Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 13, 2024
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
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(19), P. 24612 - 24623
Published: May 6, 2024
Interfacial
active
water
molecule-induced
parasitic
reactions
and
stochastic
Zn2+
transport-caused
dendrite
issue
significantly
impede
the
implementation
of
aqueous
Zn-ion
batteries.
Herein,
three
positively
charged
amino
acids,
namely
arginine,
histidine,
lysine,
were
utilized
as
adsorption-type
electrolyte
additives
to
enhance
stability
reversibility
Zn
anodes.
Combined
theoretical
experimental
analyses
verified
that
these
acid
cations
can
synergistically
modulate
interfacial
microenvironment
promote
orientational
deposition.
The
adsorbed
reconfigured
electric
double
layer
structure,
forming
SO42–-
H2O-poor
interfaces,
thereby
retarding
hydrogen
evolution
corrosion
side
reactions.
Simultaneously,
preferential
adsorption
at
specific
facets
induced
crystallographic
deposition
along
unterminated
facets.
Three
architectures,
planar
texture,
subvertical
alignment,
vertical
erection,
obtained,
all
effectively
inhibiting
formation.
Consequently,
symmetric
cells
with
exhibited
high
stripping/plating
over
2000
cycles
5
mA
cm–2.
Moreover,
MnO2-based
full
markedly
improved
stabilities
compared
their
additive-free
counterparts.
Molecules,
Journal Year:
2024,
Volume and Issue:
29(11), P. 2704 - 2704
Published: June 6, 2024
Sodium-ion
batteries
(SIBs)
have
received
considerable
attention
in
recent
years.
Anode
material
is
one
of
the
key
factors
that
determine
SIBs’
electrochemical
performance.
Current
commercial
hard
carbon
anode
shows
poor
rate
performance,
which
greatly
limits
applications
SIBs.
In
this
study,
a
novel
vanadium-based
material,
SrV4O9,
was
proposed
as
an
for
SIBs,
and
its
Na+
storage
properties
were
studied
first
time.
To
enhance
electrical
conductivity
SrV4O9
microflower
structure
designed
reduced
graphene
oxide
(rGO)
introduced
host
to
support
microflowers.
The
effectively
electron
diffusion
distance,
thus
enhancing
material.
rGO
showed
excellent
flexibility
conductivity,
improved
cycling
life
performance
composite
As
result,
SrV4O9@rGO
(a
stable
capacity
273.4
mAh
g−1
after
200
cycles
at
0.2
A
high
120.4
10.0
g−1),
indicating
can
be
ideal
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 13, 2024
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