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.
Macromolecular Rapid Communications,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 27, 2025
Abstract
Bifunctional
nanofibers
for
CO
2
capture
and
conversion
can
be
fabricated
by
electrospinning.
Using
advanced
methods
like
side‐by‐side
electrospinning
enables
the
integration
of
multiple
independent
functionalities.
The
combination
poly(ethylene
oxide)
(PEO)
modified
with
imine)
(PEI)
PEO
loaded
copper
nanoparticles
(CuNP)
catalysis
results
in
bifunctional
fibers
that
synthesized
using
water
as
a
green
solvent.
are
characterized
scanning
electron
microscopy,
thermogravimetric
analysis,
differential
calorimetry.
properties
illustrated
gas
adsorption
catalytic
experiments.
production
via
leads
to
materials
orthogonal
adjusted
optimized
independently.
introduced
imine
groups
,
which
directly
converted
methanol
hydrogenation
at
CuNP
low
temperature
150
°C.
