| abstract |
Porous metal-containing materials are provided for a variety of uses including filters, electrodes for batteries and fuel cells, light weight structural materials, heat exchangers and catalysts. A method is provided for making the porous metal-containing materials involving vapor phase sintering of a metal oxide green form followed by reduction to form a porous metal-containing material, typically without any significant shrinkage of the sample occuring during the processing. The porous metal-containing materials may have porosities of from about 40 % to as high as 90 % in some embodiments. Furthermore, the pore volume is highly interconnected, which is particularly advantageous for many applications. |