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Electroactive material

  • US 9,647,263 B2
  • Filed: 09/02/2011
  • Issued: 05/09/2017
  • Est. Priority Date: 09/03/2010
  • Status: Active Grant
First Claim
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1. A composition comprising a plurality of electroactive elongate elements and a plurality of electroactive particles, the elongate elements and particles each comprising a metal or semi-metal selected from one or more of the group consisting of silicon, tin, and germanium or mixtures thereof, characterized in thata. the elongate elements are selected from one or more of the group consisting of fibers, tubes, ribbons and flakes andb. the particles are selected from one or more of the group consisting of pillared particles, porous particles and porous particle fragments;

  • andwherein the composition has a density in the range 0.3 g/cm3 to 0.9 g/cm3 and wherein the diameter of said plurality of particles is between the diameter of the elongate elements and three times the diameter of the elongate elements.

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