ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(46), P. 63668 - 63680
Published: Nov. 6, 2024
Aqueous
zinc-ion
batteries
have
been
impeded
by
the
hydrogen
evolution
reaction
(HER),
uncontrolled
zinc
dendrites,
and
side
reactions
on
Zn
anode.
In
this
work,
a
Zn–polyphenol
supramolecular
network
is
rationally
designed
for
stabilizing
anodes
(ZPN@Zn)
even
at
high
current
density.
Theoretical
calculations
experiments
show
that
zinc–polyphenol
layer
effectively
inhibits
capturing
water
molecules
through
strong
bonding
networks
while
also
facilitating
rapid
replenishment
of
Zn2+
ions
interface
anchoring.
Additionally,
it
results
in
preferential
deposition
(002)
plane,
thereby
contributing
to
nondendritic
highly
reversible
plating/stripping
behaviors
under
rates.
Concomitantly,
ZPN@Zn
achieves
superior
stability
nearly
1200
h
density
20
mA
cm–2
maintains
CE
efficiency
99.86%
after
3000
cycles
1
mAh
5
cm–2.
Remarkably,
full
cell
assembled
with
NaV3O8
(NVO)
endures
25
000
A
g–1,
achieving
an
impressive
performance
realization
dendrite-free
modulation.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(31)
Published: June 4, 2024
Abstract
In
advancing
aqueous
zinc‐ion
batteries
(AZIBs)
toward
commercial
viability,
vanadium
(V)‐based
cathodes
are
pivotal,
offering
broad
redox
ranges,
and
compatibility
with
water's
electrochemical
limits.
Despite
their
great
potentials,
V‐based
face
challenges
in
transitioning
from
lab
to
commercialization.
Defect
engineering
is
exploited
as
a
pivotal
technique
that
endows
the
unexpected
physical
chemical
properties
break
intrinsic
bottleneck
and,
turn,
enhance
performances.
This
review
delves
into
role
of
defect
on
materials,
underscoring
its
potential
mitigating
critical
challenges.
It
starts
by
encapsulating
current
characteristics
AZIBs.
Research
efforts
related
various
defects,
such
oxygen
vacancies,
cation
cationic
doping,
anionic
water
intercalation,
lattice
disorders/amorphization,
then
rationalized
discussed.
The
fabrication
characterization
techniques
also
summarized.
By
integrating
conclusions
existing
works
tailoring
strategies,
few
perspectives
provided
for
systematically
employing
pave
way
more
efficient
transition
these
promising
materials
laboratory
breakthroughs
commercially
viable
energy
storage
solutions.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(41)
Published: July 31, 2024
Abstract
Vanadium‐based
aqueous
zinc‐ion
batteries
(AZIBs)
exhibit
significant
potential
for
large‐scale
energy
storage
applications,
attributed
to
their
inherent
safety
characteristics.
Addressing
the
slow
transport
kinetics
of
divalent
Zn
2+
within
cathode
lattice,
thereby
enhancing
rate
capability
and
stability,
is
essential
Zn‐V
battery
system.
In
this
study,
a
local
electric
field
(LEF)
strategy
introduced
accelerate
diffusion
by
creating
abundant
oxygen
vacancies
(Ov)
in
V
2
O
5
.
Comprehensive
characterization
density
functional
theory
(DFT)
calculations
reveal
formation
Ov
induced
atomic‐level
donor‐acceptor
couple
configuration,
verify
visualize
LEF.
The
fabricated
LEF‐enhanced
vanadium
oxide
(LEF‐VO)
exhibits
exceptional
capability,
achieving
338.3
mA
h
g
−1
at
current
10
A
,
maintaining
66.4%
its
capacity
over
range
from
0.2
20
Furthermore,
influence
LEF
on
expediting
elucidated,
correlating
electrical
force.
This
novel
approach
offers
valuable
insights
advancing
high‐rate
materials.
Inorganic Chemistry Frontiers,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Different
layer
spacings
of
V
2
O
5
were
obtained
through
dual
organic
molecule
co-insertion.
Herein,
VNK4
(8.76
Å)
exhibits
excellent
long-cycle
life
as
the
cathode
zinc-ion
batteries,
revealing
importance
regulating
spacing.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
Abstract
The
electrostatic
interaction
between
zinc
ions
and
the
host
structure
significantly
limits
practicality
of
vanadium‐based
cathodes
in
aqueous
zinc‐ion
batteries
(AZIBs).
Herein,
an
anion
doping
strategy
is
demonstrated
to
mitigate
resistance
steric
hindrance
during
ion
insertion
by
incorporating
iodine
atoms
into
lattice
cathode
material,
Na
2
V
6
O
16
·3H
O.
Iodine
reduces
adsorption
energy
at
most
stable
site,
thereby
weakening
Zn
2+
‐host
lowering
diffusion
barrier,
resulting
a
one‐order‐of‐magnitude
increase
coefficient.
Moreover,
large
atomic
size
expands
lattice,
creating
ample
space
for
increased
storage
capacity,
further
supported
introduced
oxygen
vacancies.
As
result,
iodine‐doped
achieves
impressive
specific
capacity
528.8
mAh
g
−1
current
density
0.5
A
,
retains
262
after
12,000
cycles
high
rate
10
.
This
work
provides
new
insights
design
high‐performance
materials
AZIBs.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 26, 2025
VOPO4·2H2O
(VOP)
has
attracted
significant
attention
as
a
cathode
material
for
aqueous
zinc-ion
batteries
owing
to
its
layered
structure
and
high-voltage
plateau.
However,
application
is
hindered
by
sluggish
Zn2+
transport
kinetics
instability
in
electrolytes,
leading
rapid
capacity
fading
over
cycling.
In
the
present
work,
diethylene
glycol
(DEG)
pre-intercalated
VOP
(DEG-VOP)
with
flower-like
morphology
prepared
facile
hydrothermal
method.
The
DEG
molecules
enlarge
interplanar
lattice
of
(001)
plane
introduce
oxygen
vacancies,
accelerating
mass
charge
transfer
kinetics.
addition,
pre-intercalation
induces
self-assembly
nanosheets
into
structure,
which
exposes
more
(201)
planes,
providing
additional
ion
channels.
also
enhances
hydrophobicity
VOP,
effectively
suppressing
decomposition
dissolution.
These
result
significantly
improved
discharge
capacity,
retention
86%
after
2000
cycles
at
1
A
g–1.
