Production of hydrogen and nanocarbon from direct decomposition of undiluted methane on high-nickeled Ni-Cu-alumina catalysts

Very active and stable high-nickeled Ni-Cu-alumina catalysts were used to produce hydrogen and nanocarbon by direct decomposition of undiluted methane at 773-1013 K. The growth way of nanocarbon depends on reaction temperatures and may be related with the catalyst stability.