Dalton Transactions,
Journal Year:
2023,
Volume and Issue:
52(19), P. 6248 - 6253
Published: Jan. 1, 2023
Metal-free
boron
phosphide
(BP)
is
explored
for
the
first
time
as
an
effective
catalyst
electrocatalytic
NO
reduction
to
NH3,
showing
a
high
NH3-faradaic
efficiency
of
83.3%
with
NH3
yield
rate
96.6
μmol
h-1
cm-2,
surpassing
most
metal-based
catalysts.
Theoretical
results
reveal
that
B
and
P
atoms
BP
can
serve
dual-active
centers
synergistically
activate
NO,
promote
NORR
hydrogenation
process
inhibit
competing
hydrogen
evolution
reaction.
Small,
Journal Year:
2022,
Volume and Issue:
18(52)
Published: Oct. 26, 2022
Abstract
With
the
development
of
renewable
energy
systems,
clean
hydrogen
is
burgeoning
as
an
optimal
alternative
to
fossil
fuels,
in
which
its
application
promising
retarding
global
and
environmental
crisis.
The
evolution
reaction
(HER),
capable
producing
high‐purity
rapidly
electrocatalytic
water
splitting,
has
received
much
attention.
Abundant
research
about
HER
been
done,
focusing
on
advanced
electrocatalyst
design
with
high
efficiency
robust
stability.
As
potential
catalysts,
metal
nanoclusters
(MNCs)
have
studied
extensively.
They
are
composed
several
a
hundred
atoms,
sizes
being
comparable
Fermi
wavelength
electrons,
that
is,
<
2.0
nm.
Different
from
atoms/nanoparticles,
they
exhibit
unique
catalytic
properties
due
their
quantum
size
effect
low‐coordination
environment.
In
this
review,
activity‐enhancing
approaches
MNCs
applied
electrocatalysis
mainly
summarized.
Furthermore,
recent
progress
classified
different
stabilization
strategies,
freestanding
MNCs,
organic,
carbon
supports,
introduced.
Finally,
current
challenges
deficiencies
these
for
prospected.
Small,
Journal Year:
2023,
Volume and Issue:
19(10)
Published: Jan. 22, 2023
Electrochemical
nitrate
(NO3-
)
reduction
to
ammonia
(NH3
offers
a
promising
pathway
recover
NO3-
pollutants
from
industrial
wastewater
that
can
balance
the
nitrogen
cycle
and
sustainable
green
NH3
production.
However,
efficiency
of
electrocatalytic
synthesis
remains
low
for
most
electrocatalysts
due
complex
reaction
processes
severe
hydrogen
precipitation
reaction.
Herein,
high
performance
RR)
is
demonstrated
on
self-supported
Pd
nanorod
arrays
in
porous
nickel
framework
foam
(Pd/NF).
It
provides
lot
active
sites
H*
adsorption
activation
leading
remarkable
yield
rate
1.52
mmol
cm-2
h-1
Faradaic
78%
at
-1.4
V
versus
RHE.
Notably,
it
maintains
over
50
cycles
25
h
showing
good
stability.
Remarkably,
large-area
Pd/NF
electrode
(25
cm2
shows
174.25
mg
,
be
candidate
device
application.
In
situ
FTIR
spectroscopy
density
functional
theory
calculations
analysis
confirm
enrichment
effect
nanorods
encourages
H
species
following
hydrogenation
mechanism.
This
work
brings
useful
strategy
designing
RR
catalysts
with
customizable
compositions.
Small,
Journal Year:
2023,
Volume and Issue:
19(16)
Published: Jan. 5, 2023
Abstract
Since
the
discovery
of
graphene,
research
on
family
2D
materials
has
been
a
thriving
field.
Metal
phosphorous
chalcogenides
(MPX
3
)
have
attracted
renewed
attention
due
to
their
distinctive
physical
and
chemical
properties.
The
advantages
MPX
,
such
as
tunable
layered
structures,
unique
electronic
properties,
thermodynamically
appropriate
band
alignments
abundant
catalytic
active
sites
surface,
make
material
great
potential
in
electrocatalysis.
In
this
review,
applications
electrocatalysts
recent
years,
including
hydrogen
evolution
reaction,
oxygen
reduction
are
summarized.
Structural
regulation,
doping
multi‐material
composite
that
often
effective
practical
methods
further
optimize
properties
these
materials,
introduced.
Finally,
challenges
opportunities
for
electrocatalytic
discussed.
This
report
aims
advance
future
efforts
develop
related
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(13)
Published: Feb. 7, 2023
Abstract
The
precise
coordination
environment
manipulation
and
interfacial
electron
redistribution
are
significant
strategies
for
the
modulation
of
electronic
configuration
intermediates
adsorption
behaviors,
while
complex
synergistic
effect
is
yet
to
materialize
due
lack
catalyst
platform.
Herein,
an
atomic‐scale
platform
containing
single
Cu
site
with
tunable
(Cu‐N
4
or
Cu‐S
1
N
3
)
easy
decoration
cluster
(Cu
x
electrochemical
O
2
reduction
reaction
(ORR)
reported.
Theoretical
analysis
shows
that
charge
up‐shifting
d
‐band
center
induced
by
asymmetrical
effectively
strength
*OOH
adsorption.
in
enables
/Cu
a
superior
ORR
performance
compared
samples
without
S
atom
and/or
.
Moreover,
behavior
tuned
interactions
correlated
linearly
catalytic
potential,
e.g.,
half‐wave
potential
kinetic,
Tafel
slope
ORR,
indicating
high
applicability
intermediate
as
indicators
performance.
This
study
provides
comprehensive
strategy
can
be
extended
facilitate
other
proton‐coupled
transfer
reactions.
Chemical Communications,
Journal Year:
2023,
Volume and Issue:
59(66), P. 9992 - 9995
Published: Jan. 1, 2023
In
this
study,
we
prepared
amorphous
iron-cobalt
oxide
through
the
dealloying
of
trimetallic
FeCoAl,
showing
excellent
performance
in
both
urea
oxidation
and
hydrogen
evolution
reactions
(UOR
HER)
alkaline
seawater.
The
catalyst
demonstrated
stable
UOR
HER
activity
during
long-term
operations
due
to
abundant
active
sites
oxygen
vacancies.
required
applied
potentials
1.52
-0.185
V
yield
100
mA
cm-2
for
HER,
respectively.
Moreover,
when
used
as
cathode
anode,
electrolyzer
a
working
voltage
1.68
urea-assisted
production.
