MXene-based Micro-Supercapacitors Powered Integrated Sensing System: Progress and Prospects
Energy storage materials,
Год журнала:
2024,
Номер
74, С. 103907 - 103907
Опубликована: Ноя. 14, 2024
Язык: Английский
Tailoring Conductive MXene@MOF Interfaces: New Generation of Synapse Devices for Neuromorphic Computing
Chemistry of Materials,
Год журнала:
2024,
Номер
36(17), С. 8466 - 8476
Опубликована: Авг. 19, 2024
Synapse
devices,
pivotal
components
in
neuromorphic
computing,
demonstrate
unique
properties
that
are
essential
for
advanced
computing
systems.
These
characterized
by
their
metal/resistive
layer/metal
structure,
rely
heavily
on
active
layer
material.
One
important
challenge
developing
synapse
devices
artificial
neural
networks
lies
constructing
these
at
a
hardware
level
to
achieve
in-memory
enabling
the
efficient
processing
of
information
while
minimizing
power
consumption.
Herein,
we
present
rational
design
and
situ
synthesis
two-dimensional
(2D/2D)
heteronanostructures
intricately
integrating
Ti-based
metal
carbide
as
Ti-MXene
(Ti3C2)
with
copper-based
metal–organic
framework
Cu-tetrakis
(4-carboxyphenyl)
porphyrin
(Cu-TCPP)
through
van
der
Waals
interactions
form
hybrid
[Ti3C2@Cu-TCPP]
(1).
The
exhibits
synergistic
both
counterparts
an
intricate
hierarchical
ensuring
exceptional
stability
remarkable
conductivity,
fundamental
progression
devices.
resultant
hybrids
show
device
comprehensive
comparative
analysis
using
DC
I–V
sweeps
was
conducted
evaluate
different
types,
focusing
parameters
such
high-resistance
state,
low-resistance
on/off
ratio.
Results
demonstrated
Ti3C2@Cu-TCPP@PVA-based
exhibited
impressive
ratio
approximately
102,
outperforming
Cu-TCPP@PVA
Ti3C2@PVA-based
This
highlights
superior
performance
Ti3C2@Cu-TCPP@PVA
its
potential
applications
network
Furthermore,
conduction
mechanism
elucidated,
revealing
dominance
space-charge
limited
during
SET
process
Schottky
emission
RESET
process.
Язык: Английский
Photon-beam-inducing synthesis of a tunable porous graphene/Ti3C2Tx heterostructure for energy conversion-storage system
Nanotechnology,
Год журнала:
2024,
Номер
35(42), С. 425401 - 425401
Опубликована: Июль 18, 2024
Abstract
Flexible
electronic
device
requires
a
novel
micro-supercapacitors
(MSCs)
energy
conversion-storage
system
based
on
two-dimensional
(2D)
materials
to
solve
the
problems
of
stiffness
and
complexity.
Herein,
we
report
catalytic
introduction
method
graphene
with
adjustable
porosity
by
high-energy
photon
beam.
The
graphene/Ti
3
C
2
T
x
heterostructure
was
constructed
electrostatic
self-assembly,
has
high
cycle
life
(98%
after
8000
cycles),
density
(11.02
mWh
cm
−3
),
demonstrate
excellent
flexible
alternating
current
line-filtering
performance.
phase
angle
−79.8°
at
120
Hz
resistance-capacitance
constant
0.068
ms.
Furthermore,
porous
structures
produced
multiple
inductions
allowed
ions
deeply
penetrate
electrode,
thereby
increasing
stacking
density.
special
‘pore-layer
nesting’
structure
pores
effectively
increased
specific
surface
area,
its
superior
matching
electrolyte
solutions
greatly
improved
surface-active
site
utilization.
This
work
offers
an
alternative
strategy
for
fabricating
2D
MSC.
Язык: Английский
Three‐Dimensional VTe2/MXene/CNT Ternary Architectures for the Development of High Performance Microsupercapacitors
Sithara Radhakrishnan,
Monisha Mohan,
K. A. Sree Raj
и другие.
Advanced Sustainable Systems,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 22, 2024
Abstract
Rapid
advancements
in
portable
electronics
have
created
a
demand
for
ultrathin
power
sources.
Microsupercapacitors
(MSCs)
are
becoming
competitive
and
advantageous
option
these
applications.
It
is
widely
recognized
that
to
develop
MSCs
with
exceptional
performance,
electrode
materials
having
two‐dimensonal
(2D)
permeable
channels,
structural
scaffolds
high‐conductivity
large
surface
area
suitable.
Vanadium
ditelluride
(VTe
2
)
stands
out
as
an
ideal
material
platform
this
context.
Its
unique
combination
of
metallic
properties
exfoliative
characteristics‐stemming
from
the
conducting
Te–V–Te
layers
held
together
by
weak
van
der
Waals
interlayer
interactions‐
renders
it
highly
promising
high‐performance
MSCs.
This
study
first
report
restacking
issues
electrochemical
performance
VTe
can
be
successfully
avoided
simultaneous
incorporation
MXene
CNT
form
ternary
hybrid.
Here,
laser‐induced
graphene
(LIG)‐based
MSC
utilizing
/MXene/CNT
active
fabricated.
achieve
fabrications
outstanding
maximum
energy
density
6.84
µWh
cm
−2
304.7
µW
.
significant
achievement
demonstrates
potential
LIG‐based
advance
design
micro‐energy
storage
devices.
Язык: Английский