Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 13, 2024
Abstract
The
crystalline‐amorphous
(
c‐a
)
interface
can
provide
abundant
accessible
active
sites
and
high
intrinsic
activity
for
hydrogen
evolution
reaction
(HER);
however,
conventional
methods
only
produce
sparse
between
hetero‐phases.
Here,
a
novel
soluble
dopant‐induced
local
self‐reconstruction
strategy
to
yield
dense
nano‐interfaces
is
presented,
as
demonstrated
by
Mo
doped‐NiP
pre‐catalyst.
During
the
cathodic
polarization
in
alkaline
electrolyte,
dopant
initially
dissolves,
generating
nano‐voids
within
NiP
nanosheets;
subsequently
forms
situ
ultrafine
amorphous
MoO
3
nanoparticles,
ranging
from
2
4
nm
size,
embedded
crystalline
nanosheets.
Compared
with
surface
reconstruction
that
generates
interface,
proposed
“dopant‐dissolution‐redeposition”,
occurred
inner
regions
around
dopants,
nano‐interface.
Theoretical
calculations
reveal
efficiently
modulate
electronic
structure
of
interfacial
lower
HER
overpotential.
Benefiting
nano‐interface,
amorphous/crystalline
/Mo‐NiP
exhibits
outstanding
performance,
achieving
current
density
10
mA
cm
−2
at
ultra‐low
overpotentials
26
mV
long‐term
stability
1
M
KOH.
This
work
provides
basis
tuning
composition‐structure‐property
relationships
materials
both
interior.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 6, 2024
Abstract
The
proactive
exploration
of
electrocatalytic
conversion
for
renewable
energy
valorization
is
tremendous
significance
in
addressing
the
issues
fossil
exhaustion,
among
which
critical
challenge
electrocatalysis
lies
rational
design
efficient
electrocatalysts
that
are
rich
earth.
Among
electrocatalysts,
heterostructured
materials
exhibits
immense
potential
optimization
noble
metals
and
elaboration
non‐precious
metal
with
durability.
In
this
review,
a
systematic
overview
modern
advances
range
reactions
described,
special
interfacial
brings
additional
functional
effects.
Subsequently,
various
synthesis
methods
characterization
techniques
also
summarized.
innovative
classification
heterostructures
junction,
crystal
structure,
structural
morphology,
properties
components
presented
review.
Finally,
possible
challenges
outlooks
future
further
discussed,
including
how
to
develop
more
sophisticated
synthesis,
characterization,
theoretical
calculation
methods,
will
serve
as
guiding
direction
interface
design.
This
review
aims
set
trajectory
providing
meaningful
inspiration
references
by
advancing
process
carbon
neutrality.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(36)
Published: May 6, 2024
Abstract
The
electrooxidation
of
urea
holds
great
potential
for
converting
from
wastewater
into
hydrogen,
contributing
to
environmental
protection
and
sustainable
energy
production.
This
necessitates
the
development
highly
efficient
stable
catalysts
oxidation
reaction
(UOR).
In
this
study,
a
NiCoCr‐LDH/NF
(nickel‐cobalt‐chromium
layered
double
hydroxide/nickel
foam)
electrode
is
successfully
synthesized
via
simple
hydrothermal
method,
demonstrating
excellent
electrocatalytic
performance
with
low
work
1.38
V
at
high
current
density
100
mA
cm
−2
.
situ,
Raman
spectra
analysis
revealed
that
incorporation
chromium
(Cr)
facilitated
generation
active
γ‐NiOOH
species
catalyst
reconstruction.
Density
functional
theory
(DFT)
simulations
confirmed
lower
formation
due
weakened
interaction
O─H
bonds
because
narrow
range
hybridization
between
O‐2p
z
orbitals
H‐1s
orbitals.
introduction
Cr
also
improved
adsorption
molecules
its
intermediates,
thereby
enhancing
overall
activity
UOR.
With
performance,
unique
electronic
states,
coordination
structures,
showcases
practical
applications
in
field
catalysis.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(46)
Published: Aug. 12, 2024
Abstract
Electrooxidation
of
biomass‐derived
glycerol
which
is
regarded
as
a
main
byproduct
industrial
biodiesel
production,
an
innovative
strategy
to
produce
value‐added
chemicals,
but
currently
showcases
slow
kinetics,
limited
Faraday
efficiency,
and
unclear
catalytic
mechanism.
Herein,
we
report
high‐efficiency
electrooxidation
into
formate
via
Cu
doped
NiCo
alloy
catalyst
supported
on
nickel
foam
(Cu−NiCo/NF)
in
coupled
system
paired
with
nitrate
reduction.
The
designed
Cu−NiCo/NF
delivers
only
1.23
V
vs
.
RHE
at
10
mA
cm
−2
,
record
efficiency
93.8
%.
superior
performance
ascribed
the
rapid
generation
Ni
III
−OOH
Co
species
favorable
coupling
surface
*O
reactive
intermediates.
Using
bifunctional
catalyst,
synchronously
produces
NH
3
formate,
showing
290
mV
lower
than
hydrogen
evolution
reaction,
together
excellent
long‐term
stability
for
up
144
h.
This
work
lays
out
new
guidelines
reliable
strategies
from
design
electrochemical
refinery.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
Abstract
Overall
water
splitting
(OWS)
to
produce
hydrogen
has
attracted
large
attention
in
recent
years
due
its
ecological‐friendliness
and
sustainability.
However,
the
efficiency
of
OWS
been
forced
by
sluggish
kinetics
four‐electron
oxygen
evolution
reaction
(OER).
The
replacement
OER
alternative
electrooxidation
small
molecules
with
more
thermodynamically
favorable
potentials
may
fundamentally
break
limitation
achieve
production
low
energy
consumption,
which
also
be
accompanied
value‐added
chemicals
than
or
electrochemical
degradation
pollutants.
This
review
critically
assesses
latest
discoveries
coupled
various
OWS,
including
alcohols,
aldehydes,
amides,
urea,
hydrazine,
etc.
Emphasis
is
placed
on
corresponding
electrocatalyst
design
related
mechanisms
(e.g.,
dual
hydrogenation
N–N
bond
breaking
hydrazine
C═N
regulation
urea
inhibit
hazardous
NCO
−
NO
productions,
etc.),
along
emerging
reactions
(electrooxidation
tetrazoles,
furazans,
iodide,
quinolines,
ascorbic
acid,
sterol,
trimethylamine,
etc.).
Some
new
decoupled
electrolysis
self‐powered
systems
are
discussed
detail.
Finally,
potential
challenges
prospects
highlighted
aid
future
research
directions.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(36)
Published: June 14, 2024
Reconstruction-engineered
electrocatalysts
with
enriched
high
active
Ni
species
for
urea
oxidation
reaction
(UOR)
have
recently
become
promising
candidates
energy
conversion.
However,
to
inhibit
the
over-oxidation
of
brought
by
valence
state
Ni,
tremendous
efforts
are
devoted
obtaining
low-value
products
nitrogen
gas
avoid
toxic
nitrite
formation,
undesirably
causing
inefficient
utilization
cycle.
Herein,
we
proposed
a
mediation
engineering
strategy
significantly
boost
high-value
formation
help
close
loop
employment
economy.
Specifically,
platinum-loaded
nickel
phosphides
(Pt-Ni
