Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Interfacial Electrochemical Methods: Overview01:06

Interfacial Electrochemical Methods: Overview

218
Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current...
218
Bode Plots Construction01:24

Bode Plots Construction

668
The Bode plot is an essential tool in control system analysis, mapping the frequency response of a system through a magnitude plot and a phase plot, both against a logarithmic frequency axis. To construct a Bode plot, consider the transfer function H(ω):
668

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Application of Cost Effective and Real-Time Resistivity Sensor to Study Early Age Concrete.

Sensors (Basel, Switzerland)·2023
Same author

Reversible Immunosensor for the Continuous Monitoring of Cortisol in Blood Plasma Sampled with Microdialysis.

ACS sensors·2022
Same author

Continuous biomarker monitoring with single molecule resolution by measuring free particle motion.

Nature communications·2022
查看所有相关文章

相关实验视频

Updated: Jun 6, 2025

Electrochemical Impedance Spectroscopy as a Tool for Electrochemical Rate Constant Estimation
08:41

Electrochemical Impedance Spectroscopy as a Tool for Electrochemical Rate Constant Estimation

Published on: October 10, 2018

24.8K

电化学阻抗光谱模型使用时间依赖的有限元素方法.

Yawar Abbas1, Laura van Smeden1, Alwin R M Verschueren1

  • 1imec at Holst Centre, 5656 AE Eindhoven, The Netherlands.

Sensors (Basel, Switzerland)
|November 27, 2024
PubMed
概括

一个新的有限元法 (FEM) 模型模拟了电化学阻抗光谱 (EIS) 对于交数字的电极. 该模型准确地预测了短暂的反应,并揭示了影响传感器性能的因素,这对于开发先进的生物传感器至关重要.

科学领域:

  • 电化学 电化学 电化学
  • 计算建模 计算建模
  • 传感器技术 传感器技术

背景情况:

  • 电化学阻抗光谱 (EIS) 对于特征化电化学系统至关重要.
  • 在传感器开发中,准确地建模互数字电极是必不可少的.
  • 了解离子传输和电性质是解释EIS的关键.

研究的目的:

  • 开发一个依赖时间的有限元素方法 (FEM) 模型来模拟2D交数字电极.
  • 调查各种物理现象对EIS测量的影响.
  • 为优化EIS传感器设计和性能提供见解.

主要方法:

  • 在COMSOL多物理中使用有限元法 (FEM) 进行模拟.
  • 嵌入的离子传输 (纳恩斯特-普朗克),电场 (Poisson),尾层效应和板材阻力.
  • 通过将模拟结果与实验数据进行比较来验证模型.

主要成果:

  • 该模型成功地复制了实验EIS测量的关键特征.
  • 稳定的阻抗测量需要多个激发周期.
  • 低频率 (<1 kHz) 显示显著的斯特恩层电压下降;高频率 (>100 kHz) 被板电阻主导.
  • 刺激电压幅度会影响线性,尤其是在低度时.
关键词:
这是一个COMSOL模型.电化学阻抗光谱学 电化学阻抗光谱学有限元素方法的有限元素方法.模拟器模拟器模拟器模拟器时间依赖性分析

更多相关视频

Precise Electrochemical Sizing of Individual Electro-Inactive Particles
05:03

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Published on: August 4, 2023

1.2K
Finite Element Modelling of a Cellular Electric Microenvironment
08:23

Finite Element Modelling of a Cellular Electric Microenvironment

Published on: May 18, 2021

3.4K

相关实验视频

Last Updated: Jun 6, 2025

Electrochemical Impedance Spectroscopy as a Tool for Electrochemical Rate Constant Estimation
08:41

Electrochemical Impedance Spectroscopy as a Tool for Electrochemical Rate Constant Estimation

Published on: October 10, 2018

24.8K
Precise Electrochemical Sizing of Individual Electro-Inactive Particles
05:03

Precise Electrochemical Sizing of Individual Electro-Inactive Particles

Published on: August 4, 2023

1.2K
Finite Element Modelling of a Cellular Electric Microenvironment
08:23

Finite Element Modelling of a Cellular Electric Microenvironment

Published on: May 18, 2021

3.4K

结论:

  • 开发的FEM模型提供了对EIS传感器行为的定量见解.
  • 确定了用于高频和低度测量的关键因素.
  • 该模型作为未来使用功能化电极的生物传感应用的基础.