NEGATIVE ELECTRODE MATERIAL, ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

The disclosure relates to a negative electrode material, an electrochemical device and an electronic device. The negative electrode material includes: a carbon layer; and a silicon layer located on at least part of the surface of the carbon layer. The negative electrode material satisfies the following relationship: R≤0.5, wherein R is the silicon element/carbon element distribution degree of the negative electrode material, and R satisfies the following relationship: