Abstract: An induction heater system for manufacturing an electrode for various energy storage devices may include a power generator configured to generate power. The system may also include induction heating coils disposed adjacent to ends of at least one of a first roller or a second roller and configured to generate an electromagnetic field based on the power. The system may further include a heater plate surrounding the ends of at least one of the first or second rollers and configured to receive the electromagnetic field and generate an eddy current that generates heat on the heater plate based on electromagnetic field induction such that the generated heat is transferred to the one or both ends of at least one of the first roller or the second roller via thermal conduction.

Abstract: Energy storage devices and methods of manufacturing thereof, such as a lithium ion battery, without tabs connecting the electrode jellyroll to the can are described. A series of flags may be cut, bent and interleaved over one another to create a connection point for upper and lower collector plates within a can. The upper and lower collector plates may be welded directly to the interleaved flags to create connection points for the anode and the cathode within the energy storage device.