Related Experiment Video
Updated: Jul 9, 2026

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding
Published on: March 24, 2018
Interfacial stability in a CeH2|3CeH3@BaH2|NaAlH4 cell: kinetic and thermodynamic compatibility
Ren Zou1,2, Weijin Zhang2, Jirong Cui2
1Department of Chemical Physics, University of Science and Technology of China (USTC), Hefei 230026, Anhui, P. R. China. pchen@dicp.ac.cn.
Capacity fade in hydride-ion batteries stems from both cathode degradation and anode potential shifts due to unstable interfaces. Strategies to enhance interfacial compatibility are key for improving cycling stability.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Hydride-ion batteries (HIBs) offer potential for high energy density storage.
- Understanding capacity fade mechanisms is critical for advancing HIB technology.
Purpose of the Study:
- To investigate the origins of capacity decay in a specific HIB model.
- To identify strategies for improving the cycling stability of HIBs.
Main Methods:
- Utilized a CeH2|3CeH3@BaH2|NaAlH4 hydride-ion battery model for analysis.
- Examined cathode material degradation and anode potential drift.
Main Results:
- Identified interfacial instability as a significant contributor to anode potential drift and capacity decay.
- Observed that capacity fade is a complex issue involving both cathode and anode interfacial phenomena.
Conclusions:
- Interfacial compatibility is paramount for achieving long-term cycling stability in HIBs.
- Proposed stabilization strategies targeting interfacial issues can mitigate capacity fade.
More Related Videos
06:26Orientational Transition in a Liquid Crystal Triggered by the Thermodynamic Growth of Interfacial Wetting Sheets
Published on: May 15, 2017
11:03Nanoscale Characterization of Liquid-Solid Interfaces by Coupling Cryo-Focused Ion Beam Milling with Scanning Electron Microscopy and Spectroscopy
Published on: July 14, 2022
Related Concept Videos
Stability of Substituted Cyclohexanes
The two chair conformations of cyclohexanes undergo rapid interconversion at room temperature. Both forms have identical energies and stabilities, each comprising equal amounts of the equilibrium mixture. Replacing a hydrogen atom with a functional group makes the two conformations energetically non-equivalent.
For example, in...
Cycloaddition Reactions: MO Requirements for Thermal Activation
Interfacial Electrochemical Methods: Overview
Relative Stabilities of Alkenes
Hybridization of Atomic Orbitals I
Woodward–Hoffmann Selection Rules and Microscopic Reversibility