Researchers have discovered a new mechanism to stabilize the lithium metal electrode and electrolyte in lithium metal batteries.
Researchers at the University of Tokyo and the Nagoya Institute of Technology have discovered a new mechanism to stabilize the lithium metal electrode and electrolyte in lithium metal batteries. , the scientists explain that the new mechanism, which does not depend on the traditional kinetic approach, has the potential to greatly enhance batteries’ energy density, which is the amount of energy stored relative to their weight or volume.
The researcher pointed out that in lithium-ion batteries, the lithium-ion moves from the positive electrode to the negative electrode through the electrolyte during charge and back when discharging. By introducing high-energy-density electrodes, the battery’s energy density can be improved. In this context, many studies have been conducted over the past decades to change the graphite negative electrode to lithium metal.
“The thermodynamic oxidation-reduction potential of lithium metal, which varies significantly depending on the electrolytes, is a simple yet overlooked factor that influences the lithium metal battery performance,” Yamada said.
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