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Anju Toor

Postdoctoral Researcher

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Research Advisor: Prof. Ana Arias

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BETR Research Thrust: Printed and Flexible Electronics

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Bio

Anju Toor completed her Ph.D. in Mechanical Engineering at the University of California, Berkeley in 2017 under the guidance of Prof. Albert Pisano. She also collaborated closely with Prof. Thomas Russell at LBNL. During Ph.D. she worked on (1) design and synthesis methods for functional, responsive nanocomposites at liquid-liquid interfaces and (2) polymer nanocomposite dielectric materials for energy storage applications. After graduation, she worked at Intel as a Process Integration Technologist in the 3D XPoint NVM development. She is currently a postdoc with Prof. Arias and Prof. Pister working on “On-Chip Integrated Microbatteries” for MEMS and flexible electrochemical sensors.

Research

Despite the popularity and widespread demand for miniaturized electronic devices, limited advances have been made to design energy storage mechanisms that can satisfy their power and size requirements. I have developed a fabrication process to produce miniature Li-ion batteries by combining the stencil printing process to deposit thick high capacity electrodes and an adhesive based sealing method for battery packaging, with active areas as small as 1 mm². These batteries have roughly 8 times the areal capacity of commercial micro-batteries and demonstrate a significantly higher discharge capacity (6.4 mAh/cm²) and energy density (23.6 mWh/cm²) than previously reported thin-film and thick-film, and 3D micro-batteries.

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