Berkeley Lab scientists create microcapacitors with ultrahigh energy and power density. The microcapacitors are made with engineered thin films of hafnium oxide and zirconium oxide. The technology ...

As the federal government reimagines American energy policy this year, support for projects hinges on a new metric — density. The concept of density in energy production echoes throughout recent ...

Switching has almost always meant “hard" switching, which is simple but comes with all kinds of electrical and thermal ...

Amprius began shipping its remarkable silicone-anode batteries in 2022, laying claim to the world's highest-density battery cells along the way. It's now focusing attention on a unique use case: a ...