Aqueous
zinc-ion
batteries
(AZIBs)
are
emerging
as
a
promising
candidate,
enjoying
accolades
for
their
safety,
low
cost,
and
ease
of
operation.
However,
some
challenges
like
the
slow
kinetics
structural
collapse
cathode
materials
hamper
rate
capability
cyclability.
To
address
these
limitations,
heterogeneous
Mn(VO3)2/NaVO3
(MNVO)
nanoribbon
hybrid
was
designed
high-performance
cathodes
zinc
storage.
Owing
to
heterointerface
between
Mn(VO3)2
NaVO3
boosting
charge-transfer
leading
enhanced
diffusion
kinetics,
MNVO
exhibits
high
specific
capacity
381.2
mAh
g-1
at
0.2
A
g-1,
(286.7
5
g-1),
excellent
electrochemical
kinetics.
Additionally,
stable
cyclability
(a
high-capacity
retention
95.7
%
1
after
200
cycles)
long-term
83.0
2000
cycles).
Moreover,
storage
mechanism
co-intercalation
Zn2+
H2O
into
host
were
investigated
by
ex
situ
XRD
XPS
characterizations.
Our
work
offers
new
insight
understanding
development
through
constructing
structure.
Layered
vanadium
oxides
(V2O5)
severed
as
cathode
material
for
aqueous
zinc-ion
batteries
(ZIBs)
have
attracted
a
lot
of
interest
due
to
their
large
theoretical
capacity.
However,
V2O5
suffers
from
the
collapse
layered
structure
after
long
cycles
in
ZnSO4
electrolyte
repeated
intercalation/deintercalation
large-size
hydrated
Zn2+.
Herein,
we
design
V2O5@Phenylbutylamine
(V2O5@PBA)
with
interlayer
spacing
inexpensive
electrolytes.
Between
V-O
layers,
remarkable
increase
distance
(16.4
Å)
can
be
constructed,
providing
path
facile
Zn2+
diffusion.
The
V2O5@PBA
exhibits
high
specific
capacity
(387
mAh
g-1),
superior
rate
performance
and
cycle
life
(retention
64%
3000
cycles)
electrolytes,
which
is
much
better
than
that
(interlayer
distance:
11.5
Å).
These
results
show
increasing
strategy
an
effective
way
improve
electrochemical
oxide
electrolyte.
Aqueous
zinc-ion
batteries
(AZIBs)
are
emerging
as
a
promising
candidate,
enjoying
accolades
for
their
safety,
low
cost,
and
ease
of
operation.
However,
some
challenges
like
the
slow
kinetics
structural
collapse
cathode
materials
hamper
rate
capability
cyclability.
To
address
these
limitations,
heterogeneous
Mn(VO3)2/NaVO3
(MNVO)
nanoribbon
hybrid
was
designed
high-performance
cathodes
zinc
storage.
Owing
to
heterointerface
between
Mn(VO3)2
NaVO3
boosting
charge-transfer
leading
enhanced
diffusion
kinetics,
MNVO
exhibits
high
specific
capacity
381.2
mAh
g-1
at
0.2
A
g-1,
(286.7
5
g-1),
excellent
electrochemical
kinetics.
Additionally,
stable
cyclability
(a
high-capacity
retention
95.7
%
1
after
200
cycles)
long-term
83.0
2000
cycles).
Moreover,
storage
mechanism
co-intercalation
Zn2+
H2O
into
host
were
investigated
by
ex
situ
XRD
XPS
characterizations.
Our
work
offers
new
insight
understanding
development
through
constructing
structure.