Development of Graphene Batteries for Use in Space Applications

This project aims to develop a technology for to the preparation of scalable graphene anodes for lithium ion batteries (LIBs). The anodes are comprised of functionalized graphene sheets with basal plane nanoholes and assembled in a densely-packed covalently- linked framework. The anodes are further prelithiated using a commercially scalable process, which enriches the electrodes with Li ions and forms a stable interface for increased cycling stability. The fabricated graphene-based anodes are assembled in full cells with standard LiFePO4 cathodes to demonstrate energy density capability and cycling performance (500 cycles in Phase I). Both coin cells and pouch cells will be assembled and tested using standard electrochemical techniques and LEO cycling test.