 Graphene has been gaining increasing attention due to its unique properties such as high electrical, mechanical, and optical performance. It can be used to construct flexible devices with improved performance compared to traditional materials. Recent advances in the synthesis and applications of graphene-based composites have been reviewed, including graphene oxide, GO, and reduced graphene oxide, RGO. These composites have potential applications in energy harvesting, clean energy storage, and wearable-slash-portable electronics. Challenges and difficulties associated with the development of these composites are also discussed. This article was authored by Amir Rezak, Faisa Bibi, Shao Shao Zheng, and others.