Advanced Functional Materials,
Год журнала:
2022,
Номер
32(23)
Опубликована: Март 29, 2022
Abstract
Production
of
green
hydrogen
(H
2
)
by
water
electrolysis
is
important
for
achieving
the
global
mission
carbon
neutrality.
For
this,
acidic
with
a
higher
current
density
operation
and
energy
conversion
efficiency
compared
alkaline
has
attracted
much
attention.
The
four‐electron‐transfer
oxygen
evolution
reaction
(OER)
limits
overall
devices.
In
recent
years,
low‐dimensional
OER
catalysts
have
been
extensively
explored
to
increase
such
devices,
but
most
them
work
well
only
at
low
show
unsatisfied
long‐term
stability.
this
review,
progress
in
discussed
three
aspects
including
intrinsic
activity,
high
operation,
stability
are
focused
upon.
Strategies
improve
these
surface
chemistry
engineering,
constructing
porous
structure,
protecting
active
sites’
comprehensively
reviewed.
Finally,
prospects
developing
high‐performance
industrial
applications
proposed.
Energy & environment materials,
Год журнала:
2022,
Номер
6(5)
Опубликована: Май 28, 2022
Electrochemical
water
splitting
represents
one
of
the
most
promising
technologies
to
produce
green
hydrogen,
which
can
help
realize
goal
achieving
carbon
neutrality.
While
substantial
efforts
on
a
laboratory
scale
have
been
made
for
understanding
fundamental
catalysis
and
developing
high‐performance
electrocatalysts
two
half‐reactions
involved
in
electrocatalysis,
much
less
attention
has
paid
doing
relevant
research
larger
scale.
For
example,
few
such
researches
done
an
industrial
Herein,
we
review
very
recent
endeavors
bridge
gaps
between
applications
electrolysis.
We
begin
by
introducing
fundamentals
electrochemical
then
present
comparisons
testing
protocol,
figure
merit,
catalyst
interest,
manufacturing
cost
industry‐based
water‐electrolysis
research.
Special
is
tracking
surface
reconstruction
process
identifying
real
catalytic
species
under
different
conditions,
highlight
significant
distinctions
corresponding
mechanisms.
Advances
designs
industry‐relevant
electrolysis
are
also
summarized,
reveal
progress
moving
practical
forward
accelerating
synergies
material
science
engineering.
Perspectives
challenges
electrocatalyst
design
strategies
proposed
finally
further
lab‐scale
large‐scale
electrocatalysis
applications.
Advanced Functional Materials,
Год журнала:
2021,
Номер
31(47)
Опубликована: Авг. 26, 2021
Abstract
High‐entropy
alloys
(HEAs)
have
attracted
widespread
attention
in
electrocatalysis
due
to
their
unique
advantages
(adjustable
composition,
complex
surface,
high
tolerance,
etc.).
They
allow
for
the
formation
of
new
and
tailorable
active
sites
multiple
elements
adjacent
each
other,
interaction
can
be
tailored
by
rational
selection
element
configuration
composition.
However,
it
needs
further
explored
catalyst
design,
elements,
determination
sites.
This
review
article
focuses
on
important
progress
multi‐sites
HEAs.
The
classification
is
done
basis
catalytic
reaction,
including
hydrogen
evolution
oxygen
reduction
alcohol
oxidation
carbon
dioxide
nitrogen
reaction.
Based
experiments
theories,
a
more
in‐depth
exploration
activity
HEAs
will
conducted,
(the
special
role
catalysis)
effect.
provide
design
some
reactions,
adjust
compositions
improve
intrinsic
activity.
Furthermore,
remaining
challenges
future
directions
promising
research
fields
are
also
provided.
Advanced Energy Materials,
Год журнала:
2022,
Номер
12(33)
Опубликована: Июль 8, 2022
Abstract
Water
electrolysis
is
regarded
as
an
efficient
and
green
method
to
produce
hydrogen
gas,
a
clean
energy
carrier
that
holds
the
key
solving
global
problems.
So
far,
efficiency
large‐scale
application
of
water
are
restricted
by
electrocatalytic
activity
applied
catalysts.
Recently,
reconstruction
phenomenon
electrocatalysts
during
catalytic
reaction
has
been
discovered,
which
could
form
reactive
sites
for
both
oxygen
evolution
reactions.
Regulation
process
generate
large
number
species
with
high
since
demonstrated
effective
strategy
enhance
performance
electrocatalysts.
This
review
summarizes
recent
progress
in
regulation
strategies
First,
mechanism
briefly
introduced,
critical
factors
regarding
systematically
discussed,
followed
brief
introduction
advanced
characterization
reconstruction.
Moreover,
modulation
summarized
reported
examples
highlighting
promoted
effects
on
process.
Finally,
challenges
facing
surface‐reconstructed
catalysts
future
discussed.
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(16), С. 5652 - 5683
Опубликована: Янв. 1, 2023
This
review
scrutinizes
recent
progress
in
PEMWE
system
including
mechanisms,
the
correlation
among
structure-composition–performance,
manufacturing,
design
and
operation
protocols.
The
challenges
perspectives
for
applications
are
proposed.
Chemical Reviews,
Год журнала:
2024,
Номер
124(7), С. 3694 - 3812
Опубликована: Март 22, 2024
Electrocatalytic
water
splitting
driven
by
renewable
electricity
has
been
recognized
as
a
promising
approach
for
green
hydrogen
production.
Different
from
conventional
strategies
in
developing
electrocatalysts
the
two
half-reactions
of
(e.g.,
and
oxygen
evolution
reactions,
HER
OER)
separately,
there
growing
interest
designing
bifunctional
electrocatalysts,
which
are
able
to
catalyze
both
OER.
In
addition,
considering
high
overpotentials
required
OER
while
limited
value
produced
oxygen,
is
another
rapidly
exploring
alternative
oxidation
reactions
replace
hybrid
toward
energy-efficient
generation.
This
Review
begins
with
an
introduction
on
fundamental
aspects
splitting,
followed
thorough
discussion
various
physicochemical
characterization
techniques
that
frequently
employed
probing
active
sites,
emphasis
reconstruction
during
redox
electrolysis.
The
design,
synthesis,
performance
diverse
based
noble
metals,
nonprecious
metal-free
nanocarbons,
overall
acidic
alkaline
electrolytes,
thoroughly
summarized
compared.
Next,
their
application
also
presented,
wherein
anodic
include
sacrificing
agents
oxidation,
pollutants
oxidative
degradation,
organics
upgrading.
Finally,
concise
statement
current
challenges
future
opportunities
presented
hope
guiding
endeavors
quest
sustainable
Advanced Materials,
Год журнала:
2023,
Номер
35(30)
Опубликована: Апрель 18, 2023
Rare-earth
(RE)-based
transition
metal
oxides
(TMO)
are
emerging
as
a
frontier
toward
the
oxygen
evolution
reaction
(OER),
yet
knowledge
regarding
their
electrocatalytic
mechanism
and
active
sites
is
very
limited.
In
this
work,
atomically
dispersed
Ce
on
CoO
successfully
designed
synthesized
by
an
effective
plasma
(P)-assisted
strategy
model
(P-Ce
SAs@CoO)
to
investigate
origin
of
OER
performance
in
RE-TMO
systems.
The
P-Ce
SAs@CoO
exhibits
favorable
with
overpotential
only
261
mV
at
10
mA
cm-2
robust
electrochemical
stability,
superior
individual
CoO.
X-ray
absorption
spectroscopy
situ
Raman
reveal
that
Ce-induced
electron
redistribution
inhibits
CoO
bond
breakage
CoOCe
unit
site.
Theoretical
analysis
demonstrates
gradient
orbital
coupling
reinforces
covalency
Ce(4f)─O(2p)─Co(3d)
site
optimized
Co-3d-eg
occupancy,
which
can
balance
adsorption
strength
intermediates
turn
reach
apex
theoretical
maximum,
excellent
agreement
experimental
observations.
It
believed
establishment
Ce-CoO
set
basis
for
mechanistic
understanding
structural
design
high-performance
catalysts.
Nature Communications,
Год журнала:
2023,
Номер
14(1)
Опубликована: Май 2, 2023
Abstract
Oxygen
evolution
reaction
catalysts
capable
of
working
efficiently
in
acidic
media
are
highly
demanded
for
the
commercialization
proton
exchange
membrane
water
electrolysis.
Herein,
we
report
a
Zn-doped
RuO
2
nanowire
array
electrocatalyst
with
outstanding
catalytic
performance
oxygen
under
conditions.
Overpotentials
as
low
173,
304,
and
373
mV
achieved
at
10,
500,
1000
mA
cm
−2
,
respectively,
robust
stability
reaching
to
h
10
.
Experimental
theoretical
investigations
establish
clear
synergistic
effect
Zn
dopants
vacancies
on
regulating
binding
configurations
oxygenated
adsorbates
active
centers,
which
then
enables
an
alternative
Ru−Zn
dual-site
oxide
path
reaction.
Due
change
pathways,
energy
barrier
rate-determining
step
is
reduced,
over-oxidation
Ru
sites
alleviated.
As
result,
activity
significantly
enhanced.
