We present the thermal evolution of two NASICON-type ceramics namely LATP (Li1+xAlxTi2−x(PO4)3) and LAGP (Li1+xAlxGe2−x(PO4)3) by monitoring the electrode-electrolyte interfaces (i.e., Li/LATP and Li/LAGP) at temperatures up to 330 °Cvia in situscanning electron microscopy, post-mortem energy-dispersive spectroscopy, and X-ray diffraction. Upon melting of Li and contacting electrolytes, LAGP decomposes completely to form Li based alloys, while LATP is partially decomposed without alloying.
Thermal evolution of NASICON type solid-state electrolytes with lithium at high temperaturevia in situscanning electron microscopy / Kaboli, S.; Girard, G.; Zhu, W.; Gheorghe Nita, A.; Vijh, A.; George, C.; Trudeau, M. L.; Paolella, A.. - In: CHEMICAL COMMUNICATIONS. - ISSN 1359-7345. - 57:84(2021), pp. 11076-11079. [10.1039/d1cc04059f]
Thermal evolution of NASICON type solid-state electrolytes with lithium at high temperaturevia in situscanning electron microscopy
Paolella A.
Conceptualization
2021
Abstract
We present the thermal evolution of two NASICON-type ceramics namely LATP (Li1+xAlxTi2−x(PO4)3) and LAGP (Li1+xAlxGe2−x(PO4)3) by monitoring the electrode-electrolyte interfaces (i.e., Li/LATP and Li/LAGP) at temperatures up to 330 °Cvia in situscanning electron microscopy, post-mortem energy-dispersive spectroscopy, and X-ray diffraction. Upon melting of Li and contacting electrolytes, LAGP decomposes completely to form Li based alloys, while LATP is partially decomposed without alloying.
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