SELF-DISCHARGE FOR HIGH VOLTAGE BATTERY PACKS
First Claim
Patent Images
1. A self-dischargeable rechargeable high-voltage battery pack, comprising:
- a plurality of series-coupled energy storage elements;
a housing enclosing and sealing said plurality of series-coupled energy storage elements with a plurality of exterior walls;
an operational port coupled to a portion of a first particular one exterior wall of said plurality of exterior walls, said operational port providing an energy transfer with respect to said plurality of series-coupled energy storage elements; and
a self-discharger, responsive to a self-discharge signal, initiating an internal dissipation of energy at an intentional self-discharge rate of at least 5 W from said plurality of series-coupled energy storage elements while said self-discharge signal is asserted without said energy transfer through said operational port, wherein said internal dissipation of energy is disabled when said self-discharge signal is not asserted.
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Abstract
A system and method for providing energy management and maintenance of a high energy battery pack through use self-discharge features and processes. A battery pack is configured with self-discharger enabled-components that selectively discharge energy from the battery pack without the battery pack providing operational power.
52 Citations
18 Claims
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1. A self-dischargeable rechargeable high-voltage battery pack, comprising:
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a plurality of series-coupled energy storage elements; a housing enclosing and sealing said plurality of series-coupled energy storage elements with a plurality of exterior walls; an operational port coupled to a portion of a first particular one exterior wall of said plurality of exterior walls, said operational port providing an energy transfer with respect to said plurality of series-coupled energy storage elements; and a self-discharger, responsive to a self-discharge signal, initiating an internal dissipation of energy at an intentional self-discharge rate of at least 5 W from said plurality of series-coupled energy storage elements while said self-discharge signal is asserted without said energy transfer through said operational port, wherein said internal dissipation of energy is disabled when said self-discharge signal is not asserted. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A computer-implemented method for managing a self-dischargeable rechargeable high-voltage battery pack, comprising:
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a) configuring the self-dischargeable rechargeable high-voltage battery pack for an energy transfer between the self-dischargeable rechargeable high-voltage battery pack and an exterior operational port; and b) self-discharging the self-dischargeable rechargeable high-voltage battery pack at an intentional self-discharge rate of at least 5 W using a processor in response to an assertion of a self-discharge signal, the self-dischargeable rechargeable high-voltage battery pack not self-discharging absent said assertion and not self-charging using said energy transfer. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification