Photovoltaic-driven Stable Electrosynthesis of HO in Simulated Seawater and Its Disinfection Application

Overview

Journal Chem Sci

Publisher Royal Society of Chemistry

Specialty Chemistry

Date 2024 Oct 31

PMID 39479170

Authors

Yichan Wen

Youyou Feng

Jing Wei

Ting Zhang

Chengcheng Cai

Jiyi Sun

Xufang Qian

Yixin Zhao

Affiliations

Soon will be listed here.

Abstract

Electrosynthesis of HO through O reduction in seawater provides bright sight on the HO industry, which is a prospective alternative to the intensively constructed anthraquinone process. In this work, a photovoltaic-driven flow cell system is built for the electrosynthesis of HO in simulated seawater using N-doped carbon catalysts. The N-doped carbon catalysts with multiple N-doped carbon defects can achieve a record-high HO production rate of 34.7 mol g h under an industrially relevant current density of 500 mA cm and a long-term stability over 200 h in simulated seawater (0.5 M NaCl). When driven by the photovoltaic system, a HO solution of ∼1.0 wt% in 0.5 M NaCl is also obtained at about 700 mA cm. The obtained solution is applied for disinfection of mouse wounds, with a removal rate of 100% for and negligible toxicity to living organisms. It provides bright prospects for large-scale on-site HO production and on-demand disinfection.

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