Disclosed is a method for manufacturing an electrochemical cell, wherein an insulation failure product can be accurately rejected, and an electrochemical cell can be used again after the insulation failure inspection. In the method for manufacturing the el...

The device (1) has a connection terminal (7) comprising an over-current protection unit that includes a power switch (9) for selectively disconnecting strings (2). A central insulation monitoring unit (15) detects an insulation status of the strings. The p...