Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 26, 2025
Abstract
Accurately
regulating
the
reactive
sites
of
catalysts
is
vital
for
highly
efficient
catalytic
processes
but
still
faces
considerable
challenges.
In
view
this,
a
local
oxidation‐state
asymmetric
Mn‐O‐Ru
bridged
moiety
developed
by
introducing
Mn
atoms
into
RuO
2
host.
The
synergistic
effect
respective
active
on
microstructure
ensures
its
excellent
alkaline
HER
performance.
Theoretical
calculations
profiled
that
induced
moiety,
water
dissociation
ability
Ru
significantly
boosted,
while
bridging
oxygen
exhibits
optimal
hydrogen
adsorption
free
energy.
As
predicted,
Mn‐RuO
catalyst
achieved
overpotentials
as
low
118
and
160
mV
at
industrial
level
current
densities
1
A
cm
‒2
in
m
KOH,
respectively,
superior
to
commercial
Pt/C
catalyst.
Such
electrocatalyst
can
operate
stably
with
long
lifetime
300
h
10
mA
under
conditions.
Furthermore,
it
only
requires
1.87
V
reach
density
1.0
when
serving
cathode
an
assembled
flow
cell.
This
work
provides
new
insight
environment
design
obtaining
ideal
electrocatalysts.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 21, 2025
Abstract
In
pursuing
efficient
photocatalytic
systems,
nature‐inspired
photocatalysis
has
emerged
as
a
promising
strategy
to
optimize
charge
transfer
and
surface
reactions.
Inspired
by
the
structure
function
of
plant
leaves,
leaf‐like
hierarchical
heterostructure
is
constructed.
ZnIn
2
S
4
nanosheet
arrays
are
anchored
on
integrated
Ag
nanowires
network
with
Ti
3
C
T
x
MXene
support,
during
which
process
sulfur
vacancies
(V
)
formed
due
anti‐strong
metal‐support
interaction.
The
supported
serve
mesophyll
absorb
photons
convert
solar‐to‐chemicals,
embedded
in
interface
veins
shuttle
carriers
for
redox
reactions,
V
resemble
stomata
facilitate
adsorption
reactants.
Furthermore,
able
reduce
thermodynamic
barriers
synergistic
effect
these
functional
components
enables
hydrogenation
several
nitroaromatic
compounds,
exhibits
H
evolution
rate
1119.4
µmol
g⁻¹
h⁻¹
under
visible‐light
irradiation,
≈7.9
times
high
that
pure
.
This
study
highlights
pivotal
role
design
inspired
nature
advancing
solar‐to‐chemical
conversion
paves
way
development
next‐generation
photocatalysts
green
chemistry
energy
applications.
Catalysts,
Год журнала:
2025,
Номер
15(5), С. 434 - 434
Опубликована: Апрель 29, 2025
The
design
of
efficient
hydrogen
evolution
reaction
(HER)
catalysts
to
minimize
overpotentials
plays
a
pivotal
role
in
advancing
water
electrolysis
and
clean
energy
solutions.
Ru-based
catalysts,
regarded
as
potential
replacements
for
Pt-based
face
stability
challenges
during
catalytic
process.
precise
regulation
metal–support
interactions
effectively
prevents
Ru
nanoparticle
degradation
while
optimizing
interfacial
electronic
properties,
enabling
the
simultaneous
enhancement
activity
stability.
Herein,
we
an
amorphous/crystalline
support
employ
situ
replacement
develop
Ru-NiPx-Ni
structure.
crystalline
Ni
phase
with
ordered
atomic
arrangement
ensures
charge
transport,
amorphous
unsaturated
dangling
bonds
provides
abundant
anchoring
sites
nanoclusters.
This
synergistic
structure
significantly
enhances
HER
performance,
which
attains
19
mV
at
10
mA
cm−2
70
100
1
m
KOH,
sustained
operation
exceeding
55
h
cm−2.
Electrochemical
impedance
spectroscopy
analysis
confirms
that
not
only
has
high
density
active
centers
HER,
but
also
reduces
transfer
resistance
electrode–electrolyte
interface,
kinetics.
study
presents
new
directions
designing
high-efficiency
catalysts.
Abstract
Integrating
electrochemical
upcycling
of
polyethylene‐terephthalate
(PET)
and
the
hydrogen
evolution
reaction
(HER)
is
an
energy‐saving
approach
for
electrolytic
(H
2
)
production,
along
with
coproduction
formate.
Herein,
a
novel
rapid
strategy
cold
plasma
phosphating
employed
to
synthesize
Co
P–Ni
P
heterointerface
decorated
on
carbon
cloth
(Co
P‐Ni
P/CC)
catalyze
H
generation
reform
PET.
Notably,
obtained
P/CC
exhibits
eminent
ethylene
glycol
oxidation
(EGOR)
HER
activities,
effectuating
low
potentials
merely
1.300
−0.112
V
versus
RHE
at
100
mA
cm
−2
EGOR
HER,
respectively,
also
attaining
ultralow
cell
bias
10
EG
assisted‐water
splitting.
DFT
characterization
results
validate
that
as‐formed
built‐in
electric
fields
in
can
accelerate
electrons
transfer
deepen
structural
self‐reconstruction,
thereby
boosting
effectively
water
dissociation
(EG)
dehydrogenation.
Impressively,
coupling
PET‐derived
EG‐to‐formate
flow‐cell
electrolyzer
assembled
pair
achieves
intriguing
formate
Faradaic
efficiency
90.6%
extraordinary
stable
operation
over
70
h
.
The
work
exemplifies
facile
effective
synthesizing
metal
phosphides
electrocatalysts
performance
toward
splitting
recycling
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 26, 2025
Abstract
Accurately
regulating
the
reactive
sites
of
catalysts
is
vital
for
highly
efficient
catalytic
processes
but
still
faces
considerable
challenges.
In
view
this,
a
local
oxidation‐state
asymmetric
Mn‐O‐Ru
bridged
moiety
developed
by
introducing
Mn
atoms
into
RuO
2
host.
The
synergistic
effect
respective
active
on
microstructure
ensures
its
excellent
alkaline
HER
performance.
Theoretical
calculations
profiled
that
induced
moiety,
water
dissociation
ability
Ru
significantly
boosted,
while
bridging
oxygen
exhibits
optimal
hydrogen
adsorption
free
energy.
As
predicted,
Mn‐RuO
catalyst
achieved
overpotentials
as
low
118
and
160
mV
at
industrial
level
current
densities
1
A
cm
‒2
in
m
KOH,
respectively,
superior
to
commercial
Pt/C
catalyst.
Such
electrocatalyst
can
operate
stably
with
long
lifetime
300
h
10
mA
under
conditions.
Furthermore,
it
only
requires
1.87
V
reach
density
1.0
when
serving
cathode
an
assembled
flow
cell.
This
work
provides
new
insight
environment
design
obtaining
ideal
electrocatalysts.
