▎ 摘　　要

NOVELTY - Graphene liner comprises inner bladder. The graphene coating is provided on the inner wall and/or outer wall of the inner bladder. The graphene coating contains 3-10 wt.% graphene powder, and 50-65 wt.% polytetrafluoroethylene. USE - Graphene liner. ADVANTAGE - The graphene liner has good energy saving effect, overcomes the existing limited thermal conductivity of the inner liner of the IH rice cooker, problem of slow heating speed and uneven heating during use, improves the heating efficiency and heating uniformity of the graphene inner tank, and taste of the food and brings good user experience to the user. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) a method for preparing graphene liner, which involves preparing uniformly mixed paint, configuring paint with 3-10 wt.% graphene powder, 50-65 wt.% polytetrafluoroethylene, 3-5 wt.% thermally conductive powder, 2-5 wt.% fluorinated ethylene resin, thermally conductive powder contains any one of alumina, magnesium oxide and zinc oxide, coating on inner wall and/or outer wall of inner bladder, performing dry curing treatment; and (2) a electromagnetic cooker, which comprises graphene liner.