Lithium ion battery module having a compartmentalized housing
First Claim
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1. A lithium-ion battery module, comprising:
- an electrically insulative housing having an integral single-piece construction that includes a plurality of integral partitions which form a plurality of compartments within the electrically insulative housing;
a plurality of cylindrical lithium-ion cell elements corresponding in number to the plurality of compartments and disposed within the plurality of compartments, wherein each compartment of the plurality of compartments includes one cylindrical lithium-ion cell element of the plurality of cylindrical lithium-ion cell elements disposed therein;
a cover disposed over the plurality of cylindrical lithium-ion cell elements and against an upper edge or surface of the electrically insulative housing such that a shared space is formed underneath the cover and above the plurality of integral partitions, wherein the shared space is in fluid communication with each compartment of the plurality of compartments; and
comprising at least one bur bar extending into the shared space and coupling cylindrical lithium-ion elements of the plurality of cylindrical lithium-ion cell elements.
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Abstract
A lithium-ion battery module includes a housing having a plurality of partitions configured to define a plurality of compartments within a housing. The battery module also includes a lithium-ion cell element provided in each of the compartments of the housing. The battery module further includes a cover coupled to the housing and configured to route electrolyte into each of the compartments. The cover is also configured to seal the compartments of the housing.
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Citations
18 Claims
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1. A lithium-ion battery module, comprising:
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an electrically insulative housing having an integral single-piece construction that includes a plurality of integral partitions which form a plurality of compartments within the electrically insulative housing; a plurality of cylindrical lithium-ion cell elements corresponding in number to the plurality of compartments and disposed within the plurality of compartments, wherein each compartment of the plurality of compartments includes one cylindrical lithium-ion cell element of the plurality of cylindrical lithium-ion cell elements disposed therein; a cover disposed over the plurality of cylindrical lithium-ion cell elements and against an upper edge or surface of the electrically insulative housing such that a shared space is formed underneath the cover and above the plurality of integral partitions, wherein the shared space is in fluid communication with each compartment of the plurality of compartments; and
comprising at least one bur bar extending into the shared space and coupling cylindrical lithium-ion elements of the plurality of cylindrical lithium-ion cell elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A lithium-ion battery module, comprising:
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a housing comprising an electrically insulative material and having an integral single-piece construction that includes a plurality of integral partitions which form a plurality of compartments within a housing interior of the housing; a plurality of lithium-ion cell elements corresponding in number to the plurality of compartments and disposed within the plurality of compartments, wherein each compartment of the plurality of compartments includes one cell element of the plurality of lithium-ion cell elements disposed therein; a lid disposed over the plurality of lithium-ion cell elements and against an edge of a perimeter of the housing such that a space is formed underneath the lid and above the plurality of integral partitions, wherein the lid does not contact the plurality of integral partitions, and wherein the space is in fluid communication with each compartment of the plurality of compartments; and at least one bus bar extending into the space and coupling lithium-ion cell elements of the plurality of lithium-ion cell elements. - View Dependent Claims (12, 13, 14)
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15. A lithium-ion battery module, comprising:
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an electrically insulative housing having a single-piece construction that includes a plurality of integral partitions forming a plurality of cylindrical compartments within the electrically insulative housing; a plurality of cylindrical lithium-ion cell elements corresponding in number to the plurality of cylindrical compartments and configured to be disposed within the plurality of cylindrical compartments, wherein each cylindrical compartment of the plurality of cylindrical compartments is configured to receive one cylindrical lithium-ion cell element of the plurality of cylindrical lithium-ion cell elements; a cover configured to be disposed over the plurality of cylindrical lithium-ion cell elements and against an upper edge or surface of the electrically insulative housing such that a shared space is formed underneath the cover, above the plurality of integral partitions, and in fluid communication with each cylindrical compartment of the plurality of cylindrical compartments; and
comprising at least one bur bar configured to extend into the shared space and to couple cylindrical lithium-ion elements of the plurality of cylindrical lithium-ion cell elements. - View Dependent Claims (16, 17, 18)
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Specification