18482659. EXPANDABLE CONDUCTIVE TAB FOR STACKED ELECTRODE BATTERY CELL (GM GLOBAL TECHNOLOGY OPERATIONS LLC)
EXPANDABLE CONDUCTIVE TAB FOR STACKED ELECTRODE BATTERY CELL
Organization Name
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Inventor(s)
SriLakshmi Katar of Troy MI US
EXPANDABLE CONDUCTIVE TAB FOR STACKED ELECTRODE BATTERY CELL
This abstract first appeared for US patent application 18482659 titled 'EXPANDABLE CONDUCTIVE TAB FOR STACKED ELECTRODE BATTERY CELL
Original Abstract Submitted
A battery cell includes a first electrode stack and a second electrode stack, each having at least one pair of anode and cathode elements. The cell also includes a container defining an internal chamber housing the first and second electrode stacks and having external first and second battery terminals. The cell additionally includes a first electrically conductive tab connected to the first battery terminal and to each anode element in the first and second electrode stacks and having a first expandable portion arranged between the first and second electrode stacks. The cell also includes a second electrically conductive tab connected to the second battery terminal and to each cathode element in the first and second electrode stacks and having a second expandable portion arranged between the first and second electrode stacks. The expandable portions absorb alternating expansion and contraction of the subject electrode stacks during cell charging and discharging.
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