Group1, a startup company in Texas (USA), has just announced the world's first potassium-ion battery (KiB) with the industry standard size of 18650, promising to replace lithium-ion batteries.
KIB batteries, instead of containing critical minerals such as nickel, cobalt, copper and lithium, use potassium ions as the charge carrier, which helps reduce environmental impact and solve supply chain issues.
KIB technology can be compatible with existing lithium-ion battery manufacturing processes, which saves manufacturers from having to make large investments in converting production lines.
The new KIB battery has an energy density of 160 - 180 Wh/kg, equivalent to LFP batteries. In addition, KIB is capable of withstanding many charge and discharge cycles, helping to extend battery life. Therefore, this new type of battery opens up the potential for wide applications, from electronic devices to electric vehicles with increased battery life, reduced replacement costs and stable travel distance over time.
Group1 is ready to commercialize this KIB battery. The company has now started distributing KIB to leading battery and OEM manufacturers.
The advent of the 18650 potassium ion battery marks a major step forward in the search for a more sustainable and cost-effective alternative to traditional lithium-ion (LFP) batteries, and promises to bring positive changes to the electric vehicle industry and other future applications.
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