Graftech International Holdings Inc.

Neograf Solutions, LLC

Advanced Energy Technologies LLC

Ian Andrew McCallum

Martin David Smalc

Ryan J Wayne

Jonathan Andrew Taylor

Thomas William Weber

Bradley E Reis

Julian Norley

Robert Anderson Reynolds, Iii

Elliot G Fishman

Richard Allen Beyerle, Ii

Mark Pollock

A lithium ion battery pack includes a plurality of prismatic lithium polymer cells and one or more graphite heat spreaders. Each spreader has at least two major surfaces and is made of one of a sheet of a compressed mass of exfoliated graphite particles, a graphitized polyimide sheet, or combinations thereof.

Thermal solution for prismatic lithium ion battery pack

A battery pack includes a plurality of prismatic format batteries in a stacked configuration. Flexible graphite sheet heat spreaders are interposed between adjacent prismatic batteries in the stack. A heat sink extends the length of the stack of prismatic format batteries. Both heat spreader major surfaces contact the heat sink at contact areas and thereby extend into the heat sink by at least 30 percent of the thru-thickness of the heat sink.

Battery pack assembly

A battery pack includes a plurality of prismatic format batteries in a stacked configuration. Flexible graphite sheet heat spreaders are interposed between adjacent prismatic batteries in the stack. A heat sink extends the length of the stack of prismatic format batteries. But heat spreader major surfaces contact the heat sink and extend into the heat sink by at least 30 percent of the thru-thickness of the heat sink.

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Chagrin Falls, OH, United States of America

Ian Andrew McCallum