New synthetic routes often provide opportunities for innovation. Recently we have made considerable advances in the direct electrodeposition and hydrothermal growth at modest temperatures of high performance tin-based Li-ion anodes and LiCoO2, LiMn2O4, and Al-doped LiCoO2-based Li-ion cathodes. The electrolytically active materials were formed either as solid films, or where significant volume changes upon cycling are present, off of a 3D mesostructured template.  The capacities are near-theoretical, and in the case of the electroplated oxides, the crystallinities and electrochemical capacities of the oxides are comparable to powders synthesized at much higher temperatures (700 ~ 1000°C). The electrodeposition method significantly broadens the scope of battery form factors and functionalities, enabling a variety of highly desirable battery properties including microbatteries, and high energy, high power, and flexible designs.

Electrodeposition and hydrothermal growth of high performance solid and mesostructured Li-ion cathodes and anodes

254th National Meeting (2017)

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