ACS Nano,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 12, 2024
The
high-entropy
concept
affords
an
effective
method
to
design
and
construct
customized
materials
with
desired
characteristics
for
specific
applications.
Extending
this
metal
oxides,
oxides
(HEOs)
can
be
fabricated,
the
synergistic
elemental
interactions
result
in
four
core
effects,
i.e.,
effect,
sluggish-diffusion
severe-lattice-distortion
cocktail
effect.
All
these
effects
greatly
enhance
functionalities
of
vast
material
family,
surpassing
conventional
low-
medium-entropy
oxides.
For
instance,
high
phase
stability,
excellent
electrochemical
performance,
fast
ionic
conductivity
make
HEOs
one
hot
next-generation
candidate
energy
conversion
storage
devices.
Significantly,
extraordinary
mechanical,
electrical,
optical,
thermal,
magnetic
properties
are
very
attractive
applications
beyond
catalysts
batteries,
such
as
electronic
devices,
optic
equipment,
thermal
barrier
coatings.
This
review
will
overview
entropy-stabilized
composition
structure
HEOs,
followed
by
a
comprehensive
introduction
properties.
Then,
several
typical
applications,
transistor,
memristor,
artificial
synapse,
transparent
glass,
photodetector,
light
absorber
emitter,
coating,
cooling
pigment,
synoptically
presented
show
broad
application
prospect
HEOs.
Lastly,
intelligence-guided
high-throughput
screening
briefly
introduced
point
out
future
development
trends,
which
become
powerful
tools
realize
synthesis
optimal
composition,
structure,
performance
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 15, 2024
Abstract
Designing
high‐entropy
oxides
(HEOs)
anodes
with
fast
reaction
kinetics
and
superior
cycling
stability
for
lithium‐ion
battery
energy
storage
is
extremely
promising
but
still
challenging.
Little
attention
has
been
paid
to
solving
the
poor
cyclability
caused
by
structural
damage
volume
expansion
optimizing
design
strategies
of
HEOs.
Herein,
a
free‐standing
hierarchical
porous
alloy
(HEA)/oxide
(hp‐HEA/HEO)
anode
prepared
melt‐dealloying
solution
treatment
method.
The
origins
rapid
ion
diffusion
electron
transport,
as
well
cyclability,
are
systematically
illustrated
different
levels
synergy.
Specifically,
structure
buffers
(only
12.9%)
at
macroscopic,
microcrystalline
stabilization
mechanism
benefiting
from
effects
responsible
overall
frame
during
microscopic
level.
As
result,
hp‐HEA/HEO
exhibits
satisfactory
performance
7.42
mAh
cm
−2
0.5
mA
capacity
retention
98%
1.0
after
100
cycles.
This
work
provides
new
idea
designing
advanced
HEO
materials
in
composition
storage‐related
applications.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 27, 2024
This
review
provides
an
overview
of
the
advances
in
high
entropy
spinel
oxides
diverse
catalytic
reactions
and
highlights
intrinsic
structure–property–performance
relationships.
