Etching-in-a-Box: A Novel Strategy to Synthesize Unique Yolk-Shelled Fe3O4@Carbon with an Ultralong Cycling Life for Lithium Storage

Abstract

Z.M.L. and X.-Y.Y. contributed equally to this work. This work was supported by the Global Research Laboratory (GRL) Program (K20704000003TA050000310) through the National Research Foundation of Korea (KRF) funded by the Ministry of Science, ICT (Information and Communication Technologies) and Future Planning, and by the Energy Efficiency and Resources Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) that granted financial resource from the Ministry of Trade, Industry and Energy, Republic of Korea (Grant No. 20142020104190) and BK21 (Brain Korea 21) program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology.