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Abstract

A method of manufacturing a non-aqueous secondary battery includes the steps of preparing a case main body, preparing a lid, applying a lubricant to a contact location, and assembling a lid to an open end of the case main body. In the step of preparing a lid, a lid to be fitted to the open end of the case main body is prepared. In the step of applying a lubricant, the lubricant is applied to at least a portion of the contact location at which the case main body and the lid are in contact with each other. In the step of assembling the lid to the open end, the lid is assembled to the open end with the lubricant having been applied to the contact location. The lubricant may be a solvent used in a non-aqueous electrolyte solution for non-aqueous secondary batteries.

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First Claim