A rechargeable battery module is disclosed. The rechargeable battery module includes: a busbar holder (20) covering a plurality of battery cells (10); a busbar disposed on the busbar holder (20) to electrically connect the battery cells (10); and a flexibl...

Provided is a manufacturing method of a fuel cell separator and a fuel cell separator that can prevent a reduction of a sealing property. The manufacturing method of the fuel cell separator includes an overlaying step of overlaying a first metal separator ...

An electrochemical cell is provided comprising a thin metal foil packaging made from at least one sheet of metal foil and having a perimeter extending around at least a portion of the electrochemical cell, as well as an electrochemical cell stack contained...

A battery pack according to an embodiment of the present disclosure includes a plurality of battery cells; a housing accommodating the plurality of battery cells; a plurality of bus bars electrically connecting the plurality of battery cells; and a first w...

This utility model relates to a welding positioning clamp including a first lateral pressing apparatus (100), a base (500), an installation plate (600), and a positioning apparatus (400). The first lateral pressing apparatus (100) is provided on the instal...

Provided is a technique to reduce voids between an electrode tab (21t, 22t) and a current collecting unit (33, 43) in a portion where the electrode tab (21t, 22t) and the current collecting unit (33, 43) are welded. The manufacturing method disclosed herei...

A power storage device (100) disclosed herein includes a first electrode terminal (40) including a first conductive member (41), a second conductive member (42), and a metal joined part (45). The metal joined part (45) includes a first region (451) in whic...

The present invention relates to: a welding method and a welding apparatus for a secondary battery capable of emitting a laser beam into the lower can; and a monitoring method and a monitoring apparatus for a secondary battery welding process capable of ch...

The present disclosure provides a secondary battery capable of increasing welding quality. The secondary battery comprises an electrode assembly, a current collector coupled to the electrode assembly, a case in which the electrode assembly is accommodated,...

The method involves firmly connecting a connector with both a hub component i.e. pinion (1), and a shaft (3). The connector is made of metal, and the hub component and the shaft are made of different materials e.g. ceramics and steel. The hub component is ...