The production of self-assembled Fe2O3–graphene hybrid materials by a hydrothermal process for improved Li-cycling
An easy and effective strategy is developed to produce α-Fe2O3 nanoparticles (NPs) anchored on conducting graphene sheets by a hydrothermal reaction, without any reducing agents. Scanning electron microscopy shows that the α-Fe2O3 NPs are 70–85nm in size and homogeneously anchored on the graphene sh...
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| Veröffentlicht in: | Electrochimica acta 2012-03, Vol.65, p.153-158 |
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| container_title | Electrochimica acta |
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| creator | Tian, Leilei Zhuang, Quanchao Li, Jia Wu, Chao Shi, Yueli Sun, Shigang |
| description | An easy and effective strategy is developed to produce α-Fe2O3 nanoparticles (NPs) anchored on conducting graphene sheets by a hydrothermal reaction, without any reducing agents. Scanning electron microscopy shows that the α-Fe2O3 NPs are 70–85nm in size and homogeneously anchored on the graphene sheets. As high-performance anodes for lithium-ion batteries, the obtained material exhibits an excellent reversible capacity of ∼1050mAhg−1 based on the total mass. Its cycling performance and rate capability are drastically improved, exhibiting a high charge capacity of 1000±50mAhg−1 with no noticeable capacity fading up to 100 cycles in the voltage range 0.1–3.0V at 50mAg−1. These results highlight the importance of the anchoring of NPs on graphene sheets for maximum use of electrochemically active Fe2O3 NPs and graphene for energy storage applications. |
| doi_str_mv | 10.1016/j.electacta.2012.01.034 |
| format | Article |
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Electrical power engineering</subject><subject>Electrical power engineering</subject><subject>Electrochemical conversion: primary and secondary batteries, fuel cells</subject><subject>Energy storage</subject><subject>Exact sciences and technology</subject><subject>Ferric oxide</subject><subject>Graphene</subject><subject>Hybrid materials</subject><subject>Lithium batteries</subject><subject>Lithium ion batteries</subject><subject>Nanoparticles</subject><subject>Strategy</subject><subject>Voltage</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqFkM1qGzEUhUVpoW6aZ4g2hW5mop-RNLMMoWkDhmyStZCvrmIZzYwrjQPe9R36hn2SyjhkGxAIXb5zztUh5IqzljOur3ctJoTF1dMKxkXLeMtk94GseG9kI3s1fCQrxrhsOt3rz-RLKTvGmNGGrcjyuEW6z7M_wBLnic6BFkyhcaXguEno6R2KB_nvz9_n7PZbnJBuj5scPR3dgjm6VOjmSF2d-jwvW8yjSydDwFJomDONY329VKN1bOAIKU7PX8mnUIV4-XpfkKe7H4-3v5r1w8_725t1A9J0SyOCEtwrYdwgQJselPM8BGRdAK6dU9pIMXiQjPUBBxfUxg_gkYEKSuleXpDvZ9-6we8DlsWOsQCm5CacD8XW_gYtO6FZRc0ZhTyXkjHYfY6jy8cKnThtd_atZ3vq2TJua89V-e01xBVwKWQ3QSxvcqG04p0Rlbs5c1h__BIx2wIRJ0Afc_W1fo7vZv0H0xKanw</recordid><startdate>20120330</startdate><enddate>20120330</enddate><creator>Tian, Leilei</creator><creator>Zhuang, Quanchao</creator><creator>Li, Jia</creator><creator>Wu, Chao</creator><creator>Shi, Yueli</creator><creator>Sun, Shigang</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20120330</creationdate><title>The production of self-assembled Fe2O3–graphene hybrid materials by a hydrothermal process for improved Li-cycling</title><author>Tian, Leilei ; Zhuang, Quanchao ; Li, Jia ; Wu, Chao ; Shi, Yueli ; Sun, Shigang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c374t-2f521d527a92c678c5ad1ffe04fc16aa567329dc3008fe9af5bd9cde0c5f55683</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Applied sciences</topic><topic>Cycles</topic><topic>Cyclic performance</topic><topic>Direct energy conversion and energy accumulation</topic><topic>Electric potential</topic><topic>Electrical engineering. 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| ispartof | Electrochimica acta, 2012-03, Vol.65, p.153-158 |
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| subjects | Applied sciences Cycles Cyclic performance Direct energy conversion and energy accumulation Electric potential Electrical engineering. Electrical power engineering Electrical power engineering Electrochemical conversion: primary and secondary batteries, fuel cells Energy storage Exact sciences and technology Ferric oxide Graphene Hybrid materials Lithium batteries Lithium ion batteries Nanoparticles Strategy Voltage |
| title | The production of self-assembled Fe2O3–graphene hybrid materials by a hydrothermal process for improved Li-cycling |
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