Issue 50, 2014
From the journal:

RSC Advances

Hybrid energy storage devices combining carbon-nanotube/polyaniline supercapacitor with lead-acid battery assembled through a “directly-inserted” method

Yanli Yin,a   Changhong Liu*a  and  Shoushan Fana  

* Corresponding authors

a Tsinghua-Foxconn Nanotechnology Research Centre, and Department of Physics, Tsinghua University, Beijing 100084, People's Republic of China
E-mail: chliu@tsinghua.edu.cn

Abstract

In this work, we used a new method to assemble hybrid energy storage devices, combining electrochemical capacitor with lead-acid battery. The ultrathin, flexible and low-weight carbon-nanotube/polyaniline (CNT/PANI) composite films used as supercapacitor electrodes were “directly-inserted” into a lead-acid battery in series or parallel. This quite simple and effective method is promising for large-scale industrialization as it reduces production and process complexity. The assembled hybrid devices showed notably improved properties, including a 19% increase in specific capacity, a 21% increase in specific energy or a 6% increase in specific power when compared to the conventional independent lead-acid batteries, which can be attributed to the synergic effect of batteries and supercapacitors.

Graphical abstract: Hybrid energy storage devices combining carbon-nanotube/polyaniline supercapacitor with lead-acid battery assembled through a “directly-inserted” method

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Article information

DOI
https://doi.org/10.1039/C4RA02104E
Article type
Paper
Submitted
11 Mar 2014
Accepted
13 May 2014
First published
14 May 2014

RSC Adv., 2014,4, 26378-26382

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Hybrid energy storage devices combining carbon-nanotube/polyaniline supercapacitor with lead-acid battery assembled through a “directly-inserted” method

Y. Yin, C. Liu and S. Fan, RSC Adv., 2014, 4, 26378 DOI: 10.1039/C4RA02104E

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