▎ 摘 要
NOVELTY - A stretchable graphene oxide solution comprises high viscosity solvent and 0.5 wt.% graphene oxide which is dispersed in high viscosity solvent. The high viscosity solvent is small molecule solvent having viscosity of 1.5 mPa.second or more at 25 degrees C. USE - Stretchable graphene oxide solution for preparation of pure graphene materials e.g. graphene fiber, graphene film, graphene aerogel, graphene nonwoven fabric (all claimed). ADVANTAGE - The solution can be made stretchable by a simple process, with high efficiency, and is environmentally-friendly. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) preparation of the stretchable solution; and (2) use of the stretchable solution for preparing pure graphene materials.