Johnson Controls—SAFT Advanced Power Solutions LLC
대리인 / 주소
Fletcher Yoder, P.C.
인용정보
피인용 횟수 :
6인용 특허 :
38
초록▼
A battery module having sealed vent chamber includes a plurality of electrochemical cells each having a vent at an end thereof. The module also includes a structure defining a chamber and comprising a plurality of sockets, each socket configured to receive one of the plurality of electrochemical cel
A battery module having sealed vent chamber includes a plurality of electrochemical cells each having a vent at an end thereof. The module also includes a structure defining a chamber and comprising a plurality of sockets, each socket configured to receive one of the plurality of electrochemical cells such that the vents of the electrochemical cells are located in the chamber. The module further includes a seal provided between at least one of the electrochemical cells and its associated socket. At least a portion of the seal is deformable such that gases released from the electrochemical cells into the chamber compress the deformable portion of the seal against the electrochemical cells to seal the gases in the chamber.
대표청구항▼
1. A battery module having a sealed vent chamber, the battery module comprising: a plurality of electrochemical cells each having a housing, a vent configured to deploy from a first end of the housing, and a seal fixed to the housing proximate the first end of the housing; anda structure defining a
1. A battery module having a sealed vent chamber, the battery module comprising: a plurality of electrochemical cells each having a housing, a vent configured to deploy from a first end of the housing, and a seal fixed to the housing proximate the first end of the housing; anda structure defining a chamber and comprising a plurality of sockets, wherein each socket is configured to receive one of the plurality of electrochemical cells such that the vent of each of the electrochemical cells is located in the chamber and such that the seal of each of the electrochemical cells seals against the respective socket, wherein the seals are configured to seal gases vented into the chamber from escaping the chamber. 2. The battery module of claim 1, wherein the seal comprises an enlarged portion provided adjacent a perimeter of the seal. 3. The battery module of claim 1, wherein the seals are made from an injection molded silicone. 4. The battery module of claim 1, wherein the seals are die cut from a silicone material. 5. The battery module of claim 1, further comprising a vent opening feature provided concentrically around the vents of each of the electrochemical cells, the vent opening feature configured to aid in the full deployment of the vent. 6. The battery module of claim 5, wherein the vent opening feature comprises a first surface substantially parallel to the direction of the intended deployment of the vent. 7. The battery module of claim 6, wherein a vertical height of the first surface is such that a pressure drop is created between an electrochemical cell and the chamber when only a portion of the vent deploys from the electrochemical cell. 8. The battery module of claim 7, wherein the vent opening feature further comprises a second surface provided at an angle to the first surface. 9. The battery module of claim 8, wherein the second surface is configured to allow a gradual decrease of the pressure drop once the vent is fully deployed from the electrochemical cell. 10. A battery system for use in a vehicle, the battery system comprising: a plurality of battery modules, each module comprising a plurality of electrochemical cells that each include a casing, a vent configured to deploy from a first end of the casing, and a seal fixed to the casing proximate the first end of the casing; andat least one structure defining at least one chamber and comprising a plurality of sockets, wherein each socket is configured to receive one of the plurality of electrochemical cells such that the vent of each of the electrochemical cells is located in the chamber and such that the seal of each of the electrochemical cells seals against the respective socket, wherein the seals are configured to seal gases vented into the chamber from escaping the chamber. 11. The battery system of claim 10, further comprising a housing to enclose at least a portion of the electrochemical cells. 12. The battery system of claim 10, further comprising a connector for electrically connecting the battery system to the vehicle. 13. The battery system of claim 10, further comprising a disconnect device to allow for at least one battery module to electrically disconnect from the battery system to reduce the voltage potential of the battery system. 14. The battery system of claim 10, further comprising a controller that includes a circuit for monitoring and regulating the plurality of electrochemical cells. 15. The battery system of claim 14, wherein the controller monitors and regulates the temperature of the plurality of electrochemical cells. 16. The battery system of claim 14, wherein the controller monitors and regulates the voltage of the plurality of electrochemical cells. 17. The battery system of claim 10, further comprising a clamping plate provided above the plurality of seals that secures and compresses the plurality of seals into tighter engagement with the at least one structure comprising the plurality of sockets. 18. A battery module, comprising: a structure defining a chamber and comprising a plurality of sockets; anda plurality of electrochemical cells, wherein each electrochemical cell is provided in one associated socket of the structure, wherein each electrochemical cell includes a casing, a vent configured to deploy from a first end of the casing into the chamber, and a seal fixed to the casing proximate the first end of the casing, and wherein each of the seals is configured to seal gases vented into the chamber from escaping the chamber through the plurality of sockets. 19. The battery system of claim 18, wherein the cell further includes a plurality of projections configured to engage a plurality of corresponding openings in the socket. 20. The battery system of claim 18, wherein the vent deploys when the pressure within the cell reaches a threshold pressure. 21. The battery system of claim 18, wherein the vent deploys when the temperature within the cell reaches a threshold temperature. 22. The battery module of claim 1, wherein at least one of the plurality of electrochemical cells is a cylindrical cell. 23. The battery module of claim 1, wherein at least one of the plurality of electrochemical cells is a prismatic cell. 24. The battery system of claim 10, wherein at least one of the plurality of electrochemical cells is a cylindrical cell, a prismatic cell, or a polygonal cell. 25. The battery module of claim 18, wherein at least one of the plurality of electrochemical cells is a cylindrical cell, a prismatic cell, or a polygonal cell.
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