Rechargeable
Mg batteries have great potential in next-generation
scalable energy-storage applications, but the electrochemical performance
is limited by the Mg-intercalation cathodes. Hybrid batteries based
on dual-cation (Mg2+ and alkali metal cations) electrolytes
would not only improve the electrochemical performance but also induce
the co-intercalation of Mg2+ with alkali metal cations.
As previous reports overwhelmingly focus on Mg2+/Li+ hybrid batteries, in this work, Mg2+/Na+ and Mg2+/K+ hybrid batteries are constructed
using a typical layered VS2 cathode and studied in comparison
with Mg2+/Li+ batteries. It is observed that
Mg2+ could co-intercalate into VS2 with Li+, Na+, or K+. However, Mg-intercalation
is irreversible in the Mg2+/Li+ system, and
co-intercalation of Mg2+ and K+ would cause
a collapse of VS2. Comparatively, the co-intercalation
of Mg2+ and Na+ into VS2 exhibits
the highest reversibility, and the Mg2+/Na+ hybrid
battery shows the best cycling stability without capacity fading within
1000 cycles. Our work highlights the co-intercalation reversibility
of a non-pre-expanded layered disulfide cathode and delivers insights
for the development of high-performance rechargeable Mg metal batteries.
This study analyzes recycled materials, focusing on the case of sustainable green cosmetics packages. In recent years, environmental problems have arisen around the world, increasing the importance of environmental packages. In line with these changes, domestic and foreign cosmetics industries have launched natural ingredient cosmetics and eco-friendly material packages for each series. In this study, cases of domestic and foreign cosmetics brands were analyzed and studied based on sustainable packages. With this study as the starting point, I hope that research on better and sustainable cosmetics packages will continue in the future. According to the results of the study, it leads research on the material and design of sustainable packages compared to foreign countries and promotes consumer-led environmental protection
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