ACS Energy Letters,
Год журнала:
2022,
Номер
8(1), С. 116 - 150
Опубликована: Ноя. 22, 2022
A
high
sulfur
loading
is
an
essential
prerequisite
for
the
practical
application
of
lithium–sulfur
batteries.
However,
it
will
inevitably
exacerbate
shuttling
effect
and
slow
down
polysulfide
conversion
kinetics.
To
obtain
desirable
electrochemical
performance
at
a
level
loading,
adsorption
catalysis
dual
strategies
are
widely
reported
to
solve
severe
sluggish
reaction
kinetics
issues.
This
review
mainly
summarizes
research
on
batteries
with
(>5
mg
cm–2)
based
adsorption–catalysis
promotion
strategies.
Specifically,
we
principle
technical
challenges
recent
advancements
in
electrode
materials
design,
as
well
potential
approaches
suggestions
constructing
next-generation
loading.
provide
guidance
energy
density
power
under
offer
better
reference
researchers
choose
adsorbents
catalysts.
Advanced Functional Materials,
Год журнала:
2021,
Номер
32(4)
Опубликована: Окт. 10, 2021
Abstract
Asymmetric
supercapacitors
(ASCs)
can
substantially
broaden
their
working
voltage
range,
benefiting
from
the
advantages
of
both
cathode
and
anode
while
breaking
through
energy
storage
limitations
corresponding
symmetric
cells.
Wide
aqueous
ASCs
hold
great
promise
for
future
electronic
systems
that
require
satisfied
density,
power
cycle
life,
due
to
electrolyte
in
terms
low
cost,
operational
safety,
facile
manufacture,
environment‐friendly,
high
ionic
conductivity.
This
review
will
first
briefly
present
an
overview
historical
developments,
charge
mechanisms,
matching
principles
wide
ASCs.
Then,
materials
with
potential
windows
building
over
last
few
decades
are
summarized.
The
next
section
details
optimization
methods
related
In
addition,
basic
device
configurations
classified
discussed.
Furthermore,
several
strategies
proposed
achieving
high‐performance
window,
specific
capacitance,
rate
performance,
electrochemical
stability.
Finally,
motivate
further
research
development,
key
scientific
challenges
perspectives
Chemical Society Reviews,
Год журнала:
2021,
Номер
50(20), С. 11381 - 11485
Опубликована: Янв. 1, 2021
To
date,
nanotechnology
has
increasingly
been
identified
as
a
promising
and
efficient
means
to
address
number
of
challenges
associated
with
public
health.
In
the
past
decade,
two-dimensional
(2D)
biomaterials,
unique
nanoplatform
planar
topology,
have
attracted
explosive
interest
in
various
fields
such
biomedicine
due
their
morphology,
physicochemical
properties
biological
effect.
Motivated
by
progress
graphene
biomedicine,
dozens
types
ultrathin
2D
biomaterials
found
versatile
bio-applications,
including
biosensing,
biomedical
imaging,
delivery
therapeutic
agents,
cancer
theranostics,
tissue
engineering,
well
others.
The
effective
utilization
stems
from
in-depth
knowledge
structure-property-bioactivity-biosafety-application-performance
relationships.
A
comprehensive
summary
for
is
still
lacking.
this
review,
we
aim
concentrate
on
state-of-the-art
particular
focus
applications.
particular,
discuss
design,
fabrication
functionalization
used
diverse
applications
based
up-to-date
progress.
Furthermore,
interactions
between
systems
spatial-temporal
scale
are
highlighted,
which
will
deepen
understanding
underlying
action
mechanism
aiding
design
improved
functionalities.
Finally,
taking
bench-to-bedside
focus,
conclude
review
proposing
current
crucial
issues/challenges
presenting
future
development
directions
advance
clinical
translation
these
emerging
biomaterials.
ACS Nano,
Год журнала:
2022,
Номер
16(9), С. 15042 - 15052
Опубликована: Авг. 19, 2022
Developing
high-performance
and
functional
hydrogels
that
mimic
biological
materials
in
nature
is
promising
yet
remains
highly
challenging.
Through
a
facile,
scalable
unidirectional
freezing
followed
by
salting-out
approach,
type
of
composed
"trashed"
MXene
sediment
(MS)
biomimetic
pores
manufactured.
By
integrating
the
honeycomb-like
ordered
porous
structure,
conductive
MS,
water,
electromagnetic
interference
(EMI)
shielding
effectiveness
up
to
90
dB
X
band
can
reach
more
than
40
ultrabroadband
gigahertz
(8.2–40
GHz)
for
flexible
hydrogel,
outperforming
previously
reported
EMI
shields.
Moreover,
thanks
stable
framework
MS-based
influences
water
on
performance
are
quantitatively
identified.
Furthermore,
extremely
low
content
silver
nanowire
embedded
into
hydrogels,
leading
significantly
improved
multiple
reflection-induced
microwave
loss
thus
performance.
Last,
allow
sensitive
reliable
detection
human
motions
smart
coding.
This
work
not
only
achieves
control
via
interior
structure
but
also
demonstrates
waste-free,
low-cost,
strategy
prepare
multifunctional,
hydrogels.
Advanced Functional Materials,
Год журнала:
2022,
Номер
33(11)
Опубликована: Дек. 30, 2022
Abstract
Transition
metal
carbides/nitrides
(MXenes)
with
metallic
electrical
conductivity
and
excellent
processability
attract
increasing
attention
for
assembling
multifunctional
macrostructures.
However,
the
challenges,
involving
poor
mechanical
strength,
inferior
oxidation
stability,
limited
scalable
manufacturing,
impede
their
wide
applications.
Herein,
large‐area,
high‐strength,
ultra‐flexible
hybrid
films
are
developed
through
multiple
physical
chemical
cross‐linking
of
MXene/cellulose
facilitated
by
graphene
oxide.
The
MXene‐based
manifest
significantly
improved
hydrophobicity,
water/solvent
resistance,
meanwhile,
maintain
electromagnetic
interference
shielding
performance.
X‐band
surface‐specific
effectiveness
(SE)
18,837.5
dB
cm
2
g
−1
an
SE
over
60
in
ultra‐broadband
frequency
range
achieved,
comparable
to
best
shields
ever
reported.
Furthermore,
wearable
demonstrate
photothermal
antibacterial
electrothermal
deicing
Thus,
such
high‐performance
a
facile
manufacturing
method
have
substantial
application
prospects
flexible
electronics,
thermotherapy,
compatibility,
aerospace.
ACS Nano,
Год журнала:
2022,
Номер
16(2), С. 2461 - 2470
Опубликована: Янв. 26, 2022
MXenes
have
been
intensively
studied
for
electrochemical
energy
storage
and
other
applications.
However,
time-consuming
multistep
procedures
involving
hypertoxic
HF
or
alike
are
utilized
in
conventional
synthesis
methods
of
MXenes.
Besides,
-F
terminal
functional
groups
inevitably
exist
these
MXenes,
detrimental
to
supercapacitor
battery
performances.
Herein,
we
develop
a
facile
time-saving
etching
method
synthesize
F-free
Cl-containing
Ti3C2Tx
mixed
LiOH
LiCl
aqueous
solution
with
an
efficiency
92.2%.
During
the
synthesis,
sonification
alone
is
able
delaminate
without
using
any
hazardous
organic
intercalant.
The
obtained
delaminated
flakes
∼3.8
μm
lateral
size
∼3.9
nm
thickness,
can
be
stable
dispersion
at
least
15
days.
filtrated
film
20.5
MPa
tensile
strength,
13.4
GPa
Young's
modulus,
1663
S
cm-1
electrical
conductivity,
exhibits
specific
capacitances
323.7
F
g-1,
1.39
cm-2,
1160
cm-3
supercapacitors.
Also,
flexible
zinc-ion
hybrid
capacitor
density
values
20.8
mWh
249.9
μWh
cm-2
assembled
by
as
cathode,
maintain
almost
all
its
capacity
under
bending.
