LAUSR

Due to the widespread employment of carbon materials in novel dual-ion batteries (DIBs) with high energy density, they possess the potential for large-scale energy storage and are inexpensive and environmentally friendly. However, drawbacks such as Al current collector corrosion and significant self-weight, as well as lithium metal abuse and poor deposition reversibility in lithium-graphite DIBs (Li-G DIBs), impair the energy density and cycle performance of Li-G DIBs, severely limiting their application potential. Therefore, an integrated electrode structure design was proposed. That is, the flexible graphite and single-wall carbon nanotubes (SWCNTs) composite cathode (GSC) which is light-weight and self-supporting, and the self-supporting lithium maetal anode, which is loaded on the flexible carbon cloth (CC) derived from waste mask (Li@CC) were prepared. Not only are the impacts of current collector corrosion and active material exfoliation avoided on the electrochemical performance, but the areal loading of Li metal is also regulated and its reversibility of deposition is enhanced. At a current density of 200 mA g -1 , the constructed Li@CC//GSC full cell can release a specific capacity of 100.5 mA h g -1 , and the capacity retention rate after 300 cycles is greater than 80%. Moreover, the fabricated flexible Li@CC//GSC full cell is not only recyclable and produces less environmental pollution, but also has potential applications in wearable devices.