Johnson Matthey Public Limited Company

3M Innovative Properties Company

Vincent J Chevrier

Jesse D Lund

Xiaohua Ma

Egbert F Figgemeier

Li Liu

An electrochemically active material is represented by general formula (I): SiSnMM[PO]&#xb7;A(I) where u, v, w, x, y, and z represent atomic % values and u+v+w+x+y+z=100, Mincludes a metal element or combinations of metal elements selected from Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zr, B, carbon, or alloys thereof, Mincludes a metal element or combinations of metal elements selected from Mg, Al, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Zr, or alloys thereof, A is an inactive phase other than a phosphate or silicide, and 0&#x3c;u&#x3c;90, 0&#x2264;v&#x3c;20, 0&#x3c;w&#x3c;50, 0&#x3c;x&#x3c;20, 0&#x3c;y&#x3c;20, and 0&#x2264;z&#x3c;50.

Anode materials for lithium ion batteries and methods of making and using same

An electrochemically active material includes, prior to incorporation in an electrochemical full cell, reversible lithium corresponding to between 4% and 50% of the reversible capacity of the electrochemically active material. The electrochemically active material has a lithium consumption rate between 0.05% and 0.2%.

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Saint Paul, MN, United States of America

Vincent J Chevrier