ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(32), P. 43026 - 43037
Published: Aug. 2, 2024
The
aqueous
zinc-ion
batteries
(ZIBs)
have
gained
increasing
attention
because
of
their
high
specific
capacity,
low
cost,
and
good
safety.
However,
side
reactions,
hydrogen
evolution
reaction,
uncontrolled
zinc
dendrites
accompanying
the
Zn
metal
anodes
impeded
applications
ZIBs
in
grid-scale
energy
storage.
Herein,
poly(3,4-ethylenedioxythiophene)
(PEDOT)
nanowires
as
an
interfacial
layer
on
anode
(Zn-PEDOT)
are
reported
to
address
above
issues.
Our
experimental
results
density
functional
theory
simulation
reveal
that
interactions
between
Journal of Metals Materials and Minerals,
Journal Year:
2024,
Volume and Issue:
34(2), P. 2009 - 2009
Published: June 4, 2024
Zn
metal
batteries
and
capacitors
(ZMBs/ZMCs)
are
gaining
significant
attention
due
to
their
low
cost,
high
safety,
theoretical
capacity.
However,
the
utilization
of
decreases
coulombic
efficiency.
Here,
we
present
a
novel
approach
enhance
conductivity
host
materials
by
utilizing
3D
conductive
structural
network
copper
mesh.
The
mesh
serves
as
high-conductive
matrix
additionally
coating
it
with
source.
Finally,
flexible
reduced
graphene
oxide
(rGO)
was
deposited
on
Zn-coated
an
anode
protective
layer.
renders
fast
plating/stripping
enables
more
contact
electrolyte.
rGO
film
alleviates
local
charge
accumulation
inhibits
corrosion.
As
result,
modified
(RCZ)
exhibited
longer
lifespan
200
h
than
planar
foil
which
cycled
only
for
30
h.
RCZ||AC
full
capacitor
obtained
capacity
retention
97.9%
after
9000
times
cycling.
RCZ
integrates
merits
structure
realizing
dual-functionalized
anode.
strategy
sheds
light
other
batteries.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(25), P. 16063 - 16090
Published: June 13, 2024
Aqueous
zinc-ion
batteries
(AZIBs)
have
emerged
as
one
of
the
most
promising
candidates
for
next-generation
energy
storage
devices
due
to
their
outstanding
safety,
cost-effectiveness,
and
environmental
friendliness.
However,
practical
application
zinc
metal
anodes
(ZMAs)
faces
significant
challenges,
such
dendrite
growth,
hydrogen
evolution
reaction,
corrosion,
passivation.
Fortunately,
rapid
rise
nanomaterials
has
inspired
solutions
addressing
these
issues
associated
with
ZMAs.
Nanomaterials
unique
structural
features
multifunctionality
can
be
employed
modify
ZMAs,
effectively
enhancing
interfacial
stability
cycling
reversibility.
Herein,
an
overview
failure
mechanisms
ZMAs
is
presented,
latest
research
progress
in
protecting
comprehensively
summarized,
including
electrode
structures,
layers,
electrolytes,
separators.
Finally,
a
brief
summary
optimistic
perspective
are
given
on
development
This
review
provides
valuable
reference
rational
design
efficient
promotion
large-scale
AZIBs.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(48)
Published: July 14, 2024
Abstract
Zn
anodes
in
aqueous
zinc‐ion
batteries
chronically
suffer
from
pernicious
side
reactions
and
ineluctable
dendrite
growth,
resulting
inadequate
reversibility
suboptimal
Coulombic
efficiency
(CE)
impeding
commercialization.
Herein,
a
multifunctional
metal–organic
coordination
polymer
layer
(FAZ)
is
constructed
on
the
zinc
anode
surface
(FAZ@Zn)
utilizing
simple
self‐assembly
strategy.
The
zincophilic
FAZ
interfacial
with
high
2+
transfer
number
low
nucleation
barrier
effectively
facilitates
de‐solvation
process,
supports
rapid
transport
of
ions,
contributes
to
preferential
growth
(002)
crystal
planes,
enabling
dendrite‐free
deposition.
Furthermore,
layer,
as
an
pH
regulating
inhibits
direct
contact
between
active
water
molecules,
lowering
severity
reactions.
Consequently,
FAZ@Zn
furnishes
eminent
cycle
stability
over
6900
h,
polarization
voltage
at
1
mA
cm
−2
h
boosted
CE
99.88%
4100
cycles.
More
encouragingly,
when
coupled
Na
2
V
6
O
16
·3H
O,
enables
full
cell
deliver
satisfactory
rate
performance
97%
capacity
retention
1600
This
work
provides
strategy
for
effective
preparation
highly
reversible
high‐performance
batteries.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 16, 2025
Abstract
Multi‐heteroatom‐doped
metal‐free
carbons
with
well‐tailored
electronic
structures
are
regarded
as
promising
oxygen
reduction
reaction
(ORR)
catalysts.
However,
their
active
sites
often
hindered
by
the
carbon
matrix,
resulting
in
reduced
catalytic
activity.
Herein,
nitrogen,
phosphorus,
and
sulfur
tri‐doped
hollow
hierarchical
porous
nanofibers
(NPS‐HPCNFs)
interpenetrated
pores
synthesized
using
a
facile
coaxial
electrospinning
method.
The
distinctive
steric
confinement
induced
created
positive
microenvironment
for
ORR.
As
result,
resultant
NPS‐HPCNF
catalyst
exhibits
half‐wave
potential
(
E
1/2
)
of
0.86
V
(vs.
RHE)
superb
long‐term
stability
0.1
m
KOH.
Furthermore,
zinc‐air
battery
(ZAB)
assembled
achieves
great
peak
power
density
210
mW
cm
−2
superior
specific
capacity
795
mAh
g
−1
,
outperforming
commercial
Pt/C
candidate.
In
addition,
functional
theory
(DFT)
calculations
reveal
that
synergistic
effect
N,
P,
S
tri‐doping
combined
defect
effectively
regulated
structure
significantly
enhanced
*
OOH
adsorption,
thus
accelerating
ORR
process.
Therefore,
abundant
represent
eco‐friendly
alternative
to
state‐of‐the‐art
electrocatalysts
various
electrochemical
energy
applications.
The
construction
of
artificial
solid
electrolyte
interfaces
on
zinc
anodes
is
recognized
as
an
effective
strategy
to
mitigate
dendrite
formation
and
side
reactions;
however,
existing
methods
are
often
complex
time-consuming.
In
this
study,
we
successfully
fabricated
a
highly
stable
Sn–Al
sol
protective
layer
the
surface
anode
using
simple
spray-coating
technique.
This
significantly
enhances
electrochemical
performance
symmetric
cells,
achieving
cycling
for
over
2500
h
at
1
mA
cm–2.
Zn//Cu
half-cells,
coating
improves
charge–discharge
efficiency
stability,
with
500
950
cycles
5
cm–2,
respectively.
average
during
reaches
95.7%,
in
contrast
85.0%
bare
Zn,
indicating
improved
utilization
Zn2+.
Additionally,
offers
enhanced
corrosion
resistance
effectively
promotes
uniform
Zn2+
growth
along
(101)
crystal
plane,
reducing
formation.
Overall,
approach
presents
significant
potential
high-stability
modifications
anodes,
offering
novel
industrial
application
zinc-ion
batteries.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(10)
Published: Jan. 18, 2024
Abstract
The
advancement
of
highly
secure
and
inexpensive
aqueous
zinc
ion
energy
storage
devices
is
impeded
by
issues,
including
dendrite
growth,
hydrogen
evolution
corrosion
anodes.
It
essential
to
modify
the
interface
anodes
that
homogenizes
flux
facilitates
reversible
planarized
deposition
stripping.
Herein,
coupling
coordination
with
acid‐base
neutralization
under
driving
electrophoresis,
manageable
mesoscopic
phase
separation
for
constructing
chitosan
frameworks
was
achieved,
thereby
fabricating
interconnected
mesoporous
membranes
based
heterogeneous
quasi‐solid‐state
electrolytes
integrated
framework
constructed
twisted
nanofiber
bundles,
forming
a
three‐dimensional
continuous
spindle‐shaped
pore
structure.
With
this
framework,
electrolyte
provides
exceptional
conductivity
25.1
mS
cm
−1
,
puncture
resistance
strength
2.3
GPa.
In
addition,
amino
groups
molecule
can
make
surface
positively
charged.
Thus,
successfully
induced
synergistic
effect
stress
constraint
electrostatic
modulation.
As
result,
as‐assembled
capacitor
has
an
excellent
cycle
life
sustains
capacity
over
95
%
after
20000
cycles
at
current
density
5
A
g
.
This
research
presents
constructive
strategy
stable
electrolytes‐integrated
