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1,3,5-Triphenylbenzene and Corannulene as Electron Receptors for Lithium Solvated Electron Solutions

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Published on: October 10, 2016

High-Purity Lithium Metal Films from Aqueous Mineral Solutions.

Olha Mashtalir¹, Minh Nguyen¹, Emilie Bodoin²

¹Center for Discovery and Innovation, Department of Chemistry and Biochemistry, The City College of New York, 160 Convent Avenue, New York, New York 10031, United States.

|August 29, 2019

Summary

This summary is machine-generated.

A new membrane-mediated electrolytic cell produces high-purity lithium thin films at room temperature. This low-energy process offers control over film morphology for advanced energy storage applications.

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Chemical Reactions in Aqueous Solutions

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Area of Science:

Materials Science
Electrochemistry
Sustainable Energy

Background:

Lithium metal is crucial for next-generation energy storage due to its high specific energy and abundance.
Current lithium production methods (evaporation, molten electrolysis) are energy-intensive, time-consuming, and offer limited microstructural control.
Purification of lithium from base metals is a significant challenge in existing production processes.

Purpose of the Study:

To develop a novel, efficient method for producing high-purity lithium thin films.
To explore a room-temperature, low-energy process for lithium metal fabrication.
To investigate the control of lithium film morphology and its impact on properties.

Main Methods:

Utilized a membrane-mediated electrolytic cell for lithium deposition.
Employed aqueous solutions as a continuous feedstock.
Varied current densities (1-10 mA/cm²) to control film morphology.
Deposited lithium thin films (5-30 μm) onto copper substrates.

Main Results:

Achieved extremely high purity of lithium with respect to base metals.
Demonstrated a quick, low-energy, one-step production process.
Successfully controlled film morphology, producing uniform nanorods, spheres, and cubes.
Observed significant influence of morphology on physical and electrochemical properties.

Conclusions:

The membrane-mediated electrolytic cell offers a superior alternative for lithium thin film production.
This method enables efficient, high-purity lithium fabrication at room temperature.
Controlled morphology allows for tailoring lithium properties for advanced energy storage.