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Related Concept Videos

Schottky Barrier Diode01:27

Schottky Barrier Diode

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Schottky barrier diodes are specialized semiconductor devices characterized by their unique construction. This construction involves combining a metal layer with a moderately doped n-type semiconductor material. This combination leads to the formation of a Schottky barrier, a pivotal element that defines the diode's operational characteristics. The core functionality of Schottky barrier diodes is their capacity to allow current to flow in only one direction due to their distinctive...
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Few compounds act as strong acids. A far greater number of compounds behave as weak acids and only partially react with water, leaving a large majority of dissolved molecules in their original form and generating a relatively small amount of hydronium ions. Weak acids are commonly encountered in nature, being the substances partly responsible for the tangy taste of citrus fruits, the stinging sensation of insect bites, and the unpleasant smells associated with body odor. A familiar example of a...
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Related Experiment Video

Updated: Jan 10, 2026

Identification and Quantification of Decomposition Mechanisms in Lithium-Ion Batteries; Input to Heat Flow Simulation for Modeling Thermal Runaway
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Self-Discharge Decomposition of LiH Using a Metal-Insulator-Metal Diode.

Michael B Li1, Lili Zhou1, Isabelle Winardi2

  • 1Chemelectronics LLC, 440 Hindry Avenue, Unit E, Inglewood, California 90301, United States.

ACS Applied Materials & Interfaces
|November 20, 2025
PubMed
Summary
This summary is machine-generated.

Bulk lithium hydride (LiH) decomposes at moderate temperatures, enabling self-discharge. This discovery is key for producing high-purity lithium metal and advancing energy storage solutions.

Keywords:
lithiationlithium hydridemetal–insulator–metal diodeself-discharge decompositionsolvent-assisted ion conductivitythermally activated ion conductivity

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Area of Science:

  • Materials Science
  • Electrochemistry
  • Solid-state Chemistry

Background:

  • Bulk lithium hydride (LiH) is a high-density energy compound known for thermal stability and electronic insulation.
  • Its decomposition characteristics at lower temperatures are not well-understood, limiting potential applications.

Purpose of the Study:

  • To investigate the self-discharge decomposition of bulk LiH under various conditions.
  • To elucidate the mechanisms driving LiH decomposition at reduced temperatures.
  • To explore the implications for lithium metal production and energy storage.

Main Methods:

  • Utilizing a wired palladium/LiH/aluminum (Pd/LiH/Al) diode setup.
  • Conducting experiments at elevated temperatures (80 °C) and room temperature under vacuum.
  • Employing dimethyl sulfoxide (DMSO) as a solvent-assisted agent.

Main Results:

  • Successful self-discharge decomposition of bulk LiH was achieved at 80 °C and room temperature.
  • The decomposition mechanism involves thermally activated ion mobility or solvent-assisted ionic conductivity.
  • Palladium's hydrogen affinity drives H- extraction, while electron flow to aluminum facilitates Li+ reduction.

Conclusions:

  • Low-temperature self-discharge decomposition of LiH is feasible, offering a novel pathway for material processing.
  • This process holds significant promise for high-purity lithium metal production.
  • The findings contribute to the development of advanced energy storage technologies.