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Metal Anode - Springer Nature

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Last Updated: 06 May 2022

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Dynamic observation of dendrite growth on lithium metal anode during battery charging/discharging cycles

Lithium metal is one of the most common anode materials for use in next-generation batteries, according to Lithium metal. However, despite decades of study, commercial application of lithium metal batteries hasn't yet been established, since the basic interfacial mechanism of lithium dendrite growth is not fully understood. When an electrolyte additive is dissolving in an organic ethylene carbonate electrolyte solvent, an electrolyte additive is dissolved in a organic ethylene carbonate electrolyte solvent is used to investigate the dendrite mitigation process.

Source link: https://doi.org/10.1038/s41524-022-00788-6


Robust ZnS interphase for stable Zn metal anode of high-performance aqueous secondary batteries

A thin-controlled ZnS passivation layer was fabricated on the Zn metal surface to produce Zn@ZnS electrode by oxidation—orientation sulfuration by the liquid- and vapor-phase hydrothermal reactions, as shown herein. The as-prepared Zn@ZnS electrode exhibits a promising anti-corrosion and non-determinative hydrogen evolution reaction, benefiting from the chemical stability of the ZnS interphase. Following this, the Zn@ZnS developed 300 cycles in the symmetric cells with a 42 mV overpotential, 200 cycles in half cells with a 78 mV overpotential, and outstanding rate results in ZnNH_4O_10 full cells.

Source link: https://doi.org/10.1007/s12613-022-2454-z


Electrolyte and current collector designs for stable lithium metal anodes

To stabilize the SEI film of LMAs, we developed LiPF_6-LiNO_3 solid electrolyte and lithium bisimide -carbonate electrolyte and lithium bisimide -carbonate electrolyte electrolyte. We found that the unstable solid electrolyte electrolyte. . We also obtained controlled lithium deposition in nano-cavities by incorporating selective lithium deposition in porous current collectors, lithiophilic metal guided lithium deposition, and iron carbide induced underpotential lithium deposition in nano-cavities.

Source link: https://doi.org/10.1007/s12613-022-2442-3


A robust all-organic protective layer towards ultrahigh-rate and large-capacity Li metal anodes

The poor cycling performance and uncontrolled dendrite rise as a result of a volatile and heterogeneous lithium–electrolyte interface have greatly hampered the practical application of lithium metal batteries. In this research, a robust all-organic interfacial protective layer has been developed to produce a highly effective and dendrite-free lithium metal anode by the rational incorporation of porous polymer-based molecular brushes with single-ion-conductive lithion-conductive lithion. The porous x PCMS inner cores with rigid hypercrosslinked skeletons significantly increase mechanical rigidity and provide sufficient channels for rapid ionic conduction, while flexible PEGMA and lithion polymers allow for the establishment of a highly rigid artificial protective layer with consistent Li+ diffusion and high Li+ transference values. With such novel solid electrolyte interphases, ultralong-term cycling at unprecedented current density of 10 mA cm2 for over 9,100 h, and unprecedented reversible lithium plating/stripping at a large areaal capacity have been achieved for lithium metal anodes.

Source link: https://doi.org/10.1038/s41565-022-01107-2


Cyclohexanedodecol-Assisted Interfacial Engineering for Robust and High-Performance Zinc Metal Anode

Zinc-ion batteries can be one of the most popular electrochemical energy storage solutions for being non-flammable, low-cost, and ecofriendly. To solve these problems, we firstly establish [Zn_5]:2+ complex ion in an aqueous Zn electrolyte and then build a robust barrier layer on the Zn surface to solve these challenges. para 0. 01 mg mL1 CHD, long-term reversible Zn plating/stripping could be achieved up to 2200 h at 2 mA cm2, 1000 h at 5 mA cm2, and 650 h at 10 mAh cm2 at the maximum capacity of 1 mAh cm2. Such a result may lead to the commercialization of AZIBs for applications in grid energy storage and industrial energy storage. In aqueous Zn ion battery battery, the CHD molecules could possibly change the hydrated Zn-62+ frame. The addition of CHD could provide robust protection layers on the Zn electrode surface.

Source link: https://doi.org/10.1007/s40820-022-00846-0

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions