The superior energy density and more recent drastic cost reduction have made the Li-ion battery the most promising energy storage technology of the past 20 years. However, several high-profile failures have made the public wary of the potentially dangerous nature of Li-ion batteries. These battery failures – from the ones that grounded the Boeing Dreamliner to the more recent Samsung Galaxy Note 7 – can place consumers in danger as well as require expensive recalls and redesigns. This report presents case studies of previous Li-ion battery failures, quantifying the financial impact to the companies as well as identifying the causes of failure and companies’ responses. It also analyzes the battery components that most affect safety, and finds that separator choice and battery pack design have the largest influence on battery safety. Note: Lux analysts have reviewed this content in the last six months and deemed it still current and relevant. We will continue to periodically review content for recency and relevance, and will either archive or refresh this content as the situation requires. Please reach out to your Customer Success Manager if you have any further questions.
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