TiO<sub>2</sub>-based photoreforming of alcohols as an alternative pathway for low-carbon H<sub>2</sub> evolution
低炭素水素生成の代替経路としてのTiO2ベースアルコール光改質 (AI 翻訳)
Ribeiro N. Ribeiro, Kamila R. M. Amaral, Jaqueline C. Desordi, Karen K. L. Augusto, Pablo J. Gonçalves, Christian G. Alonso, Jia Hong Pan, Cauê Ribeiro, Osmando F. Lopes, Detlef W. Bahnemann, Barbara N. Nunes, Antônio Otávio T. Patrocínio
🤖 gxceed AI 要約
日本語
本総説は、TiO2系光触媒を用いたアルコールの光改質による低炭素水素生成の基礎をまとめた。C1～C6アルコールの反応機構を比較し、分子構造が水素生成と酸化副生成物に与える影響を解析している。効率的な水素生成に向けた触媒設計の指針を提供する。
English
This review summarizes the fundamentals of alcohol photoreforming using TiO2-based photocatalysts for low-carbon hydrogen production. It systematically compares C1-C6 alcohols, analyzing how molecular complexity affects hydrogen evolution and byproduct formation, providing guidelines for rational catalyst design.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
本技術は水素社会実現に向けた低炭素水素供給の選択肢を広げる。日本の水素戦略（水素基本戦略）やNEDOの技術開発ロードマップとも関連し、アンモニアやメタネーションと並ぶ有望なグリーン水素製造技術の基礎となる。
In the global GX context
This review contributes to the global hydrogen economy by providing mechanistic insights into sunlight-driven hydrogen production from renewable alcohols, supporting the development of cost-effective green hydrogen alternatives to electrolysis.
👥 読者別の含意
🔬研究者:Provides a systematic comparison of alcohol photoreforming mechanisms on TiO2, useful for designing more efficient photocatalysts.
🏛政策担当者:Highlights the potential of photoreforming as a complementary green hydrogen technology, relevant for funding decisions and roadmap planning.
📄 Abstract（原文）
Photocatalytic H<sub>2</sub> production is a key reaction aiming at efficient solar energy conversion towards green fuels. While water splitting would be the ideal reaction for sustainable H<sub>2</sub> production, thermodynamic and kinetic constraints have so far limited its applicability. Alternatively, photoreforming of organic derivatives, particularly those derived from renewable sources, can be an economic and technical solution to promote H<sub>2</sub> evolution in parallel with the production of added-value oxidation products. Among different organic substrates, alcohol photoreforming stands out due to its large availability, cost-effectiveness, and the possibility to produce key chemical feedstocks. Such reactions have been studied since the early 70s, starting with primary alcohols such as methanol and, more recently, involving polyols such as glycerol. Despite different semiconductors having been employed as photocatalysts, fundamental understanding of the reaction mechanism is a necessary step towards the development of more efficient systems. In this manuscript, the fundamental aspects of alcohol photoreforming are reviewed, focusing on TiO<sub>2</sub>-based systems in which a vast literature is available. A systematic comparison of the light-driven reforming pathways of C1-C6 alcohols on TiO<sub>2</sub>-based photocatalysts is presented, extending from methanol to more complex substrates such as glycerol and biomass-derived compounds. The aim is to highlight how molecular complexity influences oxidative pathways, intermediate formation, hydrogen evolution, and catalyst requirements. The main findings employing different characterization techniques are summarized and corelated with surface modifications of the oxide aiming at improved H<sub>2</sub> evolution rates and selectivity for different oxidation products. The discussion can work as a tool to promote the rational development of more efficient sunlight-driven photocatalysts for photoreforming.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.20517/energymater.2026.62first seen 2026-07-01 05:07:17 · last seen 2026-07-01 05:07:25
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