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Related Concept Videos

MOS Capacitor01:25

MOS Capacitor

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A Metal-Oxide-Semiconductor (MOS) capacitor is a fundamental structure used extensively in semiconductor device technology, particularly in the fabrication of integrated circuits and MOSFETs (metal-oxide-semiconductor field-effect transistors). The MOS capacitor consists of three layers: a metal gate, a dielectric oxide, and a semiconductor substrate.
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Ion Exchange01:17

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Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
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Electrolysis03:00

Electrolysis

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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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Potentiometry: Membrane Electrodes01:15

Potentiometry: Membrane Electrodes

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Membrane electrodes, also known as p-ion electrodes, use membranes that selectively interact with free analyte ions, generating a potential difference across the membrane. The resulting membrane potential, known as the asymmetry potential, is not zero even when analyte concentrations on both sides of the membrane are equal. The membrane's response is typically not selective to a single analyte but proportional to the concentration of all ions in the sample solution capable of interacting at...
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Electrolyte and Nonelectrolyte Solutions02:21

Electrolyte and Nonelectrolyte Solutions

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Substances that undergo either a physical or a chemical change in solution to yield ions that can conduct electricity are called electrolytes. If a substance yields ions in solution, that is, if the compound undergoes 100% dissociation, then the substance is a strong electrolyte. Complete dissociation is indicated by a single forward arrow. For example, water-soluble ionic compounds like sodium chloride dissociate into sodium cations and chloride anions in aqueous solution.
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Capillary Electrophoresis: Applications01:30

Capillary Electrophoresis: Applications

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Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
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Updated: Dec 10, 2025

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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Electrolyte Technologies for High Performance Sodium-Ion Capacitors.

Fancheng Meng1,2, Tao Long1, Bin Xu1

  • 1School of Materials Science and Engineering, Hefei University of Technology, Hefei, China.

Frontiers in Chemistry
|August 28, 2020
PubMed
Summary
This summary is machine-generated.

Sodium-ion capacitors (SIC) offer high power and long life, bridging the gap between batteries and capacitors. Recent research focuses on electrolytes, including aqueous, organic, and ionic liquid types, to enhance SIC performance.

Keywords:
aqueouselectrolytegel polymerionic liquidorganicsodium saltsodium-ion capacitor

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Sodium-ion capacitors (SIC) are promising energy storage devices due to abundant sodium sources and high performance.
  • They bridge the energy gap between batteries and supercapacitors, offering high power density and long lifespan.

Purpose of the Study:

  • To review recent advancements in electrolytes for high-performance SIC.
  • To discuss factors influencing electrochemical performance and practical considerations.

Main Methods:

  • Literature review of recent studies on SIC electrolytes.
  • Analysis of aqueous, organic, and ionic liquid based electrolytes.
  • Discussion of key performance factors and challenges.

Main Results:

  • Various electrolyte types (aqueous, organic, ionic liquid) have been developed for SIC.
  • Electrolyte properties like ionic conductivity and electrochemical stability window are critical.
  • Cost and safety are important considerations for commercialization.

Conclusions:

  • Electrolyte development is crucial for advancing SIC technology.
  • Future research should address challenges in performance, cost, and safety for next-generation SIC.