TiCr
As a recently developed anode material for lithium-ion batteries, Ti2Nb10O29 shows high theoretical/practical capacities and safety, but suffers from a poor rate capability due to its insulator nature and insufficient Li+-ion diffusion coefficient. To tackle this issue, a strategy combining nanosizi...
Ausführliche Beschreibung
Autor*in: |
Hu, Lei [verfasserIn] Lu, Ruohan [verfasserIn] Tang, Lingfei [verfasserIn] Xia, Ran [verfasserIn] Lin, Chunfu [verfasserIn] Luo, Zhibin [verfasserIn] Chen, Yongjun [verfasserIn] Li, Jianbao [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2017 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Journal of alloys and compounds - Lausanne : Elsevier, 1991, 732, Seite 116-123 |
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Übergeordnetes Werk: |
volume:732 ; pages:116-123 |
DOI / URN: |
10.1016/j.jallcom.2017.10.145 |
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Katalog-ID: |
ELV000510106 |
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520 | |a As a recently developed anode material for lithium-ion batteries, Ti2Nb10O29 shows high theoretical/practical capacities and safety, but suffers from a poor rate capability due to its insulator nature and insufficient Li+-ion diffusion coefficient. To tackle this issue, a strategy combining nanosizing, Cr3+–Nb5+ co-doping and carbon nanotube (CNT) compositing is employed. A novel TiCr0.5Nb10.5O29/CNTs nanocomposite with 9.1 wt% CNTs is fabricated by a direct hydrolysis process followed by calcination in N2. The Cr3+–Nb5+ co-doping significantly improves the electronic conductivity and Li+-ion diffusion coefficient of Ti2Nb10O29 by three orders and one order of magnitude, respectively. The CNT compositing not only enhances the electrical conduction among the TiCr0.5Nb10.5O29 particles but also hinders the particle growth in the hydrolysis process, leading to the small particle sizes. Due to the synergistic effect of these advantages, the TiCr0.5Nb10.5O29/CNTs nanocomposite exhibits a high rate capability with a high capacity of 206 mAh g−1 at 20 C, surpassing those of Ti2Nb10O29 (145 mAh g−1) and TiCr0.5Nb10.5O29 nanoparticles (187 mAh g−1). Additionally, TiCr0.5Nb10.5O29/CNTs delivers a high reversible capacity (297 mAh g−1 at 0.1 C) and cyclic stability (95.0% capacity retention after 100 cycles at 10 C). This good electrochemical performance reveals that TiCr0.5Nb10.5O29/CNTs can be an advanced anode material for high-performance Li+-ion storage. | ||
650 | 4 | |a Energy storage materials | |
650 | 4 | |a Electrode materials | |
650 | 4 | |a Composite materials | |
650 | 4 | |a Nanofabrications | |
650 | 4 | |a Electrical transport | |
650 | 4 | |a Electrochemical reactions | |
700 | 1 | |a Lu, Ruohan |e verfasserin |4 aut | |
700 | 1 | |a Tang, Lingfei |e verfasserin |4 aut | |
700 | 1 | |a Xia, Ran |e verfasserin |4 aut | |
700 | 1 | |a Lin, Chunfu |e verfasserin |0 (orcid)0000-0003-0251-7938 |4 aut | |
700 | 1 | |a Luo, Zhibin |e verfasserin |4 aut | |
700 | 1 | |a Chen, Yongjun |e verfasserin |4 aut | |
700 | 1 | |a Li, Jianbao |e verfasserin |4 aut | |
773 | 0 | 8 | |i Enthalten in |t Journal of alloys and compounds |d Lausanne : Elsevier, 1991 |g 732, Seite 116-123 |h Online-Ressource |w (DE-627)320504646 |w (DE-600)2012675-X |w (DE-576)098615009 |7 nnns |
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936 | b | k | |a 51.54 |j Nichteisenmetalle und ihre Legierungen |
936 | b | k | |a 33.61 |j Festkörperphysik |
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allfields |
10.1016/j.jallcom.2017.10.145 doi (DE-627)ELV000510106 (ELSEVIER)S0925-8388(17)33581-8 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Hu, Lei verfasserin aut TiCr 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier As a recently developed anode material for lithium-ion batteries, Ti2Nb10O29 shows high theoretical/practical capacities and safety, but suffers from a poor rate capability due to its insulator nature and insufficient Li+-ion diffusion coefficient. To tackle this issue, a strategy combining nanosizing, Cr3+–Nb5+ co-doping and carbon nanotube (CNT) compositing is employed. A novel TiCr0.5Nb10.5O29/CNTs nanocomposite with 9.1 wt% CNTs is fabricated by a direct hydrolysis process followed by calcination in N2. The Cr3+–Nb5+ co-doping significantly improves the electronic conductivity and Li+-ion diffusion coefficient of Ti2Nb10O29 by three orders and one order of magnitude, respectively. The CNT compositing not only enhances the electrical conduction among the TiCr0.5Nb10.5O29 particles but also hinders the particle growth in the hydrolysis process, leading to the small particle sizes. Due to the synergistic effect of these advantages, the TiCr0.5Nb10.5O29/CNTs nanocomposite exhibits a high rate capability with a high capacity of 206 mAh g−1 at 20 C, surpassing those of Ti2Nb10O29 (145 mAh g−1) and TiCr0.5Nb10.5O29 nanoparticles (187 mAh g−1). Additionally, TiCr0.5Nb10.5O29/CNTs delivers a high reversible capacity (297 mAh g−1 at 0.1 C) and cyclic stability (95.0% capacity retention after 100 cycles at 10 C). This good electrochemical performance reveals that TiCr0.5Nb10.5O29/CNTs can be an advanced anode material for high-performance Li+-ion storage. Energy storage materials Electrode materials Composite materials Nanofabrications Electrical transport Electrochemical reactions Lu, Ruohan verfasserin aut Tang, Lingfei verfasserin aut Xia, Ran verfasserin aut Lin, Chunfu verfasserin (orcid)0000-0003-0251-7938 aut Luo, Zhibin verfasserin aut Chen, Yongjun verfasserin aut Li, Jianbao verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 732, Seite 116-123 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:732 pages:116-123 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 732 116-123 |
spelling |
10.1016/j.jallcom.2017.10.145 doi (DE-627)ELV000510106 (ELSEVIER)S0925-8388(17)33581-8 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Hu, Lei verfasserin aut TiCr 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier As a recently developed anode material for lithium-ion batteries, Ti2Nb10O29 shows high theoretical/practical capacities and safety, but suffers from a poor rate capability due to its insulator nature and insufficient Li+-ion diffusion coefficient. To tackle this issue, a strategy combining nanosizing, Cr3+–Nb5+ co-doping and carbon nanotube (CNT) compositing is employed. A novel TiCr0.5Nb10.5O29/CNTs nanocomposite with 9.1 wt% CNTs is fabricated by a direct hydrolysis process followed by calcination in N2. The Cr3+–Nb5+ co-doping significantly improves the electronic conductivity and Li+-ion diffusion coefficient of Ti2Nb10O29 by three orders and one order of magnitude, respectively. The CNT compositing not only enhances the electrical conduction among the TiCr0.5Nb10.5O29 particles but also hinders the particle growth in the hydrolysis process, leading to the small particle sizes. Due to the synergistic effect of these advantages, the TiCr0.5Nb10.5O29/CNTs nanocomposite exhibits a high rate capability with a high capacity of 206 mAh g−1 at 20 C, surpassing those of Ti2Nb10O29 (145 mAh g−1) and TiCr0.5Nb10.5O29 nanoparticles (187 mAh g−1). Additionally, TiCr0.5Nb10.5O29/CNTs delivers a high reversible capacity (297 mAh g−1 at 0.1 C) and cyclic stability (95.0% capacity retention after 100 cycles at 10 C). This good electrochemical performance reveals that TiCr0.5Nb10.5O29/CNTs can be an advanced anode material for high-performance Li+-ion storage. Energy storage materials Electrode materials Composite materials Nanofabrications Electrical transport Electrochemical reactions Lu, Ruohan verfasserin aut Tang, Lingfei verfasserin aut Xia, Ran verfasserin aut Lin, Chunfu verfasserin (orcid)0000-0003-0251-7938 aut Luo, Zhibin verfasserin aut Chen, Yongjun verfasserin aut Li, Jianbao verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 732, Seite 116-123 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:732 pages:116-123 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 732 116-123 |
allfields_unstemmed |
10.1016/j.jallcom.2017.10.145 doi (DE-627)ELV000510106 (ELSEVIER)S0925-8388(17)33581-8 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Hu, Lei verfasserin aut TiCr 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier As a recently developed anode material for lithium-ion batteries, Ti2Nb10O29 shows high theoretical/practical capacities and safety, but suffers from a poor rate capability due to its insulator nature and insufficient Li+-ion diffusion coefficient. To tackle this issue, a strategy combining nanosizing, Cr3+–Nb5+ co-doping and carbon nanotube (CNT) compositing is employed. A novel TiCr0.5Nb10.5O29/CNTs nanocomposite with 9.1 wt% CNTs is fabricated by a direct hydrolysis process followed by calcination in N2. The Cr3+–Nb5+ co-doping significantly improves the electronic conductivity and Li+-ion diffusion coefficient of Ti2Nb10O29 by three orders and one order of magnitude, respectively. The CNT compositing not only enhances the electrical conduction among the TiCr0.5Nb10.5O29 particles but also hinders the particle growth in the hydrolysis process, leading to the small particle sizes. Due to the synergistic effect of these advantages, the TiCr0.5Nb10.5O29/CNTs nanocomposite exhibits a high rate capability with a high capacity of 206 mAh g−1 at 20 C, surpassing those of Ti2Nb10O29 (145 mAh g−1) and TiCr0.5Nb10.5O29 nanoparticles (187 mAh g−1). Additionally, TiCr0.5Nb10.5O29/CNTs delivers a high reversible capacity (297 mAh g−1 at 0.1 C) and cyclic stability (95.0% capacity retention after 100 cycles at 10 C). This good electrochemical performance reveals that TiCr0.5Nb10.5O29/CNTs can be an advanced anode material for high-performance Li+-ion storage. Energy storage materials Electrode materials Composite materials Nanofabrications Electrical transport Electrochemical reactions Lu, Ruohan verfasserin aut Tang, Lingfei verfasserin aut Xia, Ran verfasserin aut Lin, Chunfu verfasserin (orcid)0000-0003-0251-7938 aut Luo, Zhibin verfasserin aut Chen, Yongjun verfasserin aut Li, Jianbao verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 732, Seite 116-123 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:732 pages:116-123 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 732 116-123 |
allfieldsGer |
10.1016/j.jallcom.2017.10.145 doi (DE-627)ELV000510106 (ELSEVIER)S0925-8388(17)33581-8 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Hu, Lei verfasserin aut TiCr 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier As a recently developed anode material for lithium-ion batteries, Ti2Nb10O29 shows high theoretical/practical capacities and safety, but suffers from a poor rate capability due to its insulator nature and insufficient Li+-ion diffusion coefficient. To tackle this issue, a strategy combining nanosizing, Cr3+–Nb5+ co-doping and carbon nanotube (CNT) compositing is employed. A novel TiCr0.5Nb10.5O29/CNTs nanocomposite with 9.1 wt% CNTs is fabricated by a direct hydrolysis process followed by calcination in N2. The Cr3+–Nb5+ co-doping significantly improves the electronic conductivity and Li+-ion diffusion coefficient of Ti2Nb10O29 by three orders and one order of magnitude, respectively. The CNT compositing not only enhances the electrical conduction among the TiCr0.5Nb10.5O29 particles but also hinders the particle growth in the hydrolysis process, leading to the small particle sizes. Due to the synergistic effect of these advantages, the TiCr0.5Nb10.5O29/CNTs nanocomposite exhibits a high rate capability with a high capacity of 206 mAh g−1 at 20 C, surpassing those of Ti2Nb10O29 (145 mAh g−1) and TiCr0.5Nb10.5O29 nanoparticles (187 mAh g−1). Additionally, TiCr0.5Nb10.5O29/CNTs delivers a high reversible capacity (297 mAh g−1 at 0.1 C) and cyclic stability (95.0% capacity retention after 100 cycles at 10 C). This good electrochemical performance reveals that TiCr0.5Nb10.5O29/CNTs can be an advanced anode material for high-performance Li+-ion storage. Energy storage materials Electrode materials Composite materials Nanofabrications Electrical transport Electrochemical reactions Lu, Ruohan verfasserin aut Tang, Lingfei verfasserin aut Xia, Ran verfasserin aut Lin, Chunfu verfasserin (orcid)0000-0003-0251-7938 aut Luo, Zhibin verfasserin aut Chen, Yongjun verfasserin aut Li, Jianbao verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 732, Seite 116-123 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:732 pages:116-123 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 732 116-123 |
allfieldsSound |
10.1016/j.jallcom.2017.10.145 doi (DE-627)ELV000510106 (ELSEVIER)S0925-8388(17)33581-8 DE-627 ger DE-627 rda eng 670 540 DE-600 51.54 bkl 33.61 bkl 35.90 bkl Hu, Lei verfasserin aut TiCr 2017 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier As a recently developed anode material for lithium-ion batteries, Ti2Nb10O29 shows high theoretical/practical capacities and safety, but suffers from a poor rate capability due to its insulator nature and insufficient Li+-ion diffusion coefficient. To tackle this issue, a strategy combining nanosizing, Cr3+–Nb5+ co-doping and carbon nanotube (CNT) compositing is employed. A novel TiCr0.5Nb10.5O29/CNTs nanocomposite with 9.1 wt% CNTs is fabricated by a direct hydrolysis process followed by calcination in N2. The Cr3+–Nb5+ co-doping significantly improves the electronic conductivity and Li+-ion diffusion coefficient of Ti2Nb10O29 by three orders and one order of magnitude, respectively. The CNT compositing not only enhances the electrical conduction among the TiCr0.5Nb10.5O29 particles but also hinders the particle growth in the hydrolysis process, leading to the small particle sizes. Due to the synergistic effect of these advantages, the TiCr0.5Nb10.5O29/CNTs nanocomposite exhibits a high rate capability with a high capacity of 206 mAh g−1 at 20 C, surpassing those of Ti2Nb10O29 (145 mAh g−1) and TiCr0.5Nb10.5O29 nanoparticles (187 mAh g−1). Additionally, TiCr0.5Nb10.5O29/CNTs delivers a high reversible capacity (297 mAh g−1 at 0.1 C) and cyclic stability (95.0% capacity retention after 100 cycles at 10 C). This good electrochemical performance reveals that TiCr0.5Nb10.5O29/CNTs can be an advanced anode material for high-performance Li+-ion storage. Energy storage materials Electrode materials Composite materials Nanofabrications Electrical transport Electrochemical reactions Lu, Ruohan verfasserin aut Tang, Lingfei verfasserin aut Xia, Ran verfasserin aut Lin, Chunfu verfasserin (orcid)0000-0003-0251-7938 aut Luo, Zhibin verfasserin aut Chen, Yongjun verfasserin aut Li, Jianbao verfasserin aut Enthalten in Journal of alloys and compounds Lausanne : Elsevier, 1991 732, Seite 116-123 Online-Ressource (DE-627)320504646 (DE-600)2012675-X (DE-576)098615009 nnns volume:732 pages:116-123 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2098 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 51.54 Nichteisenmetalle und ihre Legierungen 33.61 Festkörperphysik 35.90 Festkörperchemie AR 732 116-123 |
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Enthalten in Journal of alloys and compounds 732, Seite 116-123 volume:732 pages:116-123 |
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Hu, Lei @@aut@@ Lu, Ruohan @@aut@@ Tang, Lingfei @@aut@@ Xia, Ran @@aut@@ Lin, Chunfu @@aut@@ Luo, Zhibin @@aut@@ Chen, Yongjun @@aut@@ Li, Jianbao @@aut@@ |
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Hu, Lei ddc 670 bkl 51.54 bkl 33.61 bkl 35.90 misc Energy storage materials misc Electrode materials misc Composite materials misc Nanofabrications misc Electrical transport misc Electrochemical reactions TiCr |
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abstract |
As a recently developed anode material for lithium-ion batteries, Ti2Nb10O29 shows high theoretical/practical capacities and safety, but suffers from a poor rate capability due to its insulator nature and insufficient Li+-ion diffusion coefficient. To tackle this issue, a strategy combining nanosizing, Cr3+–Nb5+ co-doping and carbon nanotube (CNT) compositing is employed. A novel TiCr0.5Nb10.5O29/CNTs nanocomposite with 9.1 wt% CNTs is fabricated by a direct hydrolysis process followed by calcination in N2. The Cr3+–Nb5+ co-doping significantly improves the electronic conductivity and Li+-ion diffusion coefficient of Ti2Nb10O29 by three orders and one order of magnitude, respectively. The CNT compositing not only enhances the electrical conduction among the TiCr0.5Nb10.5O29 particles but also hinders the particle growth in the hydrolysis process, leading to the small particle sizes. Due to the synergistic effect of these advantages, the TiCr0.5Nb10.5O29/CNTs nanocomposite exhibits a high rate capability with a high capacity of 206 mAh g−1 at 20 C, surpassing those of Ti2Nb10O29 (145 mAh g−1) and TiCr0.5Nb10.5O29 nanoparticles (187 mAh g−1). Additionally, TiCr0.5Nb10.5O29/CNTs delivers a high reversible capacity (297 mAh g−1 at 0.1 C) and cyclic stability (95.0% capacity retention after 100 cycles at 10 C). This good electrochemical performance reveals that TiCr0.5Nb10.5O29/CNTs can be an advanced anode material for high-performance Li+-ion storage. |
abstractGer |
As a recently developed anode material for lithium-ion batteries, Ti2Nb10O29 shows high theoretical/practical capacities and safety, but suffers from a poor rate capability due to its insulator nature and insufficient Li+-ion diffusion coefficient. To tackle this issue, a strategy combining nanosizing, Cr3+–Nb5+ co-doping and carbon nanotube (CNT) compositing is employed. A novel TiCr0.5Nb10.5O29/CNTs nanocomposite with 9.1 wt% CNTs is fabricated by a direct hydrolysis process followed by calcination in N2. The Cr3+–Nb5+ co-doping significantly improves the electronic conductivity and Li+-ion diffusion coefficient of Ti2Nb10O29 by three orders and one order of magnitude, respectively. The CNT compositing not only enhances the electrical conduction among the TiCr0.5Nb10.5O29 particles but also hinders the particle growth in the hydrolysis process, leading to the small particle sizes. Due to the synergistic effect of these advantages, the TiCr0.5Nb10.5O29/CNTs nanocomposite exhibits a high rate capability with a high capacity of 206 mAh g−1 at 20 C, surpassing those of Ti2Nb10O29 (145 mAh g−1) and TiCr0.5Nb10.5O29 nanoparticles (187 mAh g−1). Additionally, TiCr0.5Nb10.5O29/CNTs delivers a high reversible capacity (297 mAh g−1 at 0.1 C) and cyclic stability (95.0% capacity retention after 100 cycles at 10 C). This good electrochemical performance reveals that TiCr0.5Nb10.5O29/CNTs can be an advanced anode material for high-performance Li+-ion storage. |
abstract_unstemmed |
As a recently developed anode material for lithium-ion batteries, Ti2Nb10O29 shows high theoretical/practical capacities and safety, but suffers from a poor rate capability due to its insulator nature and insufficient Li+-ion diffusion coefficient. To tackle this issue, a strategy combining nanosizing, Cr3+–Nb5+ co-doping and carbon nanotube (CNT) compositing is employed. A novel TiCr0.5Nb10.5O29/CNTs nanocomposite with 9.1 wt% CNTs is fabricated by a direct hydrolysis process followed by calcination in N2. The Cr3+–Nb5+ co-doping significantly improves the electronic conductivity and Li+-ion diffusion coefficient of Ti2Nb10O29 by three orders and one order of magnitude, respectively. The CNT compositing not only enhances the electrical conduction among the TiCr0.5Nb10.5O29 particles but also hinders the particle growth in the hydrolysis process, leading to the small particle sizes. Due to the synergistic effect of these advantages, the TiCr0.5Nb10.5O29/CNTs nanocomposite exhibits a high rate capability with a high capacity of 206 mAh g−1 at 20 C, surpassing those of Ti2Nb10O29 (145 mAh g−1) and TiCr0.5Nb10.5O29 nanoparticles (187 mAh g−1). Additionally, TiCr0.5Nb10.5O29/CNTs delivers a high reversible capacity (297 mAh g−1 at 0.1 C) and cyclic stability (95.0% capacity retention after 100 cycles at 10 C). This good electrochemical performance reveals that TiCr0.5Nb10.5O29/CNTs can be an advanced anode material for high-performance Li+-ion storage. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">ELV000510106</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230524134423.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230427s2017 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1016/j.jallcom.2017.10.145</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)ELV000510106</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(ELSEVIER)S0925-8388(17)33581-8</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">670</subfield><subfield code="a">540</subfield><subfield code="q">DE-600</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">51.54</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">33.61</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">35.90</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Hu, Lei</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">TiCr</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2017</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">As a recently developed anode material for lithium-ion batteries, Ti2Nb10O29 shows high theoretical/practical capacities and safety, but suffers from a poor rate capability due to its insulator nature and insufficient Li+-ion diffusion coefficient. To tackle this issue, a strategy combining nanosizing, Cr3+–Nb5+ co-doping and carbon nanotube (CNT) compositing is employed. A novel TiCr0.5Nb10.5O29/CNTs nanocomposite with 9.1 wt% CNTs is fabricated by a direct hydrolysis process followed by calcination in N2. The Cr3+–Nb5+ co-doping significantly improves the electronic conductivity and Li+-ion diffusion coefficient of Ti2Nb10O29 by three orders and one order of magnitude, respectively. The CNT compositing not only enhances the electrical conduction among the TiCr0.5Nb10.5O29 particles but also hinders the particle growth in the hydrolysis process, leading to the small particle sizes. Due to the synergistic effect of these advantages, the TiCr0.5Nb10.5O29/CNTs nanocomposite exhibits a high rate capability with a high capacity of 206 mAh g−1 at 20 C, surpassing those of Ti2Nb10O29 (145 mAh g−1) and TiCr0.5Nb10.5O29 nanoparticles (187 mAh g−1). Additionally, TiCr0.5Nb10.5O29/CNTs delivers a high reversible capacity (297 mAh g−1 at 0.1 C) and cyclic stability (95.0% capacity retention after 100 cycles at 10 C). This good electrochemical performance reveals that TiCr0.5Nb10.5O29/CNTs can be an advanced anode material for high-performance Li+-ion storage.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Energy storage materials</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Electrode materials</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Composite materials</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Nanofabrications</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Electrical transport</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Electrochemical reactions</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lu, Ruohan</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield 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