ES Energy & Environments,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Jan. 1, 2023
To
address
the
need
for
clean
and
sustainable
fuel
sources,
it
is
important
to
develop
a
highperformance,
low-cost
stable
non-noble
metal
electrocatalyst
water
splitting.Twodimensional
(2D)
materials,
namely
Layered
Double
Hydroxide
(LDH)
Mxene
have
gained
popularity
in
recent
years.Moreover,
combination
of
these
two
materials
has
been
found
effectively
issues
related
poor
conductivity,
limited
exposure
active
sites,
small
electrochemical
surface
areas
that
hindered
practical
application
LDH.In
this
review,
we
comprehensively
evaluate
advancements
made
development
MXene-based
LDH
hybrid
nanomaterials
hydrogen
evolution
reaction
(HER),
oxygen
(OER),
overall
splitting
from
both
theoretical
standpoint.Additionally,
review
discusses
various
criteria
used
assess
electrocatalysts
mechanism
involved
water.Lastly,
potential
opportunities
future
challenges
hybrids
production
through
are
examined.
Deleted Journal,
Journal Year:
2023,
Volume and Issue:
2, P. e9120056 - e9120056
Published: Feb. 25, 2023
Iridium
(Ir)-based
catalysts
are
highly
efficient
for
the
anodic
oxygen
evolution
reaction
(OER)
due
to
high
stability
and
anti-corrosion
ability
in
strong
acid
electrolyte.
Recently,
intensive
attention
has
been
directed
novel,
efficient,
low-cost
Ir-based
overcome
challenges
of
their
application
water
electrolysis
technique.
To
make
a
comprehensive
understanding
recently
developed
catalytic
properties,
mechanism
promotion
principles
were
discussed
OER
condition
aimed
proton
exchange
membrane
electrolyzer
(PEMWE)
this
review.
The
mechanisms
adsorbate
lattice
first
presented
easy
mechanism;
brief
perspective
analysis
from
aspects
geometric
effect,
electronic
synergistic
defect
engineering,
support
effect
was
concluded.
Then,
latest
progress
practical
introduced
detail,
which
classified
into
varied
composition
Ir
catalyst
terms
alloys,
hetero-element
doping,
perovskite,
pyrochlore,
heterostructure,
core–shell
structure,
supported
catalysts.
Finally,
problems
faced
by
current
acidic
electrolyte
put
forward.
It
is
concluded
that
with
low
loading
should
be
future,
paid
probing
structural
performance
correlation,
real
PEMWE
devices.Hopefully,
effort
can
helpful
catalysis
OER,
instructive
novel
design
fabrication.
Energy & Fuels,
Journal Year:
2023,
Volume and Issue:
37(4), P. 2608 - 2630
Published: Feb. 2, 2023
Hydrogen
is
believed
to
be
one
of
the
essential
clean
secondary
energy
sources
in
structure
revolution
both
industry
and
daily
life.
Driven
by
renewable
electricity
such
as
solar
wind
power,
water
electrolysis
for
hydrogen
production
deemed
main
processes
green
future
academia
industry.
Transition
metal
chalcogenides
(TMCs)
are
promising
candidates
replace
noble
metals
earth-abundant
electrocatalysts
splitting.
However,
it
remains
challenging
further
improve
electrocatalytic
activity
long-term
stability
TMCs,
especially
a
practical
electrolyzer.
This
Review
summarizes
recent
advances
strategies
optimizing
activities
TMCs
toward
splitting
well
latest
investigations
on
surface
reconstructions
during
electrolysis.
The
performances
cells
particularly
discussed.
Finally,
concluding
remark
perspective
provided,
we
hope
inspire
works
this
area,
narrowing
gap
between
material
design
application.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(51)
Published: Aug. 8, 2023
Abstract
The
harsh
operating
conditions
of
the
oxygen
evolution
reaction
(OER)
in
water
electrolysis
severely
degrade
activity
and
stability
electrocatalysts
due
to
elemental
leaching
or
particle
agglomeration.
Therefore,
it
is
crucial
incorporate
support
materials
that
effectively
immobilize
catalyst
particles
for
developing
efficient
OER
catalysts.
This
review
aims
highlight
role
MXene
as
a
material
improve
performance
First,
extended
mechanism
briefly
described
terms
effect
on
Then,
various
synthesis
methods
catalyst‐MXene
compounds
are
introduced,
important
properties
beneficial
performances
discussed.
electrocatalytic
results
enhanced
catalysts
effective
also
summarized.
Finally,
future
challenges
prospects
proposed
utilizing
an
excellent
electrocatalysis.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(8), P. 10238 - 10250
Published: Feb. 19, 2024
The
electrochemical
conversion
of
oxygen
holds
great
promise
in
the
development
sustainable
energy
for
various
applications,
such
as
water
electrolysis,
regenerative
fuel
cells,
and
rechargeable
metal-air
batteries.
Oxygen
electrocatalysts
are
needed
that
both
highly
efficient
affordable,
since
they
can
serve
alternatives
to
costly
precious-metal-based
catalysts.
This
aspect
is
particularly
significant
their
practical
implementation
on
a
large
scale
future.
Herein,
porous
polyhedron-entrapped
metal–organic
framework
(MOF)-assisted
CoTe2/MnTe2
heterostructure
one-dimensional
nanorods
were
initially
synthesized
using
simple
hydrothermal
strategy
then
transformed
into
ZIF-67
followed
by
tellurization
which
was
used
bifunctional
electrocatalyst
evolution
reaction
(OER)
reduction
(ORR).
designed
MOF
nanorod
exhibited
superior
activity
OER
(η
=
220
mV@
10
mA
cm–2)
ORR
(E1/2
0.81
V
vs
RHE)
outstanding
stability.
exceptional
achievement
could
be
primarily
credited
structure,
interconnected
designs,
deliberately
created
deficiencies
enhanced
electrocatalytic
OER/ORR.
improvement
predominantly
due
surface
area
charge
transfer
inherent
materials.
Therefore,
this
cost-effective
method
produce
active
electrocatalysts.
