Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(12), P. 7080 - 7093
Published: Jan. 1, 2024
The
optimization
and
modification
of
nickel
foam
are
achieved
in
a
few
minutes
via
corrosion
engineering.
Synchronous
sulfurization
is
applied
to
construct
high-performance
supercapacitor
electrodes.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(29)
Published: June 16, 2023
Abstract
High‐performance
electrochemical
applications
have
expedited
the
research
in
high‐power
devices.
As
such,
supercapacitors,
including
electrical
double‐layer
capacitors
(EDLCs)
and
pseudocapacitors,
gained
significant
attention
due
to
their
high
power
density,
long
cycle
life,
fast
charging
capabilities.
Yet,
no
device
lasts
forever.
It
is
essential
understand
mechanisms
behind
performance
degradation
aging
so
that
these
bottlenecks
can
be
addressed
tailored
solutions
developed.
Herein,
factors
contributing
of
electrode
materials,
electrolytes,
other
aspects
system,
such
as
pore
blocking,
compositions,
functional
groups,
corrosion
current
collectors
are
examined.
The
monitoring
characterizing
methods,
situ,
ex
situ
techniques
explored.
In
addition,
different
types
electrolytes
materials
effects
from
an
industrial
application
standpoint
analyzed.
Next,
how
degradations
electrolyte
decompositions
lead
failure,
composition,
affect
device's
lifespan
Finally,
future
directions
challenges
for
reducing
supercapacitors'
degradation,
developing
new
methods
devices
summarized.
Small,
Journal Year:
2023,
Volume and Issue:
20(12)
Published: Nov. 10, 2023
The
fast
development
of
Internet
Things
and
the
rapid
advent
next-generation
versatile
wearable
electronics
require
cost-effective
highly-efficient
electroactive
materials
for
flexible
electrochemical
energy
storage
devices.
Among
various
materials,
binder-free
nanostructured
arrays
have
attracted
widespread
attention.
Featured
with
growing
on
a
conductive
substrate
without
using
inactive
insulating
binders,
3D
nanoarray
electrodes
facilitate
electron/ion
transportation
reaction
kinetics
more
exposed
active
sites,
maintain
structure
integrity
even
under
bending
or
twisted
conditions,
readily
release
generated
joule
heat
during
charge/discharge
cycles
achieve
enhanced
gravimetric
capacity
whole
device.
Binder-free
metal-organic
framework
(MOF)
nanoarrays
and/or
MOF-derived
high
surface
area
unique
porous
emerged
great
potential
in
field
been
extensively
exploited
recent
years.
In
this
review,
common
substrates
used
are
compared
discussed.
Various
MOF-based
nanoarrays,
including
metal
oxides,
sulfides,
selenides,
nitrides,
phosphides
nitrogen-doped
carbons,
surveyed
their
performance
along
applications
analyzed
overviewed.
addition,
key
technical
issues
outlooks
future
toward
also
offered.
Dalton Transactions,
Journal Year:
2023,
Volume and Issue:
52(8), P. 2455 - 2462
Published: Jan. 1, 2023
Two-dimensional
(2D)
MXenes
(transition
metal
carbide
or
carbonitride)
and
metal-organic
frameworks
(MOFs)
have
emerged
as
appealing
electrode
materials
for
supercapacitors
due
to
the
advantages
of
each
material
a
2D
structure.
However,
solitary
MXene
MOF
suffers
from
either
inadequate
redox
reactive
sites
low
electronic
conductivity
instability.
Here,
NiCo-MOF/MXene
heterostructures
are
fabricated
by
assembling
ultrathin
bimetallic
NiCo-MOF
nanosheets
on
exfoliated
simple
room-temperature
ultrasonic
method.
The
2D/2D
combine
MOF,
hierarchical
structure,
i.e.
large
surface
area,
highly
electrically
conductive
network,
rapid
ion
diffusion
structural
stability.
As
result,
optimal
NiCo-MOF/M10
exhibits
improved
capacitance
(1176.8
F
g-1vs.
653.4
g-1)
cycle
life
(72.5%
vs.
50.5%),
compared
with
pristine
NiCo-MOF.
Moreover,
two-electrode
cell
using
cathode
shows
outstanding
energy
storage
capability.
This
study
provides
an
opportunity
enhance
designing
heterostructures.
Small,
Journal Year:
2024,
Volume and Issue:
20(31)
Published: April 9, 2024
Abstract
In
recent
years,
nanomaterials
exploration
and
synthesis
have
played
a
crucial
role
in
advancing
energy
storage
research,
particularly
supercapacitor
development.
Researchers
diversified
materials,
including
metal
oxides,
chalcogenides,
composites,
as
well
carbon
to
enhance
power
density.
Balancing
density
with
electrochemical
stability
remains
challenging,
driving
intensified
efforts
electrode
materials.
This
review
focuses
on
progress
designing
synthesizing
core–shell
materials
tailored
for
supercapacitors.
The
architecture
offers
advantages
such
increased
surface
area,
redox
active
sites,
electrical
conductivity,
ion
diffusion
kinetics,
specific
capacitance,
cyclability.
explores
the
impact
of
core
shell
specifically
transition
oxides
(TMOs),
behavior.
Metal
oxide
choices,
cobalt
preferred
manganese
shell,
are
discussed.
also
highlights
characterization
techniques
assessing
structural,
morphological,
properties
Overall,
it
provides
comprehensive
overview
ongoing
TMOs‐based
material
research
supercapacitors,
showcasing
their
potential
applications
ranging
from
gadgets
electric
vehicles.
outlines
existing
challenges
future
opportunities
evolving
advancements,
holding
promise
high‐efficiency
devices.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 14, 2024
Abstract
Ternary
metal
sulfides
(TMSs)
have
garnered
significant
attention
as
alternative
electrode
materials
for
rechargeable
metal‐ion
battery
anodes
and
electrodes
electrochemical
supercapacitors
(SCs).
With
the
escalating
costs
of
lithium,
research
has
shifted
toward
sources
like
sodium‐ion
batteries
(NIBs)
potassium‐ion
(KIBs),
offering
cost‐effectiveness
greater
natural
abundance
globally.
However,
pursuing
suitable
beyond
lithium‐ion
(LIBs),
such
NIBs,
KIBs,
SCs
with
enhanced
energy
power
density,
remains
a
formidable
challenge.
In
this
context,
TMSs
demonstrate
remarkable
reversibility
NIB,
KIB,
SC
materials,
showcasing
multi‐electron
redox
reactions,
improved
electronic
conductivity,
higher
theoretical
capacities.
Numerous
articles
highlighted
promising
future
conversion
storage
(EECS).
Nonetheless,
practical
applications
are
hindered
by
limitations,
including
structural
stability
during
long‐standing
cyclability,
scalability.
This
review
systematically
demonstrates
how
varying
synthesis
routes
can
tailor
nanostructures
their
influence
on
activity.
Additionally,
an
in‐depth
literature
survey
is
provided
performances
in
summarize
recent
advancements
best
available
literature.
Moreover,
prospects
challenges
highlighted,
expressing
optimism
that
will
emerge
pivotal
EECS.