Dear friends,
I am facing issues with the solid Zn air battery when discharging it. the discharging output current is less around 50 mA/cm2 and cycling is also not good. During Charging OER reactions take place and give better results. But at the time of discharging (oxygen reduction reaction) exhibits low current density. Kindly share your valuable suggestions to enhance the battery performance.
Dear friend Shadab Saifi
One of the most critical obstacles impacting the battery's performance is the deterioration of the Zn anode caused by water-induced parasitic reactions in the electrolyte ()wikipedia). A Zn-air battery is typically composed of a Zn anode, an alkaline electrolyte such as KOH, an electrically insulating separator to regulate ion transport, and an air cathode.
You may find this article helpful: "Membranes for zinc-air batteries: Recent progress, challenges and perspectives" (Article Membranes for zinc-air batteries: Recent progress, challenge...
). It discusses performance determining properties of membranes for Zn-air batteries and strategies for minimizing zincate crossover and Zn-dendrite growth.Source:
(1) Rechargeable Zn-air batteries: Recent trends and future perspectives. https://www.sciencedirect.com/science/article/pii/S1364032121010406.
(2) Membranes for zinc-air batteries: Recent progress, challenges and .... https://www.sciencedirect.com/science/article/pii/S0378775320309939.
(3) Nickel–zinc battery - Wikipedia.
(4) Solar charging of a Zn-air battery - ScienceDirect. https://www.sciencedirect.com/science/article/abs/pii/S0378775322013611.
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