ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 23, 2025
The
electrocatalytic
urea
oxidation
reaction
(UOR)
is
a
promising
approach
to
lowering
the
energy
barrier
of
anode
half-reaction
in
water
splitting
for
energy-efficient
hydrogen
production
and
remove
excess
from
blood
or
dialysis
fluid.
However,
sluggish
kinetics
large
overpotential
caused
by
scaling
relationships
significantly
limit
development
UOR
technology.
Herein,
bifunctional
amorphous
M-CoS
(M
=
Zr,
Cu,
Mn,
Fe)
nanosheets
were
synthesized
via
one-step
electrodeposition
process.
Among
them,
Zr-CoS
exhibited
exceptional
performance,
achieving
10
mA
cm-2
at
an
1.26
V,
outperforming
recently
reported
catalysts,
while
CoS
demonstrated
evolution
impressively
low
-175
mV.
Density
functional
theory
calculations
revealed
that
doped
Cu
Zr
ions
migrated
adsorption
sites
N
atoms
before
after
C-N
cleavage,
breaking
limitation
relationships.
Meanwhile,
cleavage
step
showed
good
linear
relationship
with
variation
integrated
crystal
orbital
Hamilton
population
(ΔICOHP),
indicating
ΔICOHP
was
descriptor
evaluate
performances.
This
work
not
only
emphasized
outstanding
performances
but
also
offered
innovative
insights
into
role
metal
sulfides
UOR.
Advanced Sustainable Systems,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 10, 2025
Abstract
Hydrogen
production
by
electrochemical
water
splitting
is
considered
to
be
a
key
strategic
energy
technology,
and
proton
exchange
membrane
electrolyzers
(PEMWEs)
anion
(AEMWEs)
are
ideal
technologies
for
green
hydrogen
in
recent
years.
However,
PEMWEs
AEMWEs
lack
low‐cost
high‐performance
acidic
oxygen
evolution
reaction
(OER)
alkaline
(HER)
electrocatalysts
respectively,
limiting
their
large‐scale
development.
Recently,
ruthenium
(Ru)‐based
have
received
lot
of
attention
because
activity
better
than
that
commercial
catalysts
price
more
affordable,
showing
great
potential
OER
HER.
there
still
obstacles
Ru‐based
practical
applications
industrial
electrolyzers,
regulatory
strategies
need
developed
further
optimize
its
performance.
Herein,
comprehensive
review
presented
concerning
it.
First,
fundamental
principles
focus
the
basic
content
application
discussed.
Then,
summarized,
providing
detailed
analysis
elucidate
mechanisms,
properties,
electrolyzers.
Finally,
outlooks
prospects
challenges
future
proposed.
Abstract
Conventional
alloys
have
long
been
limited
by
their
simple
compositions,
which
make
it
difficult
to
meet
the
requirements
of
modern
catalysis
applications.
In
contrast,
high‐entropy
(HEAs),
characterized
multi‐principal
elements
in
near‐equimolar
ratios,
become
a
transformative
paradigm
materials
science
since
inception
2004.
The
unique
core
effects
HEAs,
including
effect,
severe‐lattice
distortion
sluggish‐diffusion
and
cocktail
endow
them
with
superior
catalytic
properties
activity,
selectivity,
durability.
However,
rapid
advanced
development
comprehensive
review
applications
is
imperative
foster
deeper
understanding.
this
review,
capability
commencing
from
entropy‐driven
mechanism
HEAs
systematically
explored.
Then,
are
comprehensively
analyzed
diverse
fields,
energy
conversion,
chemical
industries,
environmental
remediation,
emphasizing
remarkable
capabilities
Finally,
pivotal
challenges
outlined
synthesis
methods,
mechanistic
elucidation,
green
manufacturing,
propose
future
directions
such
as
database
establishment
machine‐learning‐assisted
design.
By
addressing
knowledge
gaps
inspiring
innovative
strategies,
aims
accelerate
translation
into
practical
solutions
for
sustainable
future.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 23, 2025
The
electrocatalytic
urea
oxidation
reaction
(UOR)
is
a
promising
approach
to
lowering
the
energy
barrier
of
anode
half-reaction
in
water
splitting
for
energy-efficient
hydrogen
production
and
remove
excess
from
blood
or
dialysis
fluid.
However,
sluggish
kinetics
large
overpotential
caused
by
scaling
relationships
significantly
limit
development
UOR
technology.
Herein,
bifunctional
amorphous
M-CoS
(M
=
Zr,
Cu,
Mn,
Fe)
nanosheets
were
synthesized
via
one-step
electrodeposition
process.
Among
them,
Zr-CoS
exhibited
exceptional
performance,
achieving
10
mA
cm-2
at
an
1.26
V,
outperforming
recently
reported
catalysts,
while
CoS
demonstrated
evolution
impressively
low
-175
mV.
Density
functional
theory
calculations
revealed
that
doped
Cu
Zr
ions
migrated
adsorption
sites
N
atoms
before
after
C-N
cleavage,
breaking
limitation
relationships.
Meanwhile,
cleavage
step
showed
good
linear
relationship
with
variation
integrated
crystal
orbital
Hamilton
population
(ΔICOHP),
indicating
ΔICOHP
was
descriptor
evaluate
performances.
This
work
not
only
emphasized
outstanding
performances
but
also
offered
innovative
insights
into
role
metal
sulfides
UOR.
