High Capacitor Low Cost Anode Carbon from Recycled Tires

摘要

The need for lower cost and higher capacity battery materials is one of the main goals of DOE and USABC in the development of Electric and Hybrid vehicles. Present materials and the processes to produce them are costly and effect battery pricing. FWD:Energy and Oak Ridge National Laboratories (ORNL) are working together to take recycled tire material and chemically alternating it into high capacity anode carbon via two unique processes developed by each of the companies. The process developed by ORNL sulfonates the rubber compound with a hot oleum bath, presses the material and then with pyrolysis changes the "cake" into a morphological tailored carbon. This process is documented to yield a carbon that yields 390 mA h with near 100% coulombic efficiency even after 100 cycles. FWD:Energy, with a license from ORNL, will take its patent pending process of microwaving the sulfonated carbon to further reduce the processing costs and enhancing the quality of the end product. The poster board presentation will show the process steps and project the substantial cost savings this innovative process offers.