One of the major challenges in manufacturing automotive lithium-ion batteries and battery
packs is to achieve consistent weld quality in joining multiple layers of dissimilar materials …

(57) ABSTRACT A sonotrode includes multiple layers of a material melted to one another to
form a structure. The structure provides a base that has an attachment feature that is …

A method of ultrasonically bonding a plurality of prismatic battery cell tabs to a bus bar within
a battery section. The method includes arranging numerous prismatic battery cells such that …

An ultrasonic machine tool comprises a stand that can be attached to a base plate. The
machine furthermore has a vibration generator by means of which a working member can be …

(57) ABSTRACT A method and a test fixture for evaluating a battery cell are described,
wherein the battery cell is composed of a cell body having a plurality of electrode foils that …

(57) ABSTRACT A sonotrode includes multiple layers of a material melted to one another to
form a structure. The structure provides a base that has an attachment feature that is …

An ultrasonic welding apparatus joins metal pieces, such as wires, which are placed in a
weldment zone where the metal pieces are subjected to pressure through a compressive …

A high-frequency vibration welding conditioning system for achieving better metal material
properties is disclosed, which comprises a host computer, a signal generator, a power …