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US 2020/0052279 A1Published application
Method of preparing energy storage electrodes
OwnerTuqiang Cheninventor
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Abstract
An energy storage electrode is formed by heat-pressing preformed electrode membranes into the pore structures of a metal mesh current collector without use of any solvents. The electrodes are utilized primarily for Li-ion batteries, as well as supercapacitors. This solvent-free method for electrode preparation is more cost-efficient and environmentally-friendly, in comparison with the method involving preparation and casting slurries or pastes onto metal foil current collectors, where a solvent is required.
Claims10
A method of making an energy storage electrode comprising:
- a) forming an electrode membrane by heat-pressing a mixture of powdery materials consisting of an electrode active material, a conducting additive, and a polymer binder;
- b) forming the energy storage electrode by heat-pressing a pair of the electrode membranes sandwiching a metal mesh current collector.
Dependencies are inferred from the claim text.