Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 6, 2025
The
inherent
trade-off
between
permeability
and
selectivity
has
constrained
further
improvement
of
passive
linear
force-electric
conversion
performance
in
nanofluidic
pressure
sensors.
To
overcome
this
limitation,
a
3D
membrane
with
high
mechanical
strength
utilizing
aramid
nanofibers/carbon
nanofiber
(ANF/CNF)
dual
crosslinking
is
developed.
Due
to
the
abundant
surface
functional
groups
CNF
ANF,
large-scale
integrated
exhibits
advantages
flux,
porosity,
short
ion
transport
path,
demonstrating
superior
response
compared
conventional
1D
2D
configurations.
enhancement
mechanism
ANF/CNF
systematically
investigated
through
experimental
results
theoretical
calculations.
optimized
device
sensitivity
111
nA
cm
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(29)
Published: June 16, 2023
Abstract
High‐performance
electrochemical
applications
have
expedited
the
research
in
high‐power
devices.
As
such,
supercapacitors,
including
electrical
double‐layer
capacitors
(EDLCs)
and
pseudocapacitors,
gained
significant
attention
due
to
their
high
power
density,
long
cycle
life,
fast
charging
capabilities.
Yet,
no
device
lasts
forever.
It
is
essential
understand
mechanisms
behind
performance
degradation
aging
so
that
these
bottlenecks
can
be
addressed
tailored
solutions
developed.
Herein,
factors
contributing
of
electrode
materials,
electrolytes,
other
aspects
system,
such
as
pore
blocking,
compositions,
functional
groups,
corrosion
current
collectors
are
examined.
The
monitoring
characterizing
methods,
situ,
ex
situ
techniques
explored.
In
addition,
different
types
electrolytes
materials
effects
from
an
industrial
application
standpoint
analyzed.
Next,
how
degradations
electrolyte
decompositions
lead
failure,
composition,
affect
device's
lifespan
Finally,
future
directions
challenges
for
reducing
supercapacitors'
degradation,
developing
new
methods
devices
summarized.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(15), P. 6320 - 6330
Published: April 7, 2023
Membranes
offer
a
scalable
and
cost-effective
approach
to
ion
separations
for
lithium
recovery.
In
the
case
of
salt-lake
brines,
however,
high
feed
salinity
low
pH
post-treated
have
an
uncertain
impact
on
nanofiltration's
selectivity.
Here,
we
adopt
experimental
computational
approaches
analyze
effect
elucidate
key
selectivity
mechanisms.
Our
data
set
comprises
over
750
original
rejection
measurements,
spanning
five
salinities
two
levels,
collected
using
brine
solutions
that
model
three
compositions.
results
demonstrate
Li+/Mg2+
polyamide
membranes
can
be
enhanced
by
13
times
with
acid-pretreated
solutions.
This
enhancement
is
attributed
amplified
Donnan
potential
from
ionization
carboxyl
amino
moieties
under
solution
pH.
As
increase
10
250
g
L–1,
decreases
∼43%,
consequence
weakening
exclusion
Further,
our
analysis
accentuates
importance
measuring
separation
factors
representative
compositions
replicate
ion-transport
behaviors
brine.
Consequently,
reveal
predictions
improved
up
80%
when
appropriate
Cl–/SO42–
molar
ratios
are
used.
Small,
Journal Year:
2023,
Volume and Issue:
20(14)
Published: Nov. 20, 2023
Abstract
Nanozymes,
as
innovative
materials,
have
demonstrated
remarkable
potential
in
the
field
of
electrochemical
biosensors.
This
article
provides
an
overview
mechanisms
and
extensive
practical
applications
nanozymes
First,
definition
characteristics
are
introduced,
emphasizing
their
significant
role
constructing
efficient
sensors.
Subsequently,
several
common
categories
nanozyme
materials
delved
into,
including
metal‐based,
carbon‐based,
metal‐organic
framework,
layered
double
hydroxide
nanostructures,
discussing
Regarding
mechanisms,
two
key
roles
particularly
focused
biosensors:
selective
enhancement
signal
amplification,
which
crucially
support
sensor
performance.
In
terms
applications,
widespread
use
nanozyme‐based
biosensors
showcased
various
domains.
From
detecting
biomolecules,
pollutants,
nucleic
acids,
proteins,
to
cells,
providing
robust
means
for
high‐sensitivity
detection.
Furthermore,
insights
into
future
development
is
provided,
encompassing
improvements
optimizations
design
integration,
expansion
application
fields
through
interdisciplinary
collaboration.
conclusion,
this
systematically
presents
biosensors,
offering
valuable
references
prospects
research
field.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(39), P. 14747 - 14759
Published: Sept. 18, 2023
Evaporative
technology
for
lithium
mining
from
salt-lakes
exacerbates
freshwater
scarcity
and
wetland
destruction,
suffers
protracted
production
cycles.
Electrodialysis
(ED)
offers
an
environmentally
benign
alternative
continuous
extraction
is
amenable
to
renewable
energy
usage.
Salt-lake
brines,
however,
are
hypersaline
multicomponent
mixtures,
the
impact
of
complex
brine-membrane
interactions
remains
poorly
understood.
Here,
we
quantify
influence
solution
composition,
salinity,
acidity
on
counterion
selectivity
thermodynamic
efficiency
electrodialysis,
leveraging
1250
original
measurements
with
salt-lake
brines
that
span
four
feed
salinities,
three
pH
levels,
five
current
densities.
Our
experiments
reveal
commonly
used
binary
cation
solutions,
which
neglect
Na+
K+
transport,
may
overestimate
Li+/Mg2+
by
250%
underpredict
specific
consumption
(SEC)
a
factor
54.8.
As
result
conditions,
exposure
brine
weakens
efficacy
Donnan
exclusion,
amplifying
Mg2+
leakage.
Higher
densities
enhance
potential
across
solution-membrane
interface
ameliorate
degradation
brines.
However,
steep
trade-off
between
governs
ED's
performance:
6.25
times
enhancement
in
accompanied
71.6%
increase
SEC.
Lastly,
our
analysis
suggests
industrial-scale
ED
module
can
meet
existing
capacities,
while
being
powered
photovoltaic
farm
utilizes
<1%
salt-flat
area.
