Advanced Functional Materials,
Год журнала:
2023,
Номер
33(26)
Опубликована: Март 16, 2023
Abstract
Artificial
interface
layer
engineering
is
an
efficacious
modification
strategy
for
protecting
zinc
anode
from
dendrite
growth
and
byproducts
formation.
However,
the
high
bulk
ionic
conductivity
of
most
artificial
interfacial
layers
mainly
contributed
by
movement
anions
(SO
4
2−
),
which
source
parasitic
reactions
on
anode.
Herein,
a
ion
donor
transition
(σZn
2+
=
3.89
×
10
−2
S
cm
−1
)
imidazole
polymeric
liquid
(1‐carboxymethyl‐3‐vinylimidazolium
bromide
monomer,
CVBr)
Zn
metal
protection
designed.
The
N
+
atom
rings
connected
chains
to
form
cavities
are
confined
within
these
cavities.
Thus,
hindering
effect
surrounding
units
leads
subdiffusive
regime,
inhibits
diffusion
SO
in
increases
transference
number.
Besides,
polycation‐anion
coordination
mechanism
PolyCVBr
ensures
accelerated
realizes
rapid
internal
migration
channel.
As
result,
Zn@CVBr||AM
symmetry
cells
deliver
(4.42
number
(tZn
0.88)
simultaneously.
Zn@CVBr||AM‐NaV
3
O
8
pouch
display
capacity
retention
88.9%
after
190
cycles
under
90°
bending,
verifying
their
potential
practical
application.
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(21)
Опубликована: Фев. 23, 2024
Abstract
The
active
H
2
O
and
slow
ion
kinetics
behavior
deteriorate
the
performance
of
aqueous
zinc‐ion
batteries
at
a
wide
temperature
range,
even
in
hydrogel
electrolyte.
Herein,
component
fluctuation
modulated
gelation
effect
is
applied
to
optimize
Zn
2+
solvation
structure,
realizing
balance
between
activity
limitation
retention.
as‐prepared
electrolyte
via
situ
copolymerization
[2‐(methacryloyloxy)ethyl]
dimethyl‐(3‐sulfopropyl)
acrylamide
salt
matrix
facilitates
stable
overall
both
normal
low
temperatures.
Theoretical
calculations
experimental
results
attest
that
polymer
functional
groups
exhibit
higher
efficacy
substituting
bound
water
solvated
shell
with
content
increasement,
thereby
alleviating
water‐associated
parasitic
reactions.
Furthermore,
abundant
zwitterionic
not
only
interacts
limit
hydrolysis,
but
also
constructs
separated
ionic
migration
channels
promote
uniform
fast
transport.
As
result,
electrolytes
plating/stripping
behaviors
over
1050
h
3000
25
−20
°C,
respectively.
full
achieve
capacity
retention
98.8%
2000
cycles
°C
stably
cycle
for
600
times
°C.
This
work
yields
novel
insights
into
development
design
electrolytes.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Фев. 2, 2024
Aqueous
rechargeable
Zn-metal
batteries
(ARZBs)
are
considered
one
of
the
most
promising
candidates
for
grid-scale
energy
storage.
However,
their
widespread
commercial
application
is
largely
plagued
by
three
major
challenges:
The
uncontrollable
Zn
dendrites,
notorious
parasitic
side
reactions,
and
sluggish
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(29)
Опубликована: Март 10, 2024
Abstract
The
practical
applications
of
aqueous
Zn/I
2
batteries
(AZIBs)
operating
within
a
wide
temperature
range
are
severely
hindered
by
the
uncontrolled
shutting
polyiodide
ions
(I
3
−
/
I
5
)
and
rampant
side
reactions.
In
this
study,
tolerant
polyanionic
hydrogel
(borax‐bacteria
cellulose
p
(AMPS‐AM))
with
ion
selective
permeability
is
designed
for
inhibiting
effect
reactions
under
extreme
temperatures
from
−50
to
50
°C.
zincophilic
R−SO
significantly
enhances
transport
Zn
2+
cations
promotes
uniform
growth
metal
along
(002)
plane.
Moreover,
abundant
hydrophilic
groups
in
hydrogels
effectively
suppress
both
hydrogen
evolution
reaction
formation
by‐products
reducing
water
reactivity.
Furthermore,
theoretical
calculations,
visualization
experiment
situ
Raman
spectroscopy
confirm
that
group
hinders
shuttle
process
/I
anions
through
electrostatic
repulsion.
Consequently,
gel
electrolyte
facilitates
ultra‐stable
full
cell
at
low
current
density
C
over
100
A
pouch
negative/positive
capacity
ratio
3.3
exhibits
stable
performance
350
cycles
an
impressive
high‐areal
2.03
mA
h
cm
−2
,
thereby
establishing
solid
foundation
its
applications.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 9, 2024
Abstract
With
the
wide
application
of
portable
electronic
devices,
zinc–ion
hybrid
supercapacitors
(ZIHCs)
have
aroused
great
interest.
However,
balancing
low‐temperature
performance
and
high
energy
density
ZIHCs
remains
a
huge
challenge.
Herein,
zwitterionic
hydrogel
electrolyte
(ZHE)
loaded
with
carboxymethylcellulose
MXene
is
designed
for
ZIHCs,
which
shows
excellent
frost
resistance
output
voltage.
Carboxymethylcellulose
enhance
flexibility
conductivity
electrolyte.
Moreover,
When
ZnCl
2
introduced
into
gel
electrolyte,
it
induces
an
increase
in
rate
ion
transport,
enables
broadening
operating
temperature
(−40
°C–25
°C).
As
result,
Zn//AC
based
on
ZHE
show
voltage
window
V,
(specific
capacity)
137
Wh
kg
−1
(247
F
g
),
potential
wearable
devices.
This
study
will
provide
effective
strategy
design
windows,
density,
practicality.
ACS Nano,
Год журнала:
2024,
Номер
18(33), С. 21779 - 21803
Опубликована: Авг. 12, 2024
Aqueous
zinc-ion
batteries
(AZIBs)
are
widely
regarded
as
desirable
energy
storage
devices
due
to
their
inherent
safety
and
low
cost.
Hydrogel
polymer
electrolytes
(HPEs)
cross-linked
polymers
filled
with
water
zinc
salts.
They
not
only
used
in
flexible
but
also
represent
an
ideal
electrolyte
candidate
for
addressing
the
issues
associated
Zn
anode,
including
dendrite
formation
side
reactions.
In
HPEs,
abundance
of
hydrophilic
groups
can
form
strong
hydrogen
bonds
molecules,
reducing
activity
inhibiting
decomposition.
At
same
time,
special
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(37)
Опубликована: Апрель 10, 2024
Abstract
As
a
promising
energy
storage
device,
an
aqueous
zinc
ion
battery
(AZIB)
still
suffers
dendrite
growth,
hydrogen
evolution,
and
corrosion.
Hydrogel
electrolyte
solves
the
above
issues
to
some
extent.
Nevertheless,
mechanical
properties
of
most
hydrogel
electrolytes
are
not
competitive
enough
meet
booming
demand
for
flexible
electronics.
In
this
work,
robust
“chain‐gear”
(PM‐HE)
crosslinked
by
polymeric
micelles
(PMs)
is
constructed,
in
which
PMs
serve
as
“gears”
form
structure
with
polyanion
chains.
Specifically,
support
molecular
chains,
constructing
hierarchically
porous
structures
opening
up
paths
Zn
2+
.
Apart
from
crosslinkers,
exist
mechanism
chains
promote
decoupling.
Such
can
realize
desolvation
accelerate
transport.
Thereby,
PM‐HE
possesses
excellent
ionic
conductivity
(60.6
mS
cm
−1
)
ultrahigh
transference
number
(0.88).
Symmetrical
cells
stable
cycling
over
1500
h
uniform
deposition.
Remarkably,
has
tensile
(0.23
MPa)
compressive
(11.3
profited
strengthening
toughening
effect
PMs.
The
supply
power
stably
under
harsh
conditions.
This
work
proposes
strategy
all‐around
based
on
reasonable
design
network
structure,
providing
more
possibilities
practical
application
AZIB.
