Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Апрель 28, 2025
Advancements
in
proton-exchange
membrane
water
electrolyzer
depend
on
developing
oxygen
evolution
reaction
electrocatalysts
that
synergize
high
activity
with
stability.
Here,
we
introduce
an
approach
aimed
at
elevating
performance
by
enhancing
the
spatiotemporal
coordination
of
radicals
to
promote
efficient
O-O
coupling.
A
dense,
single-atom
configuration
radical
donors
within
interconnected
RuO2
nanocrystal
framework
is
demonstrated.
The
stable
gallium
sites
adaptable
Ga-O
bonds
are
thermodynamically
favorable
attract
those
from
Ru
sites,
addressing
dynamic
adaptation
challenges
and
boosting
coupling
efficiency.
optimized
catalyst
achieves
a
low
overpotential
188
mV
10
mA
cm-2,
operates
robustly
for
800
h
100
cm-2
acidic
conditions,
shows
large
current
density
3
1.788
V,
0.5
200
h,
confirming
its
long-term
viability
applications.
Chemical Reviews,
Год журнала:
2024,
Номер
124(7), С. 3694 - 3812
Опубликована: Март 22, 2024
Electrocatalytic
water
splitting
driven
by
renewable
electricity
has
been
recognized
as
a
promising
approach
for
green
hydrogen
production.
Different
from
conventional
strategies
in
developing
electrocatalysts
the
two
half-reactions
of
(e.g.,
and
oxygen
evolution
reactions,
HER
OER)
separately,
there
growing
interest
designing
bifunctional
electrocatalysts,
which
are
able
to
catalyze
both
OER.
In
addition,
considering
high
overpotentials
required
OER
while
limited
value
produced
oxygen,
is
another
rapidly
exploring
alternative
oxidation
reactions
replace
hybrid
toward
energy-efficient
generation.
This
Review
begins
with
an
introduction
on
fundamental
aspects
splitting,
followed
thorough
discussion
various
physicochemical
characterization
techniques
that
frequently
employed
probing
active
sites,
emphasis
reconstruction
during
redox
electrolysis.
The
design,
synthesis,
performance
diverse
based
noble
metals,
nonprecious
metal-free
nanocarbons,
overall
acidic
alkaline
electrolytes,
thoroughly
summarized
compared.
Next,
their
application
also
presented,
wherein
anodic
include
sacrificing
agents
oxidation,
pollutants
oxidative
degradation,
organics
upgrading.
Finally,
concise
statement
current
challenges
future
opportunities
presented
hope
guiding
endeavors
quest
sustainable
Abstract
The
generation
of
green
hydrogen
by
water
splitting
is
identified
as
a
key
strategic
energy
technology,
and
proton
exchange
membrane
electrolysis
(PEMWE)
one
the
desirable
technologies
for
converting
renewable
sources
into
hydrogen.
However,
harsh
anode
environment
PEMWE
oxygen
evolution
reaction
(OER)
involving
four‐electron
transfer
result
in
large
overpotential,
which
limits
overall
efficiency
production,
thus
efficient
electrocatalysts
are
needed
to
overcome
high
overpotential
slow
kinetic
process.
In
recent
years,
noble
metal‐based
(e.g.,
Ru/Ir‐based
metal/oxide
electrocatalysts)
have
received
much
attention
due
their
unique
catalytic
properties,
already
become
dominant
acidic
OER
process
applied
commercial
devices.
these
still
face
thorny
problem
conflicting
performance
cost.
this
review,
first,
metal
briefly
classified
according
forms
existence,
mechanisms
outlined.
Then,
focus
on
summarizing
improvement
strategies
with
respect
activity
stability
over
years.
Finally,
challenges
development
prospects
discussed.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(46)
Опубликована: Июнь 25, 2024
Abstract
In
this
work,
self‐derivation
and
surface
reconstruction
strategies
are
innovatively
introduced
into
the
synthetic
route
of
metal
complex‐derived
catalysts.
The
in
situ
grown
nanorod
arrays
Ni‐based
complex
prepared
by
a
simple
rapid
ligand
chelation
reaction.
Furthermore,
highly
active
heterogeneous
electrocatalysts
developed
mild‐temperature
calcination.
Attributed
to
maintained
morphology
dispersed
Ni/Ni(OH)
2
heterojunction
sites,
as‐prepared
electrode
exhibits
superior
hydrogen
evolution
activity
(38.4
mV–10
mA
cm
−2
).
particular,
dynamic
during
oxygen
through
Fourier
transform
infrared
Raman
spectroscopies
observed.
reconstructed
Ni(OH)
/NiOOH
activation
gives
higher
performance
(369
mV–200
Further
density
functional
theory
mechanism
studies
disclose
that
contributes
adsorption
H*
activated
optimizes
formation
intermediates
evolution.
Materials Horizons,
Год журнала:
2025,
Номер
12(6), С. 1757 - 1795
Опубликована: Янв. 1, 2025
Noble
metal-based
oxide
electrocatalysts
are
essential
for
the
development
of
H
2
production
technology
by
water
electrolysis,
and
this
review
summarises
recent
research
progress
noble
metal
oxides
in
field
electrolysis.
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(4), С. 1582 - 1582
Опубликована: Фев. 13, 2025
Developing
a
highly
active
and
stable
catalyst
for
acidic
oxygen
evolution
reactions
(OERs),
the
key
half-reaction
proton
exchange
membrane
water
electrolysis,
has
been
one
of
most
cutting-edge
topics
in
electrocatalysis.
A
dual-doping
strategy
optimizes
electronic
environment,
modifies
coordination
generates
vacancies,
introduces
strain
effects
through
synergistic
effect
two
elements
to
achieve
high
catalytic
performance.
In
this
review,
we
summarize
progress
dual
doping
RuO2
or
IrO2
OERs.
The
three
main
mechanisms
OERs
are
dicussed
firstly,
followed
by
detailed
examination
development
history
catalysts,
from
experimentally
driven
systems
machine
learning
(ML)
theoretical
screening
systems.
Lastly,
provide
summary
remaining
challenges
future
prospects,
offering
valuable
insights
into
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 9, 2024
Abstract
Although
ruthenium
dioxide
(RuO
2
)
is
an
efficacious
oxygen
evolution
reaction
(OER)
catalyst
in
acidic
media,
its
performance
alkaline
conditions
subpar
and
it
also
ineffective
for
hydrogen
(HER)
common
electrolytes.
Here,
effective
phosphorus
(P)‐doping
strategy
introduced
to
manipulate
the
d
‐band
center
of
(Ru)
sites,
attenuating
adsorption
energy
HER
intermediates
lowering
barrier
OER,
thereby
significantly
accelerating
both
OER
performance.
The
representative
10%P‐RuO
nanofibers
(NFs)
presents
ultralow
overpotential
177.9
mV
at
1
A
cm
−2
long‐term
stability
300
h
m
KOH
toward
HER,
greatly
exceeding
those
benchmark
platinum
(Pt)/C
catalyst.
Moreover,
NFs
exhibits
exceptional
with
a
low
250
10
mA
(η
desirable
150
,
which
far
better
than
commercial
RuO
many
other
typical
previously
reported
catalysts.
Additionally,
overall
water
electrolytic
cell
using
as
anode
cathode
necessitates
working
voltage
1.52
V
demonstrates
over
100
outperforming
electrolysis
cells.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 22, 2024
Abstract
Lithium–sulfur
batteries
(LSBs),
renowned
for
their
superior
energy
density
and
the
plentiful
availability
of
sulfur
resources,
are
progressively
emerging
as
focal
point
forthcoming
storage
technology.
Nevertheless,
they
presently
confront
fundamental
challenges
including
insulation
its
discharge
product,
lithium
polysulfides
(LiPSs)
shuttle
phenomenon,
growth
dendrites.
Zeolite
imidazole
framework
materials
(ZIFs),
particularly
ZIF‐8
ZIF‐67,
significant
members
metal–organic
frameworks
(MOFs)
family.
Owing
to
high
porosity,
exceptional
adsorption
capacity,
structural
tunability,
straightforward
synthesis
process,
these
have
demonstrated
unique
application
potential
in
field
LSBs.
This
review
initially
provides
a
comprehensive
summary
developmental
status
associated
with
Subsequently,
it
delves
into
an
in‐depth
analysis
distinctive
properties
strategies
ZIFs,
particular
emphasis
on
well
composites
derivatives.
The
systematically
categorizes
innovative
examples
design
cathode
structures
optimization
separators
It
also
presents
forward‐looking
perspective
insights
future
trajectory
ZIF‐67
materials,
informed
by
latest
research
advancements
field.
