Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 11, 2024
Abstract
Electrolyte
additives
(EAs)
are
cost‐effective
for
stabilization
of
lithium
metal
batteries
(LMBs).
Nevertheless,
most
EAs
gradually
consumed
during
the
deposition
process,
rendering
them
inadequate
long‐term
cyclability.
Herein,
a
novel
hybrid
metal–organic
framework
(MOF)‐based
non‐expendable
additive
is
prepared
through
polymerization
pentaerythritol
tetraacrylate
(PETEA)
on
zeolitic
imidazolate
(ZIF‐67).
Owing
to
partial
coating
by
PETEA‐based
polymer,
exposed
unsaturated
sites
ZIF‐67
still
attenuate
interaction
between
ions
(Li
+
)
and
anions,
enabling
rapid
electrochemical
kinetics
uniform
Li
deposition.
Concurrently,
polymerized
PETEA
partially
enters
solvation
sheath
expels
some
organic
solvents
Van
der
Waals
interactions,
which
promotes
derivation
an
inorganic‐rich
SEI
inhibits
dendrite
formation.
Accordingly,
this
additive‐contained
Li||Li
symmetric
cell
exhibits
stability
over
1200
h
with
small
overpotential
75
mV.
Additionally,
assembled
Li||LiFePO
4
full
cells
negative/positive
ratio
1.76
delivers
stable
cyclability
400
cycles
at
0.5
C.
Moreover,
Li||LiNi
0.8
Mn
0.1
Co
O
2
high‐voltage
displays
impressive
capacity
retention
80%
311
This
study
provides
valuable
guidance
design
multifunctional
advancing
high‐performance
LMBs.
Nanomaterials,
Journal Year:
2025,
Volume and Issue:
15(2), P. 128 - 128
Published: Jan. 16, 2025
Zeolitic
imidazolate
framework-8
(ZIF-8)
has
been
extensively
studied
as
a
precursor
for
nitrogen-doped
carbon
(NC)
materials
due
to
its
high
surface
area,
tunable
porosity,
and
adjustable
nitrogen
content.
However,
the
intrinsic
microporous
structure
of
ZIF-8
limits
mass
transport
accessibility
reactants
active
sites,
reducing
effectiveness
in
electrochemical
applications.
In
this
study,
soft
templating
approach
using
triblock
copolymer
was
used
prepare
mesoporous
ZIF-8-derived
NC
(Meso-ZIF-NC)
samples.
The
hierarchical
porous
investigated
by
varying
ratios
Pluronic
F-127,
NaClO4,
toluene.
resulting
Meso-ZIF-NC
exhibited
widespread
pore
size
distribution
with
an
enhanced
mesopore
(2–50
nm)
volume
according
composition
reaction
mixtures.
Pt
nanoparticles
were
uniformly
dispersed
on
form
Pt/Meso-ZIF-NC
catalysts,
which
presented
area
improved
oxygen
reduction
activity.
study
highlights
important
role
doping
enhancing
catalytic
performance,
providing
pathway
advanced
fuel
cell
catalyst
design.
Chemical Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Bi@TAC
was
synthesized
successfully
by
using
a
tannic-acid-coated
Bi
2
O
3
precursor.
Benefitting
from
the
synergistic
effect
of
nanodiscs
and
carbon
matrix,
delivered
an
impressive
long-term
cycling
performance.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 1, 2025
Abstract
To
overcome
the
limitations
of
commercializing
lithium‐ion
batteries
(LIBs),
a
one‐step
feasible
route
is
reported
to
prepare
hybrid
matrix
molybdenum
oxides
(MoO
3‐x
,
x
=
0
and
1)
thin
film
anode.
In
this
direction,
electrical
conductivity
barriers
MoO
3
dielectric
are
by
reinforcing
conductive
2
via
chemical
vapor
deposition
(CVD)
route.
The
intermixed
array
nanograins
nanoflakes
grown
over
stainless‐steel
(SS)
foil
delivers
maximum
gravimetric
capacitance
281
F
g
−1
specific
capacity
348
mAh
at
1
A
.
synergistic
integration
metal
facilitates
multiple
valencies,
interfacial
structural
stability,
abundant
ion
transport
channels
achieve
wider
voltage
window
3.50
V.
Subsequently,
prepared
Li||MoO
‐MoO
@SS
configuration
possesses
electric
double‐layer
pseudocapacitive
energy
storage
leading
remarkable
77.78
Wh
kg
excellent
power
13.75
kW
high‐rate
tests
for
continuous
1200
charge–discharge
cycles
disclose
retention
≈88%
≈100%
Coulombic
efficiency
on
2‐fold
enlargement
current
density.
longer
lifespan
higher
rate
nanohybrid
anode
owing
reversible
lithiation/delithiation
further
recommend
its
candidacy
in
developing
LIBs
next‐generation
portable
electronics.
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 17, 2025
High-performance
and
low-cost
cathode
materials
originating
from
renewable
resources
are
crucial
factors
in
the
practical
application
of
Zn-ion
batteries
(ZIBs).
In
this
work,
a
peanut
shell
carbon
(PSC)
microsheet
was
prepared
agricultural
waste
by
high-temperature
carbonization
method.
Then,
MnO2
nanoparticles
were
situ
grown
on
PSC
microsheets
simple
hydrothermal
method
to
obtain
PSC@MnO2
composite
material.
The
unique
micro-nano
structure
plays
vital
role
synergistic
effect
between
excellent
electrical
conductivity
matrix
high
specific
capacity
nanoparticles,
which
facilitates
electron/ion
transport
entire
electrode
enables
have
electrochemical
properties.
can
achieve
reversible
645.5
mA
h
g-1
at
current
density
50
g-1,
is
still
maintain
329.4
100
after
400
cycles,
much
higher
than
material
(2
g-1)
commercial
MnO2(MnO2)
(112
g-1).
Remarkably,
remained
128.3
3000
cycles
500
retention
87.1%.
This
work
opens
up
possibilities
for
biomass
composites
promotes
low-cost,
renewable,
green
eco-friendly,
high-performance
aqueous
rechargeable
ZIBs.
