Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 21, 2025
Abstract
Engineering
the
electronic
configuration
and
intermediates
adsorption
behaviors
of
Platinum‐based
catalysts
is
crucial
for
improving
oxygen
reduction
reaction
(ORR)
kinetics
at
cathode
in
proton
exchange
membrane
fuel
cells
(PEMFCs),
yet
it
remains
an
enormous
challenge.
Herein,
interface‐induced
dislocation
tactic
through
Pt/PtCu
heterogeneous
formation
Pt@PtCu
nanowires
composites
(Pt@PtCu
NWs)
efficient
ORR
reported.
Theoretical
studies
have
proven
that
driven
by
a
hybrid
interface
could
alter
electron
redistribution
downshift
d‐band
Pt,
thus
facilitating
desorption
oxygen‐containing
species
achieving
outstanding
performance.
Specifically,
as‐prepared
NWs
deliver
exceptional
properties
with
half‐wave
0.940
V.
Moreover,
mass
activity
(MA)
reaches
1.17
A
mg
Pt
−1
0.9
V,
which
4.18
10.64
times
higher
than
(0.27
)
commercial
Pt/C
(0.11
).
Most
importantly,
also
prove
remarkable
structural
stability
only
14.5%
decrease
MA
compared
to
58.9%
after
durability
test.
Overall,
this
strategy
center
tuning
induced
hybrid‐interface‐driven
provides
promising
avenue
designing
high‐efficiency
electrocatalysts.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(12), С. 6295 - 6321
Опубликована: Янв. 1, 2024
Developing
sophisticated
strategies
to
stabilize
oxidative
metal
catalysts
based
on
the
correlation
between
dynamic
oxidation
state
and
product
profile
is
favorable
for
efficient
electrochemical
CO
2
conversion.
Advanced Powder Materials,
Год журнала:
2024,
Номер
3(5), С. 100214 - 100214
Опубликована: Июнь 13, 2024
Water
electrolysis
via
alkaline
hydrogen
evolution
reaction
(HER)
is
a
promising
approach
for
large-scale
production
of
high-purity
at
low
cost,
utilizing
renewable
and
clean
energy.
However,
the
sluggish
kinetics
derived
from
high
energy
barrier
water
dissociation
impedes
seriously
its
practical
application.
Herein,
series
hybrid
Pt
nanoclusters/Ru
nanowires
(Pt/Ru
NWs)
catalysts
are
demonstrated
to
accelerate
HER.
And
optimized
Pt/Ru
NWs
(10
%
wt
Pt)
exhibits
exceptional
performance
with
an
ultralow
overpotential
(24
mV
10
mA
cm−2),
small
Tafel
slope
(26.3
dec−1),
long-term
stability,
outperforming
benchmark
commercial
Pt/C-JM-20
catalyst.
This
amazing
also
occurred
in
anion-exchange
membrane
devices,
where
it
delivered
cell
voltage
about
1.9
V
1
A
cm−2
outstanding
stability
(more
than
100
h).
The
calculations
have
revealed
such
superior
exhibited
by
stems
formed
heterointerfaces,
which
significantly
reduce
decisive
rate
step
cooperative-action
between
cluster
Ru
substance.
work
provides
valuable
perspectives
designing
advanced
materials
toward
HER
beyond.
DeCarbon,
Год журнала:
2024,
Номер
5, С. 100062 - 100062
Опубликована: Июль 14, 2024
Within
the
framework
of
achieving
global
carbon
neutrality,
utilizing
electrocatalytic
water
splitting
to
produce
"green
hydrogen"
holds
significant
promise
as
an
effective
solution.
The
strategic
development
economic,
efficient,
and
robust
anode
oxygen
evolution
reaction
(OER)
catalysts
is
one
imminent
bottlenecks
for
scalable
application
electrolyzing
into
hydrogen
oxygen,
particularly
under
actual
yet
harsh
operating
conditions
such
large
current
density
(LCD).
In
this
review,
we
intend
summarize
advances
challenges
in
understanding
OER
at
LCD.
Initially,
impact
LCD
on
electron
transfer,
mass
transportation
efficiency
catalyst
stability
identified
summarized.
Furthermore,
five
basic
principles
design,
namely
dimension
materials,
surface
chemistry,
creation
transfer
pathways,
synergy
among
nano-,
micro-,
macroscale
structures,
catalyst-support
interaction,
are
systematically
discussed.
Specifically,
correlation
between
synergistic
function
multiscale
structures
interaction
highlighted
direct
improvements
durability
Finally,
outlook
prospected
further
our
these
topics
provide
related
researchers
with
potential
research
areas.
Growing
global
population,
escalating
energy
consumption,
and
climate
change
threaten
future
security.
Fossil
fuel
combustion,
primarily
coal,
oil,
natural
gas,
exacerbates
the
greenhouse
effect
driving
warming
through
CO
Abstract
Electrocatalysis
is
a
crucial
method
for
achieving
global
carbon
neutrality,
serving
as
an
essential
means
of
energy
conversion,
and
electrocatalyst
in
the
process
electrocatalysis.
Because
abundant
active
sites,
multi‐component
synergistic
effect
high‐entropy
materials
has
wide
application
prospect
field
Moreover,
due
to
special
structure
materials,
it
possible
obtain
almost
continuous
adsorption
distribution
by
regulating
composition,
which
attracted
extensive
attention
researchers.
This
paper
reviews
properties
types
including
alloys
compounds.
The
synthesis
strategies
are
systematically
introduced,
solid
phase
synthesis,
liquid‐phase
gas‐phase
classified
summarized.
electrocatalysis
summarized,
promotion
strategy
various
catalytic
reaction
processes
Finally,
current
progress
problems
encountered,
future
development
direction
reviewed.
It
emphasized
that
high
flux
density
functional
theory
calculation
guiding
catalyst
design
will
be
great
significance
