Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 27, 2024
Abstract
Aqueous
zinc‐ion
batteries
(AZIBs)
attract
attention
due
to
their
safety
and
high
specific
capacity.
However,
practical
applications
are
constrained
by
Zn
anode
corrosion,
dendritic
growth,
poor
high‐temperature
adaptability
induced
a
strong
hydrogen‐bond
network
in
aqueous
electrolytes.
In
this
work,
dual
polyanionic
gel
electrolyte
(denoted
as
PAM‐PAMPS‐10PD)
is
developed
capable
of
withstanding
temperatures
(100
°C)
situ
polymerization.
The
abundant
anionic
groups
the
greatly
improve
2+
transport
inducing
uniform
deposition
.
Then
addition
high‐boiling
molecular
crowding
agent
1,5‐pentanediol
(PD)
can
inhibit
water
activity
enhancing
hydrogen
bonding
with
H
2
O
changing
solvation
structure
corrosion.
As
result,
symmetric
battery
using
PAM‐PAMPS‐10PD
be
stably
cycled
for
at
least
500
h
100
°C
0.5
mA
cm
−2
/0.5
mAh
,
realizing
dendrite‐free
zinc
anodes
temperatures.
Moreover,
Zn–AC
full
has
capacity
retention
47.8%
after
3000
cycles
4
This
study
provides
beneficial
reference
design
high‐performance
electrolytes
establishes
solid
foundation
application
AZIBs.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 27, 2024
Abstract
Despite
the
widespread
adoption
of
Zn
anodes
for
aqueous
energy
storage,
presence
an
inherent
passivation
layer
and
polycrystalline
interface
commercial
foil
consistently
lead
to
non‐uniform
electrodeposition,
undermining
stability
practicality.
Herein,
study
introduces
a
chemically
polished
metal
anode
(CP‐Zn)
fabricated
via
simple
immersion
method.
This
“chemically
polishing”
process
can
effectively
remove
interfacial
(de‐passivation),
providing
ample
active
sites
plating/stripping
ensuring
uniformly
distributed
electric
field
2+
ion
flux.
Additionally,
selective
etching
during
chemical
polishing
exposes
more
(002)
crystal
planes,
promoting
homogeneous
smooth
zinc
deposition
while
suppressing
related
side
reactions.
Demonstrated
by
CP‐Zn
anode,
symmetric
cell
exhibits
stable
cycling
over
4600
h
at
1
mA
cm
−2
240
50%
depth
discharge
(DOD),
with
CP‐Zn||VO
2
full
maintaining
≈75.3%
capacity
retention
1000
cycles
3
A
g
−1
.
strategy
presents
promising
avenue
advancing
commercialization
zinc‐ion
batteries.
Advanced Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 21, 2024
Abstract
The
feasibility
of
aqueous
zinc‐ion
batteries
for
large‐scale
energy
storage
is
hindered
by
the
inherent
challenges
Zn
anode.
Drawing
inspiration
from
cellular
mechanisms
governing
metal
ion
and
nutrient
transport,
erythritol
introduced,
a
zincophilic
additive,
into
ZnSO
4
electrolyte.
This
innovation
stabilizes
anode
via
chelation
interactions
between
polysaccharides
2+
.
Experimental
tests
in
conjunction
with
theoretical
calculation
results
verified
that
additive
can
simultaneously
regulate
solvation
structure
hydrated
reconstruct
hydrogen
bond
network
within
solution
environment.
Additionally,
molecules
preferentially
adsorb
onto
anode,
forming
dynamic
protective
layer.
These
modifications
significantly
mitigate
undesirable
side
reactions,
thus
enhancing
transport
deposition
behavior.
Consequently,
there
notable
increase
cumulative
capacity,
reaching
6000
mA
h
cm⁻
2
at
current
density
5
cm
−2
Specifically,
high
average
coulombic
efficiency
99.72%
long
cycling
stability
>500
cycles
are
obtained
1
Furthermore,
full
comprised
MnO
cathode
an
erythritol‐containing
electrolyte
deliver
superior
capacity
retention.
work
provides
strategy
to
promote
performance
anodes
toward
practical
applications.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(40)
Опубликована: Май 10, 2024
Abstract
With
the
continuous
development
of
electrochemical
energy
storage
technology,
especially
in
current
pursuit
environmental
sustainability
and
safety,
aqueous
devices,
due
to
their
high
friendliness,
cost‐effectiveness,
are
becoming
an
important
direction
field
storage.
Diverse
application
scenarios
require
that
systems
be
capable
power
supply
under
low
temperature
conditions.
However,
conventional
electrolytes
freeze
at
extremely
temperatures,
causing
limited
ion
transport
slow
reaction
kinetics,
degrading
performance
system.
The
design
low‐temperature
anti‐freeze
has
become
effective
way
address
this
issue.
In
review,
deep
connection
between
hydrogen
bonds
(HBs)
interactions
liquid‐to‐solid
conversion
process,
fundamental
principles
mechanism
is
first
explored.
Subsequently,
a
systematic
categorization
discussion
strategies
for
conducted.
Finally,
potential
directions
proposed.
This
review
aims
provide
comprehensive
scientific
guidance
technical
reference
with
excellent
performance,
thereby
promoting
innovation
devices
environments.
Rechargeable
aqueous
zinc-ion
batteries
(ZIBs)
have
emerged
as
promising
candidates
for
energy
storage
due
to
their
low
cost,
high
safety,
and
theoretical
density.
However,
the
utilization
of
Zn
anodes
results
in
unsatisfied
rate
performance
cycling
stability
dendrites,
unsatisfactory
stripping/plating
efficiency,
gas
evolution.
Herein,
we
propose
a
novel
approach
construct
"rocking-chair"
ZIBs
with
h-WO3
non-Zn
anode
address
these
issues.
Metallic
nonmetallic
ion-doped
(Cu-NWO)
are
designed
deliver
capacity
an
intercalation
unique
delocalized
electronic
structure
active
sites.
Density
functional
theory
calculations
certify
that
Cu2+
preintercalation
can
strengthen
electrochemical
kinetics
simultaneously
reduce
diffusion
barriers
on
Zn2+
storage.
The
long
cycle
life
density
successfully
realize
self-powered
electrochromic
device,
making
them
more
suitable
practical
applications
smart
gird.
Energy & Environmental Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
This
work
proposes
a
novel
electrolyte
additive,
sulfobutylether-β-cyclodextrin,
which
remarkably
improves
the
cycling
stability
of
AZIBs
with
synergistic
effect
its
zincophilic
functional
groups
and
unique
adsorption
configuration.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 5, 2024
Abstract
Achieving
reversible
plating/stripping
of
zinc
(Zn)
anodes
is
crucial
in
aqueous
Zn‐ion
batteries
(AZIBs).
However,
undesired
dendrite
growth
and
parasitic
side
reactions
severely
deteriorate
battery
lifespan.
The
construction
stable
protective
coating
an
effective
strategy
to
enhance
anode
stability.
In
this
study,
a
multifunctional
nanodiamond
(ND)
inorganic
layer
designed
constructed
on
both
Zn
Cu
electrodes
that
can
effectively
inhibit
suppress
corrosion.
Experimental
results
theoretical
calculations
demonstrate
artificial
layer,
with
ultra‐high
surface
energy,
enables
the
controlled
creation
abundant
nucleation
sites
(in
order
10
12
cm
−2
)
for
homogenization
ion
flux
electric
field
anode.
It
found
ions
preferentially
adhere
diamond
surfaces
lower
diffusion
barriers,
leading
uniform
deposition.
A
symmetric
cell
ND‐protected
(Zn‐ND)
exhibits
behavior
impressive
duration
over
3600
h
at
1
mA
.
Furthermore,
MnO
2
||Zn
full
retains
90%
its
initial
capacity
after
3500
cycles
g
−1
,
assembled
hybrid
capacitor
operates
smoothly
65
000
These
underscore
potential
as
promising
solution
achieving
highly
batteries.
Advanced Materials,
Год журнала:
2024,
Номер
36(33)
Опубликована: Июнь 21, 2024
Abstract
Aqueous
Zn‐ion
batteries
(AZIBs)
are
considered
as
promising
candidates
for
the
next‐generation
large‐scale
energy
storage,
which,
however,
is
facing
challenge
of
instable
Zn
anodes.
The
anion
pivotal
in
stability
anodes,
which
not
being
paid
enough
attention
to.
Herein,
modulation
anions
reported
using
Hofmeister
series
supramolecular
chemistry
to
boost
It
found
that
right‐side
(e.g.,
OTf
−
)
can
enhance
2+
transference
number,
increase
Coulombic
efficiency,
facilitate
uniform
deposition,
reduce
freezing
point
electrolytes,
and
thereby
stabilize
More
importantly,
form
strong
interaction
with
β‐cyclodextrin
(β‐CD)
compared
left‐side
anions,
hence
addition
β‐CD
further
anodes
‐based
showing
enhancement
cycling
lifespan
Zn//Zn
symmetric
cells
more
than
45.5
times
those
without
β‐CD.
On
contrary,
show
worse
rate
performance
after
These
results
provide
an
effective
novel
approach
choosing
matching
additives
achieve
high‐performance
AZIBs
through
effect.
