Atieva, Inc.

Nathaniel Wynn

John Louis D'Atri

Peter Dore Rawlinson

Richard J Biskup

Stephan Carl Wintner

A battery assembly utilizing a compact and robust bus bar configuration is provided. The batteries within the assembly are divided into groups with each group formed from at least two rows of batteries. The batteries within each battery group are connected in parallel and the groups are connected in series. The batteries are interconnected using a plurality of non-overlapping bus bars configured in an alternating pattern with the plurality of battery groups, where each of the bus bars includes multiple interconnect mounting platforms. The interconnect mounting platforms simplify coupling multiple rows of batteries to each bus bar while minimizing bus bar current density variations and insuring that individual interconnect resistance remains relatively low and at about the same level per battery.

Battery pack bus bar assembly with shaped interconnect mounting platforms

A battery assembly utilizing a compact and robust bus bar configuration is provided. The batteries within the assembly are divided into groups, for example where each group is formed from two rows of batteries. The batteries within each battery group are connected in parallel and the groups are connected in series. The batteries are interconnected using a plurality of non-overlapping bus bars configured in an alternating pattern with the plurality of battery groups, where each of the bus bars includes multiple interconnect mounting platforms. The interconnect mounting platforms simplify coupling multiple rows of batteries to each bus bar while minimizing bus bar current density variations and insuring that individual interconnect resistance remains relatively low and at about the same level per battery.

Battery pack bus bar assembly with enlarged interconnect mounting platforms

A battery pack thermal management assembly is provided for use with an electric vehicle in which the battery pack is sealed and mounted under the car. The batteries contained within the battery pack are thermally coupled via a layer of thermally conductive material to the interior surface of the pack's upper enclosure panel. The upper enclosure panel is thermally coupled via an interposed panel to a conduit structure, the conduit structure formed by a shaped conduit panel that is attached to a secondary panel.

EV battery pack cooling system

A battery pack thermal management assembly is provided for use with an electric vehicle in which the battery pack is sealed and mounted under the car. The batteries contained within the battery pack are thermally coupled via a layer of thermally conductive material to the interior surface of the pack's upper enclosure panel. A secondary panel is thermally coupled to the pack's upper enclosure panel. A shaped conduit panel is attached to the secondary panel. A cooling panel structure containing a coolant channel is defined by the surface of the secondary panel and the conduit panel's interior surface.

A battery pack thermal management assembly is provided for use with an electric vehicle in which the battery pack is sealed and mounted under the car. The batteries contained within the battery pack are thermally coupled via a layer of thermally conductive material to the interior surface of the pack's upper enclosure panel. A shaped conduit panel is attached to the exterior surface of the pack's upper enclosure panel. A cooling panel structure containing a coolant channel is defined by the enclosure panel's exterior surface and the conduit panel's interior surface.

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San Mateo, CA, United States of America

Nathaniel Wynn