Exploring zinc coordination in novel zinc battery electrolytes

Kar,M, Winther-Jensen,B, Forsyth,M and MacFarlane,DR 2014, Exploring zinc coordination in novel zinc battery electrolytes, Physical chemistry chemical physics, vol. 16, no. 22, pp. 10816-10822, doi: 10.1039/c4cp00749b.

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Title Exploring zinc coordination in novel zinc battery electrolytes
Author(s) Kar,M
Winther-Jensen,B
Forsyth,MORCID iD for Forsyth,M orcid.org/0000-0002-4273-8105
MacFarlane,DR
Journal name Physical chemistry chemical physics
Volume number 16
Issue number 22
Start page 10816
End page 10822
Publisher Royal Society of Chemistry
Place of publication Cambridge, England
Publication date 2014-06-14
ISSN 1463-9076
1463-9084
Keyword(s) Science & Technology
Physical Sciences
Chemistry, Physical
Physics, Atomic, Molecular & Chemical
Chemistry
Physics
METAL-AIR BATTERIES
PROTIC IONIC LIQUIDS
SOLVATE STRUCTURES
CHARGE-TRANSPORT
SALT COMPLEXES
RAMAN
SPECTROSCOPY
CHALLENGES
CHLORIDE
DENSITY
Summary The coordination of zinc ions by tetraglyme has been investigated here to support the development of novel electrolytes for rechargeable zinc batteries. Zn(2+) reduction is electrochemically reversible from tetraglyme. The spectroscopic data, molar conductivity and thermal behavior as a function of zinc composition, between mole ratios [80 : 20] and [50 : 50] [tetraglyme : zinc chloride], all suggest that strong interactions take place between chloro-zinc complexes and tetraglyme. Varying the concentration of zinc chloride produces a range of zinc-chloro species (ZnClx)(2-x) in solution, which hinder full interaction between the zinc ion and tetraglyme. Both the [70 : 30] and [50 : 50] mixtures are promising electrolyte candidates for reversible zinc batteries, such as the zinc-air device.
Language eng
DOI 10.1039/c4cp00749b
Field of Research 091205 Functional Materials
030604 Electrochemistry
Socio Economic Objective 850602 Energy Storage (excl. Hydrogen)
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID CE0561616
Copyright notice ©2014, Royal Society of Chemistry
Persistent URL http://hdl.handle.net/10536/DRO/DU:30068271

Document type: Journal Article
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