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Influence of the Electrode Materials on the Electrochemical Performance of Room Temperature Li-SO2 Rechargeable Battery

机译:电极材料对室温Li-SO 2 充电电池电化学性能的影响

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The influence of the electrode material on the electrochemical properties of Li/SO2 rechargeablebatteries containing a LiAlCl4-based inorganic electrolyte solution was investigated using variouscarbon black materials such as Ketjenblack EC-600JD (KB-600), Ketjenblack EC-300J (KB-300),Printex XE-2, and acetylene black. The electrochemical reaction of sulfur dioxide (SO2) in aninorganic electrolyte was found to be strongly dependent on the type of carbon black material. The testcells with KB-600, KB-300 and Printex XE-2 exhibited much larger discharge capacities of more than1650 mAh/g in the first cycle with respect to the carbon weight in the cathode compared to that (~560mAh/g) of the test cell with acetylene black. In particular, the cell with KB-600 showed extremelyhigh capacities of 1280 mAh/g at a C-rate of 5.0 C and considerable capacity retention (87%) after 50cycles.
机译:使用Ketjenblack EC-600JD(KB-600),Ketjenblack EC-300J(KB-300)等各种炭黑材料,研究了电极材料对含LiAlCl4基无机电解液的Li / SO2可充电电池的电化学性能的影响。 ,Printex XE-2和乙炔黑。发现无机电解质中二氧化硫(SO2)的电化学反应强烈依赖于炭黑材料的类型。相对于阴极中的碳重量,具有KB-600,KB-300和Printex XE-2的测试电池在第一个循环中相对于阴极中的碳重量显示出更大的放电容量,超过1650 mAh / g。用乙炔黑测试电池。特别是,KB-600电池在5.0 C的C速率下显示出1280 mAh / g的极高容量,在50次循环后显示出相当大的容量保持率(87%)。

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