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Reference.org
Potassium-ion battery
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<p>A potassium-ion battery or K-ion battery (abbreviated as KIB) is a type of <a href="/facts/Battery_(electricity)/bqEpm4ue">battery</a> and analogue to <a href="/facts/Lithium-ion_battery/3L22xFhB">lithium-ion batteries</a>, using <a href="/facts/Potassium/5lcumVgo">potassium</a> <a href="/facts/Ion/wrbwhF3z">ions</a> for charge transfer instead of lithium ions. </p><p>It was invented by the Iranian/American chemist Ali Eftekhari (President of the American Nano Society) in 2004. </p>