中国科学院长春光学精密机械与物理研究所

QQ客服 官方微博 反馈留言

	Laser-induced periodic surface structured electrodes with 45% energy saving in electrochemical fuel generation through field localization
	C. S. Saraj; S. C. Singh; G. Verma; R. A. Rajan; W. Li and C. L. Guo
	2022
发表期刊	Opto-Electronic Advances
ISSN	2096-4579
卷号	5期号:11页码:16
摘要	Electrochemical oxidation/reduction of radicals is a green and environmentally friendly approach to generating fuels. These reactions, however, suffer from sluggish kinetics due to a low local concentration of radicals around the electrocatalyst. A large applied electrode potential can enhance the fuel generation efficiency via enhancing the radical concentration around the electrocatalyst sites, but this comes at the cost of electricity. Here, we report about a similar to 45% saving in energy to achieve an electrochemical hydrogen generation rate of 3x10(16) molecules cm(-2) s(-1) (current density 10 mA/cm(2)) through localized electric field-induced enhancement in the reagent concentration (LEFIRC) at laser-induced periodic surface structured (LIPSS) electrodes. The finite element model is used to simulate the spatial distribution of the electric field to understand the effects of LIPSS geometric parameters in field localization. When the LIPSS patterned electrodes are used as substrates to support Pt/C and RuO2 electrocatalysts, the eta(10 )overpotentials for HER and OER are decreased by 40.4 and 25%, respectively. Moreover, the capability of the LIPSS-patterned electrodes to operate at significantly reduced energy is also demonstrated in a range of electrolytes, including alkaline, acidic, neutral, and seawater Importantly, when two LIPSS patterned electrodes were assembled as the anode and cathode into a cell, it requires 330 mVs of lower electric potential with enhanced stability over a similar cell made of pristine electrodes to drive a current density of 10 mA/cm(2). This work demonstrates a physical and versatile approach of electrode surface patterning to boost electrocatalytic fuel generation performance and can be applied to any metal and semiconductor catalysts for a range of electrochemical reactions.
DOI	10.29026/oea.2022.210105
URL	查看原文
收录类别	sci ; ei
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66794
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	C. S. Saraj,S. C. Singh,G. Verma,et al. Laser-induced periodic surface structured electrodes with 45% energy saving in electrochemical fuel generation through field localization[J]. Opto-Electronic Advances,2022,5(11):16.
APA	C. S. Saraj,S. C. Singh,G. Verma,R. A. Rajan,&W. Li and C. L. Guo.(2022).Laser-induced periodic surface structured electrodes with 45% energy saving in electrochemical fuel generation through field localization.Opto-Electronic Advances,5(11),16.
MLA	C. S. Saraj,et al."Laser-induced periodic surface structured electrodes with 45% energy saving in electrochemical fuel generation through field localization".Opto-Electronic Advances 5.11(2022):16.

条目包含的文件		下载所有文件
文件名称/大小	文献类型	版本类型	开放类型	使用许可
Laser-induced period（5542KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	浏览 下载

个性服务

推荐该条目

保存到收藏夹

查看访问统计

导出为Endnote文件

谷歌学术

谷歌学术中相似的文章

[C. S. Saraj]的文章

[S. C. Singh]的文章

[G. Verma]的文章

百度学术

百度学术中相似的文章

[C. S. Saraj]的文章

[S. C. Singh]的文章

[G. Verma]的文章

必应学术

必应学术中相似的文章

[C. S. Saraj]的文章

[S. C. Singh]的文章

[G. Verma]的文章

相关权益政策

暂无数据

收藏/分享

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。