Polymers,
Год журнала:
2024,
Номер
17(1), С. 59 - 59
Опубликована: Дек. 29, 2024
The
supported
RuO2
catalysts
are
known
for
their
synergistic
and
interfacial
effects,
which
significantly
enhance
both
catalytic
activity
stability.
However,
polymer-supported
have
received
limited
attention
due
to
challenges
associated
with
poor
conductivity.
In
this
study,
we
successfully
synthesized
the
RuO2-polytetrafluoroethylene
(PTFE)
catalyst
via
a
facile
annealing
process.
optimized
nucleation
growth
strategies
enable
formation
of
particles
(~13.4
nm)
encapsulating
PTFE,
establishing
conductive
network
that
effectively
addresses
conductivity
issue.
Additionally,
PTFE
induces
generation
oxygen
vacancies
stable
RuO2/PTFE
interfaces,
further
acidic
OER
stability
RuO2.
As
result,
RuO2-PTFE
exhibits
low
overpotential
219
mV
at
10
mA
cm⁻2
in
three-electrode
system,
voltage
RuO2-PTFE||commercial
Pt/C
system
can
keep
1.50
V
800
h
cm−2.
This
work
underscores
versatility
as
substrate
fine-tuning
morphology,
crystal
defect,
interface
outerwear.
not
only
broadens
application
scope
synthesis
but
also
provides
novel
approach
design
high-performance
metallic
oxide
tailored
vacancy
concentration
polymer
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 5, 2025
Abstract
Electrocatalytic
water
splitting
has
emerged
as
a
key
method
for
large‐scale
production
of
green
hydrogen.
Constructing
efficient,
durable,
and
low‐cost
electrocatalysts
the
hydrogen
evolution
reaction
at
high
current
densities
is
prerequisite
practical
industrial
applications
splitting.
Recently,
non‐noble
metal‐based
self‐supporting
electrodes
have
been
explored
density
due
to
their
cost‐effective,
conductivity
metal
substrate,
robust
interfacial
binding
between
catalyst
strong
mechanical
stability.
In
this
review,
recently
reported
(Ni,
Fe,
Cu,
Co,
Ti,
Mo,
alloy)
electrode
applied
are
comprehensively
summarized,
classified,
discussed.
Five
fundamental
design
principles
such
intrinsic
activity,
abundant
active
sites,
fast
electron
transfer,
mass
transport,
stability
proposed
discussed
achieve
high‐performance
under
densities.
Furthermore,
various
modification
strategies
including
heteroatom
doping,
morphology
engineering,
interface
phase
strain
engineering
enhance
catalytic
activity
durability
electrode.
Finally,
challenges
prospects
designing
efficient
stable
in
future
This
comprehensive
overview
will
provide
valuable
insight
guidance
development
production.
Journal of the American Chemical Society,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 17, 2025
Regulating
the
surface
oxophilicity
of
electrocatalyst
is
known
as
an
efficient
strategy
to
mitigate
order-of-magnitude
kinetic
slowdown
hydrogen
electrocatalysis
in
a
base,
which
great
scientific
and
technological
significance.
So
far,
its
mechanistic
origin
remains
mainly
ascribed
bifunctional
or
electronic
effects
that
revolve
around
catalyst-intermediate
interactions
under
extensive
debate.
In
addition,
understanding
from
perspective
interfacial
electric-double-layer
(EDL)
structures,
should
also
strongly
depend
on
electrode
property,
still
lacking.
Here,
by
decorating
Pt
with
Mo,
Ru,
Rh,
Au
metal
atoms
tune
systematically
combining
electrochemical
activity
tests,
situ
surface-enhanced
infrared
absorption
spectroscopy,
density
functional
theory
calculation,
ab
initio
molecular
dynamics
simulation,
we
found
there
exist
consistent
volcano-type
relationships
between
*OH
adsorption
strength
alkaline
evolution
activity,
stretching/bending
vibration
information
water,
potential
zero
charge
(PZC)
electrode.
This
demonstrates
impacting
electrocatalytic
lies
modification
toward
PZC,
thereby
dictates
electric
field
strength,
rigidity,
bonding
network
structure
EDL
ultimately
governs
proton
transfer
kinetics.
These
findings
emphasize
importance
focusing
interface
structures
understand
property-dependent
reaction
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(30), С. 19462 - 19469
Опубликована: Янв. 1, 2024
B,
N-doped
porous
carbon
confined
MoC
quantum
dots
were
engineered
as
a
facile
carrier
and
electronic
stimulator
to
confine
Ru
clusters
for
high-performance
hydrogen
evolution
reaction.
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 30, 2025
Constructing
electrocatalysts
with
high
activity
and
low
precious
metal
content
is
essential
for
achieving
efficient
hydrogen
production
in
pH-universal
overall
water
splitting.
Herein,
five
types
of
noble
anchored
transition
phosphides
are
analyzed
by
theoretical
derivation.
Based
on
the
calculation
results,
a
suitable
hybrid
screened
out
Pt
nanoparticles
CoP
nanowires
(Pt─CoP)
via
robust
Pt─P─Co
bonds.
This
strong
synergy
between
through
interfacial
bonds
optimizes
adsorption
key
intermediates
evolution
reaction
(HER)
wide
pH
range
from
0
to
14.
Furthermore,
interaction
accompanied
delicate
structure
reduces
charge
transfer
resistance,
creates
abundant
active
sites,
enhances
catalyst
durability,
while
facilitating
site
exposure
electron/mass
during
HER
process.
Accordingly,
synthesized
Pt─CoP
exhibits
overpotentials
79,
26,
18
mV
at
10
mA
cm-2
acidic,
neutral,
alkaline
media
HER,
respectively,
superior
commercial
Pt/C
benchmarks
most
reported
electrocatalysts.
work
paves
new
clue
exploit
low-Pt-loading
HER.
