然而，光电阳极水氧化反应速率慢的问题，严重制约了无偏压太阳能水分解效率的提升。针对这一技术 瓶颈，天津大学化工学院新能源化工团队成功研制出具有突破性的半透明硫化铟光阳极器件。"这种半 透明设计巧妙地解决了传统金属层导电与透光无法兼得的问题。"论文通讯作者、天津大学化工学院教 授王拓说，"它不仅能显著提高水氧化反应速率，还能让部分阳光穿透到达光电阴极，大幅减少了太阳 光的能量损耗，有效突破了光生电子跨界面传输的障碍。" 实验表明，该器件在完全依靠阳光驱动的独立系统中，实现了5.1%的太阳能—氢能转换效率，突破了 此前采用硅基光电阴极与全无机光电阳极在该系统5%的转换率。 （文章来源：科技日报） 记者6月17日从天津大学获悉，该校化工学院新能源化工团队在无偏压光电化学水分解制氢领域取得突 破性进展。研究团队成功开发出一种高效稳定的半透明光电阳极器件，将太阳能—氢能转换效率提升至 5.1%，创下同类系统最高纪录。这一成果为"人工树叶"研发提供了新技术路径，相关研究成果发表于国 际期刊《自然·通讯》。 随着能源危机和环境问题加剧，太阳能因其清洁可持续特性成为重要解决方案。针对太阳能间歇性问 题，无偏压太阳能水分解技术 ...

Core Insights - The research team from Tianjin University has achieved significant advancements in the field of unbiased photoelectrochemical water splitting for hydrogen production, developing a highly efficient and stable semi-transparent photoanode device that enhances the water oxidation reaction rate and improves solar-to-hydrogen conversion efficiency [1][2] Group 1: Research Breakthrough - The newly developed semi-transparent indium sulfide photoanode has demonstrated a solar-to-hydrogen conversion efficiency of 5.10%, setting a record for such systems [2] - Previous systems using silicon-based photoelectrodes and fully inorganic photoanodes had not surpassed the 5% efficiency threshold, highlighting the breakthrough potential of this new device [2] Group 2: Implications for Clean Energy - This innovation not only provides a novel solution for the design of semi-transparent photoanodes but also opens new research avenues for the development of multi-component tandem photoelectrodes [2] - The ongoing development and optimization of this technology could lead to more efficient, cheaper, and durable "artificial leaves," which may be integrated into building exteriors or large-scale "solar hydrogen stations" in deserts [2] - Solar water splitting technology is poised to become a crucial method for hydrogen production, further promoting the widespread application of clean energy [2]