Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 26, 2024
Sluggish
conversion
kinetics
of
polysulfides
during
discharge
and
the
severe
shuttle
effect
significantly
hinder
practical
application
lithium-sulfur
(Li-S)
batteries.
In
this
work,
lattice
engineering
strategy
Fe
hybridization
is
employed
to
manipulate
bulk
phase
spacing
FeNi
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 24, 2025
Electrochemical
conversion
of
CO2
into
methanol
has
received
extensive
attention
in
recent
years
since
is
an
efficient
energy
carrier
and
industrial
feedstock.
However,
the
selectivity
to
remains
unsatisfied.
In
this
work,
Sb-doped
Cs3Cu2I5
first
rationally
developed
for
electrochemical
reduction,
achieving
remarkable
high
methanol.
UV–vis
absorption,
X-ray
photoelectron
spectroscopy
(XPS),
density
functional
theory
(DFT)
calculations
show
that
Sb
dopants
narrow
band
gap
enhance
metal–ligand
hybridization
due
introduction
5p
orbitals,
which
accordingly
charge
transfer.
addition,
Cu–Sb
pair
Sb@Cs3Cu2I5
perovskite
synergistically
catalyzes
conversion.
The
Cu
sites
serve
absorption
activation,
while
stabilize
intermediate
*OCH2
through
Sb–O
bond
superior
oxygen
affinity.
plasma-treated
sample
with
electron-deficient
exhibits
best
as
88.38%.
This
work
provides
new
insight
highly
metal
halide
perovskite-based
catalysts
ACS Applied Materials & Interfaces,
Journal Year:
2025,
Volume and Issue:
17(9), P. 14109 - 14118
Published: Feb. 24, 2025
Constructing
multimetallic
alloy
heterostructures
with
the
desired
interface
and
phase
separation
is
a
promising
method
to
optimize
electrochemical
properties
of
noble
metal
nanomaterials.
Nevertheless,
tailoring
elemental
distribution
lattice
structures
such
nanomaterials
still
poses
major
difficulties.
In
this
study,
Cu-PtNi
nanowires
coupling
PtNi
PtNiCu
active
sites
are
fabricated
by
seeded
synthesis
on
Cu
template.
Owing
oxophilic
nature
anti-CO
poisoning
capability
facets,
as-synthesized
exhibit
enhanced
methanol
oxidation
reaction
(MOR)
performance
(7.73
A
mgPt–1),
outperforming
those
alloy,
commercial
Pt/C
catalysts.
Theoretical
calculations
in
conjunction
operando
infrared
reflection
absorption
spectroscopy
demonstrate
that
lattice-compressed
Pt3Ni
(111)–Pt3NiCu
(100)
stands
out
as
highly
efficient
site,
which
promotes
OH
intermediate
adsorption
simultaneously
weakens
CO
during
MOR.
addition,
at
10
mA
cm–2,
also
an
impressively
reduced
overpotential
35.2
mV
for
hydrogen
evolution
(HER)
under
alkaline
conditions.
This
work
offers
strategy
boost
electrocatalytic
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 4, 2025
Abstract
Constructing
high‐efficiency
platinum
(Pt)‐based
catalysts
for
methanol
oxidation
reaction
(MOR)
by
suppressing
the
intermediate
CO
ads
generation
is
strongly
desired
and
remains
a
grand
challenge.
Herein,
concept
of
holding
O‐bridged
triple
sites
documented
to
strengthen
“non‐CO”
pathway
selectivity
forming
HCOO
−
species
during
MOR.
The
obtained
Ga‐O‐PtPd
via
grafting
single‐atomic
Ga
on
PtPd
nanosheets
achieves
high
current
density
3.05
mAcm
−2
MOR,
which
5.65
times
higher
than
commercial
Pt/C
(0.54
),
as
well
remarkably
stability
poison
resistance.
diffuse
reflectance
infrared
Fourier
transform
spectroscopy
(CO‐DRIFTS)
results
reveal
that
present
weak
binding
ability,
reducing
intermediate.
In
addition,
Ga‐O‐PtPd‐based
Zn‐methanol‐air
batteries
an
excellent
activity
compared
with
catalysts.
Advanced Sustainable Systems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 23, 2025
Abstract
Methanol
electrolysis,
coupling
thermodynamically
favorable
methanol
oxidation
reaction
(MOR)
and
hydrogen
evolution
(HER),
is
a
promising
strategy
for
energy‐saving
generation
as
compared
with
traditional
water
splitting.
Pt‐based
catalysts
are
the
best
choice
while
intrinsic
activity
utilization
of
Pt
should
be
increased
due
to
its
high
cost.
Supporting
engineering
effective
in
boosting
catalytic
effectiveness,
some
novel
supports
diverse
support
effects
developed
accelerate
kinetics
improve
efficiency.
Herein,
comprehensive
review
recent
advances
electrocatalysts
methanol‐assisted
production
provided.
The
mechanism
electrolysis
anode
MOR
cathode
HER
first
outlined,
respectively.
Then,
performance
enhancement
effects,
including
anchoring,
electronic,
synergistic,
strain
briefly
discussed.
Subsequently,
clarified
by
supports,
metal
oxides,
phosphides,
selenides,
tellurides,
presented,
promotion
effect
relevant
challenges
future
perspectives
concluded
last
section,
where
most
attention
paid
metal‐supporting
their
understanding
study.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 25, 2025
Abstract
Ligand
modification
has
been
widely
utilized
to
tune
the
coordination
environment
of
active
sites
in
noble
metal‐based
electrocatalysts
enhance
their
catalytic
activity
and
selectivity.
However,
ligand‐induced
structure
transition
catalyst
its
effect
on
performance
is
not
clear.
In
this
study,
a
thiol
strategy
developed
prepare
sulfur‐capped
mesoporous
PtPbBi
nanosheets
(S‐PtPbBi
MNSs)
with
an
alloy/intermetallic
compound
heterophase
inhomogeneous
tensile
strain
(≈3%).
The
obtained
S‐PtPbBi
MNSs
exhibit
excellent
electrocatalytic
for
ethylene
glycol
oxidation
reaction
(EGOR),
achieving
Faradic
efficiency
up
92%
converting
EG
glycolic
acid.
EG‐assisted
electrochemical
water
splitting,
only
require
low
cell
voltage
0.60
V
achieve
current
density
10
mA
cm
−2
.
anion
exchange
membrane
electrolyzer
utilizing
can
drive
500
at
1.63
V,
along
exceptional
stability
200
h.
Density
functional
theory
calculations
reveal
that
facilitates
adsorption
reactants
enhances
electron
transfer
between
key
intermediate.
This
work
provides
deep
insights
into
ligand
modification‐induced
construction
novel
catalysts
creates
new
opportunities
small
molecule‐assisted
splitting
efficient
production
hydrogen.