World first Aluminium Bromine battery prototype. The test cell perform really good at some numbers of cycles. The bromine forms on the positive electrode and aluminium on the negative electrode when the cell was charged.
In water based AlBr3 electrolyte I dont get the desired plating of the aluminium on the negative electrode, therefore I need to swich to non water electrolytes like DES type. The base electrolyte is DES (liquid part of electrolyte) and AlBr3 like active part of electrolyte. The reaction of Aluminium and Bromine is violent and exothermic,… but surprisingly this was not the case in a presence of DES base.
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May 10, 2020 at 04:23AM