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|1. (WO2018199265) NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY|
|Applicants:||SEKISUI CHEMICAL CO., LTD.
|Title:||NEGATIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM ION BATTERY|
The present invention is a negative electrode active material for a lithium ion battery, the negative electrode active material having a coating layer that includes amorphous carbon on the surface thereof, wherein the amorphous carbon constituting the coating layer has a ratio of a peak derived from a sp2 component measured by 13C solid-state NMR to a peak derived from a sp3 component, of 1 or larger, and a ratio of a peak derived from an aromatic carbon having a bond with a hydroxy group to a peak derived from the sp2 component, of 0.2 or less.