion batteries
A cathode nanomaterial LiFe0.8Mg0.2PO4 with olivine structure was synthesized by the sol-gel method and studied using X-ray diffraction analysis, scanning electron microscopy, Mössbauer spectroscopy and electrochemical testing under the operating conditions of a lithium-ion battery. It is demonstrat...
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| Veröffentlicht in: | Solid state ionics 2018-04, Vol.317, p.149 |
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| creator | Yaroslavtsev, Sergey Novikova, Svetlana Rusakov, Vyacheslav Vostrov, Nikita Kulova, Tatyana Skundin, Alexander Yaroslavtsev, Andrey |
| description | A cathode nanomaterial LiFe0.8Mg0.2PO4 with olivine structure was synthesized by the sol-gel method and studied using X-ray diffraction analysis, scanning electron microscopy, Mössbauer spectroscopy and electrochemical testing under the operating conditions of a lithium-ion battery. It is demonstrated that the iron substitution with magnesium occurs in the studied material. Discharge capacity of LiFe0.8Mg0.2PO4/С is 127 mAh g−1 at a current of 20 mA g−1 and is close to the theoretical value for the considered composition. It is determined utilizing Mössbauer spectroscopy that at the early stage of the LiFe0.8Mg0.2PO4 charging process nanoscale regions are formed, having a FePO4 structure and an enhanced solubility of divalent iron ions. |
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It is demonstrated that the iron substitution with magnesium occurs in the studied material. Discharge capacity of LiFe0.8Mg0.2PO4/С is 127 mAh g−1 at a current of 20 mA g−1 and is close to the theoretical value for the considered composition. It is determined utilizing Mössbauer spectroscopy that at the early stage of the LiFe0.8Mg0.2PO4 charging process nanoscale regions are formed, having a FePO4 structure and an enhanced solubility of divalent iron ions.</description><identifier>ISSN: 0167-2738</identifier><identifier>EISSN: 1872-7689</identifier><language>eng</language><publisher>Amsterdam: Elsevier BV</publisher><subject>Batteries ; Cathodes ; Conductivity ; Diffraction ; Electrode materials ; Iron ; Lithium-ion batteries ; Mossbauer spectroscopy ; Nanomaterials ; Olivine ; Rechargeable batteries ; Scanning electron microscopy ; Sol-gel processes ; X-ray diffraction</subject><ispartof>Solid state ionics, 2018-04, Vol.317, p.149</ispartof><rights>Copyright Elsevier BV Apr 2018</rights><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>314,780,784</link.rule.ids></links><search><creatorcontrib>Yaroslavtsev, Sergey</creatorcontrib><creatorcontrib>Novikova, Svetlana</creatorcontrib><creatorcontrib>Rusakov, Vyacheslav</creatorcontrib><creatorcontrib>Vostrov, Nikita</creatorcontrib><creatorcontrib>Kulova, Tatyana</creatorcontrib><creatorcontrib>Skundin, Alexander</creatorcontrib><creatorcontrib>Yaroslavtsev, Andrey</creatorcontrib><title>LiFe^sub 1-X^Mg^sub X^PO^sub 4^/C as cathode materials for lithium-ion batteries</title><title>Solid state ionics</title><description>A cathode nanomaterial LiFe0.8Mg0.2PO4 with olivine structure was synthesized by the sol-gel method and studied using X-ray diffraction analysis, scanning electron microscopy, Mössbauer spectroscopy and electrochemical testing under the operating conditions of a lithium-ion battery. It is demonstrated that the iron substitution with magnesium occurs in the studied material. Discharge capacity of LiFe0.8Mg0.2PO4/С is 127 mAh g−1 at a current of 20 mA g−1 and is close to the theoretical value for the considered composition. It is determined utilizing Mössbauer spectroscopy that at the early stage of the LiFe0.8Mg0.2PO4 charging process nanoscale regions are formed, having a FePO4 structure and an enhanced solubility of divalent iron ions.</description><subject>Batteries</subject><subject>Cathodes</subject><subject>Conductivity</subject><subject>Diffraction</subject><subject>Electrode materials</subject><subject>Iron</subject><subject>Lithium-ion batteries</subject><subject>Mossbauer spectroscopy</subject><subject>Nanomaterials</subject><subject>Olivine</subject><subject>Rechargeable batteries</subject><subject>Scanning electron microscopy</subject><subject>Sol-gel processes</subject><subject>X-ray diffraction</subject><issn>0167-2738</issn><issn>1872-7689</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqNjrsOgjAARRujifj4hybOjbQ1bZmJxEEjgwNTSdEiJUCVlv8XiR_gdE9yznBnIMCCE8SZiOYgCDHjiHAqlmDlXB2GIaOCBSA9m0RLNxQQo0xenhNmMr1OcJD7GCoH78pX9qFhq7zujWocLG0PG-MrM7TI2A4Wyn-VdhuwKMdAb3-7BrvkeItP6NXb96Cdz2s79N2ocjJ9wCSi9L_qA6H8Pv4</recordid><startdate>20180401</startdate><enddate>20180401</enddate><creator>Yaroslavtsev, Sergey</creator><creator>Novikova, Svetlana</creator><creator>Rusakov, Vyacheslav</creator><creator>Vostrov, Nikita</creator><creator>Kulova, Tatyana</creator><creator>Skundin, Alexander</creator><creator>Yaroslavtsev, Andrey</creator><general>Elsevier BV</general><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20180401</creationdate><title>LiFe^sub 1-X^Mg^sub X^PO^sub 4^/C as cathode materials for lithium-ion batteries</title><author>Yaroslavtsev, Sergey ; Novikova, Svetlana ; Rusakov, Vyacheslav ; Vostrov, Nikita ; Kulova, Tatyana ; Skundin, Alexander ; Yaroslavtsev, Andrey</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_20638612933</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Batteries</topic><topic>Cathodes</topic><topic>Conductivity</topic><topic>Diffraction</topic><topic>Electrode materials</topic><topic>Iron</topic><topic>Lithium-ion batteries</topic><topic>Mossbauer spectroscopy</topic><topic>Nanomaterials</topic><topic>Olivine</topic><topic>Rechargeable batteries</topic><topic>Scanning electron microscopy</topic><topic>Sol-gel processes</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yaroslavtsev, Sergey</creatorcontrib><creatorcontrib>Novikova, Svetlana</creatorcontrib><creatorcontrib>Rusakov, Vyacheslav</creatorcontrib><creatorcontrib>Vostrov, Nikita</creatorcontrib><creatorcontrib>Kulova, Tatyana</creatorcontrib><creatorcontrib>Skundin, Alexander</creatorcontrib><creatorcontrib>Yaroslavtsev, Andrey</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Solid state ionics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yaroslavtsev, Sergey</au><au>Novikova, Svetlana</au><au>Rusakov, Vyacheslav</au><au>Vostrov, Nikita</au><au>Kulova, Tatyana</au><au>Skundin, Alexander</au><au>Yaroslavtsev, Andrey</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>LiFe^sub 1-X^Mg^sub X^PO^sub 4^/C as cathode materials for lithium-ion batteries</atitle><jtitle>Solid state ionics</jtitle><date>2018-04-01</date><risdate>2018</risdate><volume>317</volume><spage>149</spage><pages>149-</pages><issn>0167-2738</issn><eissn>1872-7689</eissn><abstract>A cathode nanomaterial LiFe0.8Mg0.2PO4 with olivine structure was synthesized by the sol-gel method and studied using X-ray diffraction analysis, scanning electron microscopy, Mössbauer spectroscopy and electrochemical testing under the operating conditions of a lithium-ion battery. It is demonstrated that the iron substitution with magnesium occurs in the studied material. Discharge capacity of LiFe0.8Mg0.2PO4/С is 127 mAh g−1 at a current of 20 mA g−1 and is close to the theoretical value for the considered composition. It is determined utilizing Mössbauer spectroscopy that at the early stage of the LiFe0.8Mg0.2PO4 charging process nanoscale regions are formed, having a FePO4 structure and an enhanced solubility of divalent iron ions.</abstract><cop>Amsterdam</cop><pub>Elsevier BV</pub></addata></record> |
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| subjects | Batteries Cathodes Conductivity Diffraction Electrode materials Iron Lithium-ion batteries Mossbauer spectroscopy Nanomaterials Olivine Rechargeable batteries Scanning electron microscopy Sol-gel processes X-ray diffraction |
| title | LiFe^sub 1-X^Mg^sub X^PO^sub 4^/C as cathode materials for lithium-ion batteries |
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