National Renewable Energy Laboratory (NREL)

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Golden, Colorado

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Fail-Safe Design for Li-ion Battery Systems

Technology Area: Energy Storage

Commercial Maturity: Prototype

Abstract: NREL scientists have invented a new fail-safe battery design for large-capacity cells and multi-cell packs which separates the roles of electrical current pathways, enabling robust fault detection, isolation, and improved effectiveness of safety mitigation technologies popular in small capacity lithium ion batteries (LIBs).