Journal Article ionic conductivity magnesium batteries polymer electrolytes Griffith theory of brittle fracture LiH NASICON Review Zn-ion batteries anode failure anode-free batteries artificial solid electrolyte interphase bipolar and pouch cells borates carbonate electrolytes cathode materials cathodes chemisorption effect conduction mechanism cross-talk current homogenization dendrite suppression diffusion limited theory diffusion-control buffer zone electro-chemo-mechanical failure fusion bonding geometric confinement hierarchical structures high areal capacity high-voltage compatibility