Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 24, 2024
Abstract
Aqueous
zinc−ion
batteries
(AZIBs)
are
considered
a
promising
choice
for
energy
storage
devices
owing
to
the
excellent
safety
and
favorable
capacity
of
Zn
anode.
However,
uncontrolled
dendrite
growth
anode
severely
constrains
practical
applications
AZIBs.
Herein,
novel
ion
enrichment
layer
CuS
is
designed
constructed
on
foil
surface
achieve
dendrite−free
This
with
appropriate
affinity
hollow
architecture
exhibits
enriching
characteristics.
Furthermore,
CuS@Zn
can
significantly
reduce
de−solvation
barriers
hydrated
2+
,
promoting
migration
minimizing
nucleation
overpotential.
Benefiting
from
above
results,
deposition
kinetics
effectively
improved.
As
expected,
improved
plating/stripping
reversibility
1000
h
at
1
mA
cm
−2
900
5
.
assembled
CuS@Zn||MnO
2
full
battery
also
superior
rate
performance
cycling
stability.
work
provides
feasible
method
uniform
dense
stabilization
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(10)
Published: Nov. 22, 2023
Abstract
Rechargeable
aqueous
Zn
metal
batteries
are
considered
as
promising
next‐generation
energy
storage
device
because
of
their
intrinsic
safety
and
low
cost.
Nonetheless,
the
poor
lifespan
stemming
from
uncontrollable
dendrite
growth
inevitable
parasitic
reactions
metallic
impede
large‐scale
application.
Herein,
formation
hierarchical
lotus
root‐like
Zn/N‐doped
carbon
hollow
nanofibers‐based
paper
is
reported
decorated
with
interconnected
nanocages
(denoted
LRZCF@ZCC)
a
freestanding
host
multifunctionality
for
anode.
Of
note,
porous
structure
mitigates
internal
stress
to
ensure
robust
structure.
Besides,
concave
surface
inner
LRZCF@ZCC
channel
facilitates
nucleation
2+
geometrically
guide
deposition.
Meanwhile,
well‐distributed
N‐doped
species
can
serve
zincophilic
sites
reduce
overpotential
avoid
evolution
hydrogen
bubbles.
As
expected,
exhibits
polarization
controllable
deposition
small
voltage
hysteresis.
Both
symmetric
cell
full
using
this
unique
demonstrate
long‐term
cycling
duration
enhanced
rate
capability.
Small,
Journal Year:
2024,
Volume and Issue:
20(28)
Published: Feb. 5, 2024
Aqueous
Zn-metal
battery
is
considered
as
a
promising
energy-storage
system.
However,
uncontrolled
zinc
dendrite
growth
the
main
cause
of
short-circuit
failure
in
aqueous
Zn-based
batteries.
One
most
efficient
and
convenient
strategies
to
alleviate
this
issue
introduce
appropriate
zincophilic
nucleation
sites
guide
metal
deposition
regulate
crystal
growth.
Herein,
work
proposes
Bi
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
484, P. 149390 - 149390
Published: Feb. 8, 2024
Rechargeable
Zinc
metal
batteries
have
emerged
as
promising
next-generation
energy
storage
devices,
attributed
to
their
affordability,
abundant
availability,
and
high
safety
profile.
However,
aqueous
anodes
encounter
challenges
such
dendrite
formation
electrolyte
corrosion.
This
study
addresses
these
by
introducing
a
biopolymer-based
hydrogel
electrolyte.
The
is
gelatin
(G)
hydrogel,
enriched
with
x%
β-cyclodextrin
(D)
grafted
onto
chitosan
(C),
designated
G(DC)x.
It
ensures
efficient
uniform
Zn2+
ion
transport
through
ionic
channels
the
zinc
anode
surface,
facilitating
of
parallel,
densely
arrayed
Zn
platelets
on
anode.
arrangement
minimizes
electrolyte-zinc
interface
area,
mitigating
interfacial
side
reactions
preventing
dead
formation.
enhanced
network
endows
considerable
mechanical
strength
(1.49
MPa)
extensive
stretchability
(400
%),
effectively
inhibiting
growth
penetration.
Additionally,
demonstrates
excellent
conductivity
at
24.89
mS
cm−1
notable
transference
number
0.49,
synergistically
improving
anode's
cycling
reversibility
lifespan.
Symmetric
cells
using
G(DC)2
electrolytes
exhibit
remarkable
stability,
exceeding
1200
h
1
mA
cm−2/1
cm−2.
Zn-I2
full
show
superior
performance,
maintaining
over
300
cycles
0.1
A
g−1
while
retaining
properties.
electrolytes,
degrading
85
%
in
weight
within
28
days,
also
biodegradability
soil.
Consequently,
renewable
biodegradable
G(DC)x
present
viable
alternative
liquid
paving
way
for
safer,
more
stable,
eco-friendly
batteries.
Abstract
Aqueous
zinc
metal
batteries
have
attracted
much
attention
in
the
field
of
large‐scale
energy
storage
due
to
their
abundant
resources,
high
safety,
low
cost,
and
theoretical
density.
However,
Zn
anodes
suffer
from
serious
problems
such
as
dendrite
growth,
hydrogen
evolution
reaction,
corrosion,
passivation.
Cu‐based
materials
a
wide
range
applications
excellent
zincophilicity.
Unfortunately,
relevant
review
on
anode
electrode
is
still
lacking.
This
focuses
progress,
issues,
optimization
strategies
anodes.
The
application
Cu
collectors
corresponding
modifications
are
also
highlighted.
Finally,
insights
future
directions
related
for
modified
presented
provide
scientific
guidance
research.
Journal of Materials Chemistry A,
Journal Year:
2023,
Volume and Issue:
12(4), P. 2172 - 2183
Published: Dec. 13, 2023
TiN
can
optimize
the
conductivity
of
MnO
2
,
while
reducing
Zn
2+
diffusion
barrier
and
improve
rate
performance.
The
lower
formation
energy
insertion
endows
a
capacity
retention
101.6%
over
2300
cycles
for
TiN@MnO
NWAs/CC.
Small,
Journal Year:
2023,
Volume and Issue:
20(13)
Published: Nov. 16, 2023
Achieving
stable
Zn
plating/stripping
under
high
current
density
and
large
area
capacity
remains
a
major
challenge
for
metal
anodes.
To
address
this
issue,
common
filter
paper
is
utilized
to
construct
3D
carbon
fiber
skeleton
film
modified
with
gradient
Cu
nanoparticles
(CFF@Cu).
The
original
zincophobic
hydrophilic
CFF
transformed
into
zincophilic
reversed
composite,
due
the
distribution
of
nanoparticles.
When
CFF@Cu
placed
above
foil
as
an
auxiliary
anode,
anode
exhibits
stable,
reversible,
dendrite-free
1200
h
at
10
mA
cm−2
2
mAh
cm−2,
2000
340
cm−2.
Additionally,
nucleation
barrier
Zn,
Zn2+
transport
deposition
kinetics
are
improved.
deposits
on
become
homogeneous,
dense,
fine.
Side
reactions
by-products
effectively
inhibited.
excellent
performance
mainly
attributed
field
in
CFF.
A
portion
captured
by
deposited
within
from
bottom
top,
which
reduces
homogenizes
flux
foil,
well
weakens
electric
foil.
