Enhanced electrocatalytic activity of carbon cloth by synergetic effect of plasma and acid treatment

Tingting MEI (梅婷婷); Ming GAO (高明); Danni LIU (刘丹妮); Yu WANG (王裕); Yifan HUANG (黄逸凡)

doi:10.1088/2058-6272/abd8b4

Plasma Science and Technology > 2021 > 23(2): 25504-025504. > DOI: 10.1088/2058-6272/abd8b4

Tingting MEI (梅婷婷), Ming GAO (高明), Danni LIU (刘丹妮), Yu WANG (王裕), Yifan HUANG (黄逸凡). Enhanced electrocatalytic activity of carbon cloth by synergetic effect of plasma and acid treatment[J]. Plasma Science and Technology, 2021, 23(2): 25504-025504. DOI: 10.1088/2058-6272/abd8b4

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Enhanced electrocatalytic activity of carbon cloth by synergetic effect of plasma and acid treatment

¹ Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
² University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China

Funds: This work was funded by Shenzhen Science and Technology Innovation Committee (No. JCYJ20180507182200750).

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Received Date: October 19, 2020
Revised Date: January 03, 2021
Accepted Date: January 04, 2021

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Abstract

Abstract

Commercial carbon cloth (CC) is an ideal electrocatalysis material to produce oxygen evolution reaction (OER) due to its high conductive and 3D flexible structure, but the lacked active sites limit its application. For improving its OER performance, the present study proposed an effective method combining plasma and acid treatment to introduce oxygen-containing functional groups and produce more active sites on its surface. Compared to the pristine CC, the plasma and acid treated carbon cloth (PN-CC) delivers a reduced overpotential by 34.6% to achieve current density of 10 mA cm⁻². The Tafel slope declines from 97.5 mV dec^–1 (pristine CC) to 55.9 mV dec^–1 (PN-CC), showing an increased OER kinetic. Additionally, PN-CC electrocatalyst shows outstanding stability after 5000 cycles or 25 000 s. The combination of plasma and acid treatment shows a significant potential in surface modification for electrocatalysts.
- carbon cloth,
- electrocatalytic activity,
- plasma treatment,
- acid oxidation

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References (41)

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