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二酸化炭素の地質利用・貯留に向けた多機能ナノ材料：応用と技術的課題

Multifunctional Nanomaterials for the Carbon Dioxide Geological Utilization and Storage: Applications and Technical Challenges (原題)

Shen Mao, Pengwei Fang, Yan Zhu, Qun Zhang, Meiwen Cao

Nanomaterials📚 査読済 / ジャーナル2026-10-25#CCUSOrigin: CN経営インパクト: コスト削減対象セクター: power
DOI: 10.3390/nano16211359
原典: https://doi.org/10.3390/nano16211359

🤖 gxceed AI 要約

日本語

本レビューは、CCUSのうちCO2地質利用・貯留（CGUS）の効率向上に向けたナノ材料の応用可能性を整理する。金属酸化物、炭素系、二酸化ケイ素などの無機ナノ材料の特性と機能化の可能性を概観し、安定性・スケール生産・環境リスクといった実装上の課題を指摘する。今後の研究方向と技術的基盤を提示する。

English

This review surveys nanomaterials for enhancing CO2 geological utilization and storage (CGUS), a key CCUS pathway. It examines metal oxide, carbon-based, and inorganic (e.g., SiO2) nanomaterials, their functionalization potential, and barriers such as stability, scalable production, and environmental risk. It outlines research gaps and future directions to advance CGUS efficiency.

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

日本はCCUSをGX実現の重点技術と位置づけ、製油所・発電所での分離回収や国内貯留適地の検討を進める。本レビューは材料面の技術課題を整理するもので、日本のCCUS実装・コスト低減戦略を検討する読者に基礎的知見を提供する。

In the global GX context

Globally, CCUS is central to net-zero pathways and hard-to-abate sector decarbonization, and is increasingly linked to carbon markets and transition finance. This review contributes materials-science insight into cost and efficiency barriers that determine CCUS scalability and bankability.

👥 読者別の含意

🔬研究者:CGUS向けナノ材料の機能化・安定性・スケールアップに関する研究課題の全体像を得られる。

🏢実務担当者:CCUSプロジェクトのコスト・効率改善に資する材料技術の選択肢と実装上の制約を把握できる。

🏛政策担当者:CCUS技術の実装障壁（コスト・環境リスク）を踏まえた技術支援・規制設計の参考になる。

📄 Abstract（原文）

As global warming intensifies, carbon dioxide (CO2) has become one of the primary contributors to climate change. Carbon capture, utilization, and storage (CCUS) technology represents one of the most effective methods for reducing CO2 emissions, offering a promising solution by capturing CO2 and either utilizing it or storing it in underground reservoirs for long-term sequestration. Among various CCUS strategies, CO2 geological utilization and storage (CGUS), which focuses on the geological aspects of CO2 storage and its potential utilization, plays a pivotal role. However, existing CGUS technologies still face challenges, including high costs and low efficiency. To enhance CGUS efficiency, the development of innovative technologies and materials is essential for improving the overall capability of the processes. Nanomaterials are increasingly recognized as an ideal solution for enhancing CGUS technology due to their ultra-small size, high specific surface area, exceptional physical and chemical properties, and potential for functionalization. This review examines the latest advancements in the application of nanomaterials for CGUS, focusing on the characteristics and potential of metal oxide nanomaterials, carbon-based nanomaterials, and inorganic nanomaterials, particularly silicon dioxide (SiO2). It also addresses the technical challenges that hinder the practical implementation of nanomaterials, including issues related to stability, scalable production, and environmental risks. Furthermore, the article outlines key research challenges and future directions for advancing CGUS technologies. The aim of this review is to provide a theoretical foundation and technical insights to drive innovation in CGUS technology.

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