各向异性微乳液电化学表征的理论框架
A Theoretical Framework for the Electrochemical Characterization of Anisotropic Micro-Emulsions
摘要：
微乳液（ME）提供了非常广泛的应用，涵盖传感，电合成，超级电容器和氧化还原液流电池。在此，我们开发了一个复杂的电化学characterzion的ME的扩散域中的空间和时间不变的各向异性通过循环伏安法（CV）的理论。通过在Ficks第一定律中引入空间相关的扩散系数，我们导出了一个修正的扩散方程来模拟所研究的ME的任何固有的各向异性。此外，通过制定一个扩展的二阶均匀六元方计划的动力学控制的两步两电子反应，我们捕捉到复杂的纠缠的化学和电化学平衡。我们的理论概念最终验证了实验CV数据的ME为基础的两步氧化还原反应的甲基紫精，铺平了道路的定量电化学表征ME。
英文摘要：
Micro emulsions (MEs) offer an exceptionally broad spectrum of applications covering sensing, electrosynthesis, supercapacitors and redox-flow batteries. Herein, we develop the theory for a sophisticated electrochemical characterizion of MEs with a spatially and time-invariant anisotropy in the diffusion domain by means of cyclic voltammerty (CV). By introducing spatially dependent diffusion coefficients into Ficks' first law, we derive a modified diffusion equation to simulate any inherent anisotropy of the ME under investigation. Moreover, by formulating an extended second-order homogeneous six-member square scheme for a kinetically controlled two-step two-electron reaction we capture the intricate entanglement of chemical and electrochemical equilibria. Our theoretical concept is finally validated by experimental CV data for the ME based two-step redox reaction of methyl-viologen which paves the way for a quantitative electrochemical characterization MEs.
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