Multidentate coordination chemistry remodeling solvation sheath and interfacial evolution for robust aqueous Zn battery
Multidentate coordination chemistry remodeling solvation sheath and interfacial evolution for robust aqueous Zn battery
研究概述
通过Zn²⁺与溶剂多齿配位，重构溶剂化壳层及氢键网络，并调节界面吸附和质量/电荷传输，抑制锌枝晶与腐蚀。锌对称电池在10 mA/cm²下运行超过4600小时；锌–碘全电池循环65000次，软包电池容量11.5 mAh，130次后保持90%。
谱图与表征信息
Figure 3 Probing Zn nucleation and deposition via XAFS. (a) Zn K-edge XANES spectra of bare Zn and cycled anodes (10, 100, 200 cycles) in HZS and BZS electrolyte. (b) Expanded view of absorption edge regions. (c) K3-weighted FT-EXAFS spectra of bare Zn and cycled anodes (10, 100, 200 cycles). (d) Wavelet transform contour plots of Zn K-edge after 10, 100, and 200 cycles of Zn anodes.