Journal Article DFT calculations Li metal batteries Li-metal batteries Li/Li22Sn5/LiF composite Li5B4/Li composites Research Support, Non-U.S. Gov't black phosphorus capillary and physical confinement carbon/Si stretchable electrodes conformal coating corrosion resistance cycling performance dual-crosslinking electrochemical performance electrode materials fast-charging batteries high energy density high power density high-temperature operation ionic conductivity lithium ion batteries lithium-ion batteries lithium-sulfur batteries polymer electrolytes polysulfides porous electrodes red phosphorus resilience self-healing elastic polymers