Journal Article all-solid-state batteries 3D printing Li-metal anodes Review Si anodes binders cathode stabilization cell-level energy densities cell-level energy density cellulose nanofibers characterization charge distribution dendrite dendrite suppression density functional theory electrical conductivity interface engineering interfaces ion conductive membranes ion diffusion lithium metal anodes lithium metal batteries metal sulfides porous lithium foams solid-state batteries stability sulfide electrolytes synthesis viscosifier