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Advances in rapid and effective break-in/conditioning/recovery of automotive PEMFC stacks

Published: 14 September 2021

Abstract: Automotive proton exchange membrane fuel cell (PEMFC) stacks need to meet manufacturer specified rated beginning-of-life (BOL) performance before being assembled into vehicles and shipped off to customers. The process of ‘breaking-in’ of a freshly assembled stack is often referred to as ‘conditioning’. It has become an intensely researched area especially in automotive companies where imminent commercialization of fuel cell electric vehicles (FCEVs) demands a short, energy efficient, cost efficient and practical conditioning protocol. Significant advances in reducing the conditioning time from 1–2 days to as low as 4 hours or less, in some cases without the use of additional inert gases such as nitrogen, and with minimal use of hydrogen and specialized test stations are discussed.
Keywords: Automotive Fuel Cell / PEMFC / Stack / Conditioning / Break-in / Recovery / Protocol

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