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Horizontal high speed stacking for batteries with prismatic cans

United States Patent

June 14, 2016
View the Complete Patent at the US Patent & Trademark Office
A system and method for stacking battery cells or related assembled components. Generally planar, rectangular (prismatic-shaped) battery cells are moved from an as-received generally vertical stacking orientation to a generally horizontal stacking orientation without the need for robotic pick-and-place equipment. The system includes numerous conveyor belts that work in cooperation with one another to deliver, rotate and stack the cells or their affiliated assemblies. The belts are outfitted with components to facilitate the cell transport and rotation. The coordinated movement between the belts and the components promote the orderly transport and rotation of the cells from a substantially vertical stacking orientation into a substantially horizontal stacking orientation. The approach of the present invention helps keep the stacked assemblies stable so that subsequent assembly steps--such as compressing the cells or attaching electrical leads or thermal management components--may proceed with a reduced chance of error.
Bartos; Andrew L. (Clarkston, MI), Lin; Yhu-Tin (Rochester Hills, MI), Turner, III; Raymond D. (Lake Orion, MI)
GM Global Technology Operations LLC (Detroit, MI)
13/ 972,224
August 21, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was supported by the government under a grant under Contract No. DE-EE0002217 awarded by the Department of Energy. The government has certain rights in the invention.