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Materials scientists make additive-free battery electrodes with nanoparticles

(Nanowerk News) Materials scientists have developed a simple, robust way to fabricate carbon-free and polymer-free, lightweight colloidal films for lithium-ion battery electrodes, which could greatly improve battery performance.
By developing a method for additive-free electrodes that maintain high conductivity, the researchers have opened new possibilities for reducing the weight and volume of batteries, while also creating a template system for studying the physics of nanoparticle electrodes.
The work, led by Richard Robinson, assistant professor of materials science and engineering, and graduate student Don-Hyung Ha, is featured in the Oct. 10 issue of Nano Letters (“Binder-Free and Carbon-Free Nanoparticle Batteries: A Method for Nanoparticle Electrodes without Polymeric Binders or Carbon Black”).
anoparticle battery electrodes deposited through electrophoretic deposition
Nanoparticle battery electrodes deposited through electrophoretic deposition could lead to lighter and more efficient batteries. At top is a schematic of the EPD process. The middle is an electron microscope image of the nanoparticle electrode.
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