Breakthrough battery could power electric vehicles for 150 miles on a single charge
An anode-free battery using Li2S as the cathode and modified Cu foil as the current collector was developed to achieve high energy density. The modification of the Cu foil with gold helps in reducing dendrite growth and improving the efficiency of lithium deposition. This new design resulted in a battery with a high energy density of 626 Wh kg−1, an initial efficiency of 69%, and stable performance over 150 cycles. This approach opens up possibilities for creating batteries with higher energy density and improved stability.
