Issue 51, 2021

On the diatomite-based nanostructure-preserving material synthesis for energy applications

Abstract

The present article overviews the current state-of-the-art and future prospects for the use of diatomaceous earth (DE) in the continuously expanding sector of energy science and technology. An eco-friendly direct source of silica and the production of silicon, diatomaceous earth possesses a desirable nano- to micro-structure that offers inherent advantages for optimum performance in existing and new applications in electrochemistry, catalysis, optoelectronics, and biomedical engineering. Silica, silicon and silicon-based materials have proven useful for energy harvesting and storage applications. However, they often encounter setbacks to their commercialization due to the limited capability for the production of materials possessing fascinating microstructures to deliver optimum performance. Despite many current research trends focusing on the means to create the required nano- to micro-structures, the high cost and complex, potentially environmentally harmful chemical synthesis techniques remain a considerable challenge. The present review examines the advances made using diatomaceous earth as a source of silica, silicon-based materials and templates for energy related applications. The main synthesis routes aimed at preserving the highly desirable naturally formed neat nanostructure of diatomaceous earth are assessed in this review that culminates with the discussion of recently developed pathways to achieving the best properties. The trend analysis establishes a clear roadmap for diatomaceous earth as a source material of choice for current and future energy applications.

Graphical abstract: On the diatomite-based nanostructure-preserving material synthesis for energy applications

Article information

Article type
Review Article
Submitted
30 7 2021
Accepted
06 9 2021
First published
28 9 2021
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2021,11, 31884-31922

On the diatomite-based nanostructure-preserving material synthesis for energy applications

P. Aggrey, M. Nartey, Y. Kan, J. Cvjetinovic, A. Andrews, A. I. Salimon, K. I. Dragnevski and A. M. Korsunsky, RSC Adv., 2021, 11, 31884 DOI: 10.1039/D1RA05810J

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