The present disclosure includes a group of electrically interconnected battery cells disposed within a housing. The disclosure also includes a major terminal of a battery module configured to be coupled to a load for powering the load. One or more portions of the major terminal are disposed within a
The present disclosure includes a group of electrically interconnected battery cells disposed within a housing. The disclosure also includes a major terminal of a battery module configured to be coupled to a load for powering the load. One or more portions of the major terminal are disposed within a recess in a surface of the housing. The present disclosure also includes a bus bar that provides an electrical pathway between the group of electrically interconnected battery cells and the major terminal. The bus bar is disposed within the housing.
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1. A battery module, comprising: a polymer housing comprising: a lower housing portion having a first opening defined therein; anda housing cover disposed partially over the first opening in the lower housing portion, wherein the housing cover comprises a second opening defined therein having a rais
1. A battery module, comprising: a polymer housing comprising: a lower housing portion having a first opening defined therein; anda housing cover disposed partially over the first opening in the lower housing portion, wherein the housing cover comprises a second opening defined therein having a raised collar extending circumferentially around the second opening;a bus bar disposed within the polymer housing and electrically coupled to a group of electrically interconnected battery cells disposed within the lower housing portion; anda major terminal comprising a base that is electrically coupled to the bus bar, wherein the base is secured within the first opening of the lower housing portion by the housing cover and is aligned with the second opening of the housing cover, wherein the base is configured to receive a post within the first opening to removably electrically couple the major terminal to an external load without exposed conductive components at an outer surface of the polymer housing. 2. The battery module of claim 1, wherein the base is molded into the first opening in the lower housing portion. 3. The battery module of claim 1, wherein the base is made of copper and the post is made of stainless steel. 4. The battery module of claim 1, wherein one or more portions of the major terminal are further secured within the first opening of the lower housing portion with an attachment mechanism, and wherein the attachment mechanism comprises a sealant, a glue, an o-ring, a resin, an adhesive, a foam, or a combination thereof. 5. The battery module of claim 1, wherein the bus bar comprises an aperture that aligns with the first opening in the lower housing portion. 6. The battery module of claim 1, wherein the group of electrically interconnected battery cells comprises a group of electrically interconnected prismatic lithium-ion (Li-ion) electrochemical cells. 7. A battery module, comprising: a polymer housing comprising: a lower housing portion having a first opening defined therein; anda housing cover disposed partially over the first opening in the lower housing portion, wherein the housing cover comprises a second opening defined therein having a raised collar extending circumferentially around the second opening;an electrochemical cell having a minor terminal disposed within the polymer housing;a major terminal electrically coupled to the electrochemical cell, wherein the major terminal comprises: a base secured within the first opening of the lower housing portion and aligned with the second opening in the housing cover; anda post electrically coupled to a load and removably engaged directly with the base within the first opening to electrically couple the major terminal to the load, wherein the base consists essentially of a first conductive material and the post consists essentially of a second conductive material different than the first conductive material; anda bus bar that provides an electrical path between the minor terminal of the electrochemical cell and the major terminal of the battery module. 8. The battery module of claim 7, wherein the bus bar is at least partially disposed within the first opening, and wherein the bus bar comprises an aperture that receives the post of the major terminal. 9. The battery module of claim 7, wherein the bus bar is disposed within the base within the first opening of the lower housing portion. 10. The battery module of claim 7, wherein the first conductive material is copper and the second conductive material is stainless steel. 11. The battery module of claim 1, wherein the base is copper and the post is aluminum. 12. The battery module of claim 8, wherein the bus bar is made of the second conductive material of the post. 13. The battery module of claim 8, wherein the base comprises a nut that is welded about the aperture of the bus bar. 14. The battery module of claim 1, wherein the base is configured to be coupled to the post without welding. 15. The battery module of claim 3, wherein the bus bar is made of aluminum. 16. The battery module of claim 5, wherein the base is physically coupled to the bus bar at the aperture, and wherein the post extends through the aperture of the bus bar when the base receives the post to electrically couple the major terminal to the external load. 17. A battery module, comprising: a polymer housing comprising: a lower housing portion having a first opening defined therein; anda housing cover disposed partially over the first opening in the lower housing portion, wherein the housing cover comprises a second opening defined therein having a raised collar extending circumferentially around the second opening;a major terminal comprising a base secured within the first opening of the lower housing portion by the housing cover and aligned with the second opening of the housing cover, wherein the base is configured to receive a post within the first opening to removably electrically couple the major terminal to an external load. 18. The battery module of claim 17, wherein the base is molded into the first opening in the lower housing portion. 19. The battery module of claim 17, wherein at least one portion of the major terminal is at least partially secured within the first opening of the lower housing portion with an attachment mechanism, and wherein the attachment mechanism comprises a sealant, a glue, an o-ring, a resin, an adhesive, a foam, or a combination thereof. 20. The battery module of claim 17, comprising a bus bar disposed within the polymer housing and electrically coupled to a group of electrically interconnected battery cells disposed within the lower housing portion, wherein the base of the major terminal is electrically coupled to the bus bar.
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이 특허에 인용된 특허 (8)
Mix Renard E. (Yorktown IN) Brutchen George W. (Winchester IN), Battery construction and method of connecting terminals to electrodes.
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