| 集流体对可充镁电池电解液电化学性能的影响 |
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| 引用本文： | 陈强,努丽燕娜*,杨军,凯丽比努尔·克日木,王久林.集流体对可充镁电池电解液电化学性能的影响[J].物理化学学报,2012,28(11):2625-2631. |
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| 作者姓名： | 陈强 努丽燕娜* 杨军 凯丽比努尔·克日木 王久林 |
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| 作者单位： | School of Chemistry and Chemical Technology, Shanghai Jiaotong University, Shanghai 200240, P. R. China |
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| 基金项目： | 国家自然科学基金(20603022,20973112)资助项目~~ |
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| 摘 要： | 系统研究了铂、镍、不锈钢(SS)、铜、铝五种金属集流体和碳纤维、石墨箔、碳布三种碳纸集流体对“一代” (Mg(AlCl2BuEt)2/THF)、“二代” ((PhMgCl)2-AlCl3/THF)可充镁电池电解液阳极氧化分解电位和镁沉积-溶出性能的影响。金属镍、不锈钢、铜、铝作为可充镁电池正极的集流体时, 充电至一定电压时自身均会发生腐蚀。其中, 镍和不锈钢可用作充电电压在2.1V(vs Mg/Mg2+)以下正极材料的集流体; 铜可用作充电电压在1.8V(vs Mg/Mg2+)以下正极材料的集流体。碳集流体比金属集流体具有更高的稳定性, 其中, 碳布作为集流体, 适用于充电电压在2.25V(vs. Mg)(对“一代”电解液)和2.95V(vs Mg/Mg2+)(对“二代”电解液)以下的正极材料。
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| 关 键 词： | 可充镁电池 集流体 金属 碳纸 电解液 |
| 收稿时间： | 2012-06-20 |
| 修稿时间： | 2012-08-03 |
Effects of Current Collectors on the Electrochemical Performance of Electrolytes for Rechargeable Magnesium Batteries |
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| CHEN Qiang,NULI Yan-Na YANG Jun,KAILIBINUER Kerimu,WANG Jiu-Lin.Effects of Current Collectors on the Electrochemical Performance of Electrolytes for Rechargeable Magnesium Batteries[J].Acta Physico-Chimica Sinica,2012,28(11):2625-2631. |
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| Authors: | CHEN Qiang NULI Yan-Na YANG Jun KAILIBINUER Kerimu WANG Jiu-Lin |
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| Institution: | School of Chemistry and Chemical Technology, Shanghai Jiaotong University, Shanghai 200240, P. R. China |
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| Abstract: | The effects of metal (platinum, nickel, stainless steel (SS), copper and aluminum) and carbon paper (carbon fiber, graphite foil and carbon cloth) current collectors on the anodic stability and magnesium deposition-dissolution of the electrolytes (Mg(AlCl2BuEt)2/THF and (PhMgCl)2-AlCl3/THF) for rechargeable magnesium batteries were studied by cyclic voltammogram and constant current deposition-dissolution measurements. Nickel, stainless steel, copper and aluminum current collectors occur corrosion upon charging process. Nickel or stainless steel exhibits a higher stability, which can be used as the current collector for the cathode materials with a charging voltage under 2.1V (vs Mg/Mg2+). While copper is suitable for the cathode with a charging voltage under 1.8V (vs Mg/Mg2+). Furthermore, carbon paper current collectors have a higher anodic stability than metals. Carbon cloth is appropriate for the cathode materials with a charging voltage under 2.25V (vs Mg/Mg2+) in Mg(AlCl2BuEt)2/THF and 2.95V (vs Mg/Mg2+) in (PhMgCl)2-AlCl3/THF. |
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| Keywords: | Rechargeable magnesium battery Current collector Metal Carbon paper Electrolyte |
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