Über das Chlorzink. (Studien über die Löslichkeit der Salze XIV.)

A Room‐Temperature Molten Hydrate Electrolyte for Rechargeable Zinc–Air Batteries

“…All electrolytes are proved to be liquid at room temperature (melting temperature ≤ 10 °C). Furthermore, their melting points observed are reproducible and well consistent with the previously reported phase diagram, confirming that the stoichiometric ratios of our samples are reliable. Selected physicochemical properties of ZnCl 2 · n H 2 O electrolytes studied are presented in Table S1 in the Supporting Information.…”

“…Herein, we report a Zn–air battery with the utilization of an affordable Zn molten hydrate electrolyte to address the above issues ( Figure 1 a,b). Zinc chloride has been known for a century as one of the most water‐soluble inorganic metal salts . In the extremely concentrated state, the binary mixture is defined as zinc molten hydrate or hydrate melt (Figure S1, Supporting Information), with all water molecules participating in Zn 2+ hydration shells.…”

Strategies of regulating Zn2+solvation structures for dendrite-free and side reaction-suppressed zinc-ion batteries

“…Besides, zinc chloride (ZnCl 2 ) was investigated as a candidate for high-concentration electrolytes because of its high solubility in water-based solutions. 102,103 Compared with 20 M ZnCl 2 , 30 M ZnCl 2 could significantly suppress the generation of [Zn(H 2 O) 6 ] 2+ ions, whereas the number of [Zn(H 2 O)Cl 4 ] 2− and [ZnCl 4 ] 2− ions with less coordinated H 2 O molecules increased (Fig. 3g and h).…”

Crystal structures of ZnCl2·2.5H2O, ZnCl2·3H2O and ZnCl2·4.5H2O

“…Zinc chloride solutions, especially at lower temperatures, are helpful in the understanding of the formation of different complex ion species in solution. The solubility of zinc chloride in water has been investigated by several authors in different concentration areas and at different temperatures (Haghighi et al, 2008;Mylius & Dietz, 1905;Jones & Getman, 1904;Chambers & Frazer, 1900;Biltz, 1902;Dietz, 1899;Etard, 1894). In the literature (Mylius & Dietz, 1905), the 4-, 3-, and 2.5-hydrates have been reported at lower temperatures.…”