Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 20, 2024
Abstract
High‐performance
energy
storage
technologies,
with
the
representatives
of
rechargeable
and
redox
flow
batteries,
are
required
due
to
flying
development
electrical
gadgets
increase
in
demand
for
sustainable
supply.
Nevertheless,
most
these
batteries
made
inorganic
active
materials
several
critical
deficiencies,
preventing
their
further
development.
Organic
nitro
compounds
(ONCs)
an
appealing
alternative
this
context,
providing
advantages
multi‐electron
processes
adjustable
battery
performance
by
structural
modification.
In
review,
utilization
ONCs
as
electrode
interfacial
layer
metal
well
shuttle
additives
is
explored.
The
authors
also
go
over
material
design
issues,
together
corresponding
electrochemical
reaction
mechanisms,
overview
related
viewpoints
future
research
directions
facilitate
advancement
field
provided.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 22, 2024
Abstract
Electrolyte
additives
are
investigated
to
resolve
dendrite
growth,
hydrogen
evolution
reaction,
and
corrosion
of
Zn
metal.
In
particular,
the
electrostatic
shielding
cationic
strategy
is
considered
an
effective
method
regulate
deposition
morphology.
However,
it
very
difficult
for
such
a
simple
modification
avoid
competitive
reactions,
corrosion,
interfacial
pH
fluctuations.
Herein,
multifunctional
potassium
phthalate
(KHP)
based
on
synergistic
design
anionic
chemistry
ultrastable
Zn||I
2
full
batteries
demonstrated.
K
cations,
acting
as
constructed
smooth
HP
anions
can
enter
first
solvation
shell
2+
reduced
activities
H
O,
while
they
remain
in
primary
finally
involved
formation
SEI,
thus
accelerating
charge
transfer
kinetics.
Furthermore,
by
situ
monitoring
near‐surface
electrode,
KHP
effectively
inhibit
accumulation
OH
−
by‐products.
Consequently,
symmetric
cells
achieve
high
stripping–plating
reversibility
over
4500
2600
h
at
1.0
5
mA
cm
−2
,
respectively.
The
deliver
ultralong
term
stability
1400
cycles
with
high‐capacity
retention
78.5%.
Abstract
Electrolyte
additives
are
commonly
employed
in
aqueous
zinc‐ion
batteries
(ZIBs)
to
suppress
dendrite
growth,
corrosion,
and
hydrogen
evolution.
However,
rational
design
principles
systematic
mechanistic
studies
for
selecting
suitable
regulate
reversible
Zn
plating/stripping
chemistry
worth
in‐depth
study.
Using
L‐ascorbic
acid
sodium
(LAAS)
as
the
representative,
theoretical
calculations
combined
with
situ
experimental
analyses
manifest
that
polyhydroxy‐sodium‐salts
preferentially
chemisorbed
on
surface
construct
H
2
O‐poor
interfacial
microenvironment,
suppressing
undesirable
water‐related
side
reactions.
Concurrently,
ions
provide
an
armor
shielding
layer
electric
field
guide
(002)
deposition
texture.
Specifically,
sodium‐salts
replace
O
molecules
coordinated
shell
of
hydrated
2+
ions,
improving
electrochemical
stability
window
(ESW)
extend
working
voltage
ZIBs.
Therefore,
Zn||Zn
symmetric
cell
additive
exhibits
impressive
cumulative
capacity
7875
mAh
cm
−2
at
high
current
density
30
mA
.
Even
when
discharge
expands
1.8
V,
Zn||V
5
full
realizes
a
retention
98.26%
over
500
cycles.
This
work
quickens
advanced
ZIBs
by
green
cheap
electrolyte
additive,
which
is
expected
herald
innovative
phase
research
high‐stability
batteries.
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Май 19, 2025
Abstract
Crystallographic
engineering
of
Zn
anodes
to
favor
the
exposure
(002)
planes
is
an
effective
approach
for
improving
stability
in
aqueous
electrolytes.
However,
achieving
non-epitaxial
electrodeposition
with
a
pronounced
texture
and
maintaining
this
orientation
during
extended
cycling
remains
challenging.
This
study
questions
prevailing
notion
that
single
(002)-textured
anode
inherently
ensures
superior
stability,
showing
such
cannot
sustain
their
ZnSO
4
We
then
introduced
novel
electrolyte
additive,
benzyltriethylammonium
chloride
(TEBAC),
which
preserves
over
prolonged
cycling.
Furthermore,
we
successfully
converted
commercial
foils
into
highly
crystalline
without
any
pretreatment.
Experiments
theoretical
calculations
revealed
cationic
TEBA
+
selectively
adsorbs
onto
surface,
promoting
Zn(002)
plane
suppressing
dendrite
formation.
A
critical
discovery
was
pitting
corrosion
caused
by
ions
from
TEBAC,
mitigated
anion
substitution.
modification
leads
remarkable
lifespan
375
days
Zn||Zn
symmetric
cells
at
1
mA
cm
−2
mAh
.
-modified
Zn||VO
2
full
cell
demonstrates
high
specific
capacity
robust
cycle
10.0
g
−1
These
results
provide
valuable
insights
strategies
developing
long-life
ion
batteries.
