Interface Instability in LiFePO4–Li3+xP1–xSixO4 All-Solid-State Batteries
نویسندگان
چکیده
منابع مشابه
Interface Stability in Solid-State Batteries
Development of high conductivity solid-state electrolytes for lithium ion batteries has proceeded rapidly in recent years, but incorporating these new materials into highperforming batteries has proven difficult. Interfacial resistance is now the limiting factor in many systems, but the exact mechanisms of this resistance have not been fully explained in part because experimental evaluation of ...
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The Grey group tackles a broad range of materials science and energy storage challenges that include various aspects of solid state chemistry, spectroscopy, and theoretical studies. To understand and control the materials that are desirable for energy storage applications, we use a suite of synthetic and analytical techniques, including diffraction, microscopy, solid state NMR, and computation....
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Understanding the role of interfaces is important for improving the performance of all-solid-state lithium ion batteries. To study these interfaces, we present a novel approach for fabrication of electrochemically active nanobatteries using focused ion beams and their characterization by analytical electron microscopy. Morphological changes by scanning transmission electron microscopy imaging a...
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The further development of all-solid-state batteries is still limited by the understanding/engineering of the interfaces formed upon cycling. Here, we correlate the morphological, chemical, and electrical changes of the surface of thin-film devices with Al negative electrodes. The stable Al-Li-O alloy formed at the stress-free surface of the electrode causes rapid capacity fade, from 48.0 to 41...
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Lithium ion secondary batteries have a high voltage and a high energy density, as shown in Fig. 1, and are widely used in mobile devices such as cell phones, notebook PCs and PDAs. However, since lithium ion secondary batteries use a flammable organic liquid electrolyte, there is a risk of explosion or fire. Fire accidents can also occur due to contamination during production or from overchargi...
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ژورنال
عنوان ژورنال: Chemistry of Materials
سال: 2018
ISSN: 0897-4756,1520-5002
DOI: 10.1021/acs.chemmater.8b01746