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Low cost, high voltage cathodes for alkali-ion batteries
US Patent 11,688,853 dated 06/27/2023.
Nrgtek Inc. has created a new, low-cost cathode material for alkali-ion battery, which does not use heavy/transition metals (cobalt, nickel, manganese, aluminum etc.). The new cathode has a higher voltage and improved energy capacity and power density than current LiB (with graphitic anodes) and NaIB systems (with hard carbon anodes).
The new cathode material is a drop-in replacement for current LiB and NaIB manufacturing lines. One of the main advantages of the patented new cathode is the use of low-cost sustainable raw materials, widely available in the US and internationally.
Discharge curve of NaIB with our cathode material in coin cells
Technology development is ongoing with new solid-state electrolytes for use in the above battery systems (lithium-, sodium- and potassium-ion batteries).
US Patents 11,101,485: background technology.
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