Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 7, 2024
Rechargeable
zinc-ion
batteries
are
considered
an
ideal
energy
storage
system
due
to
their
low
cost
and
nonflammable
aqueous
electrolyte.
However,
dendrite
growth,
hydrogen
evolution
reaction,
self-corrosion
of
zinc
anode
brought
about
serious
safety
risks
including
short
circuits
electrode
expansion.
Therefore,
a
modified
host-design
strategy
with
3D
porous
structure
bulk-phase
penetrated
zincophilic
interface
is
proposed
boost
the
stability
lifetime
Zn
anode.
The
substrate
constructed
by
universal
HCl
etching
uniform
tight
Sn-penetrated
formed
effective
electron
beam
evaporation
(EBE).
can
ion
flux
Sn
coating
could
effectively
improve
deposition
behavior,
thus
inhibiting
risk
dendrites
growth
side
reaction.
As
result,
(3D
Zn@Sn)
exhibits
prolonged
galvanostatic
cycling
performance
up
4500
h
polarization
≈25
mV
(1
mA
cm
Nano Letters,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 18, 2024
Highly
stable
aqueous
Zn-ion
batteries
are
of
great
importance
for
commercial
applications.
The
challenging
issues
interfacial
side
reactions
and
rampant
dendrite
growth
cause
short
circuit
premature
failure
batteries.
Herein,
a
hydrated
deep
eutectic
electrolyte
is
formulated
to
tackle
such
problems,
which
adopts
1,3-propanediol
as
cosolvent.
1,3-Propanediol
molecules
can
enter
into
the
Zn
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 27, 2024
Abstract
Compared
with
prevailing
Zn
foil,
powders
(ZnP)
special‐shaped
tunability
and
large‐scale
processability
are
considered
promising
anodes
for
propelling
batteries,
but
face
the
issue
of
discrete
contact
between
particles
due
to
their
intrinsic
monodispersed
geometries.
Here
a
novel
biomimetic
quasi‐skin‐capillary
ZnP
anode
ionic‐electronic
conducting
full‐chain
networks
(ZnP‐FC)
is
designed,
characterized
by
an
aramid
nanofiber
(ANF)
surface
coating
(skin)
ZnP‐ANF
interwoven
inner
skeleton
(capillary).
The
epidermal
not
only
stabilizes
anode/electrolyte
interface
homogenize
2+
flux
shields
direct
H
2
O
also
extends
inward
as
capillary‐like
adhesive
anchor
affords
high
selectivity
boosting
plating/stripping
efficiency.
Benefiting
from
these
favorable
attributes,
ZnP‐FC||ZnP‐FC
cell
enables
kinetics
stable
ion
migration
afford
long‐term
operation
over
1650
h
at
5
mA
cm
−2
.
Moreover,
ZnP‐FC||KV
12
30‐
y
·nH
full
battery
harvests
high‐rate
capability
(15
A
g
−1
)
ultralong
cyclic
stability
(6000
cycles).
This
work
structural
engineering
landscape
powder
advanced
batteries.
Nanoscale Advances,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Based
on
its
unique
one-dimensional
configuration,
great
flexibility
and
high
safety,
fibrous
aqueous
batteries
have
been
recognized
as
a
promising
candidate
for
energy
sources
of
wearable
electronics
with
the
feature
carbon
nanomaterials.
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(22), P. 10428 - 10440
Published: Nov. 7, 2024
In
electrochemical
energy
storage,
two
factors─energy
density
and
power
density─have
received
significant
attention.
The
fabrication
of
hybrid
supercapacitors
(HSCs),
composed
battery-
capacitor-like
electrodes,
is
an
efficient
way
to
obtain
high
densities
in
a
single
device.
Currently,
multivalent
Zn2+
metal-ion
HSC
(ZHS)
has
attracted
increasing
attention
due
its
remarkable
benefits.
However,
various
challenges
remain
the
search
for
viable
electrode
materials
with
excellent
activity.
Accordingly,
W-
K-dual
ion-intercalated
layered
MnO2
introduced
as
battery-type
cathode
material
fabricating
high-performance
ZHS.
Optimized,
2W-KMO
ZHS
delivered
specific
capacity
∼67
mAh·g–1
at
current
0.5
A·g–1.
addition,
device
exhibits
∼499
W·kg–1
∼67.1
Wh·kg–1
lifespan
(∼91%
retention
after
10,000
charge–discharge
cycles
10
A·g–1).
This
study
opens
up
possibilities
design
high-performing
ZHSs
takes
step
forward
practical
application
HSC.
Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 7, 2024
Rechargeable
zinc-ion
batteries
are
considered
an
ideal
energy
storage
system
due
to
their
low
cost
and
nonflammable
aqueous
electrolyte.
However,
dendrite
growth,
hydrogen
evolution
reaction,
self-corrosion
of
zinc
anode
brought
about
serious
safety
risks
including
short
circuits
electrode
expansion.
Therefore,
a
modified
host-design
strategy
with
3D
porous
structure
bulk-phase
penetrated
zincophilic
interface
is
proposed
boost
the
stability
lifetime
Zn
anode.
The
substrate
constructed
by
universal
HCl
etching
uniform
tight
Sn-penetrated
formed
effective
electron
beam
evaporation
(EBE).
can
ion
flux
Sn
coating
could
effectively
improve
deposition
behavior,
thus
inhibiting
risk
dendrites
growth
side
reaction.
As
result,
(3D
Zn@Sn)
exhibits
prolonged
galvanostatic
cycling
performance
up
4500
h
polarization
≈25
mV
(1
mA
cm
