高质量水系钠离子电池正极Fe4[Fe(CN)6]3的合成及其电化学性能
王武练1,2,张军2,王秋实2,陈亮2,刘兆平2(
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High-quality Fe4[Fe(CN)6]3 Nanocubes: Synthesis and Electrochemical Performance as Cathode Material for Aqueous Sodium-ion Battery
WANG Wu-Lian1,2,ZHANG Jun2,WANG Qiu-Shi2,CHEN Liang2,LIU Zhao-Ping2()
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图4. (a)HQ-FeHCF和LQ-FeHCF在Na-H2O-PEG电解液中以1 mV·s-1的扫速测得的循环伏安曲线; (b)HQ-FeHCF和LQ-FeHCF在1C倍率下的充放电曲线; (c)HQ-FeHCF和LQ-FeHCF的倍率性能; (d)HQ-FeHCF和LQ-FeHCF的循环性能
Fig. 4. (a) Cyclic voltammogram (CV) curves of HQ-FeHCF and LQ-FeHCF at the sweep rate of 1 mV·s-1 in the electrolyte of Na-H2O-PEG; (b) Charge and discharge curves of HQ-FeHCF and LQ-FeHCF at 1C; (c) Rate performance of HQ-FeHCF and LQ-FeHCF; (d) Cycling performance of HQ-FeHCF and LQ-FeHCF
