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Nucleation and deposition characteristics of Li metal. SEM images of a) Cu, b) NC, and c) Fe@NC electrodes after 0.1 mAh cm–2 Li deposition at a current density of 0.01 mA cm–2. SEM images of d) Cu, e) NC, and f) Fe@NC electrodes after Li deposition at a current density of 1 mA cm–2.
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Lithium (Li) metal has earned valuable status among the most auspicious anodes for the assembly of next‐generation rechargeable batteries. However, the dendritic growth and infinite change in volume of metallic Li anode strongly hinder its use for practical applications. Here, the preparation of atomically dispersed iron doped ZIF‐8 through pyrolys...
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The drastic volume expansion and dendrite growth of lithium metal anodes give rise to poor electrochemical reversibility. Herein, ZnO, N dually doped nanocages (c-ZNCC) were synthesized as the host for lithium metal anodes using the zeolitic imidazolate framework-8 (ZIF-8). The synthesis is based on a two-step core@shell evolution mechanism, which...
Citations
... Moreover, notwithstanding the typical incompatibility of nucleophilic organic magnesium compounds with sulfur-based conversion cathodes, scholars have effectively modified nucleophilic (PhMgCl) 2 -AlCl 3 /THF electrolytes to conform to the needs of Mg-S batteries [53,54]. These systems benefit from their similarity to the sulfur reduction mechanism in Li-S batteries, which means it is possible to try to use the same base cathode materials [44,[55][56][57], electrolytes [58-60], separators [61][62][63], and methodologies [64,65] for the development of Mg-S batteries. ...
Magnesium–sulfur batteries are an emerging technology. With their elevated theoretical energy density, enhanced safety, and cost-efficiency, they have the ability to transform the energy storage market. This review investigates the obstacles and progress made in the field of electrolytes which are especially designed for magnesium–sulfur batteries. The primary focus of the review lies in identifying electrolytes that can facilitate the reversible electroplating and stripping of Mg2+ ions whilst maintaining compatibility with sulfur cathodes and other battery components. The review also addresses the critical issue of managing the shuttle effect on soluble magnesium polysulfide by looking at the innovative engineering methods used at the sulfur cathode’s interface and in the microstructure design, both of which can enhance the reaction kinetics and overall battery efficiency. This review emphasizes the significance of reaction mechanism analysis from the recent studies on magnesium–sulfur batteries. Through analysis of the insights proposed in the latest literature, this review identifies the gaps in the current research and suggests future directions which can enhance the electrochemical performance of Mg-S batteries. Our analysis highlights the importance of innovative electrolyte solutions and provides a deeper understanding of the reaction mechanisms in order to overcome the existing barriers and pave the way for the practical application of Mg-S battery technology.
