A cleaning method, system and cleaning solution for metal-air batteries

Abstract

The invention discloses a cleaning method, system and cleaning solution for a metal-air battery. After the discharge of the metal-air battery is completed, a discharge end signal is fed back to a control unit; the control unit starts the cleaning system in response to the discharge end signal, The cleaning solution is injected into the metal-air battery by triggering the cleaning system, so that the injected cleaning solution reacts chemically with the residual electrolyte in the metal-air battery, thereby realizing the cleaning operation of the metal-air battery. In this way, after the discharge of the metal-air battery is completed, the present invention overcomes the further reaction pulverization of the residual electrolyte to the metal anode by cleaning the residual electrolyte in the metal-air battery, thereby improving the utilization rate of the anode, increasing the discharge capacity, and reducing resources. waste, prolonging the life of the system.

Description

technical field [0001] The invention relates to a novel battery protection technology, in particular to a cleaning method, system and cleaning solution for metal-air batteries. Background technique [0002] Metal-air batteries, such as aluminum-air batteries, magnesium-air batteries, and zinc-air batteries, have similar chemical reactions, mainly using high-purity metals as negative electrodes, oxygen as positive electrodes, and potassium hydroxide (KOH) or sodium hydroxide (NaOH) etc. as the electrolyte. [0003] Taking aluminum-air batteries as an example, the electrolytes such as KOH and NaOH are mostly strong alkaline solutions (referred to as strong alkali), so after the aluminum-air battery discharges the strong alkali, there will still be a large amount of strong alkali Residues on the aluminum alloy anode will cause serious corrosion to the aluminum anode after a long time. Corrosion of the aluminum anode reduces the fuel utilization rate of the aluminum anode, ind...

AI Technical Summary

Problems solved by technology

[0003] Taking aluminum-air batteries as an example, the electrolytes such as KOH and NaOH are mostly strong alkaline solutions (referred to as strong alkali), so after the aluminum-air battery discharges the strong alkali, there will still be a large amount of strong alkali Residues on the aluminum alloy anode will cause serious corrosion to the aluminum anode after a long time

Corrosion of the aluminum anode reduces the fuel utilization rate of the aluminum anode, indirectly causes a waste of resources, and also reduces the capacity of the battery system

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