The Conversion of Li2SnO3 Li-Ion Hybrid Supercapacitors from Pastes Containing LiCl-SnCl2 Liquid Precursors Using an Atmospheric-Pressure Plasma Jet

Author:

Chen Hong-Kai12,Chang Heng-Min12,Hong Bo-Yan12,Yu Shuo-En3,Ni I-Chih4,Wu Chih-I345,Hsu Cheng-Che6,Cheng I-Chun6ORCID,Chen Jian-Zhang123ORCID

Affiliation:

1. Institute of Applied Mechanics, National Taiwan University, Taipei City 10617, Taiwan

2. Advanced Research Center for Green Materials Science and Technology, National Taiwan University, Taipei City 10617, Taiwan

3. Graduate School of Advanced Technology, National Taiwan University, Taipei City 10617, Taiwan

4. Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei City 10617, Taiwan

5. Department of Electrical Engineering, National Taiwan University, Taipei City 10617, Taiwan

6. Department of Chemical Engineering, National Taiwan University, Taipei City 10617, Taiwan

Abstract

We fabricate lithium tin-based oxide Li2SnO3 on carbon cloth from a gel-state precursor containing LiCl and SnCl2·2H2O using a nitrogen atmospheric-pressure plasma jet (APPJ). APPJ treatment provides both a high-temperature environment for the conversion of precursor into Li2SnO3 and nitrogen plasma reactive species for electrode surface modification. Here, the best electrochemical performance for the Li2SnO3 Li-ion hybrid supercapacitors (Li–HSCs) is achieved with 480 s of APPJ processing. The areal capacity of the 480 s APPJ-processed Li2SnO3 Li–HSCs reached 46.113 mC/cm2. The results indicate that APPJ is an effective tool for the rapid conversion processing of Li2SnO3 electrodes for Li–HSCs.

Funder

Ministry of Education (MOE) in Taiwan

National Science and Technology Council in Taiwan

Publisher

MDPI AG

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