ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
6(7), P. 2642 - 2659
Published: May 30, 2024
High-entropy
alloys
(HEAs)
contain
five
or
more
main
elements,
and
each
element
ranges
in
content
from
5%
to
35%.
Due
the
abundant
selectivity
of
excellent
structural
stability,
adjustable
active
centers,
HEAs
have
been
widely
used
electrocatalysis.
Designing
HEA
catalysts
at
atomic
scale
can
deeply
describe
their
complexity
accurately
reflect
relationship
between
structure
catalytic
performance.
In
this
Review,
design
HEA-based
electrocatalysts
is
introduced
it
evaluated
terms
activity,
selectivity,
efficiency.
Ingenuity
level
customize
composition
geometric
HEAs,
thereby
enhancing
intrinsic
activity
site,
creating
new
sites,
improving
operational
stability.
The
Review
provides
insights
into
electrocatalytic
properties
guidance
for
synthesis
advanced
viewpoint
fabrication.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 24, 2024
Abstract
Hydrogen
peroxide
(H
2
O
)
is
a
high‐value
chemical
widely
used
in
electronics,
textiles,
paper
bleaching,
medical
disinfection,
and
wastewater
treatment.
Traditional
production
methods,
such
as
the
anthraquinone
oxidation
process
direct
synthesis,
require
high
energy
consumption,
involve
risks
from
toxic
substances
explosions.
Researchers
are
now
exploring
photochemical,
electrochemical,
photoelectrochemical
synthesis
methods
to
reduce
use
pollution.
This
review
focuses
on
2‐electron
oxygen
reduction
reaction
(2e
−
ORR)
for
electrochemical
of
H
2,
discusses
how
catalyst
active
sites
influence
adsorption.
Strategies
enhance
selectivity
by
regulating
these
presented.
Catalysts
strong
adsorption
initiate
reactions
weak
*OOH
promote
formation.
The
also
covers
advances
single‐atom
catalysts
(SACs),
multi‐metal‐based
catalysts,
highlights
non‐noble
metal
oxides,
especially
perovskite
their
versatile
structures
potential
2e
ORR.
localized
surface
plasmon
resonance
(LSPR)
effects
performance
discussed.
In
conclusion,
emphasis
placed
optimizing
through
theoretical
experimental
achieve
efficient
selective
production,
aiming
sustainable
commercial
applications.
Small,
Journal Year:
2023,
Volume and Issue:
20(21)
Published: Dec. 13, 2023
Abstract
Due
to
their
distinctive
physical
and
chemical
characteristics,
high
entropy
alloys
(HEAs),
a
class
of
comprising
multiple
elements,
have
garnered
lot
attention.
It
is
demonstrated
recently
that
HEA
electrocatalysts
increase
the
activity
stability
several
processes.
In
this
paper,
most
recent
developments
in
research
are
reviewed,
performance
HEAs
catalyzing
key
reactions
water
electrolysis
fuel
cells
summarized.
addition,
design
strategies
for
optimization
introduced,
which
include
component
selection,
size
optimization,
morphology
control,
structural
engineering,
crystal
phase
regulation,
theoretical
prediction,
can
guide
selection
electrocatalysts.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 19, 2024
Abstract
High
entropy
materials
(HEMs)
compositing
of
at
least
five
elements
have
gained
widespread
attention
in
the
field
electrocatalysis
due
to
their
tunable
activities
and
high
stability.
These
intrinsic
properties
can
be
further
highlighted
when
size
HEMs
comes
nanoscale.
In
nanostructured
HEMs,
fascinating
including
large
composition
space,
multi‐element
synergy,
configuration
are
expected
endow
nano‐HEMs
with
excellent
catalytic
activity
stability,
thus
providing
greater
potential
for
design
advanced
electrocatalysts.
this
review,
differentiated
detail
dimensions
common
synthesis
methods
summarized.
Additionally,
from
perspective
complex
nanostructure‐performance
relationship,
applications
systems,
water‐splitting
(hydrogen
evolution
reaction
(HER),
oxygen
(OER)),
hydrogen
oxidation
(HOR),
reduction
(ORR),
carbon
dioxide
(CO
2
RR),
nitrogen
(NRR)
alcohol
(AOR)
discussed.
Finally,
main
challenges
faced
by
underscored.
This
review
is
provide
more
insights
into
understanding
developing
efficient
electrocatalytic
practical
applications.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Sept. 27, 2024
Abstract
High-entropy
materials
represent
a
new
category
of
high-performance
materials,
first
proposed
in
2004
and
extensively
investigated
by
researchers
over
the
past
two
decades.
The
definition
high-entropy
has
continuously
evolved.
In
last
ten
years,
discovery
an
increasing
number
led
to
significant
advancements
their
utilization
energy
storage,
electrocatalysis,
related
domains,
accompanied
rise
techniques
for
fabricating
electrode
materials.
Recently,
research
emphasis
shifted
from
solely
improving
performance
toward
exploring
reaction
mechanisms
adopting
cleaner
preparation
approaches.
However,
current
remains
relatively
vague,
method
is
based
on
single
metal/low-
or
medium-entropy
It
should
be
noted
that
not
all
methods
applicable
can
directly
applied
this
review,
development
are
briefly
reviewed.
Subsequently,
classification
presented,
followed
discussion
applications
storage
catalysis
perspective
synthesis
methods.
Finally,
evaluation
advantages
disadvantages
various
production
process
different
provided,
along
with
proposal
potential
future
directions
ACS Materials Letters,
Journal Year:
2024,
Volume and Issue:
6(7), P. 2642 - 2659
Published: May 30, 2024
High-entropy
alloys
(HEAs)
contain
five
or
more
main
elements,
and
each
element
ranges
in
content
from
5%
to
35%.
Due
the
abundant
selectivity
of
excellent
structural
stability,
adjustable
active
centers,
HEAs
have
been
widely
used
electrocatalysis.
Designing
HEA
catalysts
at
atomic
scale
can
deeply
describe
their
complexity
accurately
reflect
relationship
between
structure
catalytic
performance.
In
this
Review,
design
HEA-based
electrocatalysts
is
introduced
it
evaluated
terms
activity,
selectivity,
efficiency.
Ingenuity
level
customize
composition
geometric
HEAs,
thereby
enhancing
intrinsic
activity
site,
creating
new
sites,
improving
operational
stability.
The
Review
provides
insights
into
electrocatalytic
properties
guidance
for
synthesis
advanced
viewpoint
fabrication.
