Interfacial
pH
fluctuation
is
one
of
the
primary
reasons
for
issues
related
to
Zn
metal
anodes.
Herein,
polar
amphoteric
alanine,
as
a
multifunctional
electrolyte
additive,
designed
regulate
electric
double
layer
(EDL)
and
solvation
structure.
Alanine
with
self-adaptation
capability
can
stabilize
pH.
Due
more
negative
adsorption
energy,
alanine
preferentially
adsorbs
on
surface
repels
water
molecules
within
EDL.
Alanine-enriched
EDL
effectively
shields
tips,
homogenizes
interfacial
field
distribution,
promotes
preferential
deposition
horizontal
flaky
Zn.
limits
contact
between
anode.
additive
decreases
quantity
in
Abstract
The
development
of
aqueous
zinc
metal
batteries
(AZMBs)
is
hampered
by
dendrites
and
side
reactions
induced
reactive
H
2
O.
In
this
study,
a
hydrated
eutectic
electrolyte
with
restrictive
water
consisting
trifluoromethanesulfonate
(Zn(OTf)
),
1,3‐propanediol
(PDO),
developed
to
improve
the
stability
anode/electrolyte
interface
in
AZMBs
via
formation
water‐deficient
interface.
Additionally,
PDO
participates
Zn
2+
solvation
structure
inhibits
movement
molecules.
also
preferentially
adsorbs
along
(100)
plane,
thereby
inducing
organic/inorganic
SEI
layer
that
enables
cycle
life
Zn//Zn
symmetric
cell
reach
3000
h
at
1
mA
cm
−2
mAh
.
Further,
interfacial
modulation
improves
cycling
Zn//V
O
5
Zn//VO
cells.
Particularly,
specific
capacity
1.7
times
2M
Zn(OTf)
electrolyte,
retention
93%
after
100
cycles
0.5
A
g
−1
This
study
provides
new
perspective
on
modification
strategies
for
AZMBs,
highlighting
potential
PDO‐8
developing
energy
storage
devices
excellent
stability.
Abstract
Large‐scale
energy
storage
devices
experience
explosive
development
in
response
to
the
increasing
crisis.
Zinc
ion
batteries
featuring
low
cost,
high
safe,
and
environment
friendly
are
considered
promising
candidates
for
next‐generation
devices.
However,
their
practical
application
suffers
from
limited
anode
lifespan
under
a
zinc
utilization
ratio,
which
can
be
attributed
aggravated
Zn
loss
caused
by
conversion
reactions
“dead”
Zn.
Herein,
n‐propyl
alcohol
is
reported
stabilize
depth
of
discharge
through
dual
regulation
water
activity
inhibition
zinc‐ion
plating
regulation.
The
modified
electrolyte
exhibits
76.43%
cut
corrosion
current
benefited
benefits
SEI
surface.
content
also
reduced
26
times
as
result
dendrite‐free
plating.
Thus,
highly
reversible
plating/stripping
with
99.62%
CE
achieved
≈3600
cycles.
Moreover,
Zn/Zn
cells
greatly
increased
even
(310
h,
90%DOD
120
95.18%
DOD).
In
Zn/NH
4
V
O
10
full
cells,
improved
reversibility
enables
remarkable
capacity
retention
92.16%
after
400
cycles
N/P
ratio
2.5.
Polymers,
Год журнала:
2024,
Номер
16(17), С. 2410 - 2410
Опубликована: Авг. 24, 2024
Dental
resin
composites
are
widely
used
in
clinical
settings
but
often
face
longevity
issues
due
to
the
development
and
accumulation
of
microcracks,
which
eventually
lead
larger
cracks
restoration
failure.
The
incorporation
microcapsules
into
these
resins
has
been
explored
introduce
self-healing
capability,
potentially
extending
lifespan
restorations.
This
study
aims
enhance
performance
dental
by
optimizing
microcapsules-resin
matrix
physicochemical
interactions.
Poly(urea-formaldehyde)
(PUF)
were
reinforced
with
melamine
subsequently
subjected
surface
functionalization
3-aminopropyltriethoxysilane
(APTES)
(3-mercaptopropyl)trimethoxysilane
(MPTMS).
Additionally,
functionalized
a
bilayer
approach,
incorporating
tetraethyl
orthosilicate
(TEOS)
either
APTES
or
MPTMS.
X-ray
photoelectron
spectroscopy
(XPS)
thermogravimetric
analysis
(TGA)
confirmed
an
increased
Si:C
ratio
from
0.006
0.165.
process
did
not
adversely
affect
structure
their
healing
agent
volume.
Compared
PUF
controls,
demonstrated
enhanced
efficiency,
TEOS/MPTMS-functionalized
showing
highest
performance,
toughness
recovery
up
35%.
work
introduces
novel
approach
employing
advanced
silanizing
agents
such
as
MPTMS,
pioneering
protocols
through
combination
TEOS.
