Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 3, 2025
The
deployment
of
high-performance
catalysts
and
the
acceleration
anodic
reaction
kinetics
are
key
measures
to
achieve
maximum
energy
efficiency
in
overall
water
electrolysis
hydrogen
production
systems.
Here,
an
innovative
strategy
is
developed
by
directly
constructing
a
supramolecular
framework
embedded
with
boron
clusters
cucurbituril
as
reducing
agent.
This
approach
enabled
situ
conversion
Pt⁴⁺
into
highly
dispersed,
small-sized
nano-platinum,
which
subsequently
distributed
on
boron-carbon-nitrogen
(BCN)
matrix.
resulting
Pt/BNHCSs
catalyst
demonstrates
ability
facilitate
electrocatalytic
splitting
for
across
multiple
scenarios
while
simultaneously
accelerating
methanol
oxidation
kinetics,
significantly
outperforming
commercial
Pt/C
various
aspects.
cathodic
evolution-anodic
coupling
system
constructed
using
greatly
reduces
consumption
system.
In
attenuated
total
reflection
Fourier
transform
infrared
online
differential
electrochemical
mass
spectrometry
reveals
that
interface
enhances
H₂O
adsorption
promotes
CH₃OH→CO
process,
density
functional
theory
calculations
indicated
BCN
support
facilitated
evolution
H₂
CH₃OH
CO,
elucidating
mechanism
promoted
oxidation.
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 25, 2025
Transition
metal
selenides
(TMSes)
with
high
electrical
conductivity,
easily
regulated
morphological
structure,
and
unique
electronic
structure
have
been
explored
as
promising
electrocatalysts
for
electrolytic
water,
while
the
lower
intrinsic
electrocatalytic
capability
has
limited
their
wide
application.
Herein,
we
obtained
CoSe
nanosheet
arrays
Bi
cations
incorporation
(CoBiSex
arrays)
driven
by
spinel
oxides.
Compared
oxides,
low
electronegativity
of
Se
in
CoBiSex
leads
to
a
portion
Co2+
spin
states
(t2g6eg1)
due
covalent
interaction
between
Co
Se,
which
can
facilitate
charge
transfer.
Density
functional
theory
(DFT)
calculation
results
further
identify
redistribution
electron
density
from
Co,
intensifying
adsorption
OOH*
during
water
process
140
h
robust
catalytic
performance.
This
work
offers
strategy
exploring
TMSe
materials
potential
applications
process.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 3, 2025
The
deployment
of
high-performance
catalysts
and
the
acceleration
anodic
reaction
kinetics
are
key
measures
to
achieve
maximum
energy
efficiency
in
overall
water
electrolysis
hydrogen
production
systems.
Here,
an
innovative
strategy
is
developed
by
directly
constructing
a
supramolecular
framework
embedded
with
boron
clusters
cucurbituril
as
reducing
agent.
This
approach
enabled
situ
conversion
Pt⁴⁺
into
highly
dispersed,
small-sized
nano-platinum,
which
subsequently
distributed
on
boron-carbon-nitrogen
(BCN)
matrix.
resulting
Pt/BNHCSs
catalyst
demonstrates
ability
facilitate
electrocatalytic
splitting
for
across
multiple
scenarios
while
simultaneously
accelerating
methanol
oxidation
kinetics,
significantly
outperforming
commercial
Pt/C
various
aspects.
cathodic
evolution-anodic
coupling
system
constructed
using
greatly
reduces
consumption
system.
In
attenuated
total
reflection
Fourier
transform
infrared
online
differential
electrochemical
mass
spectrometry
reveals
that
interface
enhances
H₂O
adsorption
promotes
CH₃OH→CO
process,
density
functional
theory
calculations
indicated
BCN
support
facilitated
evolution
H₂
CH₃OH
CO,
elucidating
mechanism
promoted
oxidation.
