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

Controlled-Potential Coulometry: Electrolytic Methods01:17

Controlled-Potential Coulometry: Electrolytic Methods

126
Controlled-potential coulometry, also known as potentiostatic coulometry, employs a three-electrode system in which the working electrode's potential is precisely regulated using a potentiostat. Platinum working electrodes are utilized for positive potentials, while mercury pool electrodes are favored for extremely negative potentials. The platinum counter electrode is separated from the analyte using a membrane or salt bridge to avoid interference in the analysis.
The chosen potential...
126
Controlled-Current Coulometry: Overview01:27

Controlled-Current Coulometry: Overview

149
Controlled current coulometry, also known as amperostatic coulometry, is a technique used in electrochemical analysis to measure the quantity of a substance through the controlled passage of current. It involves the application of a constant current to an electrochemical cell containing the analyte of interest. As the current flows through the cell, the analyte undergoes a redox reaction at the electrode surface, resulting in a charge transfer. By monitoring the time required for a certain...
149
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

152
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
152
Electrolysis03:00

Electrolysis

25.9K
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...
25.9K
Interfacial Electrochemical Methods: Overview01:06

Interfacial Electrochemical Methods: Overview

215
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...
215
Ion-Exchange Chromatography01:09

Ion-Exchange Chromatography

301
Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...
301

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

Colonization of bioelectrochemical system biofilms by low-adhesive denitrifiers: Promotion by electroactive bacteria.

Environmental research·2026
Same author

Control of aromatic halogenated disinfection byproducts in chlorinated and chloraminated drinking water through pre-oxidation: Effects and mechanisms.

Water research·2026
Same author

Carbon Reallocation Driven by Aerobic-Anoxic Alternation during Methanotrophic Metabolism.

Environmental science & technology·2026
Same author

Low atmospheric pressure of plateau environments shapes microbial communities, nitrogen conversion, and carbon metabolism in biological nitrogen removal systems.

Environmental research·2025
Same author

A new perspective of simultaneous exposure of risk factors to explore the role of ambient temperature associated with mortality.

Environment international·2025
Same author

Adsorption of phosphates on a novel eggshell Ca-modified anaerobic sludge-based biochar: Adsorption performance and mechanism.

PloS one·2025

相关实验视频

Updated: May 26, 2025

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions
08:41

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions

Published on: September 7, 2018

8.8K

在流电极电容性去离子化中,基于双相流量模型的电荷透的优化.

Hongyang Wang1, Chufeng Shi2, Guangcan Zhu3

  • 1State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, PR China.

Water research
|February 22, 2025
PubMed
概括

流电极电容离离子化 (FCDI) 中优化的流通道显著提高导电性,减少能源消耗. 新的蛇形和形设计增强了颗粒收集器碰撞,降低了整个海水淡化能源消耗.

关键词:
节能节能节能节能节能节能节能流通路优化流通道优化流量模拟的流量模拟.淡化水是为了淡化水.

更多相关视频

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone
08:06

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone

Published on: February 23, 2017

8.4K
Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow
09:45

Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow

Published on: February 4, 2011

27.4K

相关实验视频

Last Updated: May 26, 2025

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions
08:41

Generation and Control of Electrohydrodynamic Flows in Aqueous Electrolyte Solutions

Published on: September 7, 2018

8.8K
Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone
08:06

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone

Published on: February 23, 2017

8.4K
Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow
09:45

Separating Beads and Cells in Multi-channel Microfluidic Devices Using Dielectrophoresis and Laminar Flow

Published on: February 4, 2011

27.4K

科学领域:

  • 材料科学 材料科学 材料科学
  • 电化学 电化学 电化学
  • 流体动力学 流体动力学

背景情况:

  • 流电极电容脱离离子 (FCDI) 是一种有前途的海水淡化方法,但高流电极电阻限制了其能源效率.
  • 了解粒子收集器相互作用对于提高FCDI性能至关重要.

研究的目的:

  • 模拟和分析FCDI流电极中的碰撞和电荷转移.
  • 调查流通道设计对电极导电性和能源消耗的影响.
  • 为提高FCDI性能提出和评估新的流通道几何形状.

主要方法:

  • 利用基于CFD-DEM的双相流量模型来模拟粒子动力学和电荷转移.
  • 在不同流速和碳载荷下,研究了直线和蛇形通道中的导电性.
  • 设计并模拟了两个优化的通道:一个带有障碍的蛇形通道 (FCDI-O) 和一个曲的通道 (FCDI-Z).
  • 采用稳态电化学模型来分析能源消耗分布.

主要成果:

  • 粒子收集器碰撞被确定为流电极导电性的关键.
  • FCDI-O和FCDI-Z通道显著增加了导电率 (分别为80.4%和188.3%).
  • 淡化能源消耗量减少了21.3% (FCDI-O) 和25.1% (FCDI-Z). 淡化能源消耗量减少了21.3% (FCDI-O) 和25.1% (FCDI-Z). 淡化能源消耗量减少了21.3% (FCDI-O) 和25.1% (FCDI-Z).
  • 与FCDI-O相比,FCDI-Z通道的能耗较低,流电极能耗比例较小.

结论:

  • 优化的流通道设计,特别是齐克扎克 (FCDI-Z),通过提高导电性,大幅提高FCDI效率.
  • 通过改进道几何学来降低流电极电阻是降低整体海水淡化能耗的关键.
  • 这项研究为开发实用,节能的FCDI系统提供了宝贵的见解.