Forget today’s primitive energy storage devices — one day we may use “ultra batteries” made out of xenon and fluoride. Currently under development at Washington State University, these ultra-batteries can store more condensed energy than any other type of battery in existence.

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Researchers at Washington State developed the battery by placing xenon difluoride (a white crystal often used to etch silicon conductors) in a tiny diamond anvil cell (measuring two inches by three inches). The cell squeezed the xenon difluoride molecules to a million atmospheres of pressure — the same amount of pressure found halfway to the center of the planet — and triggered the molecules to store mechanical energy from the compression process as chemical energy that can be used in a number of applications.

If the research pans out, expect super-batteries to dominate the fuel cell market of the future.

+ Washington State University

Via Nature Chemistry and io9