Atomic Layer Deposition of the Solid Electrolyte Garnet Li7La3Zr2O12

By Kazyak, Eric; Chen, Kuan-Hung; Wood, Kevin N.; Davis, Andrew L.; Thompson, Travis; Bielinski, Ashley R.; Sanchez, Adrian J.; Wang, Xiang; Wang, Chongmin; Sakamoto, Jeff; Dasgupta, Neil P.
Published in Chemistry of Materials NULL 2017

Abstract

Lithium solid electrolytes are a promising platform for achieving high energy density, long-lasting, and safe rechargeable batteries, which could have widespread societal impact. In particular, the ceramic oxide garnet Li7La3Zr2O12 (LLZO) has been shown to be a promising electrolyte due to its stability and high ionic conductivity. Two major challenges for commercialization are the manufacture of thin layers and the creation of stable, low-impedance interfaces with both anode and cathode materials. Atomic layer deposition (ALD) has recently been shown to be a powerful method for depositing both solid electrolytes and interfacial layers to improve the stability and performance at electrode

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