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US 12,719,122 B2Granted
Battery pack system
AssigneeSolid Power Operating, Inc.
InventorsKhay Taherkhani, Joshua Buettner-Garrett, Brandon Kelly
Life of this patent
Estimating the term…
Abstract
Aspects of the disclosure involve a battery pack involving one or more stacks of battery cells, where the stacks of battery of cells are captured between plates or other members that are controlled to maintain force on the cells to manage the pressure on the cells in the stack. Some battery cells technologies, such as some forms of solid-state cells, optimally operate under a controlled stack pressure provided by the systems described herein.
Claims25
A battery force management system comprising:
- a first battery cell stack positioned between a first member and a second member, the first member movably mounted and arranged to apply a force on the first battery cell stack;
- and
- a drive unit operably coupled with the first member to move the first member to controllably apply the force, wherein the drive unit is operably coupled with the first member through a threaded drive rod operably coupled with a corresponding threaded portion of the first member to move the first member to controllably apply the force responsive to a determination of a pressure on the first cell stack.
A method of controlling battery cell stack pressure comprising:
- accessing a value indicative of pressure on a plurality of battery cells;
- and
- responsive to the value indicative of pressure, controlling a drive unit to alter a position of at least one member operably engaging the plurality of battery cells, the altering of the position of the at least one member changing the pressure, wherein the drive unit is operably coupled with the first member through a threaded drive rod operably coupled with a corresponding threaded portion of the first member to alter the position of the first member.
Dependencies are inferred from the claim text.