Regulating Mechanical Fractures and Surface Reactivities to Achieve High Electrochemical Stability in Ni‐Rich Cathodes With Boron and Tin. - Jeon, Hyungkwon; Jeon, Gichan; Lee, Heesang; Quang, Nguyen Duc; Song, Seok Hyun; Kim, Hyungsub; Sung, Yung‐Eun; Jeong, Hyun; Lee, Dong‐Hyun; Yu, Young‐Sang; Park, Jungjin; Kim, Chunjoong (Small Structures, 2026)