Journal Article Review CO2 reduction/evolution reaction Li‐CO2 batteries anode‐free lithium‐metal batteries bending and stretching vibration carbon dioxide reduction cell configuration concentration polarization degradation mechanism depth of discharge direct recycling technology direct regeneration electrocatalysts electrochemical CO2 reduction electrochemical reconstruction electrolyzer design heterogeneous catalysis hydrogen‐bond ionic conductivity lithium‐ion transfer kinetics localization of the phonon mode manganese‐based catalysts nanofluid phonon dispersion relation polymer composite materials rection microenvironment recycling methods self‐assembled monolayer spent LIBs