Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Stability of Equilibrium Configuration: Problem Solving01:13

Stability of Equilibrium Configuration: Problem Solving

663
The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the tendency of an object or system to return to its equilibrium position after being disturbed. The stability of an equilibrium configuration can be analyzed by considering the potential energy function of the system and examining its behavior near the equilibrium point.
Problem-solving in the context of the stability of equilibrium configuration...
663
Resonance and Hybrid Structures02:16

Resonance and Hybrid Structures

18.0K
According to the theory of resonance, if two or more Lewis structures with the same arrangement of atoms can be written for a molecule, ion, or radical, the actual distribution of electrons is an average of that shown by the various Lewis structures.
Resonance Structures and Resonance Hybrids
The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N–O and N=O bonds.
18.0K
Complexation Equilibria: Factors Influencing Stability of Complexes01:09

Complexation Equilibria: Factors Influencing Stability of Complexes

470
In complexation reactions, metal cations are the electron pair acceptors, and the ligands are the electron pair donors. The stability of the metal complexes depends primarily on the complexing ability of the central metal ion and the nature of the ligands. Generally, the complexing ability of the metal ion depends on the size and charge of the ion. As the metal ion size increases, the stability of the metal complexes decreases, provided that the valency of the metal ion and the ligands remain...
470
Optimizing Chromatographic Separations01:15

Optimizing Chromatographic Separations

488
Optimizing chromatographic separations is crucial for obtaining clean separations in a minimum amount of time. Optimization is required for several factors, including kinetic effects related to band broadening, plate height, capacity factor, and separation factor.
Band broadening refers to spreading solute bands as they travel through the column. This broadening can impact resolution. Plate height (H) represents the length required for one theoretical plate. A lower plate height corresponds to...
488
Stability of Equilibrium Configuration01:23

Stability of Equilibrium Configuration

521
Understanding the stability of equilibrium configurations is a fundamental part of mechanical engineering. In any system, there are three distinct types of equilibrium: stable, neutral, and unstable.
A stable equilibrium occurs when a system tends to return to its original position when given a small displacement, and the potential energy is at its minimum. An example of a stable equilibrium is when a cantilever beam is fixed at one end and a weight is attached to the other end. If the weight...
521
Principal Stresses: Problem Solving01:15

Principal Stresses: Problem Solving

301
When analyzing two planes intersecting at right angles under the influence of shearing, tensile, and compressive stresses, it is essential to identify principal planes, maximum shearing stress, and principal stresses. To find the principal planes, apply a formula that equates them to twice the shearing stress divided by the difference between tensile and compressive stresses.
301

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Nano-Nickel Pinned Defective MoS<sub>2</sub> Heterostructures via Ball Milling for Improved Hydrogen Evolution.

Chemistry (Weinheim an der Bergstrasse, Germany)·2026
Same author

Surface-hydrogenation activity regulation toward robust anti-poisoning of ZrCo-based hydrogen isotope storage materials.

Chemical science·2026
Same author

π-π electron conjugation-assisted synthesis of a robust heterostructured CoO-MoO<sub>2</sub> catalyst: accelerated ammonia borane hydrolysis for hydrogen evolution.

Nanoscale·2025
Same author

A path towards high lithium-metal electrode coulombic efficiency based on electrolyte interaction motif descriptor.

Nature communications·2025
Same author

Poisoning Mechanism Map for Metal Hydride Hydrogen Storage Materials.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2024
Same author

Barriers and Facilitators of Physical Activity in People Living With HIV: A Systematic Review of Qualitative Studies.

Journal of the International Association of Providers of AIDS Care·2024

Related Experiment Video

Updated: Sep 9, 2025

Hydrogen Charging of Aluminum using Friction in Water
07:50

Hydrogen Charging of Aluminum using Friction in Water

Published on: January 28, 2020

6.0K

Resolving the Capacity-Stability-Cost Trilemma in Multi-Principal-Element Hydrogen Storage Alloys Through

Panpan Zhou1,2,3, Qianwen Zhou2, Wenzhe Liu2

  • 1School of Advanced Energy, Sun Yat-Sen University, Shenzhen, Guangdong, 518107, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|August 31, 2025
PubMed
Summary
This summary is machine-generated.

Researchers developed a novel multi-principal-element alloy (MPEA) for metal hydride hydrogen storage. This breakthrough material offers high capacity and stability under mild conditions, addressing key challenges in energy-efficient hydrogen applications.

Keywords:
cycling durabilityde‐/hydrogenation propertieslow‐pressure hydrogen storagemulti‐objective optimizationmulti‐principal element Laves‐type alloys

More Related Videos

Author Spotlight: Accelerating Discovery in Microporous Material Chemistry
07:20

Author Spotlight: Accelerating Discovery in Microporous Material Chemistry

Published on: October 6, 2023

3.7K
A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions
06:32

A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions

Published on: August 17, 2016

19.7K

Related Experiment Videos

Last Updated: Sep 9, 2025

Hydrogen Charging of Aluminum using Friction in Water
07:50

Hydrogen Charging of Aluminum using Friction in Water

Published on: January 28, 2020

6.0K
Author Spotlight: Accelerating Discovery in Microporous Material Chemistry
07:20

Author Spotlight: Accelerating Discovery in Microporous Material Chemistry

Published on: October 6, 2023

3.7K
A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions
06:32

A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions

Published on: August 17, 2016

19.7K

Area of Science:

  • Materials Science
  • Chemical Engineering
  • Energy Storage

Background:

  • Metal hydrides face a capacity-stability-cost trilemma, hindering practical hydrogen storage.
  • Current research often optimizes single parameters, lacking holistic approaches.
  • C14 Laves phase alloys are promising but require optimized design.

Purpose of the Study:

  • To propose a novel design paradigm for multi-principal-element alloys (MPEAs) in C14 Laves phases.
  • To concurrently optimize hydrogen storage capacity, stability, and cost.
  • To develop materials for energy-efficient hydrogen storage applications.

Main Methods:

  • Orchestrating A/B-side MPEAs in C14 Laves phases.
  • Elemental screening and precise composition engineering.
  • Characterization of hydrogen storage capacity, thermodynamics, and cycling stability.

Main Results:

  • An optimized Ti0.8Zr0.22Mn1.22Cr0.53(VFe)0.25 MPEA achieved 2.06 wt.% capacity at 20°C and 1.6 MPa.
  • Exceptional reversible capacity of 1.93 wt.% at 80°C with 93.7% utilization efficiency.
  • Superior structural robustness with negligible property degradation over extended cycling.

Conclusions:

  • The proposed MPEA design overcomes the capacity-stability-cost trilemma in hydrogen storage.
  • This material demonstrates superior performance compared to existing C14 Laves-phase materials.
  • Establishes new design guidelines for high-performance, cost-effective hydrogen storage materials.