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Photoelectrochemical Hydrogen Peroxide Production via Simultaneous Reduction and Oxidation Processes

光電気化学的過酸化水素製造：同時還元と酸化プロセスによる (AI 翻訳)

Tetsuro Soejima, S. Naya, Hiroaki Tada

Chemistry📚 査読済 / ジャーナル2026-01-27#その他Origin: Global
DOI: 10.1002/chem.202503451
原典: https://doi.org/10.1002/chem.202503451

🤖 gxceed AI 要約

日本語

本レビューは、水と酸素のみから太陽光駆動で過酸化水素を製造する光電気化学(PEC)法に焦点を当て、特にアノードとカソードで同時にH2O2を生成するH2O2/H2O2-PECセルを詳述する。水酸化反応と酸素還元反応（WOR/ORR）型、およびORR/ORR型の二つの方式を分類し、電極材料の設計とセル性能の関係を論じる。最新の研究事例を紹介し、課題と展望をまとめる。

English

This review focuses on photoelectrochemical (PEC) production of hydrogen peroxide from water and oxygen, emphasizing H2O2/H2O2-PEC cells that generate H2O2 at both anode and cathode simultaneously, potentially exceeding 100% Faradaic efficiency. It classifies two types (WOR/ORR and ORR/ORR), discusses electrode material design, reviews cutting-edge research, and outlines challenges and perspectives.

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

日本ではエネルギー集約型化学プロセスの脱炭素化が課題であり、太陽光駆動によるグリーンな過酸化水素製造技術は間接的に寄与する。ただし、本論文は気候関連開示や炭素会計とは直接関係せず、GX分野の技術的基盤として位置づけられる。

In the global GX context

While this paper does not directly address climate disclosure or carbon accounting, it contributes to the global GX agenda by advancing solar-driven chemical production as a decarbonization pathway for energy-intensive industrial processes. It offers technical insights relevant to green chemistry and renewable energy integration.

👥 読者別の含意

🔬研究者:Researchers in photoelectrochemistry and green chemistry will find a concise categorization and comparison of H2O2/H2O2-PEC cells, along with material design strategies and performance benchmarks.

📄 Abstract（原文）

ABSTRACT Hydrogen peroxide (H2O2) is an essential substance in chemistry and chemical industry, while being a clean fuel. Currently, research into green and sustainable processes for producing H2O2 is progressing rapidly, with the aim of replacing the energy‐intensive anthraquinone process used in industrial production. Among them, the photoelectrochemical (PEC) method is one that has attracted much attention, because it allows for the solar‐driven production of H2O2 from only water and oxygen. Furthermore, highly designed PEC cells enable the simultaneous production of H2O2 at the anode and cathode (H2O2/H2O2‐PEC cells). This review article focuses on the H2O2/H2O2‐PEC cells having the potential to achieve a Faraday efficiency (η) exceeding 100% for H2O2, with an emphasis on the relationship between electrode materials properties and cell performances. The H2O2/H2O2‐PEC cells can be classified into two types: one involving water oxidation reaction and oxygen reduction reaction (WOR/ORR), and a more recently developed type involving oxygen reduction reaction at both electrodes (ORR/ORR). Based on the fundamental principles of the H2O2/H2O2‐PEC cells, we discussed the electrode material design, and then review some cutting‐edge research on the WOR/ORR‐ and ORR/ORR‐PEC cells. Finally, we summarize the conclusions, and outline challenges and perspectives in this hot topic.

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