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Cryogenic Microscopies of Energy Storage Materials: Insights into Metal Anodes, Solid-Electrolyte Interfaces, and MXenes Yihui Zhang
- Format:
- Book
- Thesis/Dissertation
- Author/Creator:
- Zhang, Yihui, author.
- Language:
- English
- Subjects (All):
- Materials science.
- Polymer chemistry.
- Energy.
- 0794.
- 0495.
- 0791.
- Local Subjects:
- Materials science.
- Polymer chemistry.
- Energy.
- 0794.
- 0495.
- 0791.
- Physical Description:
- 1 electronic resource (179 pages)
- Contained In:
- Dissertations Abstracts International 86-12B
- Place of Publication:
- Ann Arbor : ProQuest Dissertations and Theses, 2025
- Language Note:
- English
- Summary:
- The escalating global energy demand has intensified the pursuit of high energy density storage technologies, focusing on metal anode systems that promise higher energy density at lower cost. This dissertation presents comprehensive research that advances our understanding of energy storage materials, including alkali metal anodes, solid-electrolyte interfaces (SEI), and MXenes through developed cryogenic characterization techniques in batteries.Our research addresses a critical characterization gap by developing and adapting multiple cryogenic techniques specifically for energy materials research applications. By integrating cryogenic plasma focused ion beam (cryo-PFIB), time-of-flight secondary ion mass spectrometry (TOF-SIMS), cryogenic transmission electron microscopy (cryo-TEM), aberration-corrected scanning transmission electron microscopy (AC-STEM), and electron energy loss spectroscopy (EELS), we have developed novel analytical approaches that enable unprecedented insights into environmentally and beam-sensitive energy storage materials. We establish viable protocols for effectively analyzing these materials without introducing artifacts from atomic to micron scales while minimizing beam-induced damage. This positions cryogenic electron microscopy as an effective solution for high-sensitivity detection of light elements (H, Li, and F) and interface studies in energy storage systems.Additionally, we offer strategic approaches for designing low-cost, high-energy-density and safe batteries incorporating sodium metal anodes and solid polymer electrolytes (SPEs). We analyze sodium nucleation and SEI growth mechanisms with SPEs through a systematic approach combining scanning electron nanobeam diffraction (SEND), TOF-SIMS, and cryo-TEM for stable cycling. This enables statistical quantification and mapping of SEI components at the micron scale with nanometer resolution, revealing critical interface characteristics that govern battery performance
- Notes:
- Source: Dissertations Abstracts International, Volume: 86-12, Section: B.
- Advisors: Stach, Eric A. Committee members: Murray, Christopher B.; Gogotsi, Yury; Li, Christopher; Stach, Eric A.
- Ph.D. University of Pennsylvania 2025
- Local Notes:
- School code: 0175
- ISBN:
- 9798280756472
- Access Restriction:
- Restricted for use by site license
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