"Takayoshi Sasaki and colleagues note that current technology has
almost reached its limit in terms of materials and processing, which in
turn limits the performance that manufacturers can achieve. In response,
researchers have gone to the nanoscale, but “nanocapacitors” are not
easy to make. They require harsh, difficult-to-use methods and even
then, they may not work that well.
Layers of different types of oxide nanosheets
So Sasaki’s team developed an easier way to make high-performance
“ultrathin” capacitors. The researchers found that they could use gentle
techniques and mild conditions to create a sandwich consisting of
layers of two different types of oxide nanosheets to produce an
ultrathin capacitor.
In addition, the new capacitor has a capacitance density of as high
as ∼27.5 μF (microfarads) per square centimeter, which is approximately
2000 times higher than those of currently available commercial products."
SOURCE: kurzweilai.net
Ultra-thin capacitors could acclerate development of next-gen electronics
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