Browsing by Author "Zhu, Ziting"

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    Operando Optical Microscopy for Visualization of Dendrite Growth in an Argyrodite LPSCl-Polymer Composite Electrolyte
    (2025) Jin, Xiuyu; Huang, Di; Miao, Qiusu; Zhu, Ziting; Tong, Wei; Videla Leiva, Álvaro Rodrigo; Liu, Gao
    Herein, we demonstrate the utility of optical microscopy as an accessible technique for the in situ visualization of dendrite growth within polymer-sulfide composite solid-state electrolytes. The composite electrolyte features in situ polymerization and cross-linking of the polymer between ceramic particles, which opens up extensive opportunities for accelerated materials discovery, given the vast array of acrylate/methacrylate monomers available. Specifically, the cross-linked polymer poly(triethylene glycol dimethacrylate) (poly(TEGDMA)) was observed to effectively fill pores and inhibit dendrite growth at the lithium metal interface, attributed to its glassy state at room temperature. This work represents the first application of optical microscopy to illustrate that the incorporation of glassy, undoped polymers such as poly(TEGDMA) can serve as a viable strategy for dendrite suppression in solid-state composite electrolytes.
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    Operando Optical Microscopy for Visualization of Dendrite Growth in an Argyrodite LPSCl-Polymer Composite Electrolyte
    (Elsevier, 2025) Jin, Xiuyu; Huang, Di; Miao, Qiusu; Zhu, Ziting; Tong, Wei; Videla Leiva, Álvaro Rodrigo; Liu, Gao
    Herein, we demonstrate the utility of optical microscopy as an accessible technique for the in situ visualization of dendrite growth within polymer-sulfide composite solid-state electrolytes. The composite electrolyte features in situ polymerization and cross-linking of the polymer between ceramic particles, which opens up extensive opportunities for accelerated materials discovery, given the vast array of acrylate/methacrylate monomers available. Specifically, the cross-linked polymer poly(triethylene glycol dimethacrylate) (poly(TEGDMA)) was observed to effectively fill pores and inhibit dendrite growth at the lithium metal interface, attributed to its glassy state at room temperature. This work represents the first application of optical microscopy to illustrate that the incorporation of glassy, undoped polymers such as poly(TEGDMA) can serve as a viable strategy for dendrite suppression in solid-state composite electrolytes.