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 Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 29, 2024
Abstract
Since
the
electrochemical
de/intercalation
behavior
is
first
detected
in
1980,
layered
oxides
have
become
most
promising
cathode
material
for
alkali
metal‐ion
batteries
(Li
+
/Na
/K
;
AMIBs)
owing
to
their
facile
synthesis
and
excellent
theoretical
capacities.
However,
inherent
drawbacks
of
unstable
structural
evolution
sluggish
diffusion
kinetics
deteriorate
performance,
limiting
further
large‐scale
applications.
To
solve
these
issues,
novel
strategy
high
entropy
has
been
widely
applied
oxide
cathodes
AMIBs
recent
years.
Through
multielement
synergy
stabilization
effects,
high‐entropy
(HELOs)
can
achieve
adjustable
activity
enhanced
stability.
Herein,
basic
concepts,
design
principles,
methods
HELO
are
introduced
systematically.
Notably,
it
explores
detail
improvements
on
limitations
oxides,
highlighting
latest
advances
materials
field
AMIBs.
In
addition,
introduces
advanced
characterization
calculations
HELOs
proposes
potential
future
research
directions
optimization
strategies,
providing
inspiration
researchers
develop
areas
energy
storage
conversion.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(25)
Published: April 22, 2024
Abstract
High‐entropy
oxides
(HEOs)
have
garnered
significant
attention
within
the
realm
of
rechargeable
batteries
owing
to
their
distinctive
advantages,
which
encompass
diverse
structural
attributes,
customizable
compositions,
entropy‐driven
stabilization
effects,
and
remarkable
superionic
conductivity.
Despite
brilliance
HEOs
in
energy
conversion
storage
applications,
there
is
still
lacking
a
comprehensive
review
for
both
entry‐level
experienced
researchers,
succinctly
encapsulates
present
status
challenges
inherent
HEOs,
spanning
features,
intrinsic
properties,
prevalent
synthetic
methodologies,
diversified
applications
batteries.
Within
this
review,
endeavor
distill
characteristics,
ionic
conductivity,
entropy
explore
practical
(lithium‐ion,
sodium‐ion,
lithium‐sulfur
batteries),
including
anode
cathode
materials,
electrolytes,
electrocatalysts.
The
seeks
furnish
an
overview
evolving
landscape
HEOs‐based
cell
component
shedding
light
on
progress
made
hurdles
encountered,
as
well
serving
guidance
compositions
design
optimization
strategy
enhance
reversible
stability,
electrical
electrochemical
performance
conversion.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Sept. 26, 2024
Abstract
The
synthesis
of
carbon
supporter/nanoscale
high-entropy
alloys
(HEAs)
electromagnetic
response
composites
by
carbothermal
shock
method
has
been
identified
as
an
advanced
strategy
for
the
collaborative
competition
engineering
conductive/dielectric
genes.
Electron
migration
modes
within
HEAs
manipulated
electronegativity,
valence
electron
configurations
and
molar
proportions
constituent
elements
determine
steady
state
efficiency
equivalent
dipoles.
Herein,
enlightened
skin-like
effect,
a
reformative
using
carbonized
cellulose
paper
(CCP)
supporter
is
used
to
preserve
oxygen-containing
functional
groups
(O·)
fibers
(CCF).
Nucleation
construction
emblematic
shell-core
CCF/HEAs
heterointerfaces
are
inextricably
linked
metabolism
induced
O·.
Meanwhile,
mode
switchable
electron-rich
sites
promotes
orientation
polarization
anisotropic
By
virtue
reinforcement
strategy,
CCP/HEAs
composite
prepared
35%
ratio
Mn
element
(CCP/HEAs-Mn
2.15
)
achieves
efficient
wave
(EMW)
absorption
−
51.35
dB
at
ultra-thin
thickness
1.03
mm.
mechanisms
resulting
dielectric
properties
HEAs-based
EMW
absorbing
materials
elucidated
combining
theoretical
calculations
with
experimental
characterizations,
which
provide
bases
feasible
strategies
simulation
practical
application
devices
(e.g.,
ultra-wideband
bandpass
filter).
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
An
overview
of
high-entropy
strategies
for
batteries
is
provided,
emphasizing
their
unique
structural/compositional
attributes
and
positive
effects
on
stability
performance,
alongside
a
discussion
key
challenges
future
research
directions.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 23, 2024
Abstract
High‐entropy
oxides
(HEOs)
composed
of
multiple
metal
elements
have
attracted
great
attention
as
anode
materials
for
lithium‐ion
batteries
(LIBs)
due
to
the
synergistic
effects
various
species.
However,
practical
applications
HEOs
are
still
plagued
by
poor
conductivity,
unstable
solid
electrolyte
interphase
(SEI)
and
cycling
stability.
Herein,
nanosized
(FeCoNiCrMn)
3
O
4
HEO
(NHEO)
is
prepared
successfully
NaCl‐assisted
mechanical
ball‐milling
strategy.
Novelly,
polyacrylonitrile
(PAN)
used
binder
then
in
situ
thermochemically
cyclized
construct
a
PAN
(cPAN)
outer
layer
onto
NHEO
(NHEO‐cPAN).
The
formed
cPAN
coating
not
only
improves
electrical
but
also
reinforces
structural
interfacial
stability,
thereby,
resulted
NHEO‐cPAN
electrode
exhibits
significantly
enhanced
rate
cyclic
performance.
Specifically,
NHEO‐PAN500
delivers
high
reversible
capacity
560
mAh
g
−1
at
5
A
high‐capacity
retention
83%
over
800
cycles
.
Furthermore,
evolution
electrochemical
behavior
NHEO‐PAN
during
discharge/charge
systematically
investigated
operando
X‐ray
diffraction,
impedance
spectroscopy
ex
high‐resolution
transmission
electron
microscopy.
Therefore,
this
work
provides
new
insights
into
engineering
high‐performance
materials,
potentially
enlightening
HEO‐based
LIBs.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 31, 2024
Abstract
Developing
high‐rate
electrode
materials
is
a
critical
enabler
of
fast‐charging
Na‐ion
battery
(NIB).
Prussian
blue
analog
(PBA)
with
rapid
charge
transfer
channels
has
shown
significant
potential
as
NIB
cathodes;
however,
the
capability
reported
PBA‐based
anodes
remains
limited.
This
challenge
primarily
stems
from
complete
transformation
their
original
crystal
structures
during
synthesis
processes,
resulting
in
loss
inherent
channels.
Herein,
Ni‐Fe
based
PBA
(Ni
3
[Fe(CN)
6
]
2
)
representative
structure
presented
prototype
to
investigate
its
anode,
and
structural
modification
strategies
are
implemented
unlock
storage.
First,
conversion
reaction
mechanism
demonstrated
Ni
sodiation,
theoretical
specific
capacity
357.2
mAh
g
−1
.
However,
reversible
capacities
after
long‐term
cycling
at
high
rates
low.
To
address
these
issues,
optimization
including
S
incorporation,
configurational
entropy
modulation,
coordination
environment
regulation
utilized.
Consequently,
(≈40
s
per
245.0
input)
excellent
capabilities
realized.
study
demonstrates
feasibility
anodes,
promotes
further
investigation
into
aimed
developing
other
electrodes.
