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U.S. Department of Health and Human Services

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Research Project: Battery Safety and Usage in Medical Devices

Many medical devices use batteries as either their primary source of power or as a backup in case of AC power failures. During the course of recent reviews and investigations into medical device failures, batteries and their associated charging circuits have often been identified as the root cause of problems. These failures are occurring in various devices from multiple vendors; thus, an investigative study into this problem is needed. This study by the DESE Electrical Engineering Lab focuses on the characteristics and behavior of high-density, rechargeable Lithium ion batteries with a specific focus on charging/discharging and temperature rise effects.