One-Pot Synthesis of Bismuth Sulfide Nanostructures as an Active Electrode Material for Aqueous Hybrid Capacitors

Adam Moyseowicz and Agata Moyseowicz
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Adam Moyseowicz: Department of Process Engineering and Technology of Polymer and Carbon Materials, Faculty of Chemistry, Wrocław University of Science and Technology, Gdańska 7/9, 50–344 Wrocław, Poland
Agata Moyseowicz: Department of Process Engineering and Technology of Polymer and Carbon Materials, Faculty of Chemistry, Wrocław University of Science and Technology, Gdańska 7/9, 50–344 Wrocław, Poland

Energies, 2021, vol. 14, issue 9, 1-13

Abstract: The high theoretical capacity of Bi 2 S 3 shows high promise as a negative electrode material for energy storage devices. Herein, we investigate a facile, one-step chemical precipitation method using common organic solvents, such as acetone, ethanol, and isopropanol, for the synthesis of Bi 2 S 3 nanostructures. The nanospherical Bi 2 S 3 from acetone (Bi 2 S 3 -A) presents the most balanced electrochemical properties, exhibiting a high specific capacity of 181 mAh g −1 at 1 A g −1 and decent rate capability. Additionally, Bi 2 S 3 -A is used as a negative electrode in an aqueous hybrid system with an activated carbon positive electrode, demonstrating a capacitance of 86 F g −1 , a specific energy of 7.6 Wh kg −1 , and an initial capacity retention of 74% after 1000 cycles.

Keywords: bismuth sulfide; electrode material; energy storage (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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