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Purpose of Review <p>This review aims to summarize the different energy sources that have been proposed to power direct air capture (DAC) of CO<sub>2</sub>, to assess their maturity and to suggest overlooked concepts.</p> Recent Findings <p>Among the concepts based on renewable energy, the authors found that concentrated solar thermal (CST) technologies have been largely overlooked, even though they are the most cost-effective source of renewable dispatchable heat.</p>

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Powering Direct Air Capture: Overview of Existing Concepts and the Overlooked Role of Concentrated Solar Thermal Technologies

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年3月19日

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  • Enric Prats-Salvado,
  • Nathalie Monnerie,
  • Christian Sattler

摘要

Purpose of Review

This review aims to summarize the different energy sources that have been proposed to power direct air capture (DAC) of CO2, to assess their maturity and to suggest overlooked concepts.

Recent Findings

Among the concepts based on renewable energy, the authors found that concentrated solar thermal (CST) technologies have been largely overlooked, even though they are the most cost-effective source of renewable dispatchable heat.