Nanomaterials,
Год журнала:
2023,
Номер
13(6), С. 1049 - 1049
Опубликована: Март 14, 2023
Supercapacitors
have
become
a
popular
form
of
energy-storage
device
in
the
current
energy
and
environmental
landscape,
their
performance
is
heavily
reliant
on
electrode
materials
used.
Carbon-based
electrodes
are
highly
desirable
due
to
low
cost
abundance
various
forms,
as
well
ability
easily
alter
conductivity
surface
area.
Many
studies
been
conducted
enhance
carbon-based
supercapacitors
by
utilizing
carbon
compounds,
including
pure
nanotubes
multistage
nanostructures
electrodes.
These
examined
characteristics
potential
applications
numerous
scrutinized
use
wide
variety
nanomaterials,
such
AC,
CNTs,
GR,
CNCs,
others,
improve
capacitance.
Ultimately,
this
study
provides
roadmap
for
producing
high-quality
using
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(18)
Опубликована: Фев. 26, 2023
Abstract
Capacitive
deionization
(CDI)
is
an
emerging
water
desalination
technology
for
removing
different
ionic
species
from
water,
which
based
on
electric
charge
compensation
by
these
charged
species.
CDI
becoming
popular
because
it
more
energy‐efficient
and
cost‐effective
than
other
technologies,
such
as
reverse
osmosis
distillation,
specifically
in
dealing
with
brackish
having
low
or
moderate
salt
concentrations.
Over
the
past
decade,
research
field
has
witnessed
significant
advances
used
electrode
materials,
cell
architectures,
associated
mechanisms
applications.
This
review
article
first
discusses
ion
storage/removal
carbon
Faradaic
materials
aided
advanced
situ
analysis
techniques
computations.
It
then
summarizes
progress
toward
terms
of
structure,
surface
chemistry,
composition.
More
still,
architectures
highlighting
their
design
concepts.
Finally,
current
challenges
future
directions
are
summarized
to
provide
guidelines
research.
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(41)
Опубликована: Сен. 1, 2023
Abstract
As
one
of
the
most
appealing
energy
storage
technologies,
aqueous
zinc‐iodine
batteries
still
suffer
severe
problems
such
as
low
density,
slow
iodine
conversion
kinetics,
and
polyiodide
shuttle.
This
review
summarizes
recent
development
Zn─I
2
with
a
focus
on
electrochemistry
underlying
working
mechanism.
Starting
from
fundamentals
batteries,
zinc
anode,
well
scientific
existing
in
are
introduced.
The
concrete
strategies
dealing
cathode,
electrolyte,
separator
challenges
confronting
elaborated
well.
To
deepen
understanding
important
findings
mechanism
different
summarized
detail.
Finally,
some
guidelines
directions
for
also
provided.
is
expected
to
battery
promote
their
practical
applications
future.
ACS Nano,
Год журнала:
2023,
Номер
17(10), С. 8866 - 8898
Опубликована: Май 1, 2023
The
emergence
and
development
of
thick
electrodes
provide
an
efficient
way
for
the
high-energy-density
supercapacitor
design.
Wood
is
a
kind
biomass
material
with
porous
hierarchical
structure,
which
has
characteristics
straight
channel,
uniform
pore
good
mechanical
strength,
easy
processing.
wood-inspired
low-tortuosity
vertically
aligned
channel
architecture
are
highly
suitable
construction
electrochemical
supcapacitor
high
energy
densities.
This
review
summarizes
design
concepts
processing
parameters
electrode
supercapacitors
inspired
by
natural
woods,
including
wood-based
structural
regulation,
electric
double
layer
capacitances
(EDLCs)/pseudocapacitance
construction,
electrical
conductivity
optimization.
In
addition,
optimization
strategies
preparing
wood-like
structures
(e.g.,
3D
printing,
freeze-drying,
aligned-low
tortuosity
channels)
also
discussed
in
detail.
Further,
this
presents
current
challenges
future
trends
structures.
As
guideline,
brilliant
blueprint
will
promote
sustainable
structure
broaden
application
scopes.
Advanced Functional Materials,
Год журнала:
2022,
Номер
32(23)
Опубликована: Март 4, 2022
Abstract
Metal–nitrogen–carbon
(M–N–C)
materials
have
attracted
much
interest
in
bifunctional
oxygen‐involving
electrocatalysis
for
rechargeable
Zn–air
batteries.
Such
M–N–C
electrocatalysts
with
M–N
x
sites
show
good
activity
the
oxygen
reduction
reaction
(ORR)
but
moderate
evolution
(OER).
Herein,
an
oxygen‐rich
material
(O–Co–N/C)
a
highly
porous
nanosheet
structure
is
reported
as
electrocatalyst,
which
prepared
by
direct
pyrolysis
of
ultrathin
CoO
nanosheets
decorated
zeolitic
imidazolate
framework‐8
nanoparticles
under
inert
atmosphere.
Particularly,
Co
O–Co–N/C
electrocatalyst
contain
both
Co–N
and
Co–O
coordination
environments
to
provide
intrinsic
active
ORR
OER,
respectively.
Furthermore,
electrochemical
studies
that
catalyst
retains
comparable
common
half‐wave
potential
0.85
V
vs
reversible
hydrogen
electrode
better
OER
overpotential
0.29
at
current
density
10
mA
cm
−2
.
This
study
provides
insights
into
development
effective
metal
centers
coordinated
nitrogen
atoms.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(4), С. 1387 - 1396
Опубликована: Янв. 1, 2024
The
proposal
of
dispersion
region
can
complete
the
HC
model,
explain
anomalous
diffusion
in
low-voltage
region,
guide
microstructure
design
high-performance
materials,
and
provide
new
insights
into
storage
mechanism
SIBs.
