TY - JOUR
T1 - Needleless electrospinning for high throughput production of li7la3zr2o12 solid electrolyte nanofibers
AU - Rosenthal, Tanner
AU - Weller, J. Mark
AU - Chan, Candace K.
PY - 2019/9/18
Y1 - 2019/9/18
N2 - Li7La3Zr2O12 (LLZO) is a promising ceramic Li-ion conductor that has been successfully prepared in nanowire morphology using electrospinning from polymer/sol-gel solutions followed by calcination. However, conventional single-needle electrospinning has low production rates <0.1 g/h, making scale-up of the materials for applications in solid-state electrolytes challenging. Herein, needleless electrospinning using a twisted wire spinneret is employed to prepare Al-doped LLZO (ALLZO). We find that the appropriate precursor solutions for needleless electrospinning require much lower viscosity and are more sensitive to environmental conditions than those used in single-needle electrospinning. The as-formed nanofibers display a nanoribbon morphology, and calcination at 700 °C for 2 h in air results in phase pure ALLZO interconnected nanostructures with a cubic crystal structure. The results show that needleless electrospinning is an effective approach for preparing as-spun nanofibers with yields of â 1 g/h possible, providing a higher throughput route toward Li+ conducting nanostructures for solid-state battery applications.
AB - Li7La3Zr2O12 (LLZO) is a promising ceramic Li-ion conductor that has been successfully prepared in nanowire morphology using electrospinning from polymer/sol-gel solutions followed by calcination. However, conventional single-needle electrospinning has low production rates <0.1 g/h, making scale-up of the materials for applications in solid-state electrolytes challenging. Herein, needleless electrospinning using a twisted wire spinneret is employed to prepare Al-doped LLZO (ALLZO). We find that the appropriate precursor solutions for needleless electrospinning require much lower viscosity and are more sensitive to environmental conditions than those used in single-needle electrospinning. The as-formed nanofibers display a nanoribbon morphology, and calcination at 700 °C for 2 h in air results in phase pure ALLZO interconnected nanostructures with a cubic crystal structure. The results show that needleless electrospinning is an effective approach for preparing as-spun nanofibers with yields of â 1 g/h possible, providing a higher throughput route toward Li+ conducting nanostructures for solid-state battery applications.
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U2 - 10.1021/acs.iecr.9b03376
DO - 10.1021/acs.iecr.9b03376
M3 - Article
AN - SCOPUS:85072643157
VL - 58
SP - 17399
EP - 17405
JO - Industrial & Engineering Chemistry Product Research and Development
JF - Industrial & Engineering Chemistry Product Research and Development
SN - 0888-5885
IS - 37
ER -