Electrochemical Capture of CO2 and Instant Conversion into Syngas: A Combined Mechanistic and Engineering Approach

黄1401280哥伦比亚南卡罗来纳大学稳定二氧化碳浓度被认为是减轻对气候不利影响的最好短期解决方案之一。对捕获的二氧化碳进行地质存储的一个有吸引力的替代方案是将二氧化碳循环回到燃料形式。这种技术发展的意义是巨大的：它重新平衡了生态系统中的碳循环，从而实现了可持续的能源未来。随着未来的可再生能源作为转换的投入，从二氧化碳制造合成燃料可以是一个碳中性甚至碳负的过程。拟议研究的目标是通过获取有关电化学捕获二氧化碳和将二氧化碳转化为合成燃料的化学的基础科学和工程知识，推动创新的捕获和转化一体化二氧化碳反应器的工程开发。提出的统一CO2反应器由两个新开发的用于捕获CO2/H2O的电化学膜和一个用于将CO2瞬间转化为合成气的固体氧化物电解槽组成。这种集成系统具有巨大的能源效率和成本效益潜力，为实现碳平衡生态系统提供了一种创新和可行的解决方案。特别是，这项研究将侧重于阐明平行的离子和电子输运机制，推动非均质体系中快速多离子/电子输运的科学研究。所获得的基础知识将有助于设计更有效和更复杂的离子/电子混合系统。此外，参数研究和计算分析补充了基本的理解，为系统设计和配置提供了工程见解，并可能为这种新型统一CO2反应器的商业化奠定基础。正在进行的二氧化碳捕获和转化技术领域的科学进步的重要性和潜在影响将通过南卡罗来纳大学的年度“爱迪生系列讲座”计划向公众传播。南卡罗来纳大学将与历史上一直是黑人的本尼迪克特学院联合举办关于能源研究主题的夏季研讨会，以促进少数族裔和代表性不足的学生的教育和劳动力发展。通过向当地ASME和ECS学生分会提供系列研讨会，将实施一种重点介绍和吸引本科生参与研究的方法。

Huang1401280University of South Carolina at ColumbiaStabilizing CO2 concentrations is conceived to be one of the best near term solutions to mitigating the adverse effects on climate. An appealing alternative to geologic storage of captured CO2 is to have CO2 recycled back to the fuel form. The significance of this technological development is enormous: it rebalances the carbon cycle in the ecosystem, and therefore enables a sustainable energy future. With future renewable energy as the input to the conversion, the making of synthetic fuels from CO2 can be a carbon-neutral or even carbon-negative process. The objective of the proposed research is to advance the engineering development of an innovative capture and conversion all-in-one CO2 reactor by acquiring foundational science and engineering knowledge on electrochemical capture of CO2 and conversion chemistry of CO2 into synthetic fuels. The unified CO2 reactor proposed consists of two newly developed electrochemical membranes for CO2/H2O capture and a solid-oxide electrolysis cell for instant CO2 conversion into syngas. Such an integrated system has great potential to be energy efficient and cost effective, offering an innovative and viable solution to the realization of a carbon balanced ecosystem. In a particular the research will focus on the elucidation of the parallel ionic and electronic transport mechanisms, advancing the science of fast multi-ionic/electronic transport in heterogeneous systems. The foundational knowledge gained will help design more efficient and complex mixed ionic/electronic systems. In addition, the parametric study and computational analysis complement the fundamental understanding, providing engineering insights for the system design and configuration, and potentially laying the foundation for commercialization of this novel unified CO2 reactor. The importance and potential impact of ongoing scientific advances in the area of CO2 capture and conversion technologies will be disseminated to the general public via an annual "Edison Lecture Series" program at the University of South Carolina. A joint summer workshop on energy research topic with Benedict College, a historically black college, will be held in the University of South Carolina to promote education and workforce development for minority and underrepresented students. A focused approach to introducing and engaging undergraduate students in research will be implemented by delivering seminar series to the local ASME and ECS student chapters.