A system and method for manufacturing an electrode sheet. The system includes groups of rollers having increasing diameter gradient to calendar an active material film having an initial thickness to a predetermined production thickness. The initial thickne...

A method of calendaring an electrode sheet includes positioning an electrode sheet at an inlet of a calendaring system including a roller defining a calendaring axis, the electrode sheet includes an active material layer arranged on portions of a current c...

There is provided an apparatus for manufacturing an electrode including a coated portion on which an active material is applied to foil and a non-coated portion on which the active material is not applied to the foil. The apparatus includes an elongation r...

A method for manufacturing an electrode includes feeding an electrode mixture to a first conveyor belt. The electrode mixture includes electrode active materials, conductive carbons and polymeric binders. The first conveyor belt moves the electrode mixture...

The present invention provides a porous free-standing flexible thick electrode, its fabrication method, and an aqueous hybrid ion battery made with said electrode. This free-standing flexible thick electrode provides a flexible thick electrode sheet charac...

Embodiments of the present invention provide such things as an electrode sheet having little curl for a spiral wound battery and a manufacturing method therefor. An electrode sheet is such that active material layer(s) is/are present and has/have been subj...

In a reel-to-reel method for making membrane electrode assemblies (44), a first catalyst (12) is deposited in a repeating cell pattern on a first side of a proton exchange membrane film (10). A second catalyst is deposited on the rear side of the proton ex...