Ricardo Mathison, Elina Rani, Meera K. Patel, Antonio Lopez Cerrato, Casey K. Bloomquist, Miguel A. Modestino
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引用次数: 0
摘要
生物质原料的电化学转化为燃料和化学品的可持续生产提供了一条前景广阔的途径,同时也加强了与可再生能源的整合。己二腈是尼龙 6,6 生产的关键中间体,主要通过热化学工艺或依赖化石燃料原料的方法生产。另外,它也可以通过生物质衍生的 3-氰基丙酸的科尔比偶联反应生产,其实际应用取决于对决定反应选择性的因素的理解和控制。在本研究中,我们建立了这种方法中电解质成分、电化学条件和性能指标之间的关系,在电流密度高达 500 mA cm-2 的情况下,己二腈的最大远动效率达到 40%。通过实施半自主的高通量电化学工作流程,我们测试了数百种反应条件,加快了对反应参数的探索。这项研究得出的限制和指导原则适用于一系列电化学脱羧反应,加速研究方法显示了加快开发可持续电化学过程的潜力。
Accelerated analysis of the electrochemical production route for biomass-derived adiponitrile
The electrochemical transformation of biomass feedstocks offers a promising route for the sustainable production of fuels and chemicals, enhancing integration with renewable energy sources. Adiponitrile, a key intermediate in nylon 6,6 production, is mainly produced through thermochemical processes or methods relying on fossil fuel feedstocks. Alternatively, it can be produced through the Kolbe coupling of biomass-derived 3-cyanopropanoic acid, with its practical implementation hinging on understanding and controlling factors that dictate reaction selectivity. In this study, we establish relationships between electrolyte composition, electrochemical conditions, and performance metrics in this approach, achieving a maximum faradic efficiency of 40% toward adiponitrile at current densities up to 500 mA cm−2. Implementing a semi-autonomous high-throughput electrochemical workflow, we tested hundreds of reaction conditions, accelerating the exploration of reaction parameters. Limitations and guidelines obtained from this study apply to a range of electrochemical decarboxylation reactions, and the accelerated research approach shows potential for speeding up the development of sustainable electrochemical processes.
期刊介绍:
Chem Catalysis is a monthly journal that publishes innovative research on fundamental and applied catalysis, providing a platform for researchers across chemistry, chemical engineering, and related fields. It serves as a premier resource for scientists and engineers in academia and industry, covering heterogeneous, homogeneous, and biocatalysis. Emphasizing transformative methods and technologies, the journal aims to advance understanding, introduce novel catalysts, and connect fundamental insights to real-world applications for societal benefit.