US Navy develops underwater wireless battery-charging tech

The US Department of Defence’s Space and Naval Warfare Systems Center Pacific (SPAWAR) has developed a wireless charge system for underwater deployment.

Un-crewed underwater vessels’ (UUVs’) main applications, SPAWAR says, is a good development as recharging batteries by either landing or docking with a surface ship “exposes the warfighter and impose limitations on remote autonomous operations.”

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The wireless recharging project started with a basic demonstration: project manager Wayne Liu showed he was able to run a proof-of-concept with his mobile phone, protected in a plastic bag, charging on a pad.

That demo worked well enough that SPAWAR researchers want to see standards created for “underwater wireless power transfer devices”.

 

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