Vanadium
oxides
with
high
theoretical
capacity
have
been
regarded
as
the
most
auspicious
cathodic
materials
for
high‐performance
aqueous
zinc‐ion
batteries
(AZIBs)
while
their
practical
applications
in
ZIBs
are
limited
by
low
electrical
conductivity
and
collapsible
structure‐induced
poor
cyclability.
As
an
important
vanadium
oxide,
of
V
6
O
13
can
reach
417
mAh
g
−1
but
its
actual
is
low.
In
this
study,
/MXene
composite
prepared
via
a
facile
one‐step
hydrothermal
method
highly
conductive
MXene
substrate.
The
resulting
deliver
maximum
379.7
at
0.1
A
good
rate
capability
(207
current
density
10
).
also
demonstrates
outstanding
cyclability
194
retention
81%
after
4800
cycles
5
.
enhanced
electrochemical
performance
over
closely
related
to
decrease
R
ct
value
electrode–electrolyte
interface
due
introduction
flower‐like
morphology
on
surface
which
possesses
specific
area
numerous
active
sites
toward
Zn2+
storage.
Advanced Materials,
Год журнала:
2024,
Номер
36(25)
Опубликована: Март 16, 2024
Tunnel-type
vanadium
oxides
are
promising
cathodes
for
aqueous
zinc
ion
batteries.
However,
unlike
layer-type
with
adjustable
layer
distances,
enhancing
ion-transport
kinetics
in
tunnels
characterized
by
fixed
sizes
poses
a
considerable
challenge.
This
study
highlights
that
the
macroscopic
arrangement
of
electrode
crucially
determines
tunnel
orientation,
thereby
influencing
transport.
By
changing
material
morphology,
orientation
can
be
optimized
to
facilitate
rapid
diffusion.
In
proof-of-concept
demonstration,
it
is
revealed
(00l)
facets-dominated
VO
Chemical Science,
Год журнала:
2024,
Номер
15(13), С. 4952 - 4959
Опубликована: Янв. 1, 2024
Aqueous
zinc
batteries
using
environment-friendly
and
sustainable
quinone
cathodes
realize
a
long
life
cycle,
high
active
mass
loading,
excellent
flexibility,
showing
its
potential
for
application
in
wearable
electronics.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 7, 2025
Abstract
With
the
increasing
safety
concerns
and
consensus
on
sustainability,
aqueous
zinc‐ion
batteries
(AZIBs)
are
gaining
significant
attention
as
a
green
efficient
alternative
for
energy
storage
technologies.
However,
prolonged
persistent
chemical
dissolution
electrochemical
capacity
fading
of
one
dominant
vanadium
oxide
cathodes
has
long
posed
an
unavoidable
challenge.
Meanwhile,
mechanism
AZIBs
remains
controversial,
along
with
formation
parasitic
derived
cathode‐related
products
during
repeated
charge/discharge
procedure.
Herein,
this
review
expects
to
provide
comprehensive
analysis
fundamental
redox
reactions
in
oxide‐based
AZIBs,
particular
emphasis
nanostructure
features
their
evolution,
ionic
transference,
occupation,
elucidate
underlying
mechanisms
involved
system.
Furthermore,
several
effective
strategies,
including
cathode
modification
electrolyte
design
summarized.
Finally,
offers
potential
avenues
advancing
materials,
inorganic
colloids,
high‐entropy
electrolytes,
characterization,
thereby
contributing
continued
development
field.
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(25)
Опубликована: Апрель 9, 2024
Abstract
The
development
of
high‐energy‐density
aqueous
zinc‐ion
batteries
requires
the
preparation
cathodes
with
a
thick
layer
active
material.
However,
insulating
nature
and
dissolution
vanadium‐based
oxides
lead
to
low
areal
capacity
(0.1,1
mA
h
cm
−2
)
during
charge/discharge
cycle.
Herein,
V
2
O
5
nanospheres
are
generated
by
anchoring
onto
laser‐induced
graphene
(LIG)
conductive
network
through
defect‐induced
adsorption,
resulting
in
formation
pomegranate‐like
@LIG
composites.
unique
abundant
defect
structure
honeycomb
LIG
can
trigger
uniform
high
specific
surface
area
interact
electronically
enhance
electrical
conductivity
cathode
materials
up
four
orders
magnitude.
In
contrast
conventional
carbon
that
cause
steric
hindrance
for
ion
transport,
micropores
within
shorten
transport
path
cathode.
Concurrently,
encapsulated
effectively
prevents
material
corrosion.
Under
high‐loading
mass
17.1
mg
,
full
cell
is
stably
cycled
200
cycles,
possessing
92.5%
retention,
achieving
6.05
.
ACS Applied Energy Materials,
Год журнала:
2023,
Номер
6(11), С. 6201 - 6213
Опубликована: Май 15, 2023
Aqueous
zinc-ion
batteries
(ZIBs)
have
attracted
much
attention
because
of
their
high
theoretical
capacity
and
inherent
safety.
An
essential
requirement
is
to
design
robust
cathodes
match
the
excellent
electrochemical
properties
zinc
anodes.
Herein,
we
report
a
facile
strategy
that
designed
an
intercalation-type
cathode
by
incorporating
interlayer
engineering
Mn2+
oxygen
defects
into
tunnel-type
VO2
nanoribbons.
The
embedded
ions
act
as
pillars
extend
tunnel
structure
with
improved
fast
reversible
intercalation/deintercalation
Zn2+
in
ZIBs,
enhancing
electrical
conductivity
improving
redox
activity.
In
addition,
vacancies
MnVO
nanoribbons
can
provide
extra
electrochemically
active
sites
for
storage.
As
result,
electrode
delivers
462.5
mA
h
g–1
at
0.1
A
g–1,
outstanding
rate
performance
(120
5
after
2500
cycles),
ultralong
cycling
10
remaining
52
over
10,000
cycles.
Therefore,
this
work
provides
enlightened
superior
vanadium-based
oxide
toward
advanced
ZIBs.
Inorganic Chemistry Frontiers,
Год журнала:
2024,
Номер
11(4), С. 1266 - 1278
Опубликована: Янв. 1, 2024
NH
4
+
-defected
V
O
10
with
microflower
morphology
was
synthesized
via
hydrothermal
method
and
in
situ
phase
transition
to
improve
specific
capacity
(494.0
mA
h
g
−1
),
Zn
2+
diffusion
efficiency
structural
stability
(71.8%
for
2000
cycles).