ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(40), P. 46971 - 46981
Published: Sept. 27, 2023
The
exploitation
of
high-performance
supercapacitors
is
crucial
to
promote
energy
storage
technologies.
Benefiting
from
the
three-dimensional
conductive
micronanostructures
and
high
specific
capacity
PPy@CuCo2S4@NF
(polypyrrole/copper
cobalt
sulfide/nickel
foam)
composite
electrode,
this
electrode
exhibits
a
1403.21
C
g-1
at
1
A
capacitance
retention
85.79%
after
10,000
cycles
10
g-1.
assembled
PPy@CuCo2S4@NF//AC
aqueous
hybrid
supercapacitor
(AHSC)
reveals
wide
operating
potential
window
1.5
V
achieves
322.52
86.84%
15,000
AHSC
also
power
density
733.69
W
kg-1
an
67.19
h
kg-1,
surpassing
those
previously
reported
spinel-based
supercapacitors.
Ex
situ
X-ray
diffraction
photoelectron
spectroscopy
results
show
that
CuCo2S4
spinel
structure
changes
CuS2
CoS2
cube
structures,
oxidation
states
Cu
Co
increase
during
charging
discharging
processes.
Density
functional
theory
calculations
suggest
superior
conductivity
for
compared
CuCo2O4,
demonstrating
has
electrochemical
performance.
These
findings
attest
considerable
materials
advanced
applications.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(20), P. 24427 - 24436
Published: May 12, 2023
Layered
double
hydroxides
(LDHs)
are
perceived
as
a
hopeful
capacitive
deionization
(CDI)
faradic
electrode
for
Cl-
insertion
due
to
its
tunable
composition,
excellent
anion
exchange
capacity,
and
fast
redox
activity.
Nevertheless,
the
self-stacking
inferior
electrical
conductivity
of
two-dimensional
structure
LDH
lead
unsatisfactory
CDI
performance.
Herein,
three-dimensional
(3D)
hollow
nanocage
CoNi-layered
hydroxide/carbon
composites
is
well
designed
anode
by
cation
etching
pre-carbonized
ZIF-67
template.
C/CoNi-LDH
has
unique
3D
abundant
pore
features,
which
can
effectively
suppress
sheets
facilitate
transport
ions.
Moreover,
introduced
amorphous
carbon
layer
act
conductive
network.
When
employed
anode,
exhibited
high
removal
capacity
60.88
mg
g-1
rate
18.09
min-1
at
1.4
V
in
1000
L-1
NaCl
solution.
The
mechanism
intercalation
pseudo-capacitance
reaction
revealed
electrochemical
kinetic
analysis
ex
situ
characterization.
This
study
provides
vital
guidance
design
high-performance
electrodes
CDI.
Coordination Chemistry Reviews,
Journal Year:
2024,
Volume and Issue:
512, P. 215876 - 215876
Published: April 26, 2024
The
utilization
of
metal–organic
frameworks
(MOFs)
in
energy
storage
applications
is
constrained
by
their
limited
electrical
conductivity
and
insufficient
chemical
robustness,
posing
various
challenges
limitations.
Nevertheless,
research
has
demonstrated
that
MOF
structures
with
exceptional
porosity
adaptable
architectures
yield
a
wide
range
composites,
presenting
promising
prospects
for
improving
electrochemical
performance
devices.
When
combined
other
advanced
materials,
MOFs
form
composite
overcoming
these
constraints
exhibiting
superior
conductivity,
activity,
stability
comparison
to
pure
MOFs.
This
article
comprehensively
overviews
the
designed
chemistry
MOF-composites
metal-ion
batteries
(MIBs)
capacitors
(MICs).
synthesis
properties
composites
involving
MOFs,
including
MOF-MXene,
MOF-carbon
nanomaterials
(CNM)/graphene/carbon,
MOF-transition
metal
oxide
(TMO),
MOF/polymers,
MOF-derived
layered
double
hydroxide
(LDH),
as
well
mitigation
strategies
have
been
discussed.
A
brief
overview
electrode
materials
MIBs,
lithium-ion
(LIBs),
sodium-ion
(SIBs),
potassium-ion
(KIBs)
presented.
recent
developments
MICs,
such
(LICs),
magnesium-ion
(MGICs),
zinc-ion
(ZICs),
(SICs),
(KICs)
also
included.
Furthermore,
assessed
using
metrics,
output
voltage,
capacity,
cycle
stability,
density
(ED),
power
(PD).
comprehensive
analysis
conducted
identify
potential
obstacles
possible
mitigations
explore
future
possibilities.
Overall,
comprehension
MOF-based
approaches
enhancing
futuristic
progression
MOF-composite
MIBs
MICs
elucidated.
