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Related Concept Videos

Ionic Strength: Effects on Chemical Equilibria01:19

Ionic Strength: Effects on Chemical Equilibria

2.5K
The addition of an inert ionic compound increases the solubility of a sparingly soluble salt. For example, adding potassium nitrate to a saturated solution of calcium sulfate significantly enhances the solubility of calcium sulfate. Le Châtelier's principle cannot predict this shift in the equilibrium. Instead, this could be explained in terms of changes in the effective concentration of the ions in solution in the presence of added inert salt.
In this solution, the primary...
2.5K
Ionic Bonds00:42

Ionic Bonds

127.7K
Overview
When atoms gain or lose electrons to achieve a more stable electron configuration they form ions. Ionic bonds are electrostatic attractions between ions with opposite charges. Ionic compounds are rigid and brittle when solid and may dissociate into their constituent ions in water. Covalent compounds, by contrast, remain intact unless a chemical reaction breaks them.
Opposing Charges Hold Ions Together in Ionic Compounds
Ionic bonds are reversible electrostatic interactions between ions...
127.7K
Introduction to Electrolytes01:33

Introduction to Electrolytes

15.1K
In humans, electrolytes play a vital role in various physiological processes. Balancing electrolyte levels is essential for normal body functions; their imbalance can be life-threatening. The major electrolytes include sodium, potassium, chloride, calcium, phosphate, and bicarbonate. They are primarily involved in physiological processes, such as nerve signal transmission, membrane trafficking, muscle contraction, buffering body fluids, and balancing water levels in the body.
Role of Sodium
One...
15.1K
Ion Exchange01:17

Ion Exchange

1.1K
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...
1.1K
Formation of Complex Ions03:45

Formation of Complex Ions

25.7K
A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
25.7K
Electrolyte and Nonelectrolyte Solutions02:21

Electrolyte and Nonelectrolyte Solutions

71.0K
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.
71.0K

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Related Experiment Video

Updated: Jan 15, 2026

Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature
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Synthesis of Ionic Liquid Based Electrolytes, Assembly of Li-ion Batteries, and Measurements of Performance at High Temperature

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Deep Eutectic Electrolytes Enable Anion-Derived Interfaces for High-Temperature Sodium-Ion Batteries.

Hao Wu1,2, Wanbao Wu3, Erlei Zhang2,4

  • 1School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)
|January 14, 2026
PubMed
Summary

A novel deep eutectic electrolyte (NPST) enhances sodium-ion battery stability at high temperatures. This thermally robust electrolyte prevents decomposition and dendrite growth, enabling long-lasting energy storage.

Keywords:
deep eutectic electrolyteshigh coulombic efficiencyhigh‐temperature stabilitynonflammable electrolytessodium‐ion batteries

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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
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Area of Science:

  • Materials Science
  • Electrochemistry
  • Energy Storage

Background:

  • Conventional sodium-ion batteries (SIBs) face high-temperature instability due to electrolyte decomposition and interphase issues.
  • Developing thermally robust electrolytes is crucial for advancing SIBs for large-scale applications.

Purpose of the Study:

  • To design and synthesize a stable deep eutectic electrolyte for high-temperature SIBs.
  • To investigate the electrolyte's impact on interfacial stability and electrochemical performance.

Main Methods:

  • Synthesis of a deep eutectic electrolyte (NPST) using sodium bis(fluorosulfonyl)imide and prop-1-ene-1,3-sultone.
  • Characterization of thermal and electrochemical stability.
  • Analysis of interfacial properties using X-ray photoelectron spectroscopy and time-of-flight secondary ion mass spectrometry.

Main Results:

  • NPST exhibits exceptional thermal and electrochemical stability.
  • The electrolyte promotes an inorganic-rich anion-derived interfacial phase, suppressing decomposition and metal dissolution.
  • Uniform sodium deposition and suppressed dendrite growth were observed.
  • SIB full cells with NPST retained 91.5% capacity after 3000 cycles at 60°C.

Conclusions:

  • Engineering deep eutectic electrolytes is a viable strategy to overcome electrolyte instability in high-temperature SIBs.
  • NPST offers a promising solution for next-generation interfacial design in sodium-ion batteries.