Electrolyte used for waste lithium battery discharge, and waste lithium battery discharge method
A waste lithium battery and electrolyte technology, applied in the field of electrolyte, can solve the problems of unfeasible large-scale discharge, overheating, corrosion of electrodes, etc., to solve polarization and pollution of reaction products, promote anode reaction, and achieve high reaction speed Effect
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[0022] Example 1
[0023] An electrolyte for discharging waste lithium ion batteries, in which CuSO 4 The concentration is 0.1mol / L.
[0024] When investigating the discharge of the electrolyte, a laboratory test method was used, including the following steps:
[0025] Lead the positive and negative electrodes of the used lithium-ion battery with wires and connect them to the nickel sheets respectively, and then put the nickel sheets into the above electrolyte respectively, and then measure the current and / or voltage changes with time during the battery discharge process. At the same time, observe the changes in the surface of the positive and negative nickel sheets in the electrolyte until the current and voltage stabilize, then the discharge ends.
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[0026] Example 2
[0027] An electrolyte for discharging waste lithium ion batteries, in which CuSO 4 The concentration is 0.3mol / L;
[0028] Please refer to Example 1 for a method for safe discharge of used lithium ion batteries.
Example Embodiment
[0029] Example 3
[0030] An electrolyte for discharging waste lithium ion batteries, in which CuSO 4 The concentration is 0.5mol / L;
[0031] Please refer to Example 1 for a method for safe discharge of used lithium ion batteries.
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