Scientists at the Korea Advanced Institute of Science and Technology (KAIST) led by Song Hyun-joon have created a copper oxide based nanostructure with a capacity that is 50 percent greater than current lithium-ion batteries.
Conventional lithium-ion batteries use graphite cathodes which tend to lose their capacity due to their consumption of the lithium ions. This has lead scientists to look for a viable alternative, and Song believes copper oxide is a possible candidate.
The nanostructures produced by the scientists were in the shapes of a hexagon, a sea urchin and a ball.
When the sea urchin shaped nanostructures were used as capacitors they were able to display a full discharge of 560 milliampere-hours (mAh) versus the 372 mAh displayed when using graphite cathodes.
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