Nanoscale,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
The
corrosion
engineering
strategy
is
used
to
synthesize
self-standing
Fe
2
O
3
-Pt/NF
heterostructures
for
efficient
water
splitting
in
alkaline
solution,
attributed
abundant
active
sites,
fast
electron
transfer,
and
strong
electronic
interaction.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: Aug. 22, 2024
Abstract
Electrocatalytic
5-hydroxymethylfurfural
oxidation
reaction
(HMFOR)
provides
a
promising
strategy
to
convert
biomass
derivative
high-value-added
chemicals.
Herein,
cascade
is
proposed
construct
Pd–NiCo
2
O
4
electrocatalyst
by
Pd
loading
on
Ni-doped
Co
3
and
for
highly
active
stable
synergistic
HMF
oxidation.
An
elevated
current
density
of
800
mA
cm
–2
can
be
achieved
at
1.5
V,
both
Faradaic
efficiency
yield
2,5-furandicarboxylic
acid
remained
close
100%
over
10
consecutive
electrolysis.
Experimental
theoretical
results
unveil
that
the
introduction
atoms
modulate
local
electronic
structure
Ni/Co,
which
not
only
balances
competitive
adsorption
OH
–
species,
but
also
promote
Ni
3+
species
formation,
inducing
high
indirect
activity.
We
have
discovered
incorporation
facilitates
2+
pre-oxidation
electrophilic
OH*
generation
contribute
direct
process.
This
work
new
approach
design
advanced
upgrading.
Energy & Environmental Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
A
chemical–electrochemical
coupled
pathway
on
Ni(OH)
2
surface
has
been
proposed
for
high-selectivity
urea
electrooxidation
reaction
(UOR)
as
the
alternative
of
conventional
oxygen
evolution
(OER).
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 10, 2025
Abstract
Exploring
low‐iridium
(Ir)
electrocatalysts
for
oxygen
evolution
reaction
(OER)
is
exigent
to
promote
the
commercialization
of
proton
electrolyte
membrane
water
electrolyzers
(PEMWEs).
Herein,
study
presents
a
scalable
and
facile
strategy
in
situ
construct
an
IrO
x
nanofilm
continuously
coated
on
TiO
support
as
efficient
durable
OER
catalyst
through
one‐step
annealing
Ir‐salt‐adsorbed
titanium‐based
metal–organic
frameworks
(MOFs)
precursor.
The
unique
structure
forms
continuous
p‐n
junction
interface,
endowing
strong
interfacial
electron
transfer
from
also
ensuring
well‐connected
conductive
network
anodic
catalytic
layer
due
dispersion
.
optimal
requires
low
overpotential
233
mV
at
10
mA
cm
−2
with
40‐fold
com.
2
mass
activity.
assembled
PEMWE
shows
cell
voltage
1.762
V
1
A
≈220
h
operation
under
start/shut‐down
operation.
Operando
characterizations
theoretical
calculation
reveal
that
not
only
reduces
energy
barrier
dissociation
deprotonation
step
*OOH
boosting
kinetics
but
prevents
oxidation
Ir
sites
form
soluble
species
improves
durability.
This
work
offers
new
avenue
rationally
design
synthesize
low‐Ir
application.
Angewandte Chemie International Edition,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 10, 2025
The
general
understanding
on
the
reaction
path
is
that
electrocatalytic
N2
reduction
follows
either
individual
associative
alternating
or
distal
pathways,
where
efficient
activation
and
selective
NH3
production
are
very
challenging.
Herein,
an
unconventional
"alternating-distal"
pathway
was
achieved
by
shifting
"*NHNH2→*NH2NH2"
to
"*NHNH2→*NH
+
NH3"
step
boost
synthesis
with
amorphous
CeMnOx
electrocatalyst.
In
this
process,
realized
through
π
back
donation
Mn
site,
while
Mn/Ce
dual
active
sites
could
regulate
intermediate
configurations
avoid
nitrogen-containing
by-product
formation.
Such
affirmed
in
situ
spectroscopic
analyses
theoretical
calculations.
a
neutral
media,
average
ammonia
rate
of
82.8
µg
h-1
mg-1
outstanding
Faradaic
efficiency
37.3%
were
attained.
This
work
validated
mechanism
synthesis,
which
might
be
extended
other
catalytic
process
multiple
possible
paths.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 5, 2025
The
past
decade
has
seen
significant
progress
in
proton
exchange
membrane
water
electrolyzers
(PEMWE),
but
the
growing
demand
for
cost-effective
electrolytic
hydrogen
pushes
higher
efficiency
at
lower
costs.
As
a
complex
system,
performance
of
PEMWE
is
governed
by
combination
multiscale
factors.
This
review
summarizes
latest
from
quantum
to
macroscopic
scales.
At
level,
electron
spin
configurations
can
be
optimized
enhance
catalytic
activity.
nano
and
meso
scales,
advancements
atomic
structure
optimization,
crystal
phase
engineering,
heterostructure
design
improve
mass
transport.
macro
scale,
innovative
techniques
gas
bubble
management
internal
resistance
reduction
drive
further
gains
under
ampere-level
operating
conditions.
These
modifications
level
cascade
through
meso-
macro-scales,
affecting
charge
transfer,
reaction
kinetics,
evolution
management.
Unlike
conventional
approaches
that
focus
solely
on
one
scale-either
catalyst
(e.g.,
atomic,
or
modifications)
device
porous
transport
layers
design)-combining
optimizations
unlocks
greater
improvements.
Finally,
perspective
future
opportunities
engineering
anode
toward
commercial
viability
offered.