Patent ID: 7695852
Filing Date: 2010-04-13
Classification: H01M,Y02E,Y02P

Abstract:
1. A manufacturing control method for a rechargeable battery, comprising: writing information required during a battery manufacturing process into an IC tag installed in the rechargeable battery by using a non-contact writing device; reading the information from the IC tag during a battery inspection process; and performing manufacturing control of the rechargeable battery based on the information read out, wherein: the rechargeable battery comprises a plurality of rechargeable batteries, each of which is provided with the IC tag, and the method further includes selecting and sorting the rechargeable batteries into groups that have identical battery characteristics based on the information recorded in the IC tag, and the information recorded into the IC tag is at least one selected from the group consisting of an electrode plate assembly production machine number, an electrode plate assembly production date, an electrolyte immersion date, a manufacturing line number, a sealing date, an initial charge and discharge date, and an aging date and length of aging.