Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Feb. 28, 2024
Abstract
Nowadays,
many
researchers
aim
to
fill
polymer
materials
with
inorganic
nanoparticles
enhance
the
properties
and
gain
merits
of
polymeric
host
matrix.
Sol–gel
synthesized
Co
3
O
4
are
subjected
different
doses
electron
beam
(10,
20,
30
kGy)
study
their
physiochemical
choose
optimized
our
Crosslinked
polyethylene
(XLPE)
has
been
filled
5
wt
%
un-irradiated
cobalt
oxide
using
melt
extruder
method.
The
structural,
optical,
magnetic,
electrical
XLPE/Co
nanocomposite
before
after
exposure
radiation
have
characterized.
crystallite
size
face-centered
cubic
spinel
confirmed
by
XRD
whereas
unique
truncated
octahedral
shape
obviously
appears
in
SEM
micrographs.
decreased
from
47.5
31.5
nm
upon
irradiation
at
a
dose
kGy,
significantly
18.5
filling
inside
XLPE
Related
oxidation
effect
beam,
2+
/Co
3+
ratio
on
surface
as
verified
XPS
technique.
This
consequently
caused
partial
elimination
oxygen
vacancies,
mainly
responsible
for
weak
ferromagnetic
behavior
its
nanoscale.
saturation
magnetization
depicted
VSM.
also
shown
but
coercive
field
(H
c
)
increased
112.57
175.72
G
matrix
135.18
irradiating
kGy.
ionic
conductivity
0.133
×
10
–7
2.198
–3
S/cm
while
slight
increase
is
observed
irradiation.
Chemical Science,
Journal Year:
2023,
Volume and Issue:
14(45), P. 12850 - 12868
Published: Jan. 1, 2023
This
review
summarizes
the
synthesis
methods,
characterization
research
progress
and
regulation
strategies
of
HAEs
in
field
electrocatalytic
HER,
HOR,
OER,
ORR,
CO
2
RR,
NRR
AOR,
providing
deep
understanding
for
future
applications.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
A
comprehensive
summary
of
the
stability
electrocatalytic
OER
will
provide
insight
into
electrocatalyst
design
and
device
optimization
for
industrial
applications.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(25)
Published: March 10, 2023
Abstract
Oxygen
evolution
reaction
(OER)
is
the
anodic
half‐reaction
for
crucial
energy
devices,
such
as
water
electrolysis,
metal–air
battery,
and
electrochemical
CO
2
reduction.
Fe‐based
materials
are
recognized
one
of
most
promising
electrocatalysts
OER
because
its
extremely
low
price
high
activity.
In
particular,
iron
oxyhydroxide
(FeOOH)
not
only
highly
active
toward
OER,
but
also
widely
accepted
true
species
plenty
converted
into
FeOOH
during
test.
Herein,
recent
advances
FeOOH‐based
nano‐structure
application
in
reviewed.
The
relationship
between
structure
catalytic
performance,
followed
by
introduction
current
strategies
enhancing
activity
(i.e.,
crystalline
phase
engineering,
element
doping,
construction
hybrid
materials)
mainly
focused.
Finally,
a
summary
perspective
about
remaining
challenges
future
opportunities
this
area
further
design
provided.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(29)
Published: April 29, 2024
Abstract
The
development
of
high‐performance
electrocatalysts
for
energy
conversion
reactions
is
crucial
advancing
global
sustainability.
design
catalysts
based
on
their
electronic
properties
(e.g.,
work
function)
has
gained
significant
attention
recently.
Although
numerous
reviews
electrocatalysis
have
been
provided,
no
such
reports
function‐guided
electrocatalyst
are
available.
Herein,
a
comprehensive
summary
the
latest
advancements
in
diverse
electrochemical
applications
provided.
This
includes
function‐based
catalytic
activity
descriptors,
and
both
monolithic
heterostructural
catalysts.
measurement
function
first
discussed
descriptors
various
fully
analyzed.
Subsequently,
function‐regulated
material‐electrolyte
interfacial
electron
transfer
(IET)
employed
catalyst
design,
methods
regulating
optimizing
performance
discussed.
In
addition,
key
strategies
tuning
function‐governed
material‐material
IET
examined.
Finally,
perspectives
determination,
put
forward
to
guide
future
research.
paves
way
rational
efficient
sustainable
applications.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(15), P. 8796 - 8804
Published: Jan. 1, 2024
The
development
of
non-precious
metal
electrocatalysts
for
acidic
oxygen
evolution
reaction
(OER)
that
are
highly
durable,
cost-effective,
and
efficient
is
crucial
to
advancing
the
use
proton
exchange
membrane
water
electrolyzers
(PEMWEs).
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(33)
Published: June 12, 2024
Abstract
Earth‐abundant
metal
oxides
are
usually
considered
as
stable
but
catalytically
inert
toward
hydrogen
evolution
reaction
(HER)
due
to
their
unfavorable
intermediate
adsorption
performance.
Herein,
a
heavy
rare
earth
(Y)
and
transition
(Co)
dual‐doping
induced
lattice
strain
oxygen
vacancy
stabilization
strategy
is
proposed
boost
CeO
2
robust
alkaline
HER.
The
compression
increased
(O
v
)
concentration
in
synergistically
improve
the
water
dissociation
on
O
sites
sequential
at
activated
‐neighboring
sites,
leading
significantly
enhanced
HER
kinetics.
Meanwhile,
Y
doping
offers
effect
by
its
stronger
Y─O
bonding
over
Ce─O,
which
endows
catalyst
with
excellent
stability.
Y,Co‐CeO
electrocatalyst
exhibits
an
ultra‐low
overpotential
(27
mV
10
mA
cm
−2
Tafel
slope
(48
dec
−1
),
outperforming
benchmark
Pt
electrocatalyst.
Moreover,
anion
exchange
membrane
electrolyzer
incorporated
achieves
stability
of
500
h
under
600
.
This
synergistic
sheds
new
light
rational
development
efficient
oxide‐based
electrocatalysts.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(22)
Published: Feb. 4, 2024
Abstract
Seawater
electrolysis
is
a
sustainable
technology
for
producing
hydrogen
that
would
neither
cause
global
freshwater
shortages
nor
create
carbon
emissions.
However,
this
severely
hampered
by
the
insufficient
stability
and
competition
from
chlorine
evolution
reaction
(ClER)
in
actual
application.
Herein,
metal–organic
framework
(MOF)‐on‐MOF
heterojunction
(Ni‐BDC/NH
2
‐MIL‐88B(Fe))
denoted
as
(Ni‐BDC/NM88B(Fe))
synthesized
an
effective
oxygen
(OER)
electrocatalyst
high‐performance
seawater
electrolysis,
which
exhibits
long
of
200
h
low
overpotentials
232
299
mV
at
100
mA
cm
−2
alkaline
solution,
respectively.
The
exceptional
performance
attributed
to
rapid
self‐reconstruction
Ni‐BDC/NM88B(Fe)
produce
NiFeOOH
protective
layer,
thereby
avoiding
ClER‐induced
dissolution.
Moreover,
interface
interaction
between
Ni‐BDC
NM88B(Fe)
could
form
Ni─O─Fe
bonds
promote
electron
transfer
lower
energy
barrier
rate‐determining
step,
accelerating
OER.
These
electrochemical
properties
make
it
intriguing
candidate
efficient
practical
electrolysis.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: Oct. 16, 2024
Developing
advanced
stealth
devices
to
cope
with
radar-infrared
(IR)
fusion
detection
and
diverse
application
scenarios
is
increasingly
demanded,
which
faces
significant
challenges
due
conflicting
microwave
IR
cloaking
mechanisms
functional
integration
limitations.
Here,
we
propose
a
multiscale
hierarchical
structure
design,
integrating
wrinkled
MXene
shielding
layer
flexible
Fe
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 9, 2024
Abstract
Two
colossal
global
challenges
remain
energy
scarcity
and
environmental
pollution,
having
evolved
into
problems
that
human
society
cannot
ignore.
Therefore,
developing
a
material
with
efficient
electromagnetic
(EM)
interference
shielding
electrocatalytic
properties
has
become
imperative
in
promoting
sustainable
development
establishing
protection
systems.
Herein,
heterodimensional
structure
is
prepared
by
assembling
3D
spirally
grown
VS
2
2D
FeCo‐LDH,
which
precisely
manipulates
macroscopic
EM
electrochemical
characteristics
through
defect
interface
engineering.
The
results
show
the
presents
an
effectiveness
of
30.2
dB
at
18
GHz.
Heterodimensional
exhibits
low
overpotential
279
mV,
achieving
current
density
10
mA
cm
−2
desirable
stability.
In
addition,
based
on
unique
response
material,
special
protective
helmet
innovated.
incorporating
autonomous
oxygen
supply,
advanced
pressure
surveillance,
dynamic
stealth
supports
more
exhaustive
safeguard
for
missions
amidst
noxious
gases,
situations
necessitating
clandestine
operations.
This
research
provides
new
idea
multifunctional
active
materials,
showing
great
application
prospects
fields
aerospace
engineering,
energy,
security
protection.