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OwnerMina T. FARAG, Terry BLUCKinventors
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Methods and systems for transferring an alkali metal film, for example, a lithium film or a sodium film, from a flexible carrier substrate, for example, a polyethylene terephthalate (PET) substrate onto a metallic-containing substrate, for example, a copper foil, is provided. The methods and systems utilize atmospheric plasma in combination within a roll-to-roll process to facilitate the transfer of the alkali metal film while etching away residue from a release layer or reaction layer formed during high-temperature deposition of the lithium film. The resulting pristine lithium surface can then be passivated. The methods and systems are especially useful for applications in lithium-ion batteries and other energy storage devices.
A flexible substrate processing system, comprising:
A flexible substrate processing system for transferring a film from a substrate, comprising:
A method for transferring a film from a substrate, comprising:
Dependencies are inferred from the claim text.