▎ 摘　　要

NOVELTY - The utility model claims a battery, comprising a battery cell are connected with the power line, the battery comprising a graphene layer, wrapped battery cell outer graphene, graphene layer comprises symmetrical with each other of the first part and the second part. the first part is orderly arranged with the first arc part and the second arc part and the third circular arc part, the first arc part and the second arc part and the radius of the third circular arc section are the same and the second part; the arc length of the first circular arc part is equal to length of the third circular arc section, the arc length of the first circular arc part is greater than the length of the second arc portion; the battery comprises a connecting cover, a portion of the power line on the connecting cover and the battery cell between the first arc portion and the second arc portion with a first connecting piece, a third circular arc portion and the second circular arc part with the second connecting piece, the first connecting piece are connected graphene layer and the connecting cover and the second connecting piece. the electric core covered by a graphene layer, increase the heat dissipation efficiency of the battery cell, the battery cell in time, the purpose of quick heat dissipation surface can further improve the heat dissipation efficiency.