Issue

Vol. 12 (2020)

Water Splitting: From Electrode to Green Energy System

https://doi.org/10.1007/s40820-020-00469-3
Xiao Li
Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, People’s Republic of China
Lili Zhao
Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, People’s Republic of China
Jiayuan Yu
Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, People’s Republic of China
Xiaoyan Liu
Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, People’s Republic of China
Xiaoli Zhang
School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
Hong Liu
Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, People’s Republic of China
Weijia Zhou
Collaborative Innovation Center of Technology and Equipment for Biological Diagnosis and Therapy in Universities of Shandong, Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan 250022, People’s Republic of China

Corresponding Author: Weijia Zhou

ifc_zhouwj@ujn.edu.cn

Nano-Micro Letters, Vol. 12 (2020), Article Number: 131

Abstract

Hydrogen (H2) production is a latent feasibility of renewable clean energy. The industrial H2 production is obtained from reforming of natural gas, which consumes a large amount of nonrenewable energy and simultaneously produces greenhouse gas carbon dioxide. Electrochemical water splitting is a promising approach for the H2 production, which is sustainable and pollution-free. Therefore, developing efficient and economic technologies for electrochemical water splitting has been an important goal for researchers around the world. The utilization of green energy systems to reduce overall energy consumption is more important for H2 production. Harvesting and converting energy from the environment by different green energy systems for water splitting can efficiently decrease the external power consumption. A variety of green energy systems for efficient producing H2, such as two-electrode electrolysis of water, water splitting driven by photoelectrode devices, solar cells, thermoelectric devices, triboelectric nanogenerator, pyroelectric device or electrochemical water–gas shift device, have been developed recently. In this review, some notable progress made in the different green energy cells for water splitting is discussed in detail. We hoped this review can guide people to pay more attention to the development of green energy system to generate pollution-free H2 energy, which will realize the whole process of H2 production with low cost, pollution-free and energy sustainability conversion.


Highlights:


1 Bifunctional electrode and electrolytic cell configuration for electrochemical water splitting are reviewed.
2 The different green energy systems powered water splitting are summarized and discussed.
3 An outlook of future research prospects for the development of green energy system powered water splitting in practical application process is proposed.

Keywords

Water splitting Electrode Green energy system Renewable energy Hydrogen production
Li, Xiao, Lili Zhao, Jiayuan Yu, Xiaoyan Liu, Xiaoli Zhang, Hong Liu, and Weijia Zhou. 2020. “Water Splitting: From Electrode to Green Energy System”. Nano-Micro Letters 12 (June):131. https://doi.org/10.1007/s40820-020-00469-3.
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