ACE4 is an elecrolyte of the "Active Electrolytes" family.
Mean it is based on a salt or composition with ionic conductivity and redox capabilities.
It is of the water based family with an electrochemical window of about 1.2V and can be used to improve
capacity of double-layers supercapacitor based on active carbon electrodes or pseudocapacitors with hybrid
configuration and redox electrodes.
It not contain any toxic substances and it is not flammable.
Experimenting with it to improve the capacitiy of your experimental supercapacitors, even based on graphene.