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Porous battery electrode for a rechargeable battery and method of making the electrode

United States Patent

August 7, 2012
View the Complete Patent at the US Patent & Trademark Office
A porous battery electrode for a rechargeable battery includes a monolithic porous structure having a porosity in the range of from about 74% to about 99% and comprising a conductive material. An active material layer is deposited on the monolithic porous structure. The pores of the monolithic porous structure have a size in the range of from about 0.2 micron to about 10 microns. A method of making the porous battery electrode is also described.
Braun; Paul V. (Savoy, IL), Zhang; Hui Gang (Shaanxi Province, CN), Yu; Xindi (Shanghai, CN)
The Board of Trustees of the University of Illinois (Urbana, IL)
12/ 575,197
October 7, 2009
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This subject matter of this application may have been funded in part by the following research grants and contracts: Department of Energy (through the Frederick Seitz Material Research Laboratory) award no. DEFG02-91 ER45439 and the U.S. Army Research Office contract/grant no. DMD19-03-1-0227. The U.S. Government may have rights in this invention.