ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(51), С. 70618 - 70625
Опубликована: Дек. 11, 2024
Ion-selective
membranes
serve
as
key
materials
for
reverse
electrodialysis
(RED)
technology
in
osmotic
energy
harvesting,
and
the
search
a
class
of
that
are
economical,
highly
robust,
sustainable
has
been
relentless
goal
researchers.
In
this
work,
all-natural
biomass
(reed
membranes)
often
used
flute
diaphragm,
which
makes
produce
brighter
crisper
sound,
presenting
high
strength
elasticity.
Ultrathin
natural
reed
(thickness
≈4.06
μm)
were
selected
representative
due
to
their
impressive
mechanical
properties
with
top-level
combination
yield
(≈63.5
MPa)
strain
(∼2%)
among
all
reported
materials.
More
importantly,
there
numerous
nanoscale
pores
negatively
charged
−OH
groups
on
surface,
providing
tiny
nanofluidic
channels
efficient
cation
transmembrane
transport,
endow
membrane
excellent
selectivity
caution
stable
salinity-gradient
conversion
performance.
The
delivers
performance
power
output
density
22.2
W
m–2
500-fold
NaCl
concentration
well
stability
(power
maintained
at
98.53%
more
than
6000
s).
This
work
provides
strategy
ion-selective
terms
economy,
fabrication
simplicity,
stability,
potential
utility
various
applications
such
harvesting.
Abstract
Aqueous
zinc‐ion
batteries
(AZIBs)
have
emerged
as
a
promising
energy
storage
solution
owing
to
their
intrinsic
safety,
low
cost,
environmental
friendliness,
and
high
theoretical
specific
capacity.
However,
practical
application
is
hindered
by
uncontrollable
dendrite
growth
side
reactions
at
the
zinc
metal
anode.
To
address
these
challenges,
simple
cost‐effective
electrodeposition
strategy
proposed
construct
quaternary
Zn‐Cu‐Sn‐Bi
alloy
artificial
interface
layer
on
foil
(ZCSB@Zn)
anode
of
AZIBs.
Density
functional
theory
(DFT)
calculations
in
situ
optical
observation
confirm
that
this
dense
reduces
migration
barrier
weakens
hydrogen
adsorption,
facilitating
uniform
deposition
while
effectively
suppressing
formation.
The
symmetric
ZCSB@Zn
cell
exhibits
extraordinary
cycle
stability
exceeding
8000
h.
Furthermore,
assembled
ZCSB@Zn//CSB‐MnO
2
full
demonstrates
capacity
199
mAh
g
−1
1
A
,
maintaining
even
under
loading
10
mg
cm
−2
temperature
conditions
(50
°C).
This
study
presents
scalable
for
constructing
layers
anodes,
highlighting
potential
AZIB
applications.
Chemical Communications,
Год журнала:
2024,
Номер
60(54), С. 6847 - 6859
Опубликована: Янв. 1, 2024
Zinc
ion
batteries
(ZIBs)
have
emerged
as
promising
candidates
for
renewable
energy
storage
owing
to
their
affordability,
safety,
and
sustainability.
However,
issues
with
Zn
metal
anodes,
such
dendrite
growth,
hydrogen
evolution
reaction
(HER),
corrosion,
significantly
hinder
the
practical
application
of
ZIBs.
To
address
these
issues,
organic
solid
electrolyte
interface
(SEI)
layers
gained
traction
in
ZIB
community
they
can,
instance,
help
achieve
uniform
plating/stripping
suppress
side
reactions.
This
article
summarizes
recent
advances
artificial
SEI
including
fabrication
methods,
electrochemical
performance,
degradation
suppression
mechanisms.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 25, 2024
By
leveraging
principles
from
metal
grain
refinement,
we
introduce
a
transformative
technique
for
fabricating
poly(vinyl
alcohol)
(PVA)
hydrogels
via
supercooling-coupled
wet
annealing,
significantly
enhancing
their
mechanical
robustness
and
isotropy
while
maintaining
exceptionally
high
water
content.
Our
methodology
involves
the
dissolving
PVA
in
at
elevated
temperatures,
mirroring
homogeneity
achieved
with
molten
metal,
order
to
ensure
uniform
distribution
of
polymer
chains.
This
uniformity
facilitates
rapid
cooling
phase
that
generates
ultrafine
ice
crystals,
setting
stage
crucial
solvent
exchange
ethylene
glycol
(EG).
The
EG-mediated
supercooling
ensures
structure
integrity
induces
chains
aggregate
form
high-density
hydrogen
bonds,
leading
uniformly
distributed,
interconnected
network
crystallinity.
process
is
further
strengthened
by
EG-enabled
which
promotes
formation
densely
packed
crystalline
domains
within
network.
rigorous
yields
superior
properties,
including
tensile
strength
13.65
MPa
fracture
toughness
35.39
MJ
m
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 26, 2024
Lithium
(Li)
and
zinc
(Zn)
metals
are
emerging
as
promising
anode
materials
for
next-generation
rechargeable
metal
batteries
due
to
their
excellent
electronic
conductivity
high
theoretical
capacities.
However,
issues
such
uneven
ion
deposition
uncontrolled
dendrite
growth
result
in
poor
electrochemical
stability,
limited
cycle
life,
rapid
capacity
decay.
Biopolymers,
recognized
abundance,
cost-effectiveness,
biodegradability,
tunable
structures,
adjustable
properties,
offer
a
compelling
solution
these
challenges.
This
review
systematically
comprehensively
examines
biopolymers
protective
mechanisms
Li
Zn
anodes.
It
begins
with
an
overview
of
biopolymers,
detailing
key
types,
properties.
The
then
explores
recent
advancements
the
application
artificial
solid
electrolyte
interphases,
additives,
separators,
solid-state
electrolytes,
emphasizing
how
structural
properties
enhance
protection
improve
performance.
Finally,
perspectives
on
current
challenges
future
research
directions
this
evolving
field
provided.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 6, 2024
The
unstable
electrolyte-anode
interface,
plagued
by
parasitic
side
reactions
and
uncontrollable
dendrite
growth,
severely
hampers
the
practical
implementation
of
aqueous
zinc-ion
batteries.
To
address
these
challenges,
we
developed
a
regenerated
cellulose-based
artificial
interphase
with
synergistically
optimized
structure
surface
chemistry
on
Zn
anode
(RC@Zn),
using
facile
molecular
chain
rearrangement
strategy.
This
RC
features
drastically
increased
amorphous
region
more
exposed
active
hydroxyl
groups,
facilitating
rapid
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
13(5), С. 2388 - 2398
Опубликована: Дек. 9, 2024
A
robust
and
efficient
ion
transport
PTFE-based
separator
with
superior
stability
was
fabricated
for
zinc
hybrid
supercapacitors,
demonstrating
excellent
electrochemical
performance.
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 6, 2024
Abstract
The
unstable
electrolyte‐anode
interface,
plagued
by
parasitic
side
reactions
and
uncontrollable
dendrite
growth,
severely
hampers
the
practical
implementation
of
aqueous
zinc‐ion
batteries.
To
address
these
challenges,
we
developed
a
regenerated
cellulose‐based
artificial
interphase
with
synergistically
optimized
structure
surface
chemistry
on
Zn
anode
(RC@Zn),
using
facile
molecular
chain
rearrangement
strategy.
This
RC
features
drastically
increased
amorphous
region
more
exposed
active
hydroxyl
groups,
facilitating
rapid
2+
diffusion
homogeneous
interface
distribution,
thereby
enabling
dendrite‐free
deposition.
Additionally,
compact
texture
abundant
negatively
charged
effectively
shield
water
molecules
harmful
anions,
completely
preventing
H
2
evolution
corrosion.
superior
mechanical
strength
adhesion
also
accommodate
substantial
volume
changes
anodes
even
under
deep
cycling
conditions.
Consequently,
RC@Zn
electrode
demonstrates
an
outstanding
lifespan
over
8000
hours
at
high
current
density
10
mA
cm
−2
.
Significantly,
maintains
stable
90
%
depth
discharge
ensures
operation
full
cells
low
negative/positive
capacity
ratio
1.6.
study
provides
new
solution
to
construct
highly
metal
through
engineering.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(51), С. 70618 - 70625
Опубликована: Дек. 11, 2024
Ion-selective
membranes
serve
as
key
materials
for
reverse
electrodialysis
(RED)
technology
in
osmotic
energy
harvesting,
and
the
search
a
class
of
that
are
economical,
highly
robust,
sustainable
has
been
relentless
goal
researchers.
In
this
work,
all-natural
biomass
(reed
membranes)
often
used
flute
diaphragm,
which
makes
produce
brighter
crisper
sound,
presenting
high
strength
elasticity.
Ultrathin
natural
reed
(thickness
≈4.06
μm)
were
selected
representative
due
to
their
impressive
mechanical
properties
with
top-level
combination
yield
(≈63.5
MPa)
strain
(∼2%)
among
all
reported
materials.
More
importantly,
there
numerous
nanoscale
pores
negatively
charged
−OH
groups
on
surface,
providing
tiny
nanofluidic
channels
efficient
cation
transmembrane
transport,
endow
membrane
excellent
selectivity
caution
stable
salinity-gradient
conversion
performance.
The
delivers
performance
power
output
density
22.2
W
m–2
500-fold
NaCl
concentration
well
stability
(power
maintained
at
98.53%
more
than
6000
s).
This
work
provides
strategy
ion-selective
terms
economy,
fabrication
simplicity,
stability,
potential
utility
various
applications
such
harvesting.
