Journal Article lithium-ion battery Cu nanoparticles Li-rich Mn-based oxides Li-rich cathode materials Li‐ion battery Li‐rich Mn‐based oxides T#2‐Li0.69CoO2 configuration entropy controlled radical polymerization expandable fast Li‐ion diffusion network gels high energy cathode in situ spectroscopies life‐like materials local structural adaptability metal‐support interactions molecular machines molecular motors photochemistry quasi-3D Li-ion diffusion network reverse electron transfer segreation layer single‐layer LiCo(Ni)O2 soft robotics strong embedded interface tetrahedra coordination twin structure