Abstract
Faced with the exhaustion of traditional energy sources, the development of new energy devices is the current priority. Supercapacitor is a new type of energy storage device with high power density and long cycle life. Carbon material, metal oxide and conductive polymer are three common electrode materials of supercapacitors. Based on China’s energy situation, this paper puts forward new ideas from coal to graphene to supercapacitors. In addition, the research progress of graphene supercapacitors is summarized, including the principle of supercapacitors, preparation methods from coal to graphene, graphene electrode materials and different modification, and some possible scientific problems in the research process of different modified graphene electrodes are also reviewed and prospected.
Highlights
Faced with the pollution and gradual exhaustion of traditional energy, the development of new energy is an effective supplement to the whole energy supply system and an important measure to control and protect the environment [1]
This paper summarizes some methods of preparing graphene from coal and some development in graphene supercapacitors at first and compares several different compounds modifying or doping on the graphene electrodes of supercapacitors, and most importantly proposes a brand new idea, from coal to graphene to supercapacitor throughout the whole article
The graphene supercapacitor prepared has the characteristics of high power, rapid charge and discharge, and strong cycle stability
Summary
Faced with the pollution and gradual exhaustion of traditional energy, the development of new energy is an effective supplement to the whole energy supply system and an important measure to control and protect the environment [1]. The development of new energy has become an important task to be solved in society today. While people are actively looking for clean and efficient renewable energy, they are focusing on energy storage, especially electric energy storage. Supercapacitor research has been a heated topic. Supercapacitor is a new type of energy storage device between traditional capacitor and rechargeable battery. Supercapacitors have long cycle life, simple mechanism, strong dynamic charge propagation, high specific energy and high specific power [2]
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
