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Related Concept Videos

The Electrical Double Layer01:30

The Electrical Double Layer

In the region where two bulk phases meet, an intricate electric charge distribution arises due to charge transfer, ion adsorption, molecular orientation, and charge distortion. This complex distribution is commonly referred to as the electrical double layer.When a solid electrode interfaces with ions in an electrolyte solution, the speed of electron transfer dictates the rates of oxidation and reduction. The electrode acquires a charge through the escape of atoms into the solution as cations or...
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Updated: May 31, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
05:33

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

An advanced model framework for solid electrolyte intercalation batteries.

Manuel Landstorfer1, Stefan Funken, Timo Jacob

  • 1Ulm University, Institute of Numerical Mathematics, Helmholtzstr.18, 89081 Ulm, Germany. Manuel.Landstorfer@uni-ulm.de

Physical Chemistry Chemical Physics : PCCP
|June 18, 2011
PubMed
Summary
This summary is machine-generated.

A new mathematical model simulates ion flux in solid electrolytes for all solid-state batteries. This model accounts for electrode diffusion and reaction kinetics, enabling analysis of interface phenomena and discharge limitations.

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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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Area of Science:

  • Materials Science
  • Electrochemistry
  • Chemical Engineering

Background:

  • Solid electrolytes, particularly lithium ion conductors, are advancing all-solid-state batteries.
  • Existing mathematical models lack comprehensive descriptions for solid electrolyte cells.

Purpose of the Study:

  • To develop a mathematical model for ion flux in solid electrolytes.
  • To analyze electrode/electrolyte interface phenomena and cell limitations in all-solid-state batteries.

Main Methods:

  • Non-equilibrium thermodynamics and functional derivatives for ion flux modeling.
  • Incorporation of intercalated ion diffusion and generalized Frumkin-Butler-Volmer kinetics.
  • Numerical simulations of interface space charge regions and cell discharge.

Main Results:

  • The model computes ion concentration at the electrode/electrolyte interface.
  • Numerical simulations reveal insights into the space charge region.
  • Discharge simulations identify key limitations in all-solid-state battery cells.

Conclusions:

  • The developed model provides a framework for understanding ion transport in solid electrolytes.
  • This approach is crucial for optimizing all-solid-state battery performance.
  • Further research can leverage this model to design improved battery systems.