High-capacity lithium ion battery packaging structure

The utility model discloses a high-capacity lithium ion battery packaging structure which comprises a shell and a battery cell body installed in the shell, a fixing piece is arranged between the bottom of the battery cell body and the bottom of an inner cavity of the shell, a gap is formed between the outer surface of the battery cell body and the inner wall of the inner cavity of the shell, and the gap is filled with inert gas. And the effect of isolating the battery from the outside is achieved. The utility model aims to solve the problems in the prior art, increase the convenience of large-capacity battery combination, improve the utilization rate of the internal space of the battery box, solve the wiring problem of battery series connection, prolong the service life of the lithium ion battery to the maximum extent, and achieve the purposes of deep use and battery protection; the battery can work for a long time, and the service life of the battery is prolonged by 80%-200% compared with that of a common li