InfoMat,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 11, 2025
Abstract
MXenes,
a
class
of
two‐dimensional
(2D)
transition
metal
carbides,
and
covalent
organic
frameworks
(COFs)
deliver
unique
structural
electrochemical
properties,
making
them
promising
candidates
for
energy
storage
conversion
applications.
MXenes
exhibit
excellent
conductivity
tunable
surface
chemistries,
whereas
the
COFs
provide
high
porosity
versatility.
Recent
advances
in
integrating
MXene‐COF
composites
have
revealed
their
potential
to
enhance
charge
transfer
storage/conversion
properties.
The
work
highlights
key
developments
integration,
offering
insights
into
applications
batteries
(Li‐ion,
K‐ion,
Na‐ion,
Li‐S),
supercapacitors,
electrocatalysis
(HER,
OER,
RR,
NRR,
ORRCO2),
while
also
addressing
current
challenges
future
directions
not
only
but
other
electronic
devices.
image
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(4), P. 1488 - 1494
Published: Feb. 13, 2024
Long
cycle
life
and
high
energy/power
density
are
imperative
for
energy
storage
systems.
Similarly,
flexible
free-standing
electrodes
important
supercapacitor
applications.
Herein,
we
report,
the
first
time,
use
of
thienothiophene
(TT)
a
single-walled
carbon
nanotube
(SWCNT)-based
hybrid
material
(TT-TPA-SWCNT)
as
high-performance
supercapacitor.
The
synthesized
TT
derivative,
TT-TPA,
was
directly
attached
to
SWCNT
through
noncovalent
interactions
obtain
TT-based
hybrid,
TT-TPA-SWCNT,
film.
film
clarified
by
surface
analysis
methods
scanning
electron
microscopy
atomic
force
microscopy.
TT-TPA-SWCNT
used
electrode
in
two-electrode
system
It
displayed
capacity
83.2
F
g–1
at
5
mV
s–1
scan
rate,
an
excellent
cyclic
stability
with
110%
retention
its
initial
specific
capacitance
after
7000
cycles
long
power
ranged
from
100
3000
W·kg–1,
demonstrating
that
is
promising
nanomaterial
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(9), P. 4268 - 4278
Published: May 1, 2024
The
continuous
and
scalable
manufacture
of
porous
carbon
electrode
materials
with
controlled
pore
architecture
holds
paramount
importance
in
the
development
efficient
sustainable
energy
storage
systems.
Herein,
a
green
industrially
feasible
physical
activation
strategy
was
proposed
to
produce
heteroatom
self-doped
hierarchical
carbons
(HPCs)
by
using
polyvinyl
butyral
(PVB)
as
sacrificial
template
cross-linking
agent
low-rank
coal
low-cost
precursor.
optimal
HPC-20
has
highly
interconnected
multiscale
structure,
large
specific
surface
area,
heteroatom-enriched
surfaces.
synergistic
effect
these
advantages
provides
variety
benefits,
including
fast
charge/discharge
rates
abundant
sites.
Specifically,
exhibited
an
appreciable
capacitance
304
F
g–1
at
0.5
A
excellent
rate
performance
(capacitance
retention
65.8%
50
g–1).
Furthermore,
symmetric
supercapacitor
achieved
maximum
density
23.1
W
h
kg–1
power
450
1
M
Na2SO4
electrolytes.
This
work
proposes
approach
for
large-scale
production
controllable
structure
from
coal.
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(9), P. 3558 - 3576
Published: April 18, 2024
In
this
work,
tin
sulfide
nanosheets
decorated
on
face-mask-derived
activated
carbon
have
been
explored
as
electrode
material
for
electrochemical
supercapacitors.
A
hydrothermal
route
was
employed
to
grow
the
surface
and
inside
of
high-surface-area
carbon,
at
850
°C,
produce
a
hierarchical
interconnected
porous
composite
(ACFM-850/TS)
structure.
The
presence
in
framework
exposed
active
sites
rapid
adsorption/desorption
electrolyte
ions
ensured
high
utilization
surface.
Furthermore,
ACFM-850
prevented
stacking/agglomeration
sheets,
thereby
enhancing
charge-transport
kinetics
electrodes.
Benefiting
from
synergistic
effect
ACFM-850,
resulting
ACFM-850/TS
exhibited
an
attractive
specific
capacitance
423
F
g–1
0.5
current
density
superior
rate
capability
(71.3%
30
density)
1.0
M
Na2SO4
electrolyte.
addition,
we
fabricated
planar
symmetric
interdigitated
supercapacitor
stretchable
Spandex
fabric
using
carboxymethyl
cellulose/NaClO4
solid-state
gel
employing
scalable
screen-printing
process.
as-prepared
supercapacitors
displayed
ultrahigh
energy
9.2
μWh
cm–2
power
0.13
mW
cm–2.
they
excellent
cyclic
stability
64%
even
after
10,000
charge–discharge
cycles
42%
1000
continuous
stretch
(at
25%
stretching)/release
cycles.
Such
screen-printed
with
electrodes
act
promising
low-cost
energy-storage
devices
wearable
flexible
integrated
electronic
devices.
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(17), P. 7517 - 7533
Published: Aug. 29, 2024
In
the
evolving
domain
of
energy
storage
technologies,
synergy
sustainable
materials
and
enhanced
performance
metrics
is
crucial.
This
study
focuses
on
zinc-ion
hybrid
supercapacitors
(ZHSs),
distinguished
by
their
impressive
power
densities.
The
research
meticulously
evaluates
biomass-derived
activated
carbon
(AC)
as
an
effective
electrode
material,
selecting
four
distinct
biomass
sources:
jute
sticks,
olive
leaves,
mango
date
leaves.
These
were
chosen
due
to
plentiful
availability
rich
lignocellulosic
properties.
Among
configurations
studied,
stick
derived
AC
(JC)
stood
out
with
its
tailored
morphology
substantial
specific
surface
area
1370
m2/g.
design
facilitated
exceptional
rate
capabilities
efficient
ion
transport,
culminating
in
remarkable
long-term
stability.
Electrochemical
analyses
across
all
revealed
a
comprehensive
profile.
JC-based
ZHS
exhibited
capacitance
204
F/g,
density
73
Wh/kg,
400
W/kg.
comparison,
OC-based
(olive
leaves),
MC-based
(mango
DC-based
(date
leaves)
ZHSs
demonstrated
capacitances
182,
155,
80
F/g;
densities
64,
55,
28
respectively,
maintained
Interestingly,
capacity
retention
130%
after
20,000
cycles,
highlighting
resilience
consistency.
A
real-world
application
was
successfully
powering
toy
car
solely
our
developed
coin
cell,
showcasing
practicality
efficiency
technology
operational
devices.
findings
underscore
potential
AC,
particularly
from
developing
supercapacitors.
With
high
performance,
demonstrates
use
complying
circular
economy
concepts
establishing
benchmark
for
future
applications.
