Nanostructured spinel LiNi0.5Mn1.5O4 as new insertion anode for advanced Li-ion capacitors with high power capability

被引：110

作者：

Arun, Nagasubramanian ^{[1
,2
]}

Jain, Akshay ^{[3
]}

Aravindan, Vanchiappan ^{[4
]}

Jayaraman, Sundaramurthy ^{[5
]}

Ling, Wong Chui ^{[4
]}

Srinivasan, Madapusi P. ^{[3
]}

Madhavi, Srinivasan ^{[1
,2
,4
]}

机构：

[1] TUM CREATE, Singapore 138602, Singapore

[2] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore

[3] Natl Univ Singapore, Dept Chem & Biomol Engn, Singapore 117576, Singapore

[4] Nanyang Technol Univ, Energy Res Inst NTU ERI N, Singapore 637553, Singapore

[5] Ngee Ann Polytech, Ctr Innovat, Environm & Water Technol, Singapore 599489, Singapore

来源：

NANO ENERGY | 2015年 / 12卷

基金：

新加坡国家研究基金会;

关键词：

Li-ion capacitors; Spinel LiNi(0.5)mn(1.5)O(4); Etectrospun nanofibers; Energy density; HYBRID SUPERCAPACITOR; HIGH-ENERGY; ACTIVATED CARBON; BATTERIES; PERFORMANCE; ELECTRODES; DENSITY; CATHODE;

D O I：

10.1016/j.nanoen.2014.12.006

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070305 [高分子化学与物理];

摘要：

We demonstrate a novel Li-ion hybrid electrochemical capacitor (Li-HEC) assembled using 10 nanofibers of a high voltage spinet insertion electrode (LiNi0.5Mn1.5O4) and an activated carbon (AC) counter electrode in an organic electrolyte. A scalable electrospinning technique was employed to produce 10 nanofibers of the high voltage spinet electrode. Structural and morphological features of the nanofibers were studied using various characterization techniques. Performance of spinet and AC electrodes were evaluated in half-cell configurations with metallic Li. A Li-HEC assembly with optimized mass loading delivered a maximum energy density of similar to 19 Wh kg(-1) while retaining 81% of the initial value after 3000 cycles. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：69 / 75

页数：7

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