Lithium Ion Storage Characteristics of Mechanically Fractured Titanate Nanotubes
The effect of mechanical milling on the formation of short titanate nanotube and structural change induced is investigated. Mechanical milling produces the short nanotubes with the length of 30–160 nm. The lithium ion intercalation characteristics of the obtained short titanate nanotube were studied...
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Veröffentlicht in: | Journal of nanomaterials 2012-01, Vol.2012 (2012), p.1-8 |
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description | The effect of mechanical milling on the formation of short titanate nanotube and structural change induced is investigated. Mechanical milling produces the short nanotubes with the length of 30–160 nm. The lithium ion intercalation characteristics of the obtained short titanate nanotube were studied to verify the effect of the newly formed cross-sections of nanotubes. It was found that the protonated titanate nanotubes maintained long shapes until 30 min of mechanical milling and were transformed into agglomerated nanosheets and finally anatase granules depending on the treatment duration. Through galvanostatic investigation, the nanotubes with milling of 15 min exhibited the highest discharge capacity of 336 mAh·g−1 in first cycle, 12.4% larger than pristine. |
doi_str_mv | 10.1155/2012/394089 |
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Mechanical milling produces the short nanotubes with the length of 30–160 nm. The lithium ion intercalation characteristics of the obtained short titanate nanotube were studied to verify the effect of the newly formed cross-sections of nanotubes. It was found that the protonated titanate nanotubes maintained long shapes until 30 min of mechanical milling and were transformed into agglomerated nanosheets and finally anatase granules depending on the treatment duration. Through galvanostatic investigation, the nanotubes with milling of 15 min exhibited the highest discharge capacity of 336 mAh·g−1 in first cycle, 12.4% larger than pristine.</description><identifier>ISSN: 1687-4110</identifier><identifier>EISSN: 1687-4129</identifier><identifier>DOI: 10.1155/2012/394089</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>Anatase ; Aqueous solutions ; Batteries ; Fuel cells ; Granular materials ; Lithium ; Mechanical milling ; Nanomaterials ; Nanostructure ; Nanotubes ; Phase transitions ; Studies ; Titanates ; Titanium oxide powders</subject><ispartof>Journal of nanomaterials, 2012-01, Vol.2012 (2012), p.1-8</ispartof><rights>Copyright © 2012 Jeongeun Kim et al.</rights><rights>Copyright © 2012 Jeongeun Kim et al. Jeongeun Kim et al. 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Mechanical milling produces the short nanotubes with the length of 30–160 nm. The lithium ion intercalation characteristics of the obtained short titanate nanotube were studied to verify the effect of the newly formed cross-sections of nanotubes. It was found that the protonated titanate nanotubes maintained long shapes until 30 min of mechanical milling and were transformed into agglomerated nanosheets and finally anatase granules depending on the treatment duration. Through galvanostatic investigation, the nanotubes with milling of 15 min exhibited the highest discharge capacity of 336 mAh·g−1 in first cycle, 12.4% larger than pristine.</description><subject>Anatase</subject><subject>Aqueous solutions</subject><subject>Batteries</subject><subject>Fuel cells</subject><subject>Granular materials</subject><subject>Lithium</subject><subject>Mechanical milling</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>Nanotubes</subject><subject>Phase transitions</subject><subject>Studies</subject><subject>Titanates</subject><subject>Titanium oxide powders</subject><issn>1687-4110</issn><issn>1687-4129</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>RHX</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqF0E1LAzEQBuAgCtbqybMQ8CJKbSbJbpOjFKuF-gHW85JmZ92U7a4mWaT_3i0rPXhxLjMwD8PwEnIO7BYgScacAR8LLZnSB2QAqZqMJHB9uJ-BHZOTENaMyUQnfEBeFy6Wrt3QeVPTt9h484F0WhpvbETvQnQ20KagT2hLUztrqmpLZ7tt6zGnSxdNbSLSZ1M3sV1hOCVHhakCnv32IXmf3S-nj6PFy8N8ercYGQk6jqwVhRKcWSWtVBbzZMU4Skx5WuRKMFgBFwCya9wWYBIwUjONmKtUCZ2KIbnq73765qvFELONCxarytTYtCEDIbXkMlWqo5d_6Lppfd19lwETSgGIrobkplfWNyF4LLJP7zbGbzuU7dLNdulmfbqdvu516ercfLt_8EWPsSNYmD3WepKKRPwAxuOBqA</recordid><startdate>20120101</startdate><enddate>20120101</enddate><creator>Shin, Dongwook</creator><creator>Yoon, Yongsub</creator><creator>Eom, Minyong</creator><creator>Kim, Jeongeun</creator><general>Hindawi Publishing Corporation</general><general>Hindawi Limited</general><scope>ADJCN</scope><scope>AHFXO</scope><scope>RHU</scope><scope>RHW</scope><scope>RHX</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>CWDGH</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>L7M</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20120101</creationdate><title>Lithium Ion Storage Characteristics of Mechanically Fractured Titanate Nanotubes</title><author>Shin, Dongwook ; 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Mechanical milling produces the short nanotubes with the length of 30–160 nm. The lithium ion intercalation characteristics of the obtained short titanate nanotube were studied to verify the effect of the newly formed cross-sections of nanotubes. It was found that the protonated titanate nanotubes maintained long shapes until 30 min of mechanical milling and were transformed into agglomerated nanosheets and finally anatase granules depending on the treatment duration. Through galvanostatic investigation, the nanotubes with milling of 15 min exhibited the highest discharge capacity of 336 mAh·g−1 in first cycle, 12.4% larger than pristine.</abstract><cop>Cairo, Egypt</cop><pub>Hindawi Publishing Corporation</pub><doi>10.1155/2012/394089</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Anatase Aqueous solutions Batteries Fuel cells Granular materials Lithium Mechanical milling Nanomaterials Nanostructure Nanotubes Phase transitions Studies Titanates Titanium oxide powders |
title | Lithium Ion Storage Characteristics of Mechanically Fractured Titanate Nanotubes |
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