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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Efficacy of atomic layer deposition of Al2O3 on composite LiNi0.8Mn0.1Co0.1O2 electrode for Li-ion batteries
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Jet charge in heavy-ion collisions
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Exploration of hadronization through heavy flavor production at the future Electron-Ion Collider
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Recent open heavy flavor studies for the Electron-Ion Collider
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Recent open heavy flavor studies for the Electron-Ion Collider
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Heavy flavor and jet studies for the future Electron-Ion Collider
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Silicon detector R&D for the future Electron-Ion Collider
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Open heavy flavor and jet studies for the future Electron-Ion Collider
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New Hard Probe Studies for the future Electron-Ion Collider
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Explore hadronization through heavy flavor probes at the future Electron-Ion Collider
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LGAD (AC-LGAD) detector R&D at LANL for the future Electron-Ion Collider
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Explore hadronization through heavy flavor probes at the future Electron-Ion Collider
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Exploration of hadronization through heavy flavor studies at the future Electron-Ion Collider
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Latest vertex and tracking detector developments for the future Electron-Ion Collider
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Exploration of hadronization through heavy flavor production at the future Electron-Ion Collider
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Physics and Detector Overview at the Electron-Ion Collider
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Atomic-scale tuned interface of nickel-rich cathode for enhanced electrochemical performance in lithium-ion batteries
The Ni-rich layered LiNi 0.6 Mn 0.2 Co 0.2 O 2 (NMC6 22 ) is one promising cathode for lithium-ion batteries (LIBs), but suffers from poor cycling stability under high cutoff potentials. The performance degradation was reflected as capacity fading and voltage drop, having their roots in instable interface of NMC622. Aimed at improving interfacial stability, in this study, we deposited nanoscale ZrO 2 coatings conformally over NMC622 cathodes using atomic layer deposition (ALD). We found that, under a high cutoff voltage (4.5 V), the ALD ZrO 2 coatings evidently improved the performance of NMC622 cathode, showing better cyclability and higher sustainable capacity. In addition, the ALD coatings dramatically boosted the rate capability of NMC622. All these compelling performance results are ascribed to the atomic-scale tunable ZrO 2 coatings via ALD, which create stable interface and thereby inhibit unfavorable evolutions. In the study, we utilize a suite of characterization tools and various analyses to clarify the effects of ALD ZrO 2 coatings. This study will be helpful for improving the performance of nickel-rich cathodes via interfacial engineering using ALD.