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[資源]
PCCP 有關(guān)碳和金屬復(fù)合應(yīng)用在超級電容器的文章
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這是一篇發(fā)表在PCCP上的文章,主要講述了碳和納米結(jié)構(gòu)金屬的復(fù)合應(yīng)用在超級電容器上,期刊影響因子不是太高,但也有一定的參考價值,文章題目:Carbon coated nano-LiTi2(PO4)3 electrodes for non-aqueous hybrid supercapacitors。 The Pechini type polymerizable complex decomposition method is employed to prepare LiTi2(PO4)3 at 1000 1C in air. High energy ball milling followed by carbon coating by the glucose-method yielded C-coated nano-LiTi2(PO4)3 (LTP) with a crystallite size of 80(5) nm. The phase is characterized by X-ray diffraction, Rietveld refinement, thermogravimetry, SEM, HR-TEM and Raman spectra. Lithium cycling properties of LTP show that 1.75 moles of Li (B121 mA h g1 at 15 mA g1 current) per formula unit can be reversibly cycled between 2 and 3.4 V vs. Li with 83% capacity retention after 70 cycles. Cyclic voltammograms (CV) reveal the two-phase reaction mechanism during Li insertion/extraction. A hybrid electrochemical supercapacitor (HEC) with LTP as negative electrode and activated carbon (AC) as positive electrode in non-aqueous electrolyte is studied by CV at various scan rates and by galvanostaticcycling at various current rates up to 1000 cycles in the range 0–3 V. Results show that the HEC delivers a maximum energy density of 14 W h kg1 and a power density of 180 W kg1. |
文獻推薦 | 超級電容器及各種科研精華 | 超級電容器電極材料 | 鈉離子電池及先進材料 |
2012 |
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