Zn阳极的表面修饰，具有强大的有机无机杂种相间，用于高性能水电池

这项工作报告了一种轻松的方法，可以通过简单地用Mahepe溶液将Zn箔涂上Zn阳极上的鲁棒有机无机杂交层层

A hybrid organic-inorganic layer was constructed on Zn to modulate Zn2+ flux for dendrite-free and high-stability metal anodes.

在Zn上构建了杂化有机无机层，以调节Zn2+通量，以使无树突和高稳定性金属阳极。

The electrochemical performance of Zn metal anodes in aqueous systems is greatly affected by the formation of dendrites and side reactions induced by unstable SEI and inefficient ion transport. Herein, a strategy for modulating Zn2+ flux and optimizing the electrochemical reaction pathway is proposed by constructing a hybrid organic-inorganic layer on Zn through a simple doctor blade method to achieve efficient and stable Zn plating/stripping. The flexible organic layer serves as a barrier to suppress the direct contact between Zn and H2O, thereby minimizing HER and Zn corrosion. Moreover, this layer induces homogeneous nucleation and Zn2+ flux, promoting uniform Zn plating. After cycling, the organic layer decomposes and reacts with Zn2+ to form Zn3(PO4)2 nanocrystals, which further facilitate Zn2+ migration and maintain optimal electrochemical performance. As a result, the Zn anode exhibits outstanding electrochemical performance with low nucleation overpotential, high Coulombic efficiency, and stable cycling performance over 2000 cycles at 5 mA cm−2 and 50 °C in ZnSO4 electrolyte. Furthermore, the assembled Zn//MnO2 full batteries exhibit excellent cycling stability at 0 °C and 0.5 A g−1, achieving a capacity retention of 80% over 150 cycles. Finally, the Zn//I2 batteries display excellent cycling performance at 60 °C and 1 A g−1, with a capacity retention of 92.9% over 100 cycles. This study provides valuable insights into the design of advanced metal anodes for high-energy and high-power aqueous batteries and electrochemical devices.

水性系统中Zn金属阳极的电化学性能受到树突形成和不稳定的SEI和效率低下离子转运诱导的侧反应的很大影响。在此，提出了一种通过简单的医生刀片方法在Zn上构建混合有机无机层来调节Zn2+通量和优化电化学反应途径的策略，以实现有效且稳定的ZN PLATING/剥离。柔性有机层是抑制Zn和H2O之间直接接触的障碍，从而最大程度地减少了她和Zn腐蚀。此外，该层诱导均匀成核和Zn2+通量，从而促进均匀的Zn板。循环后，有机层分解并与Zn2+反应形成Zn3（PO4）2纳米晶体，这进一步促进了Zn2+迁移并保持最佳的电化学性能。结果，Zn阳极表现出出色的电化学性能，低核超电势，高库仑效率和在5 mA cm -2和ZnSO4电解质中5 mA cm -2和50°C的2000循环的稳定循环性能。此外，组装的Zn // MNO2完整电池在0°C和0.5 A G -1下表现出极好的循环稳定性，在150个循环中达到了80％的容量。最后，Zn // I2电池在60°C和1 A G -1的循环性能出色，在100个循环中的容量保持率为92.9％。这项研究为高能和高功率水电池和电化学设备的高级金属阳极设计提供了宝贵的见解。