Frontiers in Energy Research,
Journal Year:
2024,
Volume and Issue:
12
Published: Oct. 24, 2024
The
production
of
hydrogen
(H
2
)
and
multi-carbon
fuels
through
water
electrolysis
(oxygen
evolution
reaction
(OER)/hydrogen
(HER))
water–CO
co-electrolysis
(OER/CO
reduction
(CO
RR)),
respectively,
is
supposed
to
be
the
emergent
energy
carrier.
These
electrochemical
processes
are
essential
chemical
conversion
pathways
that
initiate
changes
toward
renewable
energy.
This
review
summarizes
systematic
design
earth-abundant
transition
metal-based
nanomaterials
their
electrocatalytic
activities
reactions
such
as
OER,
HER,
CO
RR.
primary
focus
on
fabricating
highly
effective,
low-cost,
advanced
nanostructures
for
both
OER/HER
OER/CO
RR
systems.
Developing
synthetic
strategies
surface
morphology-controlled
nanostructured
electrocatalysts,
engineering
electrode
surface,
enhancing
activity,
understanding
relationship
between
intrinsic
catalytic
activity
preparation
approaches
or
precursor
choices,
exploring
mechanism
focused
on.
Furthermore,
current
challenges,
figure-of-merit,
prospects
described.
study
may
open
new
opportunities
develop
shape-controlled
high-performance
electrocatalysts
storage
reactions.
Phase
transition
engineering
of
metal–organic
frameworks
(MOFs)
presents
a
promising
strategy
for
enhancing
electrocatalytic
performance
in
water
splitting
applications.
In
this
study,
we
demonstrate
controlled
phase
to
synthesize
multiphase
composite
(op&cp)
composed
open
(op)
and
closed
(cp)
through
precise
desolvation
treatment.
When
used
as
an
alkaline
electrocatalyst,
op&cp
exhibits
exceptional
oxygen
evolution
reaction
(OER)
performance,
achieving
remarkably
low
overpotential
140
mV
under
10
mA
cm–2
maintaining
stable
operation
over
75
h
at
100
cm–2.
situ
Raman
spectroscopy
X-ray
photoelectron
show
that
the
catalytically
active
substance
NiOOH
is
formed
on
engineered
with
lower
potential
(1.2
V
vs
RHE)
than
single-phase
material
(1.3
RHE).
This
work
establishes
viable
improving
MOF-based
catalysis
explores
fundamental
mechanism
dynamic
sites
during
OER.
Coatings,
Journal Year:
2024,
Volume and Issue:
14(9), P. 1147 - 1147
Published: Sept. 6, 2024
Electrochemical
water
splitting,
a
sustainable
method
for
hydrogen
production,
faces
the
challenge
of
slow
oxygen
evolution
reaction
(OER)
kinetics.
Iridium
oxide
(IrO2)
is
widely
regarded
as
most
effective
catalyst
OER
due
to
its
excellent
properties.
Compared
nanoparticles,
IrO2
thin
films
exhibit
significant
advantages
in
OER,
including
uniform
and
stable
catalytic
interface
mechanical
strength.
This
paper
reviews
recent
advancements
one-step
deposition
techniques
preparation
their
application
OER.
Additionally,
it
analyzes
disadvantages
various
methods
latest
research
achievements,
briefly
outlines
future
trends
applications.
Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 17, 2024
Here,
integrated
functional
components
into
a
hybrid
heterostructure
via
highly
stabilized
network-like
interconnected
electronic
nanoarchitecture
of
1D
N-doped
holey-carbon
nanotube
(NHCNT)
with
2D
nickel─metal-organic
framework
(Ni─MOF)
nanosheets
are
developed
as
high-performance
electrocatalyst
for
overall
water
splitting.
The
NHCNT
promoting
electron
transport
pathways
in
electrocatalyst,
and
formation
holes
nanotubes
further
enables
excellent
diffusion
ions
the
reaction
rate.
An
combination
1D/2D
structure
NHCNT/Ni─MOF-4
exhibits
oxygen
evolution
(η
