Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 12, 2024
Abstract
Achieving
ampere‐hour‐scale
capacities
in
pouch‐type
zinc–air
batteries
(ZABs)
requires
optimizing
key
factors,
such
as
preventing
inactive
ZnO
dendrite
formation
on
zinc
anodes
and
enhancing
catalytic
activity
with
efficient
gas
diffusion
the
air
cathode.
Here,
a
pioneering
flexible,
large‐area,
quasi‐solid‐state
ZAB
is
introduced,
addressing
these
challenges
through
novel
preactivation
strategy
combined
layered
assembly
approach.
This
method
employs
mass‐producible
fibrous
carbon
textiles
to
form
flexible
fabrics
that
separate
functions
within
multi‐stacked
layers.
Preactivated
fabric
layers,
independently
functionalized
easily
reassembled,
enhance
scalability
manufacturability.
A
bilayer
electrode,
incorporating
hydrophilic
NiFe
hydroxide
hydrophobic
FeNC
regions,
ensures
charge
mass
transfer,
significantly
boosting
activity.
To
prevent
anode,
zincophilic
copper
interlayer
implemented.
configuration
supports
rapid,
stable
charge–discharge
cycles
at
high
current
density
of
20
mA
cm⁻
2
.
The
large‐area
stacked
bipolar
structure
pouch
cells,
exceeding
36
cm
,
achieve
discharge
capacity
up
2500
mAh,
maintaining
cycle
stability
discharge–charge
200
mAh
per
cycle.
approach
enhances
scalability,
manufacturability,
production
potential
ultrahigh‐capacity
wearable
ZABs,
making
them
practical
for
widespread
application
various
portable
devices.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 7, 2025
Abstract
Solid‐state
zinc
ion
batteries
(ZIBs)
hold
great
potential
for
sustainable
and
high‐safety
reserves.
However,
the
advancement
of
solid‐state
ZIBs
is
constrained
by
shortage
reasonable
electrolytes
(SSE)
with
abundant
hopping
sites,
effective
hydrogen
evolution
reaction
(HER)
inhibition,
favorable
interfacial
compatibility.
Herein,
hydrogen‐bonded
organic
framework
(HOF)
CAM‐Ag
Zn
2+
sites
developed
as
SSE
ZIBs.
Taking
advantage
short‐distance
conduction
pathways
crystal
transformation
through
incorporating
Ag−N
coordinate
bonds,
achieves
a
significant
ionic
conductivity
1.14
×
10
−4
S
cm
−1
at
room
temperature
superior
transference
number
0.72.
An
bonds
network
effectively
inhibits
initiation
HER
subsequent
generation
by‐products.
Moreover,
rapid
kinetics
facilitated
inhibition
dendrite
growth,
promoting
uniform
distribution.
displays
an
extensive
electrochemical
stability
range
0–2.66
V
remarkable
compatibility,
enabling
stable
plating/stripping
≈1000
h
1
mA
−2
.
Consequently,
SSE‐based
achieve
specific
capacity
315
mAh
g
only
1.5%
decrease
in
capacitance
after
24
h.
The
proposed
HOF‐based
pathway
advancing
high‐performance
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 16, 2025
Abstract
Quasi‐solid‐state
Zn‐air
pouch
cells
(QZPCs)
promise
a
high
energy‐to‐cost
ratio
while
ensuring
inherent
safety.
However,
addressing
the
challenges
associated
with
exploring
superior
energy‐wise
cathode
catalysts
along
their
activity
origin,
and
super‐ionic
electrolytes
remains
fundamental
task.
Herein,
realistic
high‐performance
QZPCs
are
contrived,
underpinned
by
robust
NiVFeCo
medium‐entropy
metal
sulfides
(MESs)
bifunctional
air
record‐low
potential
polarization
of
0.523
V,
paired
sodium
polyacrylate‐ionic
liquid
hydrogel
exhibiting
exceptional
conductivity
(234
mS
cm
−1
)
water
retention
(93.8%
at
7
days)
room
temperature
as
conductor
electrolyte.
Through
combined
studies
in
situ
Raman,
ex
X‐ray
absorption
fine
structure
analysis,
theoretic
calculations,
an
intriguing
adaptive
active‐sites‐switching
mechanism
MESs
during
discharging/charging
processes
is
unveiled,
revealing
dynamic
role
transition
Co
Ni
active
sites
reversible
oxygen
electrocatalysis.
Consequently,
persistent
low
super
ion‐conductive
electrolyte
endorse
excellent
rate
performance
from
1
to
100
mA
−2
temperature.
Moreover,
impressively
cell‐level
energy
density
105
Wh
kg
cell
ultra‐long
cycle
lifespan
4000
cycles
5
−30
°C
achieved.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 29, 2025
Ionogels
represent
promising
materials
for
thermoelectric
generators
that
efficiently
convert
low-grade
heat
into
electricity
due
to
their
flexibility,
stability,
nonvolatility,
and
high
thermopower.
However,
improving
performance
presents
challenges
stemming
from
the
complex
interplay
between
ionic
conductivity
thermal
conduction.
In
this
study,
we
developed
a
highly
oriented
nanofibrous
ionogel
membrane
through
electrospinning
of
poly(ethylene
oxide)
(PEO)
blended
with
linear
CO2-derived
polycarbonate
oligomer
an
liquid,
ethylmethylimidazolium
dicyanamide.
The
liquid
facilitated
formation
aligned
nanofiber
structures,
which
demonstrated
superior
reduced
conduction
compared
bulk
counterparts,
primarily
size
effect
inherent
in
nanofibers.
Additionally,
incorporation
can
increase
amorphous
region
PEO
matrix
strengthen
ion-polymer
interaction
without
compromising
orientation
nanofibers
thanks
its
compatibility
abundance
electron-withdrawing
carbonate
groups.
This
strategy
effectively
decouples
conduction,
thereby
enhancing
efficiency
ionogels.
advancement
paves
way
development
ionogels
use
flexible
electronics
energy
harvesting
applications.
Highlights in Science Engineering and Technology,
Год журнала:
2024,
Номер
116, С. 132 - 141
Опубликована: Ноя. 7, 2024
Solid-state
batteries
(SSB)
have
garnered
significant
attention
by
reason
of
their
potential
advantages
over
traditional
liquid
electrolyte
batteries,
including
higher
energy
density,
enhanced
safety,
and
reduced
volume.
However,
the
development
implementation
solid
electrolytes
confront
several
challenges,
such
as
lower
ionic
conductivity,
dendrite
formation,
interface
stability
issues.
This
review
explores
current
advancements
in
(SLs),
with
a
focus
on
nanostructured
materials,
polymer
(SPEs),
inorganic
(SIEs),
composite
(CSEs).
The
highlights
benefits
nanostructuring
improving
mechanical
intensity,
conductivity
thermostability.
Key
methods
for
synthesizing
(NSLs),
sol-gel
method
3D
printing,
are
discussed.
Additionally,
addresses
critical
high
cost
materials
manufacturing
processes,
proposes
future
research
directions
to
overcome
these
barriers.
purpose
is
comprehensively
understand
status
NSL
promoting
SSB
technology.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 12, 2024
Abstract
Achieving
ampere‐hour‐scale
capacities
in
pouch‐type
zinc–air
batteries
(ZABs)
requires
optimizing
key
factors,
such
as
preventing
inactive
ZnO
dendrite
formation
on
zinc
anodes
and
enhancing
catalytic
activity
with
efficient
gas
diffusion
the
air
cathode.
Here,
a
pioneering
flexible,
large‐area,
quasi‐solid‐state
ZAB
is
introduced,
addressing
these
challenges
through
novel
preactivation
strategy
combined
layered
assembly
approach.
This
method
employs
mass‐producible
fibrous
carbon
textiles
to
form
flexible
fabrics
that
separate
functions
within
multi‐stacked
layers.
Preactivated
fabric
layers,
independently
functionalized
easily
reassembled,
enhance
scalability
manufacturability.
A
bilayer
electrode,
incorporating
hydrophilic
NiFe
hydroxide
hydrophobic
FeNC
regions,
ensures
charge
mass
transfer,
significantly
boosting
activity.
To
prevent
anode,
zincophilic
copper
interlayer
implemented.
configuration
supports
rapid,
stable
charge–discharge
cycles
at
high
current
density
of
20
mA
cm⁻
2
.
The
large‐area
stacked
bipolar
structure
pouch
cells,
exceeding
36
cm
,
achieve
discharge
capacity
up
2500
mAh,
maintaining
cycle
stability
discharge–charge
200
mAh
per
cycle.
approach
enhances
scalability,
manufacturability,
production
potential
ultrahigh‐capacity
wearable
ZABs,
making
them
practical
for
widespread
application
various
portable
devices.
