Overview of transition metal-based composite materials for supercapacitor electrodes,Nanoscale Advances

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Overview of transition metal-based composite materials for supercapacitor electrodes
Nanoscale Advances ( IF 4.6 ) Pub Date : 2020-09-17 , DOI: 10.1039/d0na00573h
Mingjin Cui ₁ , Xiangkang Meng ₁

Affiliation

Supercapacitors (SCs) can bridge the gap between batteries and conventional capacitors, playing a critical role as an efficient electrochemical storage device in intermittent renewable energy sources. Transition metal-based electrode materials have been investigated extensively as a class of electrode materials for SC application, but they have some limitations due to the sluggish ion/electron diffusion and inferior electronic conductivity, restricting their electrochemical performances towards energy storage. Developing advanced transition metal-based electrode materials is crucial for high energy density along with high specific power and fast charging/discharging rates towards high performance SCs. In this review, we highlight the state-of-the-art of transition metal-based electrode materials (transition metal oxides and their composites, transition metal sulfides and their composites, and transition metal phosphides and their composites), focusing on specific morphologies, components, and power characteristics. We also provide future prospects for transition metal-based electrode materials for SCs and hope this review will shed light on the achievement of higher performance and hold great promise in vast applications for future energy storage and conversion.

中文翻译：

超级电容器电极用过渡金属基复合材料概述

超级电容器（SC）可以弥补电池和传统电容器之间的差距，作为间歇性可再生能源中的高效电化学存储装置发挥着关键作用。过渡金属基电极材料作为一类用于 SC 应用的电极材料已被广泛研究，但由于离子/电子扩散缓慢和电子电导率较差，它们具有一些局限性，限制了其储能电化学性能。开发先进的过渡金属基电极材料对于实现高性能 SC 的高能量密度、高比功率和快速充电/放电速率至关重要。在这篇综述中，我们重点介绍了过渡金属基电极材料（过渡金属氧化物及其复合材料、过渡金属硫化物及其复合材料、过渡金属磷化物及其复合材料）的最新技术，重点关注特定的形貌，元件和功率特性。我们还展望了用于超级电容器的过渡金属基电极材料的未来前景，并希望本次综述能够揭示更高性能的实现，并在未来能量存储和转换的广泛应用中带来广阔的前景。

更新日期：2020-11-03

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