封面专题：使用二茂铁基镍（II）和锌（II）卟啉作为钠二次电池的活性有机电极材料（电池与超级电容器 6/2024）

IF 4.5 4区材料科学 Q2 ELECTROCHEMISTRY Batteries & Supercaps Pub Date : 2024-06-12 DOI:10.1002/batt.202480603

Dr. K. Asheim, I. F. Holsen, Dr. V. Renmann, Dr. M. V. Blanco, P. E. Vullum, N. P. Wagner, J. P. Mæhlen, Prof. A. M. Svensson

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引用次数: 0

摘要

封面专题展示了一种实用的有机电极材料，该材料由卟啉锌和二茂铁组成。其钠离子电池在 200 mA g-1 电流条件下显示出 118 mA h g-1 的持久可逆容量，从而显示出比平行游离基和卟啉镍电极更优越的快速电化学电荷存储容量和稳定的循环性能。更多信息，请参阅 J. Hwang、J.-Y. Shin 及合作者的研究文章（DOI.Shin 及其合作者的研究文章中（DOI: 10.1002/batt.202400004）。

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Cover Feature: Enabling the Use of Lithium Bis(trifluoromethanesulfonyl)imide as Electrolyte Salt for Li-Ion Batteries Based on Silicon Anodes and Li(Ni0.4Co0.4Mn0.2)O2 Cathodes by Salt Additives (Batteries & Supercaps 6/2024)

The Cover Feature illustrates that addition of lithium difluoro(oxalato)borate salt (LiDFOB) to an electrolyte based on lithium bis(trifluoromethanesulfonyl)imide (LiFSI) enables the cycling of full cells with the cathode at voltages of up to 4.5 V, without corrosion of the aluminium current collector. The LiDFOB additive aids the formation of a passivating SEI at the surface of the silicon anode, as well as the formation of a protective CEI layer on the NMC cathode and the aluminium current collector. More information can be found in the Research Article by A. M. Svensson and co-workers (DOI: 10.1002/batt.202300541).

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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.