Spark plasma sintering of Ti2AlC/TiC MAX-phase based composite ceramic materials and study of their electrochemical characteristics
Ceramics International,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 1, 2024
Язык: Английский
Time-Resolved Fourier Transform Infrared Spectroelectrochemical Investigation of Nitrate Reduction to Ammonia
ACS Energy Letters,
Год журнала:
2025,
Номер
unknown, С. 1688 - 1699
Опубликована: Март 14, 2025
Язык: Английский
Comprehensive Review of MAX Phase and MXene Materials: Synthesis, Properties and Applications
C. B. Subba,
P. Raics,
Mukhriddin E. Tursunov
и другие.
Опубликована: Янв. 7, 2025
In
this
paper,
we
present
a
detailed
and
comprehensive
review
of
the
MAX
phase
(bulk)
their
2D
derivative
MXenes
on
basis
synthesis,
properties,
applications.
MAX/Mexene
have
emerged
as
class
materials
with
tremendous
potential
for
various
applications
in
numerous
emerging
technologies.
We
thoroughly
surveyed
almost
all
relevant
literature
MAX/Mexene.
provide
report
synthesis
methods
phases,
including
traditional
innovative
approaches
such
solid-state
spark
plasma
sintering,
highlighting
structural
compositional
diversity.
The
unique
physical,
chemical,
mechanical
properties
high
thermal
stability,
electronic,
magnetic,
electrical
conductivity,
flexibility,
are
explored
along
underlying
mechanism.
Furthermore,
highlights
current
research
trend
MXene
advancement
energy
harvesting
H\(_2\)
production,
solar
cells,
storage,
catalysis,
spintronics,
electronic
devices
environmental
remediation.
Their
added
features
damage
tolerance,
radiation
heat
crack-healing,
exchangers,
etc.
addition,
provides
information
future
directions
that
utilize
knowledge
identify
gaps.
purpose
is
to
facilitate
advancements
understanding
application
phases
MXenes,
positioning
them
pivotal
next-generation
Язык: Английский
Photoinduced Charge Transfer Empowers Ta4C3 and Nb4C3 MXenes with High SERS Performance
Langmuir,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 25, 2024
This
study
introduces
two-dimensional
(2D)
Ta
Язык: Английский
Transition Metal-Based Polyoxometalates for Oxygen Electrode Bifunctional Electrocatalysis
Batteries,
Год журнала:
2024,
Номер
10(6), С. 197 - 197
Опубликована: Июнь 3, 2024
Polyoxometalates
(POMs)
with
transition
metals
(Co,
Cu,
Fe,
Mn,
Ni)
of
Keggin
structure
and
lamellar-stacked
multi-layer
morphology
were
synthesized.
They
subsequently
explored
as
bifunctional
electrocatalysts
for
oxygen
electrodes,
i.e.,
reduction
(ORR)
evolution
(OER)
reaction,
aqueous
rechargeable
metal-air
batteries
in
alkaline
media.
The
lowest
Tafel
slope
(85
mV
dec−1)
value
the
highest
OER
current
density
93.8
mA
cm−2
obtained
Fe-POM
electrocatalyst.
Similar
electrochemical
catalytic
activity
was
noticed
Co-POM
This
behavior
confirmed
by
impedance
spectroscopy,
where
gave
charge
transfer
resistance
3.35
Ω,
followed
Rct
15.04
during
OER.
Additionally,
values
85
109
dec−1
calculated
Co-POM,
respectively,
ORR.
ORR
at
proceeded
mixed
two-
four-electron
pathways,
while
exclusively
pathway.
Finally,
capacitance
studies
conducted
on
synthesized
POMs.
Язык: Английский
Nb-MXene as promising material for electrocatalysis in energy conversion (OER/ORR) and storage
Applied Materials Today,
Год журнала:
2024,
Номер
40, С. 102356 - 102356
Опубликована: Авг. 1, 2024
Язык: Английский
Investigation of Nb2AlC Max Phase Integrated With 2D GCN (Nb‐MX/GCN) as a Bifunctional Electrocatalyst for Water Splitting Reaction
ChemistrySelect,
Год журнала:
2024,
Номер
9(46)
Опубликована: Дек. 1, 2024
Abstract
Noble
metal‐based
electrocatalysts
are
impractical
for
large‐scale
manufacture
due
to
their
high
cost,
limited
availability,
and
poor
long‐term
stability
in
performing
several
functions.
Hence,
an
alternative
is
the
need
of
hour
that
emphasizes
blending
metals
ceramic
property
materials
with
compelling
electroconductivity.
In
this
research,
we
synthesized
two
bare
materials,
Nb
2
AlC
MAX
(Nb‐MX)
phase
graphitic
carbon‐nitride
(GCN)
sheets
using
calcination
method
which
then
converted
into
a
composite
(Nb‐MX/GCN)
material
through
wet
impregnation
technique.
The
electrochemical
investigations
were
conducted
assess
catalytic
efficacy
material.
Nb‐MX/GCN
electrocatalyst
exhibited
outstanding
electrocatalytic
efficiency
hydrogen
evolution
reaction
(HER)
oxygen
(OER)
alkaline
environment.
catalyst
exhibits
significantly
low
overpotential
just
66
mV
450
HER
OER
performance,
respectively,
at
current
density
10
mA
cm
−2
1.0
M
KOH
solution.
addition,
activity
no
change
over
24
h
indicated
excellent
This
performance
surpassed
previously
reported
electrocatalysts.
Язык: Английский