A
functional
separator
is
developed
by
in-situ
grafting
nickel
tetraaminophthalocyanine
(NiTAPc)
onto
the
surface
of
polypropylene
(PP).
It
applied
to
inhibit
shuttle
effect
polysulfides
(PSs)
in
lithium-sulfur(Li-S)
batteries.
The
characterization
results
showed
that
NiTAPc
highly
dispersed
and
uniformly
grafted
PP
separator.
In-situ
strategy
effectively
mitigates
self-agglomeration
issue
associated
with
enhances
exposure
catalytically
active
Ni-N
Dalton Transactions,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
The
LLTO/C
cell
demonstrated
a
high
capacity
of
905.9
mA
h
g
−1
with
decay
rate
0.069%
per
cycle
over
1000
cycles
at
current
density
5C
sulfur
loading
1
mg
cm
−2
.
Abstract
Enlarging
the
interlayer
structure
of
MXenes
has
been
proven
to
be
an
effective
strategy
for
enhancing
speed
and
efficiency
ion
transport
in
assembled
MXene‐based
battery
electrodes.
However,
expanded
space
will
inevitably
lead
decreased
conductivity
because
insufficient
internal
contact
between
isolated
monolayered
MXenes.
Herein,
“rapid
electron/ion
bi‐continuous‐transport
channels”
are
achieved
by
vertically
growing
N‐doped
carbon
nanotubes
(NCNTs)
into
interlamination
bridge
multilayered
Importantly,
both
experimental
theoretical
analyses
demonstrate
co‐catalytic
effect
Ni
on
growth
NCNTs,
a
phenomenon
that
not
reported
previously.
The
grown
serving
as
bridging
pillars
interlamination,
only
significantly
augment
but
also
forge
robust
interconnection
among
Therefore,
this
design
simultaneously
realizes
enlargement
facilitate
electrolyte
infiltration
fast
enhances
rapid
electron
through
NCNTs
pillars.
As
result,
as‐derived
Ti
3
C
2
@NCNTs
hybrids
show
high
reversible
capacity
610
mAh
g
−1
Li
+
storage
158
Na
storage.
This
work
provides
universal
approach
regulating
properties
Materials,
Год журнала:
2024,
Номер
17(23), С. 5882 - 5882
Опубликована: Ноя. 30, 2024
Nowadays,
metallic
materials
are
subject
to
increasingly
high
performance
requirements,
particularly
in
the
context
of
energy
efficiency
and
environmental
sustainability,
etc.
Researchers
typically
target
properties
such
as
enhanced
strength,
hardness,
reduced
weight,
well
superior
physical
chemical
characteristics,
including
electrochemical
activity
catalytic
efficiency.
The
structure
metal
melts
is
essential
for
design
synthesis
advanced
materials.
Studies
using
high-temperature
liquid
X-ray
diffraction
(HTXRD)
have
established
a
broad
consensus
that
short
medium
range
ordering
exists
within
melts.
However,
conditions
during
experiments
obscure
fundamental
leading
ongoing
discussions.
Developing
simplified
models
typical
approach
deal
with
complex
systems,
facilitating
clearer
more
direct
understanding
underlying
images.
Here,
different
will
be
reviewed,
starting
transient
models,
then
following
thermodynamic
statistical
model.
image
applications
carefully
discussed.
A
functional
separator
is
developed
by
in-situ
grafting
nickel
tetraaminophthalocyanine
(NiTAPc)
onto
the
surface
of
polypropylene
(PP).
It
applied
to
inhibit
shuttle
effect
polysulfides
(PSs)
in
lithium-sulfur(Li-S)
batteries.
The
characterization
results
showed
that
NiTAPc
highly
dispersed
and
uniformly
grafted
PP
separator.
In-situ
strategy
effectively
mitigates
self-agglomeration
issue
associated
with
enhances
exposure
catalytically
active
Ni-N
