Chen Cheng, Chi Chen, Shiyong Chu, Haolv Hu, Tianran Yan, Xiao Xia, Xuefei Feng, Jinghua Guo, Dan Sun, Jinpeng Wu,* Shaohua Guo,* and Liang Zhang* Enhancing the Reversibility of Lattice Oxygen Redox Through Modulated Transition Metal-Oxygen Covalency for Layered Battery Electrodes, Advanced Materials, 2022, accepted.