Battery module vent system and method
First Claim
1. A battery module comprising:
- a housing having an interior defined by multiple sides, one side of which is a lid, wherein the lid has a baffle that extends toward the interior of the housing;
lithium ion electrochemical cells disposed in the housing, each cell having a vent through which gases may be vented;
a first chamber defined by interior aspects of the housing, wherein the first chamber receives vented gases directed in a first direction from the electrochemical cells;
a surface of the first chamber, wherein the surface is configured to redirect a flow of the vented gases in a second direction, the second direction being oriented transverse relative to the first direction and oriented transverse relative to an expulsion direction of the vented gases along which the vented gases are expelled from the housing;
a second chamber defined partially by the lid, wherein the second chamber receives the vented gases from the first chamber and directs the vented gases from the housing along the expulsion direction; and
a third chamber partially defined by the baffle and the lid, wherein the third chamber is positioned adjacent to the second chamber, separated from the second chamber by the baffle, and substantially sealed away from the first and second chambers.
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Accused Products
Abstract
A battery module includes a housing having an interior defined by multiple sides, one side of which is a lid. The battery module also includes lithium ion electrochemical cells disposed in the housing, each cell having a vent through which gases may be vented. Moreover, the battery module includes a first chamber defined by interior aspects of the housing. Furthermore, the first chamber receives vented gases directed in a first direction from the electrochemical cells. In addition, the battery module includes a surface of the first chamber. The surface is configured to direct the vented gases in a second direction. The battery module also includes a second chamber defined partially by the lid. The second chamber receives the vented gases from the first chamber and directs the vented gases from the housing.
40 Citations
12 Claims
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1. A battery module comprising:
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a housing having an interior defined by multiple sides, one side of which is a lid, wherein the lid has a baffle that extends toward the interior of the housing; lithium ion electrochemical cells disposed in the housing, each cell having a vent through which gases may be vented; a first chamber defined by interior aspects of the housing, wherein the first chamber receives vented gases directed in a first direction from the electrochemical cells; a surface of the first chamber, wherein the surface is configured to redirect a flow of the vented gases in a second direction, the second direction being oriented transverse relative to the first direction and oriented transverse relative to an expulsion direction of the vented gases along which the vented gases are expelled from the housing; a second chamber defined partially by the lid, wherein the second chamber receives the vented gases from the first chamber and directs the vented gases from the housing along the expulsion direction; and a third chamber partially defined by the baffle and the lid, wherein the third chamber is positioned adjacent to the second chamber, separated from the second chamber by the baffle, and substantially sealed away from the first and second chambers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification