BATTERY SYSTEM WITH HEAT EXCHANGER
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Accused Products
Abstract
A battery module includes a plurality of electrochemical cells arranged in a first row and a second row offset from the first row. The battery module also includes a heat exchanger configured to allow a fluid to flow through the heat exchanger. The heat exchanger is disposed between the first and second rows of cells and has a shape that is complementary to the cells in the first and second rows of cells so that an external surface of the heat exchanger contacts a portion of each of the plurality of electrochemical cells. The heat exchanger is configured to route the fluid between an inlet and an outlet such that a path of the fluid flow includes a plurality of adjacent fluid flow segments.
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Citations
42 Claims
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1-20. -20. (canceled)
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21. A battery module, comprising:
a heat exchanger configured to allow a fluid to flow therethrough, wherein the heat exchanger is configured to be disposed between a first row of cylindrical electrochemical cells and a second row of cylindrical electrochemical cells, the first and second rows of cylindrical electrochemical cells being offset from one another, wherein the heat exchanger comprises; an external surface that is shaped complementary to the cylindrical electrochemical cells in the first and second rows so that the external surface of the heat exchanger contacts a portion of each of the plurality of cylindrical electrochemical cells, wherein the heat exchanger is configured to allow heat conduction between the fluid and the plurality of cylindrical electrochemical cells via the external surface; an inlet through which the fluid enters the heat exchanger; an outlet through which the fluid exits the heat exchanger; and a serpentine path of at least three adjacent fluid flow segments continuously connected between the inlet and the outlet and configured to route the fluid between the inlet and the outlet. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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30. A battery system, comprising:
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a plurality of battery modules, each battery module comprising; a plurality of cylindrical electrochemical cells arranged in a first row and a second row adjacent to and offset from the first row; and a heat exchanger disposed between the first and second rows of cylindrical electrochemical cells and configured to allow a fluid to flow therethrough, wherein the heat exchanger comprises; an external surface that is shaped complementary to the cylindrical electrochemical cells in the first and second rows so that the external surface of the heat exchanger contacts a portion of each of the plurality of cylindrical electrochemical cells, wherein the heat exchanger is configured to allow heat conduction between the fluid and the plurality of cylindrical electrochemical cells via the external surface; an inlet through which the fluid enters the heat exchanger; an outlet through which the fluid exits the heat exchanger; and a serpentine path of at least three adjacent fluid flow segments continuously connected between the inlet and the outlet and configured to route the fluid between the inlet and the outlet; and an inlet manifold configured to provide the fluid to the inlets corresponding to each of the plurality of battery modules; and an outlet manifold configured to route the fluid from the outlets corresponding to each of the plurality of battery modules. - View Dependent Claims (31, 32, 33, 34, 35)
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36. A method for routing a fluid through a heat exchanger in a battery module, comprising:
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receiving the fluid into the heat exchanger via an inlet; routing the fluid through the heat exchanger along a serpentine path of at least three adjacent fluid flow segments continuously connected between the inlet and an outlet of the heat exchanger; conducting heat between the fluid and a plurality of cylindrical electrochemical cells via an external surface of the heat exchanger, wherein the heat exchanger is disposed between a first row of cylindrical electrochemical cells and a second row of cylindrical electrochemical cells, the first and second rows of cylindrical electrochemical cells being offset from one another, and wherein the external surface is shaped complementary to the cylindrical electrochemical cells in the first and second rows so that the external surface of the heat exchanger contacts a portion of each of the plurality of cylindrical electrochemical cells; and routing the fluid out of the heat exchanger via the outlet. - View Dependent Claims (37, 38, 39, 40, 41, 42)
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Specification