Ultra-lightweight carbon-phenolic composite is a novel kind of heat shielding and thermal insulation unified ablation resistant charring composite material, aimed at catering the technical requirements of thermal protection system applied to lightweight deep space exploration reentrant vehicles.Such material is fabricated by padding carbonaceous 3D network skeleton with nanostructured phenolic resin aerogel, fiber surface is coated with polymer resin thin film with uniform thickness to form a rime like stru...