Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Sept. 16, 2024
The
serious
problem
of
carbon
monoxide
(CO)
poisoning
on
the
surface
Pt-based
catalysts
has
long
constrained
commercialization
proton
exchange
membrane
fuel
cells
(PEMFCs).
Regeneration
Pt
sites
by
maintaining
CO
scavenging
ability
through
precise
construction
and
interface
structure
catalyst
is
key
to
obtaining
high-performance
CO-resistant
catalysts.
Here,
we
used
molybdenum
carbide
(MoC
Chemical Reviews,
Journal Year:
2023,
Volume and Issue:
123(22), P. 12507 - 12593
Published: Nov. 1, 2023
Electrocatalysis
underpins
the
renewable
electrochemical
conversions
for
sustainability,
which
further
replies
on
metallic
nanocrystals
as
vital
electrocatalysts.
Intermetallic
have
been
known
to
show
distinct
properties
compared
their
disordered
counterparts,
and
long
explored
functional
improvements.
Tremendous
progresses
made
in
past
few
years,
with
notable
trend
of
more
precise
engineering
down
an
atomic
level
investigation
transferring
into
practical
membrane
electrode
assembly
(MEA),
motivates
this
timely
review.
After
addressing
basic
thermodynamic
kinetic
fundamentals,
we
discuss
classic
latest
synthetic
strategies
that
enable
not
only
formation
intermetallic
phase
but
also
rational
control
other
catalysis-determinant
structural
parameters,
such
size
morphology.
We
demonstrate
emerging
nanomaterials
potentially
advancement
energy
electrocatalysis.
Then,
state-of-the-art
characterizations
representative
electrocatalysts
emphasis
oxygen
reduction
reaction
evaluated
a
MEA
setup.
summarize
review
by
laying
out
existing
challenges
offering
perspective
future
research
directions
toward
practicing
conversions.
Applied Catalysis B Environment and Energy,
Journal Year:
2023,
Volume and Issue:
343, P. 123584 - 123584
Published: Dec. 1, 2023
The
electrocatalytic
process
of
water
splitting
offers
a
promising
approach
to
produce
sustainable
hydrogen.
However,
the
slow
kinetics
oxygen
evolution
reaction
(OER)
presents
notable
challenge,
especially
in
acidic
environment
proton
exchange
membrane
(PEM)
systems.
Despite
extensive
progress
made
catalyst
development
for
hydrogen
production
through
electrolysis
last
century,
significant
advancements
have
been
accomplished.
quest
OER
catalysts
that
possess
both
high
activity
and
stability,
while
also
being
affordable,
continues
be
challenging.
Currently,
Ru/Ir-based
electrocatalysts
are
only
practical
anode
available.
Therefore,
it
is
crucial
explore
feasible
strategies
enhance
performance
longevity
catalysts.
This
review
comprehensive
assessment
obstacles
prospective
Additionally,
underscores
areas
research
concentration,
providing
valuable
perspectives
future
endeavors
development.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(14)
Published: Sept. 27, 2023
Hydrogenation
reactions
play
a
critical
role
in
the
synthesis
of
value-added
products
within
chemical
industry.
Electrocatalytic
hydrogenation
(ECH)
using
water
as
hydrogen
source
has
emerged
an
alternative
to
conventional
thermocatalytic
processes
for
sustainable
and
decentralized
under
mild
conditions.
Among
various
ECH
catalysts,
copper-based
(Cu-based)
nanomaterials
are
promising
candidates
due
their
earth-abundance,
unique
electronic
structure,
versatility,
high
activity/selectivity.
Herein,
recent
advances
application
Cu-based
catalysts
upgrading
valuable
chemicals
systematically
analyzed.
The
properties
initially
introduced,
followed
by
design
strategies
enhance
activity
selectivity.
Then,
typical
on
presented
detail,
including
carbon
dioxide
reduction
multicarbon
generation,
alkyne-to-alkene
conversion,
selective
aldehyde
ammonia
production
from
nitrogen-containing
substances,
amine
organic
nitrogen
compounds.
In
these
catalyst
composition
nanostructures
toward
different
is
focused.
co-hydrogenation
two
substrates
(e.g.,
CO
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(15)
Published: Jan. 9, 2024
Polyoxometalates
(POMs),
a
kind
of
molecular
metal
oxide
cluster
with
unique
physical-chemical
properties,
have
made
essential
contributions
to
creating
efficient
and
robust
electrocatalysts
in
renewable
energy
systems.
Due
the
fundamental
advantages
POMs,
such
as
diversity
structures
large
numbers
redox
active
sites,
numerous
efforts
been
devoted
extending
their
application
areas.
Up
now,
various
strategies
assembling
POM
molecules
into
superstructures,
supporting
POMs
on
heterogeneous
substrates,
POMs-derived
compounds
developed
for
synthesizing
electrocatalysts.
From
multidisciplinary
perspective,
latest
advances
POM-structured
materials
focus
fundamentals,
electrocatalytic
roles,
recent
breakthroughs
POM-derived
electrocatalysts,
are
systematically
summarized.
Notably,
this
paper
focuses
exposing
current
states,
essences,
mechanisms
how
influence
activities
discloses
critical
requirements
future
developments.
The
challenges,
objectives,
comparisons,
perspectives
also
discussed.
It
is
anticipated
that
review
will
offer
substantial
impact
stimulating
interdisciplinary
prosperities
widespread
utilizations
electrocatalysis.
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(23)
Published: June 5, 2024
Alloying
has
proven
power
to
upgrade
metallic
electrocatalysts,
while
the
traditional
alloys
encounter
limitation
for
optimizing
electronic
structures
of
surface
sites
in
a
continuous
manner.
High-entropy
(HEAs)
overcome
this
by
manageably
tuning
adsorption/desorption
energies
reaction
intermediates.
Recently,
marriage
nanotechnology
and
HEAs
made
considerable
progresses
renewable
energy
technologies,
showing
two
important
trends
size
diminishment
multidimensionality.
This
review
is
dedicated
summarizing
recent
advances
that
are
rationally
designed
electrocatalysis.
We
first
explain
advantages
as
electrocatalysts
from
three
aspects:
high
entropy,
nanometer,
multidimension.
Then,
several
structural
regulation
methods
proposed
promote
electrocatalysis
HEAs,
involving
thermodynamically
nonequilibrium
synthesis,
regulating
(sub-)nanosize
anisotropic
morphologies,
well
engineering
atomic
ordering.
The
general
relationship
between
electrocatalytic
properties
further
discussed.
Finally,
we
outline
remaining
challenges
field,
aiming
inspire
more
sophisticated
HEA-based
nanocatalysts.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(34)
Published: April 25, 2024
Abstract
The
rapid
advancement
of
high‐performance
computing
and
artificial
intelligence
technology
has
opened
up
novel
avenues
for
the
development
various
metal
electrocatalysts.
In
particular,
dilute
high‐entropy
alloys
have
garnered
significant
attention
owing
to
their
unique
electronic
spatial
structures,
as
well
exceptional
electrocatalytic
performance.
Commencing
with
exploration
single‐atom
alloy
catalysts,
latest
advancements
in
machine
learning
(ML)
techniques
are
presented
efficient
screening
a
broad
spectrum
spaces.
Subsequently,
review
delves
into
prevailing
trend
research,
focusing
specifically
on
rare‐metal
electrocatalysts,
offers
an
overview
progress
outcomes
achieved
through
application
ML
these
domains.
Finally,
highlighted
promising
category
electrocatalysts
underscore
importance
potential
applications
addressing
complex
challenging
research
issues
underscored.
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.