WELDING HORN AND WELDING DEVICE FOR SECONDARY BATTERY

原文（中国語）

A welding horn includes a body portion extending in a first direction; and an extension portion extending in a second direction crossing the first direction from an end of the body portion, and is configured to pressurize a welding object connected to an electrode assembly, the extension portion including a lower surface facing the welding object; a first corner portion connected to one end of the lower surface and facing the electrode assembly; a first side surface extending from the first corner portion to the body portion; and a tip portion protruding from the lower surface and contacting the welding object, the tip portion being offset from a center of the lower surface toward the first corner portion.