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反応性炭素回収システムにおける（バイ）カーボネート電気還元の最近の進歩

Recent Advances of (Bi)carbonate Electroreduction in Reactive Carbon Capture Systems (原題)

Yun Lu, Ziyan Yang, Yuhang Li, Chunzhong Li

ChemSusChem📚 査読済 / ジャーナル2026-08-26#CCUSOrigin: CN対象セクター: chemical
DOI: 10.1002/cssc.71024
原典: https://doi.org/10.1002/cssc.71024
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🤖 gxceed AI 要約

日本語

本レビューは、CO2の電気化学的還元（CO2RR）と反応性炭素回収（RCC）の統合に焦点を当て、エネルギー集約的なCO2再生・分離プロセスを回避する可能性を探る。アルカリ吸収剤を用いたCO2回収で生成する（バイ）カーボネート種を直接電解原料とする技術の実現可能性を評価し、pH、濃度、添加剤、電極構成、電解セル設計などの影響を体系的に整理している。今後の研究課題と産業展開の展望を示す。

English

This review focuses on integrating CO2 electrochemical reduction (CO2RR) with reactive carbon capture (RCC) to bypass energy-intensive CO2 regeneration and separation. It assesses the technical viability of using (bi)carbonate species from alkaline absorbents as direct electrolysis feedstocks, systematically analyzing effects of pH, concentration, additives, electrode configuration, and cell design. The paper outlines research gaps and prospects for industrial deployment.

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、カーボンリサイクル技術の推進が国家戦略に位置づけられており、CO2の資源化はGX実現に寄与する。本レビューは、CO2回収・変換の統合技術の現状を整理し、国内の研究開発や実証プロジェクトへの示唆を与える。

In the global GX context

Globally, reactive carbon capture is an emerging approach to reduce energy penalties in CCUS. This review provides a systematic overview of (bi)carbonate electroreduction, informing technology developers and policymakers on the state of the art and remaining challenges for scaling up.

👥 読者別の含意

🔬研究者:Provides a structured overview of (bi)carbonate electroreduction, highlighting key parameters and research gaps for advancing RCC technology.

🏢実務担当者:Offers insights into process design considerations for integrating CO2 capture and conversion, potentially informing pilot plant development.

🏛政策担当者:Highlights the potential of RCC as a decarbonization pathway, supporting policy incentives for CCUS innovation.

📄 Abstract（原文）

The electrochemical reduction reaction of carbon dioxide (CO 2 RR) serves as a promising approach for effectively mitigating CO 2 emissions and producing value‐added chemicals. Reactive carbon capture (RCC) refers to an integration of CO 2 capture and conversion, which could bypass the energy‐intensive upstream CO 2 regeneration and downstream CO 2 separation processes. This integration is particularly attractive when using alkaline adsorbents for CO 2 capture, as they are non‐toxic, non‐volatile, and the resulting (bi)carbonate species serve as direct feedstocks for electrolysis. This review first focuses on the technical viability of RCC based on (bi)carbonate electrocatalysis and explains several metrics related to it. We compare its industrial processes with CO 2 RR and show how pH, concentration, and additives of alkaline absorbents affect the reaction. The impacts of electrode configuration, electrolyte formulation, additives, and electrolytic cell architecture on system performance are also described. Finally, prospects of this reaction pathway are presented, with the aim of accelerating this promising technology.

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