> gas-phase reaction of chlorine or bromine with silver azide, followed by trapping in argon matrices at 10 K Certainly not a process that can be made simple,

> gas-phase reaction of chlorine or bromine with silver azide, followed by trapping in argon matrices at 10 K Certainly not a process that can be made simple, safe and efficient for use in a battery: explosives or rocket fuel are the only possible kinds of "clean energy-storage materials".