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THREE-DIMENSIONAL, POROUS ANODE FOR USE IN LITHIUM-ION BATTERIES AND METHOD OF FABRICATION THEREOF

United States Patent Application

20160049656
A1
View the Complete Application at the US Patent & Trademark Office
A three-dimensional, porous anode material suitable for use in a lithium-ion cell. The three-dimensional, porous anode material includes active anode particles embedded within a carbon matrix. The porous structure of this novel anode material allows for the expansion and contraction of the anode without the anode delaminating or breaking apart, thus improving the life-cycle of the lithium-ion cell. An example of this three-dimensional porous anode material is a porous silicon-carbon composite formed using a bi-continuous micro-emulsion (BME) template.
Laicer, Castro (Watertown, MA), Rasimick, Brian (Boston, MA), Harrison, Kate (Arlington, MA), McDonald, Robert (Stow, MA)
14/ 827,070
August 14, 2015
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with government support under NASA SBIR Phase I Grant No. NNX12CD89P entitled "A Three-Dimensional Nanoporous Silicon Anode for High-Energy Density Lithium-Ion Batteries" awarded by the United States National Aeronautics and Space Administration (NASA). The government has certain rights in the invention.