Electrochemical methods of evaluating battery active materials, such as cathode active materials, are provided.

Positive active materials may have inactive components and active components.

Also provided are electrochemical cells fabricated with such active materials and methods of fabricating these active materials and electrochemical cells.

active and intelligent food contact materials

Provided are active materials for electrochemical cells.

Advanced and Functional Materials (Biomaterials, Nanomaterials, etc)

The active materials are connected and separated by an electrolyte.

The subject matter of the invention is a method for producing coated active materials, wherein the surfaces of the active materials are aqueously coated and the coated particles are subsequently carbonized.

Electrode materials are removed from electrochemical cells and separated into constituent active materials using magnetic separation.

Electrochemical cells containing nanostructured negative active materials and composite positive active materials and methods of fabricating such electrochemical cells are provided.

Silicon particles for active materials and electro-chemical cells are provided.

Method for rendering normally insoluble biologically active materials, such as the substituted guanidine compounds soluble in plant tissue by combining said active material with a metal chelate.

The positive-electrode mixture layers comprise positive-electrode active materials, conductive materials, and binders.

A laser device including lasing materials composed of nanoparticles in an aerosol phase.

The activation of the battery can comprise phase changes of the active materials.