リチウム二次電池用負極材、これを用いたリチウム二次電池用負極、及びリチウム二次電池。

摘要

PROBLEM TO BE SOLVED: To provide a lithium secondary battery negative electrode material excellent in a discharge load property and an adhesion property, a lithium secondary battery negative electrode using the same, and a lithium secondary battery using the electrode.SOLUTION: A lithium secondary battery negative electrode material is provided, containing a carbonaceous material, a boron single body or a boron compound.