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1870results about "Electrode rolling/calendering" patented technology

Cathode active material, method of preparing the same, and cathode and lithium battery containing the material

Composite cathode active materials having a large diameter active material and a small diameter active material are provided. The ratio of the average particle diameter of the large diameter active material to the average particle diameter of the small diameter active material ranges from about 6:1 to about 100:1. Mixing the large and small diameter active materials in a proper weight ratio improves packing density Additionally, including highly stable materials and highly conductive materials in the composite cathode active materials improves volume density, discharge capacity and high rate discharge capacity.
Owner:SAMSUNG SDI CO LTD

Particle packaging systems and methods

A dry process-based particle packaging method and system is disclosed where a matrix of dry fibrillized binder is formed so as to support one or more type of particle. Reliable and inexpensive products, including films, sheets, electrodes, batteries, capacitors, fuel cells, and / or medical devices can be thus manufactured.
Owner:TESLA INC

Electrode, method of its production, metal-air fuel cell and metal hydride cell

The invention described concerns an anode electrode comprising a hydrogen storage material / alloy and a high energy density metal. In addition a hydrogen electrocatalyst may be added to increase the hydrogen reaction rate. The high energy density metal is selected from a group consisting of Al, Zn, Mg and Fe, or from a combination of these metals. A method of production of an electrode comprising a hydrogen storage alloy and a high energy density metal is also described. The method comprises sintering or binding a high energy density metal powder and / or hydrogen storage alloy into at least one thin street, and calendaring or pressing said sheet forming the electrode. The anode electrode may be used in metal hydride batteries and metal air fuel cells.
Owner:REVOLT TECH LTD

Particles based electrodes and methods of making same

A coated electrode is provided for use in energy storage devices. The coated electrode comprises a dry particles that are fibrillized.
Owner:TESLA INC

Lithium supplement method and system of pole plate

The application relates to the technical field of production of a lithium ion battery, in particular to a lithium supplement method and system of a pole plate. The method comprises the following steps of combining a first substrate and a first lithium strip to form a first composite lithium strip, forming separation between the first lithium strip and a composite device by using a second substrate; combining the first composite lithium strip and a pole plate to be lithium-supplemented to form a lithium-supplement composite pole plate, wherein the first substrate is arranged at one side far away from the pole plate to be lithium-supplemented; and stripping and winding the first substrate to form the lithium-supplemented pole plate. The device comprises a pole plate unwinding device, a first composite lithium strip transmission device, a pole plate lithium supplement rolling device, a first pole plate stripping device and a first substrate winding device, wherein the pole plate lithium supplement rolling device comprises two press rollers arranged in opposite. The lithium supplement method and system of the pole plate, provided by the application, adopt the substrates, on one hand, the strength of the lithium strip is enhanced, on the other end, separation is formed between the lithium strip and the composite device, and thus, the lithium strip is prevented from being broken by pulling or clamping.
Owner:CONTEMPORARY AMPEREX TECH CO
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