ACS Applied Materials & Interfaces,
Год журнала:
2023,
Номер
15(12), С. 15344 - 15352
Опубликована: Март 15, 2023
The
practical
applications
of
temperature-tolerant
Zn-air
batteries
(ZABs)
rely
on
highly
active
and
stable
bifunctional
catalysts
that
accelerate
cathodic
oxygen
reduction
(ORR)
evolution
(OER)
reactions.
Herein,
we
successfully
integrated
fascinating
transition
metal
nitrides
FeCo
alloys
through
a
simple
coordination
assembly
pyrolysis
process.
Importantly,
the
alloy-to-nitride
ratio
in
heterogeneous
catalyst
can
be
carefully
regulated
subsequent
etching
Moreover,
composition-dependent
ORR/OER
performance
FeCo-Mo0.82N
was
revealed.
Aqueous
ZABs
using
optimized
FeCo-Mo0.82N-60
as
cathode
exhibit
high
peak
power
density
149.7
mW
cm-2
an
impressive
stability
600
h
with
low
charge-discharge
voltage
gap
decay
rate
0.025
mV
h-1,
which
exceeds
those
most
recent
reports.
Furthermore,
FeCo-Mo0.82N-60-based
flexible
display
small
specific
capacity
degradation
(3%)
from
40
to
-10
°C,
demonstrating
excellent
temperature
tolerance.
Energy & Fuels,
Год журнала:
2023,
Номер
37(3), С. 1545 - 1576
Опубликована: Янв. 13, 2023
Decarbonizing
the
chemical
industry
and
achieving
carbon-neutral
energy
is
paramount
to
sustainability
of
human
species
on
earth.
Electrocatalysis
using
transition
metal-based
catalysts
plays
a
major
role
in
this
task.
In
work,
we
present
an
overview
application
electrocatalytic
reactions.
We
particularly
focus
advancement
hydrogen
evolution
reaction
(HER),
oxygen
(OER),
reduction
(ORR),
nitrogen
(NRR),
carbon
dioxide
(CO2RR)
metal
electrocatalysts.
also
aim
highlight
achievements
these
fields
limitations
their
large-scale
industrial
applications.
Different
are
discussed,
from
3-dimensional
1-
0-dimensional
structures.
place
special
attention
emerging
such
as
2-dimensional
carbide
nitride
MXenes
single
atom
catalysts.
Lastly,
offer
recommendation
for
future
research
directions
aforementioned
electrocatalysis
This
work
will
ultimately
help
both
existing
incoming
researchers
providing
state-of-the-art
findings
identifying
challenges
that
must
be
addressed
order
attain
energy.
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
ACS Catalysis,
Год журнала:
2023,
Номер
13(13), С. 9222 - 9233
Опубликована: Июнь 26, 2023
Cu
is
considered
as
the
most
promising
catalyst
for
electrochemical
carbon
dioxide
reduction
reaction
(CO2RR)
to
produce
C2+
hydrocarbons,
but
achieving
high
product
selectivity
and
efficiency
with
long-term
stability
remains
one
of
great
challenges.
Herein,
we
report
a
strategy
realize
CO2RR
allowing
stable
catalytic
properties
by
utilizing
benefits
oxygen-plasma-assisted
nitrogen
doping
on
CuO.
It
exhibited
that
defects
such
oxygen
vacancies
grain
boundaries
suitable
are
generated
N2
plasma
radicals
Also,
oxidation
state
maintained
without
O2
plasma.
Indeed,
ON–CuO
synthesized
through
demonstrated
enable
77%
(including
C2H4
56%)
current
density
−34.6
mA/cm2
at
−1.1
V
vs
RHE,
well
22
h
performance
degradation.
High
performances
ascribed
increased
CO
binding
energy
sites
in
N-doped
Furthermore,
an
situ
X-ray
absorption
near-edge
structure
analysis
reveals
favorable
C–C
coupling
leading
products.
