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Electrolysis

Electrolysis

In a galvanic cell, the electrical work is done by a redox system on its surroundings as electrons produced by the spontaneous redox reactions are transferred through an external circuit. Alternatively, an external circuit does work on a redox system by imposing a voltage sufficient to drive an otherwise nonspontaneous reaction in a process known as electrolysis. For instance, recharging a battery involves the use of an external power source to drive the spontaneous (discharge) cell reaction in...

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Updated: Jan 9, 2026

Self-standing Electrochemical Set-up to Enrich Anode-respiring Bacteria On-site

Self-standing Electrochemical Set-up to Enrich Anode-respiring Bacteria On-site

Published on: July 24, 2018

使用无线自动电化学反应器进行脱插不对称的合成

Sara Grecchi¹, Gerardo Salinas², Malinee Niamlaem¹

¹Dipartimento di Chimica, Università degli Studi di Milano, Via Golgi 19, 20133 Milan, Italy.

Journal of the American Chemical Society

|December 10, 2025

概括

这项研究引入了一种新的电化学流反应器,它集成了和不对称合成. 这种微型无线装置可实现高效,无试剂的化学反应,

科学领域:

电化学
材料科学
有机合成

背景情况:

微型反应器对于有效的化学合成至关重要.
将多个功能集成到一个设备中可以克服传统设置的局限性.
不对称合成需要精确控制立体化学.

研究的目的:

开发第一个小型的无线电化学流动反应器,用于集成的反应物和不对称的合成.
证明该装置在执行各种反选择性转换方面的能力.
建立一个自动化,无试剂化学制造的新范式.

主要方法:

制造一个空洞的导电聚合物管,外为聚烯 (Ppy) 用于送,内层为基拉基聚合物用于催化.
使用交流电流 (AC) 协议进行电化学反应.
测试反应器在减,硫化物氧化和还原性氨化中的性能.

主要成果:

在乙烯降解中获得近量产 (99%) 和异常的反选择性 (> 99% ee).
通过直接不对称合成,成功合成了具有高立体控制率 (> 99.5% ee) 的Ugi胺.
通过三种不同的化学转换证明了反应器的多功能性.

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Electrochemical Detection of Deuterium Kinetic Isotope Effect on Extracellular Electron Transport in Shewanella oneidensis MR-1

Published on: April 16, 2018

相关实验视频

Last Updated: Jan 9, 2026

Self-standing Electrochemical Set-up to Enrich Anode-respiring Bacteria On-site

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Published on: July 24, 2018

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Aqueous Droplets Used as Enzymatic Microreactors and Their Electromagnetic Actuation

Published on: August 28, 2017

Electrochemical Detection of Deuterium Kinetic Isotope Effect on Extracellular Electron Transport in Shewanella oneidensis MR-1

Electrochemical Detection of Deuterium Kinetic Isotope Effect on Extracellular Electron Transport in Shewanella oneidensis MR-1

Published on: April 16, 2018

结论:

集成的电化学流反应器克服了质量运输的局限性,并消除了对外部的需求.
这种技术提供了无试剂和无方法来进行不对称的合成.
经过验证的预测模型支持智能化工制造平台的合理设计.