Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(30), С. 18968 - 18976
Опубликована: Янв. 1, 2024
A
scandium
acetate
electrolyte
additive
enables
the
improved
stability
of
Zn
metal
anodes
in
an
aqueous
ZnSO
4
with
suppressed
side
reactions
and
dendrite
formation
due
to
buffered
pH
value
homogenized
2+
distribution.
Energy & Environmental Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
A
superelastic,
high
ionic
conductivity
and
environment-friendly
hydrogel
electrolyte
is
developed
based
on
the
unique
advantages
of
α-helical
proteins.
ACS Energy Letters,
Год журнала:
2024,
Номер
9(6), С. 2816 - 2825
Опубликована: Май 20, 2024
Zinc
(Zn)
powder-based
anodes
have
garnered
considerable
attention
as
viable
alternatives
to
their
conventional
Zn
foil-based
counterparts.
However,
challenges
arising
from
undesirable
interfacial
side
reactions
and
dendritic
growth
hinder
practical
implementation.
Here,
we
present
a
class
of
liquid
metal-skinned
(LSZ)
powder
enabled
by
capillary
suspension.
The
suspension
strategy
can
overcome
the
miscibility
metal
with
other
components,
resulting
in
self-standing
uniform
LSZ
anode.
nanothick
eutectic
gallium–indium
(EGaIn)
skin
layer
on
powders
facilitated
horizontal
along
(002)
plane
mitigated
corrosion
hydrogen
evolution
reaction.
Consequently,
full
cell
(V2O5
cathode
∥
anode)
exhibited
stable
capacity
retention
per
cycle
99.99%
over
2000
cycles
at
fast
current
rate
1
A
g–1,
outperforming
those
previously
reported
aqueous
cells.
Batteries & Supercaps,
Год журнала:
2024,
Номер
7(6)
Опубликована: Март 11, 2024
Abstract
The
pursuit
of
alternative
anode
materials
featuring
inexpensive,
efficient,
and
adaptable
is
shaping
the
future
rechargeable
zinc‐ion
batteries.
Zn
powder
anodes
stand
out
among
contenders
due
to
their
cost‐effectiveness,
exceptional
processability,
adjustability.
However,
widespread
use
hampered
by
significant
challenges,
including
volume
expansion
dendrite
growth.
To
counter
these
issues,
a
gamut
optimization
strategies
for
has
been
explored
developed.
This
review
systematically
encapsulates
research
findings,
offering
comprehensive
understanding
various
enhancement
methods,
such
as
three‐dimensional
printing,
in‐situ
surface
engineering,
scalable
electrostatic
self‐assembly,
epoxy
oligomer
binding.
These
methodologies
are
discussed
in
detail
context
unique
synthesis
methods
underlying
mechanisms.
paper
concludes
outlining
prospective
trajectories
aimed
at
further
optimizing
aqueous
batteries,
thereby
illuminating
potential
avenues
exploration
development.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 21, 2025
Abstract
Aggressive
side
reactions
and
dendrite
growth,
associated
with
the
unstable
Zn
anode/electrolyte
interface,
have
impeded
practical
application
of
metal‐based
batteries.
Here,
a
donor‐acceptor
(D‐A)
polymer
is
employed
to
reconstruct
robust
supramolecular
(SP)
protective
layer
achieve
highly
stable
anodes.
The
D‐A
possessing
abundant
electron
donor
acceptor
sites
can
dynamically
co‐crosslink
water
molecules
2
⁺
through
multivalent
dipole
interactions
(MDIs),
resulting
in
formation
network.
MDIs
disrupt
original
strong
hydrogen‐bonding
network
within
polymer,
leading
reconfiguration
chain
conformations
an
increase
intermolecular
free
volume
exposing
more
widely
distributed
dipoles,
thereby
regulating
2+
desolvation
behavior
facilitating
rapid
uniform
plating.
Meanwhile,
resultant
endows
SP
ultra‐high
mechanical
modulus
10.4
GPa,
which
homogenize
stress
distribution
during
plating
process
for
effective
suppression.
Consequently,
SP‐assisted
asymmetric
cell
achieves
nearly
99.94%
Coulombic
efficiency
over
9000
cycles,
enabling
Zn/Zn
cycle
540
h
under
ultrahigh
92%
utilization.
Outstanding
cycling
stability
also
successfully
demonstrated
high
mass‐loading
(≈12.8
mg
cm
−2
)
pouch
cells,
further
demonstrating
its
prospects
applications.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 27, 2024
Abstract
The
challenge
of
inadequate
mechano‐electrochemical
stability
in
rechargeable
fibrous
Zn‐ion
batteries
(FZIBs)
has
emerged
as
a
critical
for
their
broad
applications.
Traditional
rigid
Zn
wires
struggle
to
maintain
stable
electrochemical
interface
when
subjected
external
mechanical
stress.
To
address
this
issue,
wet‐spinning
technique
been
developed
fabricate
powder
based
anode,
while
carbon
nanotubes
(CNTs)
introduced
enhance
the
spinnability
dispersion.
followed
annealing
treatment
conducted
reengineer
crystalline
texture
with
CNTs
assisted
surface
tension
regulation
redirect
(002)
crystallographic
textural
formation.
thus‐derived
annealed
Zn@CNTs
fiber
demonstrates
great
after
long‐term
bending
and
process.
fabricated
FZIB
remarkable
durability,
surpassing
800
h
at
1
mA
cm
−2
mAh
,
marginal
voltage
hysteresis
increase
21.7
mV
even
100
twisting
cycles
under
180
degree
angle.
assembled
full
cell
displays
an
88.6%
capacity
retention
long
cycle
series
bending,
knotting,
straightening
deformation.
It
also
woven
into
200
2
size
textile
demonstrate
its
capability
integrate
smart
textiles.