Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(25)
Published: April 16, 2024
Abstract
Lithium
(Li)
metal
batteries
(LMBs)
with
nickel
(Ni)‐rich
layered
oxide
cathodes
exhibit
twice
the
energy
density
of
conventional
Li‐ion
batteries.
However,
their
lifespan
is
limited
by
severe
side
reactions
caused
high
electrode
reactivity.
Fluorinated
solvent‐based
electrolytes
can
address
this
challenge,
but
they
pose
environmental
and
biological
hazards.
This
work
reports
on
molecular
engineering
fluorine
(F)‐free
ethers
to
mitigate
surface
reactivity
in
high‐voltage
Ni‐rich
LMBs.
By
merely
extending
alkyl
chains
traditional
ethers,
we
effectively
reduce
catalytic
cathode
towards
electrolyte
at
voltages,
which
suppresses
oxidation
decomposition
electrolyte,
microstructural
defects
rock‐salt
phase
formation
cathode,
gas
release
issues.
The
NCM811‐Li
battery
delivers
capacity
retention
80
%
after
250
cycles
a
Coulombic
efficiency
99.85
%,
even
superior
that
carbonate
electrolytes.
Additionally,
strategy
facilitates
passivation
Li
anode
forming
robust
solid‐electrolyte
interphase,
boosting
reversibility
99.11
cycling
life
350
cycles,
outperforms
F‐free
ether
Consequently,
practical
LMBs
has
been
prolonged
over
100
500
compared
those
carbonate‐
ether‐based
electrolytes,
respectively.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(25)
Published: April 16, 2024
Lithium
(Li)
metal
batteries
(LMBs)
with
nickel
(Ni)-rich
layered
oxide
cathodes
exhibit
twice
the
energy
density
of
conventional
Li-ion
batteries.
However,
their
lifespan
is
limited
by
severe
side
reactions
caused
high
electrode
reactivity.
Fluorinated
solvent-based
electrolytes
can
address
this
challenge,
but
they
pose
environmental
and
biological
hazards.
This
work
reports
on
molecular
engineering
fluorine
(F)-free
ethers
to
mitigate
surface
reactivity
in
high-voltage
Ni-rich
LMBs.
By
merely
extending
alkyl
chains
traditional
ethers,
we
effectively
reduce
catalytic
cathode
towards
electrolyte
at
voltages,
which
suppresses
oxidation
decomposition
electrolyte,
microstructural
defects
rock-salt
phase
formation
cathode,
gas
release
issues.
The
NCM811-Li
battery
delivers
capacity
retention
80
%
after
250
cycles
a
Coulombic
efficiency
99.85
%,
even
superior
that
carbonate
electrolytes.
Additionally,
strategy
facilitates
passivation
Li
anode
forming
robust
solid-electrolyte
interphase,
boosting
reversibility
99.11
cycling
life
350
cycles,
outperforms
F-free
ether
Consequently,
practical
LMBs
has
been
prolonged
over
100
500
compared
those
carbonate-
ether-based
electrolytes,
respectively.
Cancers,
Journal Year:
2024,
Volume and Issue:
16(5), P. 983 - 983
Published: Feb. 28, 2024
This
exploratory
narrative
review
paper
delves
into
the
intricate
interplay
between
per-
and
polyfluoroalkyl
substances
(PFAS)
exposure,
sociodemographic
factors,
influence
of
stressors
in
context
endometrial
cancer.
PFAS,
ubiquitous
environmental
contaminants
notorious
for
their
persistence
ecosystem,
have
garnered
attention
potential
to
disrupt
endocrine
systems
provoke
immune
responses.
We
comprehensively
examine
various
sources
PFAS
encompassing
household
items,
water,
air,
soil,
thus
shedding
light
on
multifaceted
routes
through
which
individuals
encounter
these
compounds.
Furthermore,
we
explore
such
as
income,
education,
occupation,
ethnicity/race,
geographical
location
relationship
cancer
risk.
also
investigated
role
stress
exposure
The
results
revealed
a
significant
impact
factors
both
levels
Stress
emerged
notable
contributing
factor
influencing
development
cancer,
further
emphasizing
importance
management
practices
overall
well-being.
By
synthesizing
evidence
from
diverse
fields,
this
underscores
need
interdisciplinary
research
targeted
interventions
address
complex
stressors,
Fuels,
Journal Year:
2025,
Volume and Issue:
6(1), P. 15 - 15
Published: Feb. 12, 2025
The
development
of
alga-based
biodegradable
membranes
represents
a
significant
advancement
in
fuel
cell
technology,
aligning
with
the
need
for
sustainable
material
solutions.
In
energy
technologies,
we
have
developed
novel
κ-carrageenan
(KC)
and
boron
nitride
(BN)
nanoparticle
membrane,
optimized
ammonium
sulfate
(NHS).
This
study
employed
set
characterization
techniques,
including
thermogravimetric
analysis
(TGA)
differential
scanning
calorimetry
(DSC),
where
thermal
anomalies
were
observed
around
160
°C
300
as
products
chemical
decomposition.
X-ray
diffraction
(XRD),
electron
microscopy
(SEM),
energy-dispersive
spectroscopy
(EDS)
revealed
phases
corresponding
to
different
precursors,
whose
value
EDS
measurements
reached
maximum
KC/BN/NHS5%
membrane
at
2.31
keV.
terms
mechanical
properties
(MPs),
tensile
stress
10.96
MPa
was
achieved
KC/BN
sample.
Using
Fourier
transform
infrared
(FTIR),
physicochemical
evaluated.
Our
findings
reveal
that
KC/BN/NHS1%
achieves
an
exceptional
ionic
conductivity
7.82
×
10−5
S/cm,
determined
by
impedance
(IS).
composite
suggest
possible
broader
applications
areas
such
sensor
water
purification,
ecologically
responsive
packaging.
underscores
role
nanotechnology
enhancing
functional
versatility
sustainability
materials,
propelling
green
technology
