Electronically Double‐Layered Metal Boride Hollow Nanoprism as an Excellent and Robust Water Oxidation Electrocatalysts. Issue 15 (18th April 2019) - Han, HyukSu; Hong, Yu‐Rim; Woo, Jungwook; Mhin, Sungwook; Kim, Kang Min; Kwon, Jiseok; Choi, Heechae; Chung, Yong‐Chae; Song, Taeseup