A silicon carbon composite, a negative electrode active material, a negative electrode composition, a negative electrode, a lithium secondary battery, a battery module, and a battery pack are provided. The silicon carbon composite satisfies a condition of ...

[TECHNICAL PROBLEM] There is provided a negative electrode for an electric device such as a Li ion secondary battery capable of exhibiting well-balanced characteristics of a high cycle property and a high initial capacity. [0002] [SOLUTION TO PROBLEM] The ...

Providing a silicon-containing material having a novel structure being distinct from the structure of conventional silicon oxide disproportionated to use. [0002] A silicon-containing material according to the present invention includes at least the followi...