Aqueous Asymmetric Supercapacitors with Pyrenetetraone-Derived Pseudocapacitive Polymer-Functionalized Graphene Cathodes Enabling a 1.9 V Operating Window

IF 6.2 Q2 ENERGY & FUELS Advanced Energy and Sustainability Research Pub Date : 2024-04-06 DOI:10.1002/aesr.202470008
Cheng Peng, Cong Guo, Yu Wang, Yafei Li, Xiaoyan Zhang
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Abstract

Aqueous Asymmetric Supercapacitors

Three distinct types of pyrene-4,5,9,10-tetraone (PYT)-based polymers are integrated noncovalently with graphene to serve as cathodic materials in asymmetric supercapacitors, each exhibiting varied electrochemical performance. When paired with annealed Ti3C2Tx as the anode, the most optimized assembled asymmetric device achieves a peak energy density of 38.1 Wh kg−1 at a power density of 950 W kg−1. More details can be found in article number 2300217 by Xiaoyan Zhang and co-workers.

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使用源自吡咯烷酮的伪电容性聚合物功能化石墨烯阴极的水性不对称超级电容器可实现 1.9 V 的工作窗口
水性不对称超级电容器 将三种不同类型的芘-4,5,9,10-四酮(PYT)基聚合物与石墨烯非共价地结合在一起,作为不对称超级电容器的阴极材料,每种材料都表现出不同的电化学性能。与作为阳极的退火 Ti3C2Tx 搭配使用时,最优化组合的非对称装置在功率密度为 950 W kg-1 时达到了 38.1 Wh kg-1 的峰值能量密度。更多详情,请参阅张晓燕及其合作者撰写的第 2300217 号文章。
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CiteScore
8.20
自引率
3.40%
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期刊介绍: Advanced Energy and Sustainability Research is an open access academic journal that focuses on publishing high-quality peer-reviewed research articles in the areas of energy harvesting, conversion, storage, distribution, applications, ecology, climate change, water and environmental sciences, and related societal impacts. The journal provides readers with free access to influential scientific research that has undergone rigorous peer review, a common feature of all journals in the Advanced series. In addition to original research articles, the journal publishes opinion, editorial and review articles designed to meet the needs of a broad readership interested in energy and sustainability science and related fields. In addition, Advanced Energy and Sustainability Research is indexed in several abstracting and indexing services, including: CAS: Chemical Abstracts Service (ACS) Directory of Open Access Journals (DOAJ) Emerging Sources Citation Index (Clarivate Analytics) INSPEC (IET) Web of Science (Clarivate Analytics).
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