The present disclosure a battery module having electrochemical cells and a bus bar carrier. The bus bar carrier includes a finger having a first surface, a second surface opposite to the first surface and configured to be disposed proximate to a first electrochemical cell of the plurality of electro
The present disclosure a battery module having electrochemical cells and a bus bar carrier. The bus bar carrier includes a finger having a first surface, a second surface opposite to the first surface and configured to be disposed proximate to a first electrochemical cell of the plurality of electrochemical cells, a thickness extending between the first surface and the second surface, an opening extending through the first surface, through the thickness, and through the second surface, and a cavity disposed adjacent to the opening and exposed through the second surface of the finger. The battery module also includes a lead wire passing through the opening from the first surface of the finger to the second surface of the finger, and a sensor coupled to the lead wire to enable communication between the sensor and the first electrochemical cell, wherein the sensor is disposed in the cavity.
대표청구항▼
1. A battery module, comprising: a plurality of electrochemical cells;a bus bar carrier, wherein the bus bar carrier comprises a finger integral with the bus bar carrier at a proximal end of the finger, wherein the finger comprises a first surface, a second surface opposite to the first surface and
1. A battery module, comprising: a plurality of electrochemical cells;a bus bar carrier, wherein the bus bar carrier comprises a finger integral with the bus bar carrier at a proximal end of the finger, wherein the finger comprises a first surface, a second surface opposite to the first surface and configured to be disposed proximate to a first electrochemical cell of the plurality of electrochemical cells, a thickness extending between the first surface and the second surface, an opening extending through the first surface, through the thickness, and through the second surface, and a cavity disposed adjacent to a distal end of the finger and exposed through the second surface of the finger, wherein the opening is disposed between the proximal end of the finger and the cavity;a lead wire passing through the opening from the first surface of the finger to the second surface of the finger; anda sensor coupled to the lead wire to enable communication between the sensor and the first electrochemical cell, wherein the sensor is disposed in the cavity;wherein the plurality of electrochemical cells comprises a plurality of terminal ends, and the bus bar carrier is disposed over the plurality of electrochemical cells and immediately adjacent to the plurality of terminal ends. 2. The battery module of claim 1, wherein the plurality of electrochemical cells comprises a plurality of lithium-ion (Li-ion) electrochemical cells. 3. The battery module of claim 1, wherein the plurality of electrochemical cells comprises a plurality of prismatic electrochemical cells. 4. The battery module of claim 1, wherein the finger comprises a first portion and a second portion, wherein a thickness of the first portion comprises a first distance, wherein a thickness of the second portion comprises a second distance, wherein the first distance is greater than the second distance, and wherein the cavity is disposed in the first portion. 5. The battery module of claim 4, wherein the opening is disposed in the second portion of the finger. 6. The battery module of claim 1, wherein the sensor is sandwiched between the first electrochemical cell and the finger. 7. The battery module of claim 6, wherein the sensor is a temperature sensor, a voltage sensor, or both. 8. The battery module of claim 1, wherein the finger is configured to flex in response to a force exerted against the finger by the first electrochemical cell. 9. The battery module of claim 1, wherein the finger is coupled to the bus bar carrier along only one side of the finger such that the finger is configured to flex about the only one side. 10. The battery module of claim 1, wherein the battery module comprises a housing, wherein the housing comprises a surface on which bases of the plurality of electrochemical cells are disposed, and wherein the finger is positioned on the bus bar carrier such that the second surface of the finger is disposed, at most, a first distance from the surface of the housing and the first distance corresponds with a first minimum height tolerance of the first electrochemical cell, measured from a base of the first electrochemical cell to a terminal end of the first electrochemical cell. 11. The battery module of claim 1, wherein the battery module comprises a housing, wherein the battery module comprises one or more thermal pads, wherein the housing comprises a surface on which the one or more thermal pads are disposed, wherein bases of the plurality of electrochemical cells are disposed on the one or more thermal pads such that the one or more thermal pads are positioned between the surface of the housing and the bases of the plurality of electrochemical cells, and wherein the finger is positioned on the bus bar carrier such that the finger is disposed, at most, a first distance from the thermal pads of the battery module and the first distance corresponds with a first minimum height tolerance of the first electrochemical cell, measured from a base of the first electrochemical cell to a terminal end of the first electrochemical cell. 12. The battery module of claim 1, wherein the sensor is in fluid communication with the first electrochemical cell. 13. The battery module of claim 1, wherein the sensor is in electrical contact with the first electrochemical cell. 14. The battery module of claim 1, wherein the finger comprises a first portion through which the opening is disposed, a second portion in which the cavity is disposed, and a third angled portion extending between the first portion and the second portion at a non-right angle. 15. A battery module, comprising: a lithium-ion (Li-ion) electrochemical cell having a terminal end comprising at least one terminal;a bus bar carrier disposed over the Li-ion electrochemical cell and proximate to the terminal end, wherein the bus bar carrier comprises a finger integral with the bus bar carrier along an edge of the finger, wherein the finger comprises a first portion extending from the edge and having a first thickness, wherein the finger comprises a second portion extending from the first portion and having a second thickness greater than the first thickness, wherein an opening is disposed through the first portion, wherein a cavity is disposed in the second portion, and wherein the cavity is exposed to the terminal end of the Li-ion electrochemical cell;a sensor disposed in the cavity and in communication with the Li-ion electrochemical cell; anda lead wire extending from the sensor and through the opening. 16. The battery module of claim 15, wherein the Li-ion electrochemical cell is a prismatic Li-ion electrochemical cell. 17. The battery module of claim 15, wherein the finger is integral with the bus bar carrier only along the edge of the finger such that the finger is configured to flex about the edge in response to a force exerted against the finger via the Li-ion electrochemical cell. 18. The battery module of claim 15, wherein the sensor is a temperature sensor, a voltage sensor, or both. 19. A bus bar carrier of a battery module, comprising: a finger integral with the bus bar carrier only along a first edge of the finger, a first portion of the finger extending from the first edge and having a first thickness, a second portion of the finger extending from the first portion and having a second thickness greater than the first thickness, an opening disposed through the first portion, and a cavity disposed in the second portion and exposed along a bottom surface of the second portion. 20. The bus bar carrier of claim 19, wherein the finger is positioned on the bus bar carrier in an area of the bus bar carrier accessible to a terminal end of a prismatic lithium-ion (Li-ion) electrochemical cell of the battery module. 21. The bus bar carrier of claim 19, wherein the opening is sized to accommodate a lead wire of the battery module and the cavity is sized to accommodate a sensor coupled to the lead wire of the battery module. 22. The bus bar carrier of claim 19, wherein the first edge comprises a third thickness and the third thickness is less than the first and second thicknesses such that the finger is configured to flex about the first edge in response to a force exerted against the finger.
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이 특허에 인용된 특허 (3)
Houchin-Miller, Gary P.; Pacheco, Anthony C.; Wiegmann, Martin; Joswig, Ralf; Hoh, Markus; Balk, Mikhail; Obasih, Kem, Battery system with heat exchanger.
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