An Ultrafast Rechargeable Hybrid Sodium-Based Dual-Ion Capacitor Based on Hard Carbon Cathodes

被引：176

作者：

Chen, Suhua ^{[1
]}

Wang, Jue ^{[1
]}

Fan, Ling ^{[1
]}

Ma, Ruifang ^{[1
]}

Zhang, Erjing ^{[1
]}

Liu, Qian ^{[1
]}

Lu, Bingan ^{[1
]}

机构：

[1] Hunan Univ, Sch Phys & Elect, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China

来源：

ADVANCED ENERGY MATERIALS | 2018年 / 8卷 / 18期

基金：

中国国家自然科学基金;

关键词：

hard carbon; hybrid sodium-based dual-ion hybrid capacitors; nitrogen-doped; soft carbon; PERFORMANCE SUPERCAPACITORS; POSITIVE ELECTRODE; GRAPHITIC CARBON; LITHIUM STORAGE; LI-ION; BATTERIES; ANODE; NITROGEN; INTERCALATION; NANOFIBERS;

D O I：

10.1002/aenm.201800140

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：

Hybrid sodium-based dual-ion capacitors (NDICs), which integrate the advantages of supercapacitors and sodium-ion batteries, have attracted tremendous attention recently. In this work, hybrid sodium-based dual-ion capacitors are successfully developed with nitrogen-doped microporous hard carbon as the cathode and soft carbon as the anode. N-doping is beneficial to the functional groups, porous structure, and electric conductivity of hard carbon. Hybrid NDICs possess a wide voltage range (0.01-4.7 V), high-energy density of 245.7 W h kg(-1) at a power density of 1626 W kg(-1), long cycle life (1000 cycles), and outstanding rate performance.

引用

页数：8

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