Secondary battery case and method of producing same

摘要

Provided is a secondary battery case having a side coating layer formed on a first resin layer, a second resin layer, and an Al layer formed between the first resin layer, the second resin layer and a side coating layer formed on the outer side of the Al layer, the first resin layer, and the second resin layer, the Al layer formed between the first resin layer, the second resin layer. On the other hand, provided is a method of producing a secondary battery case that includes a step of forming a first resin layer or a second resin layer respectively in the upper part and the lower part of the Al layer, and a step of cutting the first resin layer, the Al layer, and the second resin layer by using a heated cutter, a step of forming a side coating layer in the cutting plane of the first resin layer, the Al layer, and the second resin layer by cooling the mixture of the first and the second resin layer molten by the cutter.