Al Al-based CuO Fe2O3 GO-based catalysts HTPB History of engineering & technology NC/GAP/nano-LLM-105 aging aluminum nanopowders burning rate burning time carbon mesosphere catalytic action catalytic combustion coated aluminum combustion combustion mode compatibility composite energetic materials compositions condensed products decomposition mechanisms electrophoretic deposition electrospinning energetic materials energetic performance free-molecular freeze drying hazardous properties