Hard Carbon Microspheres: Potassium-Ion Anode Versus Sodium-Ion Anode

被引：903

作者：

Jian, Zelang ^{[1
]}

Xing, Zhenyu ^{[1
]}

Bommier, Clement ^{[1
]}

Li, Zhifei ^{[1
]}

Ji, Xiulei ^{[1
]}

机构：

[1] Oregon State Univ, Dept Chem, Gilbert Hall 153, Corvallis, OR 97331 USA

来源：

ADVANCED ENERGY MATERIALS | 2016年 / 6卷 / 03期

关键词：

anode materials; hard carbon; high-rate capability; potassium-ion anodes; sodium-ion anodes; HIGH-CAPACITY; CYCLE-LIFE; BATTERIES; INTERCALATION; ELECTRODE; LITHIUM; PERFORMANCE; COMPOSITE; GRAPHITE;

D O I：

10.1002/aenm.201501874

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Hard carbon microspheres (HCS) exhibit a highly reversible capacity of 262 mAh g-1 for K-ion batteries. They present a superior rate capability for K-ions to Na-ions, where at 2C, HCS/K cells deliver 190 mAh g-1 in contrast to 97 mAh g-1 from HCS/Na cells. It is determined that the K-ion diffusion coefficient of HCS is higher than that of Na-ions. © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页数：5

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