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相关概念视频

Formation of Complex Ions03:45

Formation of Complex Ions

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A type of Lewis acid-base chemistry involves the formation of a complex ion (or a coordination complex) comprising a central atom, typically a transition metal cation, surrounded by ions or molecules called ligands. These ligands can be neutral molecules like H2O or NH3, or ions such as CN− or OH−. Often, the ligands act as Lewis bases, donating a pair of electrons to the central atom. These types of Lewis acid-base reactions are examples of a broad subdiscipline called coordination...
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相关实验视频

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Zinc-Sponge Battery Electrodes that Suppress Dendrites
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通过协同共溶剂介导的溶解调节和聚氧诱导的界面稳定,通过无树脂的Zn阳极.

Xinxin Xing1,2, Kai Qi2, Wenjing Zhang1,2

  • 1School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China.

Small (Weinheim an der Bergstrasse, Germany)
|January 15, 2026
PubMed
概括

这项研究引入了一种使用1,2-propanediol和D-sorbitol来稳定水性离子电池 (AZIB) 中的阳极的双重调节策略,提高安全性和性能.

关键词:
添加剂的添加剂是什么水性离子电池水性离子电池作为一种共同溶剂的配溶剂.溶解结构是一个溶解结构.

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Harvesting Solar Energy by Means of Charge-Separating Nanocrystals and Their Solids
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Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition
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Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition

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Preparation and Use of Photocatalytically Active Segmented Ag|ZnO and Coaxial TiO2-Ag Nanowires Made by Templated Electrodeposition
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科学领域:

  • 材料科学 材料科学 材料科学
  • 电化学 电化学 电化学
  • 储能 储能 储能 储能 储能 储能

背景情况:

  • 水性离子电池 (AZIB) 提供安全,丰富和低成本的能量存储.
  • 挑战包括树突,进化和腐蚀,阻碍商业化.

研究的目的:

  • 使用"双调节"电解质策略为AZIBs开发稳定的阳极.
  • 为了提高AZIB的安全性,耐用性和低温性能.

主要方法:

  • 引入1,2-propanediol (PG) 作为辅溶剂,以修改 Zn 2+ 溶解结构并抑制进化.
  • 添加D-sorbitol (DS) 来促进在 (002) 晶体平面上的优先Zn2+沉积,以增强界面稳定性.

主要成果:

  • Zn//Zn对称细胞实现了3300小时的循环稳定性.
  • 在1400个循环中,Zn//Cu半细胞显示了99.74%的库伦比效率.
  • 在 -20°C和1Ag-1的1500个循环后,Zn//PANI全细胞保持了81.5%的容量.

结论:

  • 双调节策略有效地稳定了阳极,提高了电解质性能.
  • 这种方法为开发高性能,安全和耐用的AZIB提供了有希望的途径.