Electrochemistry in confined nanoscale geometries

受限纳米几何结构中的电化学

• 批准号: 2908031
• 金额: --
• 依托单位: Imperial College London
• 依托单位国家: 英国
• 项目类别: Studentship
• 财政年份: 2022
• 资助国家: 英国
• 起止时间: 2022 至 无数据
• 项目状态: 未结题
• 来源: https://gtr.ukri.org/projects?ref=studentship-2908031
• 关键词: Electrochemistry; confined; nanoscale; geometries

Coating systems are complex multi-component and dynamic, and critical to operational lifetime and safety of engineering materials. They typically fail due to delamination caused by electrochemical reactions at alloy-coating interfaces. Some of the inter-related parameters are shown schematically below. In this project we will improve mechanistic understanding of undercoating degradation processes with particular focus on surface dissolution, oxygen reduction and polymer degradation processes (in particular in response to by-products of oxygen reduction). We aim to deconvolute how the nature and concentrations of reactive species in the confined space between metal and coating play a role in polymer degradation

涂层系统是复杂的多组分且动态的，对于工程材料的使用寿命和安全性至关重要。它们通常会因合金涂层界面处的电化学反应引起的分层而失效。下面示意性地显示了一些相互关联的参数。在这个项目中，我们将提高对底漆降解过程的机理理解，特别关注表面溶解、氧还原和聚合物降解过程（特别是对氧还原副产物的响应）。我们的目标是解开金属和涂层之间有限空间中活性物质的性质和浓度如何在聚合物降解中发挥作用