HOLLOW BODY, METHOD FOR PRODUCING THE SAME, ANODE ELECTRODE MATERIAL PREPARED THEREWITH, AND LITHIUM ION SECONDARY BATTERY PREPARED THEREWITH

摘要

PROBLEM TO BE SOLVED: To provide a hollow body that has high conductivity and is resistant to a volumetric change, a method for producing the same, an anode electrode material prepared therewith, and a lithium ion secondary battery prepared therewith.SOLUTION: A hollow body according to the invention has accumulated graphenes and includes a hollow structure, wherein transition metal oxide particles are positioned between accumulated graphenes and on the surfaces of graphenes and coupled to each other.SELECTED DRAWING: Figure 1