Carbon material, production method for carbon material, dispersion liquid, composition for electrodes, slurry for electrodes, electrode, positive electrode, negative electrode, lithium ion battery, carbon material precursor, and production method for carbon material precursor

A carbon material comprising:

• a combined structure having an extended shape in which a plurality of hollow particulate parts is combined in a bead-chain-like configuration, the hollow particulate parts each comprising a surrounding wall that forms a comparted interior space of the hollow particulate parts and has a plurality of pores and a crystal structure of graphene,
• the carbon material having an intensity ratio (IG/I2D) of an intensity of a G band (IG) to an intensity of a 2D band (I2D) in a Raman spectrum obtained by Raman spectrometry of 0.40 or more and 5.00 or less, and
• the carbon material having an oil absorption of 400 mL/100 g or more in accordance with JIS K5101-13-1:2004.

A carbon material precursor comprising:

• a template material composed of an agglomerate of a plurality of primary particles agglomerated in a bead-chain-like configuration;
• and
• a carbonaceous layer covering a surface of the template material and having a plurality of pores.