By chemically modifying common table sugar it is possible to stabilize the zinc ion environment in aqueous zinc batteries.
are cost-effective compared to current lithium-ion batteries and even safer, as they don’t require flammable organic electrolytes. In addition to this, Zn anodes have a high theoretical capacity, which makes these batteries even more promising for applications like future grid energy storage.The issue with zinc batteries so far is that when the zinc ion concentration on the surface of the anode drops to zero,.
According to Liu, past studies have shown that adjusting the solvent environment -called ‘solvation structure’- can increase the mobility of Zn2+ in response to the electric field and successfully suppresses the growth of dendrites. The problem was that these previous adjustments—like introducing other salts or including fewer water molecules—ended up decreasing the ionic conductivity of the system as well.
In an attempt to bridge this gap, Liu and his colleagues tried a new tack: introducing common table sugar with multiple hydroxyl groups, that is, hydrogen and oxygen bound together into the electrolyte to adjust the solvation structure of Zn2+.
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