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University of Texas at Arlington

Electrical Engineering Dissertations

Theses/Dissertations

2018

Battery Aging

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Lifepo4 Batteries: Impact Of Highly Parallel Packs On Load Distribution And Cycle Life, Caroline Storm Westenhover Aug 2018

Lifepo4 Batteries: Impact Of Highly Parallel Packs On Load Distribution And Cycle Life, Caroline Storm Westenhover

Electrical Engineering Dissertations

The United States Navy is considering Li-ion batteries for use as a primary power source for future naval shipboard pulsed-power applications. To supply sufficient power to a load, electrochemical cells are connected in series and parallel to create a higher voltage and higher capacity battery. The simplest way of connecting multiple cells in parallel is to tie all positive terminals together, all negative terminals together, and then electrically treat the array of cells as a single cell within the larger battery. In this configuration, a single battery management system (BMS) can be used to manage N parallel cells but there …