How does a Z Cell work?
ZCell is a flow battery, a new type of energy storage
system without the overhead or degradation problems
that can impact the performance of legacy battery types
such as lithium-based or lead acid.
ZCell contains about 100 litres of a water-based zinc
bromide salt solution circulating in two separate hydraulic
circuits. In short, energy is stored by moving zinc around
inside the battery. When charging, zinc is extracted
from the zinc bromide solution and stored on a plastic
membrane. During discharge, zinc is released back to the
solution. With ZCell, there is no degradation to the battery
when the zinc is removed from the plastic membrane
at the end of each cycle, giving it a sustained, long-life
energy storage capacity.