Layered double hydroxides–polymer matrix composites: nexus materials for energy storage applications

IF 2.2 4区化学 Q2 Engineering

Chemical Papers Pub Date : 2024-08-02 DOI:10.1007/s11696-024-03624-x

Jigyasa Pathak, Poonam Singh

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Abstract

In order to overcome burgeoning energy demands along with the ecological crisis caused by dwindling amounts of fossil fuel and increasing levels of carbonaceous emission, there is an immediate need to develop economical, eco-friendly systems for energy applications. To overcome this issue, use of non-carbon materials has been suggested, but their commercial usage is limited due to intermittency and high operational costs. Currently, layered double hydroxides (LDHs) are prospective contenders for energy applications by virtue of unique physicochemical properties and excellent theoretical specific capacitance. Additionally, LDH–polymer matrix composites (PMCs) have also emerged as nexus materials in energy storage sector since they surpass disadvantages of both LDHs and polymers and broaden the horizons for their practical applications. The current review highlights applications of LDH–PMCs as supercapacitors in terms of maximum specific capacitance, energy density, power density, and rate capability along with insights into mechanism of capacitance, thereby outlining their utility in energy storage.

Graphical abstract

Abstract Image

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层状双氢氧化物-聚合物基复合材料：储能应用的关键材料

化石燃料日益减少，碳排放水平不断提高，造成了生态危机，为了解决日益增长的能源需求，当务之急是开发经济、环保的能源应用系统。为解决这一问题，有人建议使用非碳材料，但由于其间歇性和高运行成本，其商业用途受到限制。目前，层状双氢氧化物（LDH）凭借其独特的物理化学特性和出色的理论比电容，有望成为能源应用领域的竞争者。此外，层状双氢氧化物-聚合物基复合材料（PMC）也已成为储能领域的核心材料，因为它们超越了层状双氢氧化物和聚合物的缺点，拓宽了实际应用的视野。本综述重点介绍了 LDH-PMC 作为超级电容器在最大比电容、能量密度、功率密度和速率能力方面的应用，以及对电容机理的见解，从而概述了它们在储能领域的用途。

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来源期刊

Chemical Papers Chemical Engineering-General Chemical Engineering

CiteScore

3.30

自引率

4.50%

发文量

590

期刊介绍： Chemical Papers is a peer-reviewed, international journal devoted to basic and applied chemical research. It has a broad scope covering the chemical sciences, but favors interdisciplinary research and studies that bring chemistry together with other disciplines.