Details

Autor(en) / Beteiligte

• Jucai Wei
• Wu, Xu
• Xing, Siqi

Titel

A sulfite/air fuel cell for H2O2 electrosynthesis

Ist Teil von

• Green chemistry : an international journal and green chemistry resource : GC, 2023-05, Vol.25 (10), p.3940-3947

Ort / Verlag

Cambridge: Royal Society of Chemistry

Erscheinungsjahr

2023

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• H2O2 electrosynthesis is a promising alternative to the industry-dominant anthraquinone process. Unfortunately, currently, it suffers from high energy consumption. In this work, we couple the sulfite oxidation reaction with the 2e− route oxygen reduction reaction to operate as a self-driven sulfite/air fuel cell for H2O2 electrosynthesis. An Au–Pd/C catalyst is synthesized as an H2O2 electrosynthesis catalyst, which exhibits good 2e− route oxygen reduction reaction activity and selectivity. The fuel cell can realize an open cell voltage of 0.52 V and a discharge current density of 24.48 mA cm−2 at 0 V. Ammonia desulphurization wastewater is chosen as the fuel, which can achieve both H2O2 electrosynthesis cost reduction and recycling of energy and resources from waste. A long-term test demonstrates the feasibility of the sulfite/air fuel cell, which can produce electricity and H2O2 simultaneously.