Porous NiCo2O4 as an anode material for 4.5 V hybrid Li-ion capacitors

Rui Ding; Li Qi; Hongyu Wang

doi:10.1039/C3RA41260A

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Porous NiCo₂O₄ as an anode material for 4.5 V hybrid Li-ion capacitors†

Rui Ding,*^ab Li Qi^a and Hongyu Wang^a

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* Corresponding authors

^a State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, China
E-mail: dingrui@ciac.jl.cn
Fax: +86 431 85262915
Tel: +86 431 85262915

^b Graduate University of Chinese Academy of Sciences, Beijing 100039, China

Abstract

A novel hybrid Li-ion capacitor has been constructed with a porous NiCo₂O₄ anode and an activated carbon cathode. The capacitor exhibits an ultrahigh working voltage of 4.5 V, good Ragone performance (39.4 W h Kg⁻¹, 554 W Kg⁻¹) and excellent cycling behavior (no energy loss after 2000 cycles).

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Article information

DOI: https://doi.org/10.1039/C3RA41260A
Article type: Communication
Submitted: 15 Mar 2013
Accepted: 14 May 2013
First published: 11 Jun 2013

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RSC Adv., 2013,3, 12581-12584

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Porous NiCo₂O₄ as an anode material for 4.5 V hybrid Li-ion capacitors

R. Ding, L. Qi and H. Wang, RSC Adv., 2013, 3, 12581 DOI: 10.1039/C3RA41260A

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