Nickel-based materials for supercapacitors

IF 21.1 1区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Today Pub Date : 2019-05-01 DOI:10.1016/j.mattod.2018.11.002

Liuyang Zhang , Diwen Shi , Tao Liu , Mietek Jaroniec , Jiaguo Yu

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引用次数: 211

Abstract

A clear understanding of energy and environmental problems stimulates exploration of clean and versatile energy sources. The majorities of sustainable energy sources are intermittent and therefore need compatible energy storage technologies. Supercapacitors have stimulated a great scientific interest due to their importance for energy storage. Electrode materials, as the key part of supercapacitors, determine their performance. Nickel oxide/hydroxide, characterized by ultrahigh theoretical capacitance and other intriguing features, has drawn considerable attention. However, its poor rate capability and low conductivity hinder its widespread application. Recently, tremendous efforts have been devoted toward resolving those issues. This review presents a concise compilation of the recent progress in the area of nickel-based materials by categorizing them into several groups based on chemical composition. Important issues associated with the fabrication and properties of these materials as well as with the improvement of their performance are discussed. The underlying reasons for the observed synergistic effects are analyzed and highlighted. Finally, the challenges and possible solutions are briefly presented with some perspectives toward future development of this group of materials.

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超级电容器用镍基材料

对能源和环境问题的清晰认识刺激了对清洁和通用能源的探索。大多数可持续能源都是间歇性的，因此需要兼容的储能技术。超级电容器由于其在能量储存方面的重要性而引起了科学界的极大兴趣。电极材料作为超级电容器的关键部件，决定着超级电容器的性能。氧化镍/氢氧化物以其超高理论电容和其他有趣的特性引起了人们的广泛关注。但其速率性能差、电导率低阻碍了其广泛应用。最近，为解决这些问题作出了巨大努力。本文简要介绍了镍基材料领域的最新进展，并根据其化学成分将其分为几类。讨论了与这些材料的制造和性能以及性能改进有关的重要问题。分析并强调了观察到的协同效应的潜在原因。最后，简要介绍了该类材料面临的挑战和可能的解决方案，并对该类材料的未来发展提出了一些展望。

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来源期刊

Materials Today 工程技术-材料科学：综合

CiteScore

36.30

自引率

1.20%

发文量

237

审稿时长

23 days

期刊介绍： Materials Today is the leading journal in the Materials Today family, focusing on the latest and most impactful work in the materials science community. With a reputation for excellence in news and reviews, the journal has now expanded its coverage to include original research and aims to be at the forefront of the field. We welcome comprehensive articles, short communications, and review articles from established leaders in the rapidly evolving fields of materials science and related disciplines. We strive to provide authors with rigorous peer review, fast publication, and maximum exposure for their work. While we only accept the most significant manuscripts, our speedy evaluation process ensures that there are no unnecessary publication delays.