Sustainable Fabrication of δ-MnO₂/Graphene Oxide Composites from Waste Battery Graphite via In-Situ Electrochemical Exfoliation for Supercapacitors and Aqueous Zinc-Ion Batteries

IF 4.2 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Chemical Communications Pub Date : 2025-10-01 DOI:10.1039/d5cc02065d

Kandavel Preethika Andal, Rangamannar Sanjay, Annamalai Senthil Kumar

引用次数: 0

Abstract

In situ electrochemical exfoliation of recycled battery graphite in 1 M Mn²⁺ solution produced defective graphene oxide enriched with carbon-oxygen functional groups and uniformly deposited δ-MnO₂, demonstrating excellent performance in supercapacitors (1126 F g-1 by CV at v=1 mV s-1) and aqueous zinc-ion batteries (35 mA h g⁻¹ at 0.4 A g⁻¹)

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超级电容器和水锌离子电池用废电池石墨原位电化学剥离制备δ- mno2 /氧化石墨烯复合材料

在1 M Mn 2 +溶液中对再生电池石墨进行原位电化学剥离，生成了富含碳氧官能团的缺陷氧化石墨烯，并均匀沉积了δ- mno2，在超级电容器（v=1 mV s-1时CV为1126 F -1）和水锌离子电池（0.4 A g⁻¹时CV为35 mA h -1）中表现出优异的性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Chemical Communications 化学-化学综合

CiteScore

8.60

自引率

4.10%

发文量

2705

审稿时长

1.4 months

期刊介绍： ChemComm (Chemical Communications) is renowned as the fastest publisher of articles providing information on new avenues of research, drawn from all the world''s major areas of chemical research.