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.
SusMat,
Journal Year:
2024,
Volume and Issue:
4(3)
Published: May 15, 2024
Abstract
The
interrelated
side
reactions
and
dendrites
growth
severely
destabilize
the
electrode/electrolyte
interfaces,
resulting
in
difficult
application
of
aqueous
Zn
ion
batteries
(AZIBs).
Hydrophobic
protective
layer
possesses
natural
inhibition
ability
for
reactions.
However,
conventional
with
plane
structure
is
to
attain
joint
regulation
reaction
nucleation.
Herein,
a
novel
three‐dimensional
(3D)
electrically
conductive
hydrophobic
(3DECH)
interface
elaborated
enable
stable
anode.
as‐prepared
3DECH
presents
uniform
3D
morphology
property,
large
specific
surface
area,
abundant
zincophilic
sites,
excellent
electroconductivity.
Therefore,
achieves
nucleation
dendrite‐free
deposition
from
synergetic
benefits:
(1)
increased
sites
reduced
local
current
density
through
special
(2)
electric
potential
distribution
rapid
2+
transport
due
electroconductive
alloy
chemistry,
thus
coupling
property
obtain
highly
reversible
Consequently,
modified
anode
superior
coulombic
efficiency
99.88%
over
3500
cycles,
pouch
cells
using
LiMn
2
O
4
(LMO)
cathode
retain
capacity
84
mAh
g
−1
after
700
cycles
at
reasonable
depth
discharge
36%,
without
dendrite
piercing
“dead
Zn.”
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 13, 2024
Aqueous
zinc
ion
batteries
(AZIBs)
offer
great
potential
for
large-scale
energy
storage
because
of
their
high
safety,
low
cost
and
acceptable
density.
However,
the
cycle
life
AZIBs
is
inevitably
affected
by
parasitic
reactions
dendritic
growth
caused
multiple
factors
such
as
electrode,
electrolyte
separator,
which
pose
significant
obstacles
to
practical
application
AZIBs.
To
address
these
challenges,
conducting
polymer
(CP)
based
materials
have
gained
widespread
attention
in
realm
rechargeable
due
adjustable
band
gap,
controllable
morphology,
excellent
flexibility
CPs.
In
particular,
CPs
exhibit
remarkable
conductivity,
dimensionality,
doping
characteristics,
making
them
highly
promising
integration
into
AZIB
system.
this
review,
problems
associated
with
cathode,
anode,
electrolyte,
separator
are
discussed,
modification
summarized.
The
review
provides
a
comprehensive
analysis
action
mechanisms
involved
CP
process
offers
valuable
insights
design
development
that
can
be
effectively
utilized
Additionally,
presents
outlook
research
field,
aiming
further
advance
low-cost
high-performance
composites
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 2, 2024
Abstract
Developing
suitable
anode
materials
to
fabricate
metal‐free
Zinc
ion
battery
is
a
promising
strategy
solve
the
issues
of
Zn
metal
anode,
such
as
dendrite
growth
and
side
reactions.
However,
reported
face
shortcomings
unsatisfactory
rate
performance,
low
mass
loading,
etc.
Herein,
featuring
synergetic
proton‐dominated
storage
electron
transfer,
conjugated
polyimide
nanocomposite
trapped
by
multi‐walled
carbon
nanotubes
(PPN‐MWCNT)
developed
for
high‐loading,
fast‐rate
organic
in
battery.
Specifically,
abundant
hydrophilic
active
sites
nonplaner
conjunctional
structure
PPN
achieve
with
two
steps
four
electrons
mechanism,
leading
fast
diffusion,
intimate
contact
between
polymer
MWCNT
via
situ
polymerization
ensures
excellent
charge
transfer
robust
structure.
Thus,
PPN‐MWCNT
electrode
delivers
redox
potential,
ultrahigh
performance
(50
A
g
−1
),
superior
loading
capability
(≈40
mg
cm
−2
)
exceptional
long‐term
cyclability
(over
12
000
cycles).
More
importantly,
full
batteries
assembled
different
cathodes
deliver
high
energy
density
106.4
Wh
kg
(PPN‐MWCNT//MnO
2
83.7
(PPN‐MWCNT//active
carbon‐I
exceeding
most
batteries.
