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High-Defect-Density Graphite for Superior-Performance Aluminum-Ion Batteries with Ultra-Fast Charging and Stable Long Life
Nano-Micro Letters ( IF 31.6 ) Pub Date : 2021-08-09 , DOI: 10.1007/s40820-021-00698-0 Jisu Kim 1 , Michael Ruby Raj 1 , Gibaek Lee 1
中文翻译:
高缺陷密度石墨可用于超快速充电和稳定长寿命的高性能铝离子电池
更新日期:2021-08-10
Nano-Micro Letters ( IF 31.6 ) Pub Date : 2021-08-09 , DOI: 10.1007/s40820-021-00698-0 Jisu Kim 1 , Michael Ruby Raj 1 , Gibaek Lee 1
Affiliation
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Surface-modified graphite (acid-treated expanded graphite (AEG)/base-etched graphite (BEG)) displays an abundant micro- to nano-sized pores/defects and exposed edge graphitic site.
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AEG and BEG exhibit high specific capacity, rate capability and cyclic stability compared with pristine graphite.
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High defect density of BEG electrode exhibits profound effect on the chloroaluminate anions intercalation kinetics.
中文翻译:
高缺陷密度石墨可用于超快速充电和稳定长寿命的高性能铝离子电池
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表面改性石墨(酸处理膨胀石墨(AEG)/碱蚀刻石墨(BEG))显示出丰富的微米至纳米尺寸的孔/缺陷和暴露的边缘石墨位点。 -
与原始石墨相比,AEG 和 BEG 表现出高比容量、倍率性能和循环稳定性。 -
BEG 电极的高缺陷密度对氯铝酸盐阴离子嵌入动力学具有深远的影响。