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P2‐type layered oxide material Na2/3Ni1/3Mn2/3O2 is a competitive candidate for sodium‐ion batteries (SIBs). Nevertheless, it suffers from the strong P2–O2 phase transition during charging to the high voltage regime, rendering drastic volume variations and poor cycling performance. Here, a Quasi‐zero strain P2‐Na0.75Li0.15Mg0.05Ni0.1Mn0.7O2 cathode is synthesized, which reflects the vanishing P2–O2...
Catalysts with designable intelligent nanostructure may potentially drive the changes in chemical reaction techniques. Herein, a multi‐function integrating nanocatalyst, Pt‐containing magnetic yolk‐shell carbonaceous structure, having catalysis function, microenvironment heating, thermal insulation, and elevated pressure into a whole is designed, which induces selective hydrogenation within heating‐constrained...