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Related Concept Videos

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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...
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Ions are atoms or molecules bearing an electrical charge. A cation (a positive ion) forms when a neutral atom loses one or more electrons from its valence shell, and an anion (a negative ion) forms when a neutral atom gains one or more electrons in its valence shell. Compounds composed of ions are called ionic compounds (or salts), and their constituent ions are held together by ionic bonds: electrostatic forces of attraction between oppositely charged cations and anions. 
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Related Experiment Video

Updated: Jan 7, 2026

Rapid in-silico Battery Electrolyte Electrochemical Reaction Generation using 3T-VASP Multi-Scale Energy Minimization
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Interfacial Atomistic Evolution in Sodium-Ion Battery using a Graph-Theoretic Approach.

Yongqing Gong1, Yuxin Fan1, Yilin Chen1

  • 1Shanghai Key Laboratory for R&D and Application of Metallic Functional Materials, Institute of New Energy for Vehicles, School of Materials Science and Engineering, Tongji University, Shanghai, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)
|December 26, 2025
PubMed
Summary
This summary is machine-generated.

Sodium-ion batteries offer a sustainable alternative to lithium-ion batteries. This study models atomistic sodium-ion battery interfaces to understand solid electrolyte interphase formation for improved performance.

Keywords:
all‐solid‐state batteryatomistic modelingsodium‐ion batterysolid electrolyte interphasesolid‐state battery

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Computational Chemistry

Background:

  • Lithium-ion batteries face resource limitations; sodium-ion batteries are a promising alternative.
  • Stable solid electrolyte interphase (SEI) formation is critical for sodium-ion battery commercialization but challenging to study.
  • Traditional experimental methods are limited in elucidating SEI formation mechanisms.

Purpose of the Study:

  • To overcome limitations in experimental characterization of SEI formation in sodium-ion batteries.
  • To explore advanced electrolyte designs for stable SEI formation.
  • To deconstruct atomistic mechanisms governing SEI evolution and enhance electrochemical performance.

Main Methods:

  • Construction of fully atomistic sodium-ion battery models.
  • Utilization of a reaction network integrator based on graph theory for realistic interphase formation simulation.
  • Modeling of ether-ester hybrid electrolytes to study interfacial product and solvation structure evolution.

Main Results:

  • Detailed atomistic insights into the formation of inorganic-rich and organic-rich SEI layers.
  • Understanding of interfacial product evolution and solvation structure dynamics during SEI formation.
  • Identification of mechanisms governing SEI development in sodium-ion battery systems.

Conclusions:

  • The study provides a novel computational approach to investigate SEI formation in sodium-ion batteries.
  • Findings offer new perspectives for optimizing electrolyte design and enhancing battery electrochemical performance.
  • This research paves the way for more stable and efficient sodium-ion battery technologies.