光催化 H2O2 生产的挑战与前景

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Abstract： Hydrogen peroxide （H2O2） is one the 100 most important chemicals used extensively in bleaching， disinfection， synthetic chemistry industries.It is currently used asafuel indirectfuel cells.Thecurrent H2O2 production relieson the harshanthraquinone oxidationapproach.Photocatalytic H2O2 productionisa more favorablealternative from environmental， sustainability， economic viewpoints.The process requires water molecular oxygen as inputs sunlight as the sole power source.Despite these merits， thepractical application thistechnologyremains challenging.The most common bottlenecks are the photocatalyst's inadequacy， uphillthermodynamics， sluggish process kinetics， competitive backward reactions.This paper discusses these limitations highlights the proposed perspectives to improve the effciency selectivity， aiming to pave the way toward large-scale H2O2 photogeneration.

Key Words：Thermodynamics；Kinetics；Backward reaction; Side reaction;Hydrogen peroxide

关键词：热力学；动力学；逆反应；副反应；过氧化氢

中图分类号：O643

1引言

过氧化氢 （H2O2） 是一种多功能化学品，主要用作纸张、染料和纺织工业中的漂白剂。（剩余13459字）