Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 12, 2024
Abstract
Zn
dendrite
growth
and
parasitic
reactions
at
the
interface
of
zinc
anode/electrolyte
in
aqueous
batteries
severely
hinder
its
lifespan
application.
Herein,
anode
is
effectively
stabilized
by
introducing
trace
amounts
4‐aminobutane‐1‐phosphate
(ABPA)
into
ZnSO
4
electrolyte.
The
ABPA
adsorbs
onto
surface
then
further
decomposes
to
a
high
conductive
organic/inorganic
composite
situ
SEI
layer
including
amino,
partial
carbon
chain,
phosphate.
In
layer,
residual
undecomposed
chain
promotes
desolvation
2+
,
amino
induces
uniform
plating
phosphate
facilitates
migration
.
Thus,
this
not
only
suppresses
water‐related
side
but
also
enhances
transport
kinetics.
As
result,
Zn||Zn
symmetric
cell
delivers
an
ultralong
cycle
life
over
13
000
cycles
50
mA
cm
−2
1
mAh
A
average
Coulombic
efficiency
99.72%
achieved
1000
Zn||Cu
half‐cell.
Zn||I
2
full
high‐capacity
retention
91.42%
after
40,000
cycles.
Moreover,
49
pouch
maintains
80.28%
capacity
300
61.22%
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 14, 2025
The
performance
of
zinc-ion
batteries
(ZIBs)
is
often
hindered
by
issues
such
as
dendrite
formation,
hydrogen
evolution,
and
limited
cycling
stability.
1,3-Dihydroxyacetone
(DHA)
not
only
stabilizes
the
anode
modulating
anode/electrolyte
interface
(AEI)
but
also
enhances
electrochemical
battery
through
its
spontaneous
reversible
keto-enol
tautomerization,
reducing
concentration
gradient
on
surface.
Using
a
combination
DFT
calculations
experimental
characterization,
regulation
hydrated
Zn2+
structure
adsorption
at
AEI
this
additive
investigated.
Overall,
incorporating
DHA
extends
stability
Zn||Zn
symmetric
to
400
h,
even
depth
discharge
56.7%
(DOD).
Zn||VNNC
full
exhibit
stable
for
700
cycles
5
A
g-1
with
low
N/P
ratio
(2.69),
while
Zn||AC
capacitors
(ZICs)
significantly
enhanced.
This
study
evaluates
potential
in
ZIBs
dynamic
characteristics
molecular
structures.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 8, 2025
Abstract
Aqueous
Zn‐ion
batteries
provide
a
low‐cost
energy
storage
solution
but
face
challenges
such
as
dendrite
formation
and
interface
instability,
which
become
more
pronounced
at
high
currents
capacities.
Herein,
scalable
sandwich‐structured
heterogeneous
anode
is
proposed
for
aqueous
zinc
that
integrate
three
functionally
synergistic
layers.
A
robust
3D
ZnO@C
substrate
(from
calcined
Bio‐MOF‐100,
BMC)
with
dense
nucleation
sites
guides
orderly
Zn
deposition,
while
controllable
pre‐deposited
intermediate
layer
precisely
regulates
2
⁺
flux.
An
artificial
indium‐based
protective
top‐layer
chemically
isolates
the
active
from
electrolyte,
effectively
suppresses
interfacial
corrosion,
enhances
interlayer
contact
to
minimize
impedance
maintaining
structural
integrity
during
cycling.
The
synergies
endow
symmetric
cell
an
ultra‐long
cycle
life
exceeding
2000
h
stable
plating/stripping
remarkable
depth
of
discharge
(76%)
under
current/areal
capacity
conditions
(6
mA
cm
−2
/12
mAh
).
Additionally,
BMC@Zn@In//(NH
4
)
V
10
O
25
·8H
full
battery
achieves
lifespan
5000
cycles,
BMC@Zn@In//activated
carbon
hybrid
supercapacitor
demonstrates
impressive
16
000
cycles.
This
study
identifies
mechanism
ultra‐stable
promising
applications
in
batteries.
