The US Naval Research Laboratory (NRL) has developed a family of zinc-based batteries that could provide a safer and more affordable alternative to lithium-ion (Li-ion) batteries (LIBs).
The US Navy (USN) has been seeking an alternative to fire-prone LIBs and concerns about LIBs have led the service in some cases to ban their use on ships.
The NRL demonstrated a breakthrough for nickel-zinc (Ni-Zn) batteries, in which a 3-D zinc "sponge" replaces the powdered zinc anode traditionally used. With 3-D zinc, the battery provides energy content and recharging capabilities that rival LIBs while avoiding the safety issues that continue to plague lithium, the NRL said in a statement.
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