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Guidelines for Correlative Imaging and Analysis of Reactive Lithium Metal Battery Materials
Shuang Bai, Zhao Liu, Diyi Cheng +15
To unlock the full potential of lithium metal batteries, a deep understanding of lithium metal reactivity and its solid electrolyte interphase is essential. Correlative imaging, co…
Recycling Silicon Scrap for Spherical Si-C composite as High-Performance Lithium-ion Battery Anodes
Bhagath Sreenarayanan, Marta Vicencio, Shuang Bai +5
The growth of the semiconductor and solar industry has been exponential in the last two decades due to the computing and energy demands of the world. Silicon (Si) is one of the mai…
Freestanding LiPON: from Fundamental Study to Uniformly Dense Li Metal Deposition Under Zero External Pressure
Diyi Cheng, Thomas Wynn, Bingyu Lu +12
Lithium phosphorus oxynitride (LiPON) is a well-known amorphous thin film solid electrolyte that has been extensively studied in the last three decades. Despite the promises to pai…
Methods pressure control apparatus for lithium metal battery
Bingyu Lu, Wurigumula Bao, Weiliang Yao +3
Lithium (Li) metal anodes are essential for developing next-generation high-energy-density batteries. However, Li dendrite/whisker formation caused short-circuiting issue and short…
Suppressing chemical corrosions of lithium metal anodes
Bingyu Lu, Weikang Li, Diyi Cheng +4
The lithium (Li) metal anode is essential for next generation high energy density rechargeable Li metal batteries. Although extensive studies have been performed to prolong the cyc…
Unraveling the stable cathode electrolyte interface in all solid-state thin-film battery operating at 5V
Ryosuke Shimizu, Diyi Cheng, Minghao Zhang +6
Spinel-type LiNi0.5Mn1.5O4 (LNMO) is one of the most promising 5 V-class cathode materials for Li-ion batteries that can achieve high energy density and low production costs. Howev…
Bridging Nano and Micro-scale X-ray Tomography for Battery Research by Leveraging Artificial Intelligence
Jonathan Scharf, Mehdi Chouchane, Donal P. Finegan +11
X-ray Computed Tomography (X-ray CT) is a well-known non-destructive imaging technique where contrast originates from the materials' absorption coefficients. Novel battery characte…
Conformal Three-Dimensional Interphase of Li Metal Anode Revealed by Low Dose Cryo-Electron Microscopy
Bing Han, Xiangyan Li, Shuang Bai +7
Using cryogenic transmission electron microscopy, we revealed three dimensional (3D) structural details of the electrochemically plated lithium (Li) flakes and their solid electrol…
Carbon Free High Loading Silicon Anodes Enabled by Sulfide Solid Electrolytes for Robust All Solid-State Batteries
Darren H. S. Tan, Yu-Ting Chen, Hedi Yang +15
The development of silicon anodes to replace conventional graphite in efforts to increase energy densities of lithium-ion batteries has been largely impeded by poor interfacial sta…
Quantitatively Designing Porous Copper Current Collectors for Lithium Metal Anode
Bingyu Lu, Edgar Olivera, Jonathan Scharf +13
Lithium metal has been an attractive candidate as a next generation anode material. Despite its popularity, stability issues of lithium in the liquid electrolyte and the formation…
Unveiling the Stable Nature of the Solid Electrolyte Interphase between Lithium Metal and LiPON via Cryogenic Electron Microscopy
Diyi Cheng, Thomas Andrew Wynn, Xuefeng Wang +11
The solid electrolyte interphase (SEI) is regarded as the most complex but the least understood constituent in secondary batteries using liquid and solid electrolytes. The nanostru…
Quantifying Inactive Lithium in Lithium Metal Batteries
Chengcheng Fang, Jinxing Li, Minghao Zhang +16
Inactive lithium (Li) formation is the immediate cause of capacity loss and catastrophic failure of Li metal batteries. However, the chemical component and the atomic level structu…