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Advanced pillared designs for two-dimensional materials in electrochemical energy storage

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Abstract

Two-dimensional (2D) materials have attracted increased attention as advanced electrodes in electrochemical energy storage owing to their thin nature and large specific surface area. However, limited interlayer spacing confines the mass and ion transport within the layers, resulting in poor rate performance. Considerable efforts have been made to deal with this intrinsic problem of pristine 2D materials. Among them, interlayer engineering through pillared designs offers abundant electrochemical active sites and promotes ion diffusion. Synergetic effects between incorporated species and 2D hosts offer much better conductivity and surface modification. As a result, 2D materials with advanced pillared designs demonstrate great enhancement of specific capacity/capacitance and rate performance. Herein, we summarize the recent progress of pillared 2D materials in relation to the intercalated species. Moreover, we highlight their typical applications in lithium-ion storage and beyond to provide some insights on future trends towards this research area.

Graphical abstract: Advanced pillared designs for two-dimensional materials in electrochemical energy storage

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Article information


Submitted
20 Jul 2020
Accepted
17 Aug 2020
First published
18 Aug 2020

This article is Open Access

Nanoscale Adv., 2020, Advance Article
Article type
Minireview

Advanced pillared designs for two-dimensional materials in electrochemical energy storage

C. Chen, N. Li, B. Wang, S. Yuan and L. Yu, Nanoscale Adv., 2020, Advance Article , DOI: 10.1039/D0NA00593B

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