Environmental Functional Materials,
Journal Year:
2023,
Volume and Issue:
2(3), P. 290 - 303
Published: Dec. 1, 2023
Conventional
capacitive
deionization
(CDI),
originally
developed
as
a
promising
desalination
technique
based
on
the
formation
of
electric
double
layers
(EDLs)
at
surface
porous
electrodes,
has
recently
shown
significant
advancements.
Notably,
utilization
pseudocapacitive
electrodes
demonstrated
capability
to
enhance
salt
adsorption
capacity
(SAC)
and
selectivity
specific
ions.
This
comprehensive
review
encapsulates
latest
research
endeavored
in
CDI,
with
an
emphasis
electrode
materials
their
role
augmenting
SAC.
The
development
broadened
scope
CDI
applications
water
wastewater
treatment
resource
recovery.
Hence,
we
also
evaluated
manifold
including
recovery
(e.g.,
lithium,
phosphate
nitrate),
anion
removal
fluoride,
sulfate,
chromium
arsenic),
softening,
heavy
metals
nickel,
cesium,
lead,
copper,
cadmium
chromium)
addition
desalination.
Lastly,
provide
forward-looking
perspective
forthcoming
directions
potential
developments
within
realm
technology.
