封面图片：通过磁控溅射 Al2O3 涂层将 LiNi0.6Mn0.2Co0.2O2 相间设计为锂离子电池正极活性材料，以提高性能和稳定性（电池与超级电容器 6/2024）

IF 5.1 4区材料科学 Q2 ELECTROCHEMISTRY Batteries & Supercaps Pub Date : 2024-06-12 DOI:10.1002/batt.202480601

Atif Javed, Ardavan Makvandi, Feleke Demelash, Egy Adhitama, Bastian Heidrich, Martin Peterlechner, Gerhard Wilde, Martin Winter, Markus Börner

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引用次数: 0

摘要

封面展示了如何通过创新的射频-磁控溅射技术在 NMC 阴极颗粒上沉积氧化铝涂层，从而提高电化学性能、结构和热稳定性。由于有效保护了活性材料不与电解质直接接触，并减轻了寄生副反应，因此在长期充放电循环稳定性和容量保持方面，氧化铝涂层的 NMC 阴极比未涂层的样品表现得更好。此外，涂层样品还具有更好的结构稳定性和安全性能。更多信息，请参阅 M. Börner 及其合作者的研究文章（DOI: 10.1002/batt.202300580）。

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Cover Picture: Interphase design of LiNi0.6Mn0.2Co0.2O2 as positive active material for lithium ion batteries via Al2O3 coatings using magnetron sputtering for improved performance and stability (Batteries & Supercaps 6/2024)

The Front Cover shows how alumina coating deposited on NMC cathode particles by using innovative RF-magnetron sputtering enhances electrochemical performance structural and thermal stability. The alumina-coated NMC skier performs much better than uncoated samples in the race for long-term charge/discharge cycling stability and capacity retention due to effective protection of active material from direct contact with electrolyte and mitigating parasitic side reactions. Moreover, the coated sample showed better structural stability and safety properties. More information can be found in the Research Article by M. Börner and co-workers (DOI: 10.1002/batt.202300580).

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来源期刊

Batteries & Supercaps Multiple-

CiteScore

8.60

自引率

5.30%

发文量

223

期刊介绍： Electrochemical energy storage devices play a transformative role in our societies. They have allowed the emergence of portable electronics devices, have triggered the resurgence of electric transportation and constitute key components in smart power grids. Batteries & Supercaps publishes international high-impact experimental and theoretical research on the fundamentals and applications of electrochemical energy storage. We support the scientific community to advance energy efficiency and sustainability.