Synthesis and characterization of LiMn2O4/Ag composite by citrate gel and combustion method
LiMn2O4/Ag composite powders were prepared by citrate gel and combustion technique using lithium acetate, manganese acetate and silver nitrate as starting materials. Phase identification, surface morphology and electrochemical properties were studied by XRD, SEM, galvanostatic charge-discharge exper...
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| Veröffentlicht in: | Ceramics international 2008-08, Vol.34 (6), p.1387-1391 |
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| container_title | Ceramics international |
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| creator | Wu, Xian Ming Chen, Shang He, Ze Qiang Xiao, Zhuo Bing Ma, Ming You Liu, Jian Ben |
| description | LiMn2O4/Ag composite powders were prepared by citrate gel and combustion technique using lithium acetate, manganese acetate and silver nitrate as starting materials. Phase identification, surface morphology and electrochemical properties were studied by XRD, SEM, galvanostatic charge-discharge experiments, and electrochemical impedance spectroscopy. The results showed that the powder is a composite of LiMn2O4 and Ag metal, with silver dispersed homogeneously in the LiMn2O4 particles. Compared with LiMn2O4, LiMn2O4/Ag composites have higher specific capacity, higher coulomb efficiency and lower polarisation. Ag improved the cyclability of LiMn2O4 powders, especially at higher charge-discharge rate. 13 refs. |
| doi_str_mv | 10.1016/j.ceramint.2007.03.024 |
| format | Article |
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Phase identification, surface morphology and electrochemical properties were studied by XRD, SEM, galvanostatic charge-discharge experiments, and electrochemical impedance spectroscopy. The results showed that the powder is a composite of LiMn2O4 and Ag metal, with silver dispersed homogeneously in the LiMn2O4 particles. Compared with LiMn2O4, LiMn2O4/Ag composites have higher specific capacity, higher coulomb efficiency and lower polarisation. Ag improved the cyclability of LiMn2O4 powders, especially at higher charge-discharge rate. 13 refs.</description><identifier>ISSN: 0272-8842</identifier><identifier>EISSN: 1873-3956</identifier><identifier>DOI: 10.1016/j.ceramint.2007.03.024</identifier><language>eng</language><publisher>Kidlington: Elsevier Science</publisher><subject>Applied sciences ; Building materials. Ceramics. 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Phase identification, surface morphology and electrochemical properties were studied by XRD, SEM, galvanostatic charge-discharge experiments, and electrochemical impedance spectroscopy. The results showed that the powder is a composite of LiMn2O4 and Ag metal, with silver dispersed homogeneously in the LiMn2O4 particles. Compared with LiMn2O4, LiMn2O4/Ag composites have higher specific capacity, higher coulomb efficiency and lower polarisation. Ag improved the cyclability of LiMn2O4 powders, especially at higher charge-discharge rate. 13 refs.</description><subject>Applied sciences</subject><subject>Building materials. Ceramics. Glasses</subject><subject>Ceramic industries</subject><subject>Cermets, ceramic and refractory composites</subject><subject>Chemical industry and chemicals</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Direct energy conversion and energy accumulation</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical power engineering</subject><subject>Electrochemical conversion: primary and secondary batteries, fuel cells</subject><subject>Electrotechnical and electronic ceramics</subject><subject>Exact sciences and technology</subject><subject>Materials science</subject><subject>Other materials</subject><subject>Physics</subject><subject>Specific materials</subject><subject>Technical ceramics</subject><issn>0272-8842</issn><issn>1873-3956</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNo9kDtPwzAUhS0EEqXwF1AW2BKuX7EzVhUvqagDMDFYjuO0rpK42O5Qfj2BFqZzh_PdI30IXWMoMODyblMYG3TvhlQQAFEALYCwEzTBUtCcVrw8RRMgguRSMnKOLmLcwAhWDCbo43U_pLWNLmZ6aDKz1kGbZIP70sn5IfNttnAvA1myu9kqM77f-uiSzep9ZlwKejxXtjuwvq938ZfqbVr75hKdtbqL9uqYU_T-cP82f8oXy8fn-WyRG4rLlDfAjWhAA6UaQNtSiJZIWoNhtJVNJUtj6oYQCba1VQm1wJxxzkvTEMlA0Cm6PfzdBv-5szGp3kVju04P1u-iogxYBUDGYnkomuBjDLZV2-B6HfYKg_pxqTbqz6X6camAqtHlCN4cF3Q0umuDHoyL_zQBxinFnH4Dk_13sw</recordid><startdate>20080801</startdate><enddate>20080801</enddate><creator>Wu, Xian Ming</creator><creator>Chen, Shang</creator><creator>He, Ze Qiang</creator><creator>Xiao, Zhuo Bing</creator><creator>Ma, Ming You</creator><creator>Liu, Jian Ben</creator><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20080801</creationdate><title>Synthesis and characterization of LiMn2O4/Ag composite by citrate gel and combustion method</title><author>Wu, Xian Ming ; Chen, Shang ; He, Ze Qiang ; Xiao, Zhuo Bing ; Ma, Ming You ; Liu, Jian Ben</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-d05c7d0a033a00ae677f283b0c43f8d986ccbd2280efe960b71545556cd284073</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Applied sciences</topic><topic>Building materials. Ceramics. Glasses</topic><topic>Ceramic industries</topic><topic>Cermets, ceramic and refractory composites</topic><topic>Chemical industry and chemicals</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Direct energy conversion and energy accumulation</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electrical power engineering</topic><topic>Electrochemical conversion: primary and secondary batteries, fuel cells</topic><topic>Electrotechnical and electronic ceramics</topic><topic>Exact sciences and technology</topic><topic>Materials science</topic><topic>Other materials</topic><topic>Physics</topic><topic>Specific materials</topic><topic>Technical ceramics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wu, Xian Ming</creatorcontrib><creatorcontrib>Chen, Shang</creatorcontrib><creatorcontrib>He, Ze Qiang</creatorcontrib><creatorcontrib>Xiao, Zhuo Bing</creatorcontrib><creatorcontrib>Ma, Ming You</creatorcontrib><creatorcontrib>Liu, Jian Ben</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Ceramics international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wu, Xian Ming</au><au>Chen, Shang</au><au>He, Ze Qiang</au><au>Xiao, Zhuo Bing</au><au>Ma, Ming You</au><au>Liu, Jian Ben</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis and characterization of LiMn2O4/Ag composite by citrate gel and combustion method</atitle><jtitle>Ceramics international</jtitle><date>2008-08-01</date><risdate>2008</risdate><volume>34</volume><issue>6</issue><spage>1387</spage><epage>1391</epage><pages>1387-1391</pages><issn>0272-8842</issn><eissn>1873-3956</eissn><abstract>LiMn2O4/Ag composite powders were prepared by citrate gel and combustion technique using lithium acetate, manganese acetate and silver nitrate as starting materials. Phase identification, surface morphology and electrochemical properties were studied by XRD, SEM, galvanostatic charge-discharge experiments, and electrochemical impedance spectroscopy. The results showed that the powder is a composite of LiMn2O4 and Ag metal, with silver dispersed homogeneously in the LiMn2O4 particles. Compared with LiMn2O4, LiMn2O4/Ag composites have higher specific capacity, higher coulomb efficiency and lower polarisation. Ag improved the cyclability of LiMn2O4 powders, especially at higher charge-discharge rate. 13 refs.</abstract><cop>Kidlington</cop><pub>Elsevier Science</pub><doi>10.1016/j.ceramint.2007.03.024</doi><tpages>5</tpages></addata></record> |
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| identifier | ISSN: 0272-8842 |
| ispartof | Ceramics international, 2008-08, Vol.34 (6), p.1387-1391 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Building materials. Ceramics. Glasses Ceramic industries Cermets, ceramic and refractory composites Chemical industry and chemicals Cross-disciplinary physics: materials science rheology Direct energy conversion and energy accumulation Electrical engineering. Electrical power engineering Electrical power engineering Electrochemical conversion: primary and secondary batteries, fuel cells Electrotechnical and electronic ceramics Exact sciences and technology Materials science Other materials Physics Specific materials Technical ceramics |
| title | Synthesis and characterization of LiMn2O4/Ag composite by citrate gel and combustion method |
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