Tailoring the Hollow Structure within CoSn(OH)6 Nanocubes for Advanced Supercapacitors

Autor:	Zhiyong Yang, Chunxia Li, Fangfang Liu, Xiaowei Lv, Lei Zhang, Yanli Fang, Hui Wang
Jazyk:	angličtina
Rok vydání:	2022
Předmět:	hollow structure CoSn(OH)6 nanocubes electrode supercapacitor Organic chemistry QD241-441
Zdroj:	Molecules, Vol 27, Iss 22, p 7960 (2022)
Druh dokumentu:	article
ISSN:	27227960 1420-3049
DOI:	10.3390/molecules27227960
Popis:	The enhanced application performance of hollow-structured materials is attributed to their large surface area with more active sites. In this work, the hollow CoSn(OH)6 nanocubes with increased surface area and mesopores were derived from dense CoSn(OH)6 nanocube precursors by alkaline etching. As a result, the hollow CoSn(OH)6 nanocubes-based cathode electrode exhibited a higher area-specific capacitance of 85.56 µF cm−2 at 0.5 mA cm−2 and a mass-specific capacitance of 5.35 mF g−1 at 0.5 mA cm−2, which was more extensive than that of the dense precursor. Meanwhile, the current density was increased 4-fold with good rate capability for hollow CoSn(OH)6 nanocubes.
Databáze:	Directory of Open Access Journals
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