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摘要


可充式鋁電池為新興的儲能電池,具有高充放、高穩定、環保及原料蘊含量豐富等優勢,可應用於大型儲能系統或汽機車啟動電瓶,被視為下世代取代鋰電池或鉛酸電池之儲能電池,但目前鋁電池製造成本過高,致使遲遲無法順利商業化,為加速鋁電池商品化,於本研究中我們合成低成本1-丁基-3-甲基咪唑氯鹽離子液體,搭配AlCl_3調配成電解液應用於高面密度天然石墨鋁電池,以恆流充放電方式進行不同C-rate充放電進而分析鋁電池之性能。研究結果顯示,以0.5C之充放電速率下具有較佳之電池表現,約72mAh/g,其循環壽命可達150圈(450小時)。

並列摘要


Nowadays, Al batteries with Al anode, natural graphite cathode and ionic liquid electrolyte have gained more and more attention. In this study, we attempted to synthesize 3-methylimidazolium chloride ionic liquid and apply to highly loading natural graphite-based rechargeable Al batteries. The battery performance shows that the Al batteries had a better discharge capacity of 73 mAh/g at a current density of 50 mA/g. Moreover, the Al-battery shows a long cycle-life of 150 charge/discharge cycles with a high coulombic efficiency of 97%.

並列關鍵字

Al-battery Natural graphite BMIC

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