Recycled low-cost micro-sized silicon anodes from PV waste improve lithium-ion battery performance

https://techxplore.com/news/2024-07-recycled-micro-sized-silicon-anodes.html

"high-energy-density batteries... significant volume expansion during charge-discharge cycles overcome...  anodes stable, 99.94% average coulombic efficiency, retaining 83.13% initial capacity after 200 cycles... ether-based dual-layer solid-electrolyte interphase, composed of 3 M LiPF6 dissolved in 1:3 volume ratio of 1,3-dioxane and 1,2-diethoxyethane, flexible yet robust, holds together fractured silicon particles, improvs ionic conduction, minimizes side reactions... survived 80 cycles, 340.7 Wh kg-1 energy density"