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関連する概念動画

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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関連する実験動画

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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深共晶電解質によるアニオン由来界面の実現：高温ナトリウムイオン電池に向けて

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
まとめ

新規深共晶電解質（NPST）は、高温下でのナトリウムイオン電池の安定性を向上させます。この熱的に堅牢な電解質は、分解とデンドライトの成長を抑制し、長持ちするエネルギー貯蔵を可能にします。

キーワード:
深共晶電解質高いクーロン効率高温安定性不燃性電解質ナトリウムイオン電池

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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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Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
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科学分野:

  • 材料科学
  • 電気化学
  • エネルギー貯蔵

背景:

  • 従来のナトリウムイオン電池（SIB）は、電解質の分解と界面の問題により、高温での不安定性に直面しています。
  • 熱的に堅牢な電解質の開発は、SIBの大規模応用への進展に不可欠です。

研究 の 目的:

  • 高温SIB用の安定した深共晶電解質の設計と合成。
  • 界面安定性と電気化学的性能に対する電解質の影響の調査。

主な方法:

  • ビス（フルオロスルホニル）イミドナトリウムとプロプ-1-エン-1,3-スルホンを用いて深共晶電解質（NPST）を合成しました。
  • 熱的および電気化学的安定性のキャラクタリゼーション。
  • X線光電子分光法および飛行時間型二次イオン質量分析法を用いた界面特性の分析。

主要な成果:

  • NPSTは、優れた熱的および電気化学的安定性を示します。
  • 電解質は、無機物に富むアニオン由来の界面相を促進し、分解と金属溶解を抑制します。
  • 均一なナトリウム析出と抑制されたデンドライト成長が観察されました。
  • NPSTを用いたSIBフルセルは、60°Cで3000サイクル後も容量の91.5%を維持しました。

結論:

  • 深共晶電解質のエンジニアリングは、高温SIBにおける電解質の不安定性を克服するための実行可能な戦略です。
  • NPSTは、ナトリウムイオン電池における次世代界面設計のための有望なソリューションを提供します。