ACS Nano,
Год журнала:
2023,
Номер
18(1), С. 337 - 346
Опубликована: Дек. 19, 2023
Layered
oxides
are
widely
accepted
to
be
promising
cathode
candidate
materials
for
K-ion
batteries
(KIBs)
in
terms
of
their
rich
raw
and
low
price,
while
further
applications
restricted
by
sluggish
kinetics
poor
structural
stability.
Here,
the
high-entropy
design
concept
is
introduced
into
layered
KIB
cathodes
address
above
issues,
an
example
K0.45Mn0.60Ni0.075Fe0.075Co0.075Ti0.10Cu0.05Mg0.025O2
(HE-KMO)
successfully
prepared.
Benefiting
from
oxide
with
multielement
doping,
developed
HE-KMO
exhibits
half-metallic
features
a
narrow
bandgap
0.19
eV.
Increased
entropy
can
also
reduce
surface
energy
{010}
active
facets,
resulting
about
2.6
times
more
exposure
facets
than
low-entropy
K0.45MnO2
(KMO).
Both
effectively
improve
electron
conduction
K+
diffusion.
Furthermore,
high
inhibit
space
charge
ordering
during
(de)insertion,
transition
metal–oxygen
covalent
interaction
enhanced,
leading
suppressed
phase
1.5–4.2
V
better
electrochemical
stability
(average
capacity
drop
0.20%,
200
cycles)
KMO
0.41%,
wide
voltage
window.
Advanced Materials,
Год журнала:
2023,
Номер
36(17)
Опубликована: Июнь 9, 2023
Natural
nitrogen
cycle
has
been
severely
disrupted
by
anthropogenic
activities.
The
overuse
of
N-containing
fertilizers
induces
the
increase
nitrate
level
in
surface
and
ground
waters,
substantial
emission
oxides
causes
heavy
air
pollution.
Nitrogen
gas,
as
main
component
air,
used
for
mass
ammonia
production
over
a
century,
providing
enough
nutrition
agriculture
to
support
world
population
increase.
In
last
decade,
researchers
have
made
great
efforts
develop
processes
under
ambient
conditions
combat
intensive
energy
consumption
high
carbon
associated
with
Haber-Bosch
process.
Among
different
techniques,
electrochemical
reduction
reaction
(NO
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(23), С. 8319 - 8373
Опубликована: Янв. 1, 2023
In
this
review,
we
provide
a
comprehensive
summary
of
recent
advances
in
the
synthesis
strategies,
design
principles,
and
characterization
technologies
high
entropy
alloys,
their
applications
various
electrocatalytic
conversion
reactions.
Green Energy & Environment,
Год журнала:
2023,
Номер
8(5), С. 1341 - 1357
Опубликована: Май 6, 2023
High-entropy
oxides
(HEOs)
are
gaining
prominence
in
the
field
of
electrochemistry
due
to
their
distinctive
structural
characteristics,
which
give
rise
advanced
stable
and
modifiable
functional
properties.
This
review
presents
fundamental
preparations,
incidental
characterizations,
typical
structures
HEOs.
The
prospective
applications
HEOs
various
electrochemical
aspects
electrocatalysis
energy
conversion-storage
also
summarized,
including
recent
developments
general
trend
HEO
structure
design
catalysis
containing
oxygen
evolution
reaction
(OER)
reduction
(ORR),
supercapacitors
(SC),
lithium-ion
batteries
(LIBs),
solid
oxide
fuel
cells
(SOFCs),
so
forth.
Moreover,
this
notes
some
apparent
challenges
multiple
opportunities
for
use
wide
further
guide
development
practical
applications.
influence
entropy
is
significant,
high-entropy
expected
drive
improvement
science
technology
near
future.
ACS Catalysis,
Год журнала:
2023,
Номер
13(13), С. 8902 - 8924
Опубликована: Июнь 21, 2023
Selective
hydrogenation
reactions
provide
a
pivotal
and
promising
strategy
for
upgrading
substances
with
unsaturated
functional
groups,
in
which
supported
non-noble
metal
catalysts
play
crucial
role
determining
catalytic
performance
toward
desirable
products.
By
means
of
precipitation
method,
hydrothermal
solvothermal
methods,
sol–gel
synthesis
as
well
ion
exchange
various
kinds
high
efficiency
have
been
reasonably
designed
developed.
The
detailed
investigations
by
virtue
comprehensive
studies
demonstrated
that
addition
to
the
inherent
properties
elements,
nanosized
effect,
metal-alloy
metal–support
interaction
impose
significant
influences
on
resulting
behavior.
Moreover,
we
discuss
applications
heterogeneous
focus
aldehydes/ketones,
alkynes
alkadienes,
functionalized
nitroaromatic
hydrocarbons.
In
this
review,
basis
achievements
representative
investigations,
suggestions
prospects
further
progresses
development
selective
put
forward.
Abstract
Nanozymes
have
emerged
as
a
promising
alternative
to
natural
enzymes,
effectively
addressing
enzymes'
inherent
limitation.
Versatility
and
potential
applications
of
nanozyme
span
across
various
fields,
with
catalytic
tumor
therapy
being
one
prominent
area.
This
has
sparked
significant
interest
exploration
in
the
utilization
nanozymes
for
targeted
cancer
treatment.
Recent
advancements
interdisciplinary
research,
nanotechnology,
biotechnology,
technology
led
emergence
multi‐metallic‐based
nanozymes,
which
exhibit
tremendous
further
development.
review
focuses
on
investigating
synergistic
effects
aiming
enhance
our
understanding
their
activities
facilitate
broader
applications.
We
comprehensively
survey
remarkable
achievements
synthesis,
mechanisms,
latest
therapy.
Furthermore,
we
identify
current
limitations
prospects
development
new
materials
application
novel
technologies,
along
challenges
associated
underscores
significance
emphasizes
need
continued
well
impact
realization
breakthroughs
Chemical Science,
Год журнала:
2023,
Номер
14(4), С. 771 - 790
Опубликована: Янв. 1, 2023
High-entropy
materials
(HEMs)
are
new-fashioned
functional
in
the
field
of
catalysis
owing
to
their
large
designing
space,
tunable
electronic
structure,
interesting
"cocktail
effect",
and
entropy
stabilization
effect.
Many
effective
strategies
have
been
developed
design
advanced
catalysts
for
various
important
reactions.
Herein,
we
firstly
review
so
far
optimizing
HEM-based
underlying
mechanism
revealed
by
both
theoretical
simulations
experimental
aspects.
In
light
this
overview,
subsequently
present
some
perspectives
about
development
provide
serviceable
guidelines
and/or
inspiration
further
studying
multicomponent
catalysts.
High‐entropy
alloys
refer
to
near‐equimolar
of
five
or
more
elements
and
are
receiving
attention
due
their
unique
physical
chemical
properties.
In
electrocatalysis,
they
serve
as
active
sites
in
multiple
elements,
favoring
the
optimized
adsorption/desorption
property
toward
target
reaction.
nanomaterials
(HENMs)
attractive
candidates
electrocatalysts
by
taking
advantage
a
high
surface‐to‐volume
ratio
tailored
composition.
This
review
begins
with
concept
high‐entropy
materials
various
strategies
for
designing
electrocatalysts.
Then,
recent
advances
HENMs
applications
(water‐splitting
reaction,
carbon
dioxide
reduction
alcohol
oxidation
etc.)
introduced
catalytic
performances.
Finally,
based
on
current
status
challenging
aspects
future
insight
advanced
electrocatalysis
discussed
proposed.
Communications Materials,
Год журнала:
2023,
Номер
4(1)
Опубликована: Фев. 21, 2023
Abstract
Multiple
principal
element
or
high-entropy
materials
have
recently
been
studied
in
the
two-dimensional
(2D)
phase
space.
These
promising
classes
of
combine
unique
behavior
solid-solution
and
entropy-stabilized
systems
with
high
aspect
ratios
atomically
thin
characteristics
2D
materials.
The
current
experimental
space
these
includes
transition
metal
oxides,
carbides/carbonitrides/nitrides
(MXenes),
dichalcogenides,
hydrotalcites.
However,
potential
to
expand
into
other
types,
such
as
metal-organic
frameworks,
carbo-chalcogenides,
borides
(MBenes).
Here,
we
discuss
entropy
stabilization
from
bulk
systems,
effects
disordered
multi-valent
elements
on
lattice
distortion
local
electronic
structures
elucidate
how
changes
influence
catalytic
electrochemical
We
also
provide
a
perspective
research
its
challenges
importance
this
emerging
field
nanomaterials
designing
tunable
compositions
for
energy,
catalytic,
electronic,
structural
applications.
