Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 12, 2024
Abstract
Despite
aqueous
electrolytes
offer
a
great
opportunity
for
large‐scale
energy
storage
owing
to
their
safety
and
cost‐effectiveness,
practical
application
suffers
from
the
parasitic
side
reactions
poor
temperature
adaptability
stemming
weak
hydrogen‐bond
(HB)
network
in
free
water.
Here,
we
propose
guiding
thought
“strong
replaces
weak”
design
hydrogen
bond‐anchored
electrolyte
by
introducing
sulfolane
(SL)
disrupting
regular
HB
contributing
superior
tolerance.
Judiciously
combined
experimental
characterization
theoretical
calculation
confirm
that
SL
can
remodel
primary
solvation
shell
of
metal
ions,
customize
stable
electrode
interface
chemistry
restrain
reactions.
Consequently,
symmetric
supercapacitor
constructed
activated
carbon
(AC)
electrodes
is
able
fully
work
within
voltage
range
2.4
V
reach
high
capacitance
retention
89.8
%
after
60000
cycles.
Additionally,
Zn
anodes
exhibit
ultra‐stable
plating/stripping
behaviors
wide
(−20–60
°C),
zinc‐ion
capacitor
(Zn//AC)
also
delivers
an
excellent
cycling
stability
with
capacity
99.7
55000
cycles,
implying
designed
has
potential
extreme
environments.
This
proposes
novel
critical
strategy
paves
route
construction
wide‐temperature
devices.
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 9, 2025
Abstract
Aqueous
zinc‐ion
batteries
have
garnered
significant
attention
due
to
their
abundant
materials,
low
production
costs,
and
safety.
However,
these
suffer
from
severe
side
reactions,
which
are
closely
associated
with
the
presence
of
a
substantial
amount
solvent
at
electrode
surfaces.
Herein,
1,4,7,10,13,16‐hexaoxacyclooctadecane
(18‐crown‐6)
is
added
electrolyte
illustrate
both
theoretically
experimentally
its
contribution
rapid
desolvation
aspect.
It
shown
that
addition
18‐crown‐6
greatly
facilitates
solvated
structure
prevents
collection
molecules
on
surface
zinc
anode,
thus
inhibiting
hydrogen
precipitation
reaction.
also
enhances
transference
number
ions,
makes
interfacial
electric
field
anode
stable
promotes
orderly
diffusion
uniform
nucleation
Zn
2+
,
inhibits
growth
dendrites.
As
result,
containing
as
additives
shows
cycle
life,
Zn||Zn
symmetric
cell
cycled
for
nearly
1700
h
1
mA
cm
−2
showing
improvement
in
Coulombic
efficiency.
The
assembled
Zn||NH
4
V
O
10
exhibits
excellent
electrochemical
performance,
reaching
capacity
100.9
mAh
g
−1
even
after
4000
cycles
10.0
A
.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 21, 2024
Abstract
The
electrode
interface
concentration
polarization
attributed
to
the
contradiction
between
sluggish
mass
transfer
process
and
rapid
electrochemical
reduction
kinetics
significantly
restricts
practical
application
of
Zn
anode.
Creating
a
moderate
ions
chemistry
is
essential
for
durable
zinc‐ion
batteries.
In
this
work,
trade‐off
effect
realized
by
selecting
large‐size
4‐Aminomethyl
cyclohexanecarboxylic
acid
(AMCA)
molecule
as
electrolyte
additive.
Intriguingly,
AMCA
molecules
reorganize
2+
solvation
structure
via
robust
coordination
with
reconstruct
H‐bond
networks,
giving
pulled
desolvation
process.
Meanwhile,
enlarges
size
push
force,
confining
kinetics.
balanced
chemical
environment
maintained
pull‐push
interplay.
Besides,
can
anchor
on
zinc
surface
create
water‐poor
microenvironment,
fostering
homogeneous
(002)
deposition
effectively
restricting
water‐induced
side‐reactions.
Notably,
Zn||Zn
symmetric
cell
operates
stably
over
167
days
at
20
mA
cm
−2
.
Moreover,
Zn||VOX
full
employed
ensures
outstanding
capacity
retention
99.15%
after
590
cycles
2
A
g
−1
,
even
low
N/P
(4.3),
lean
(50
µL
mAh
)
ultrathin
foil
10
µm.
This
work
reveals
unique
insights
into
interfacial
design
toward
high‐performance
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 24, 2024
Abstract
The
application
of
zinc‐ion
batteries
(ZIBs)
is
seriously
challenged
by
the
poor
stability
Zn
anode
and
cathode
in
aqueous
solution,
which
closely
associated
with
electrolyte
structure
water
reactivity.
Herein,
issues
both
for
can
be
simultaneously
addressed
via
tuning
solvation
hybrid
tripropyl
phosphate
(TPP)
as
co‐solvent.
On
anode,
a
robust
poly‐inorganic
solid
interphase
(SEI)
layer
comprised
3
(PO
4
)
2
‐ZnS‐ZnF
species
situ
formed,
effectively
suppressing
parasitic
reaction
dendrite
evolution.
For
V
O
5
cathode,
notorious
vanadium
dissolution
restricted
improved
achieved.
optimized
facilitates
reversible
redox
kinetics
at
anode.
Consequently,
Zn||Zn
cells
display
extended
cycling
lifespans
over
3000
h
1
mA
cm
−2
,
mAh
.
Zn||V
full
deliver
high
capacity
261.8
g
−1
hold
retention
73.6%
upon
500
cycles
even
operated
harsh
conditions
thin
(10
µm)
low
negative/positive
(N/P)
ratio
≈4.3,
also
showcase
impressive
performance
regard
to
rate
storage
performance,
further
emphasizing
potential
regulation
tactics
advancing
commercialization
ZIBs.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 20, 2025
Aqueous
zinc
ion
batteries
(AZIBs)
face
challenges
due
to
the
limited
interface
stability
of
Zn
anode,
which
includes
uncontrolled
hydrogen
evolution
reaction
(HER)
and
excessive
dendrite
growth.
In
this
study,
a
natural
binary
additive
composed
saponin
anisaldehyde
is
introduced
create
stable
interfacial
adsorption
layer
for
protection
via
reshaping
electric
double
(EDL)
structure.
Saponin
with
rich
hydroxyl
carboxyl
groups
serves
as
"anchor
points",
promoting
through
intermolecular
bonding.
Meanwhile,
anisaldehyde,
unique
aldehyde
group,
enhances
HER
suppression
by
preferentially
facilitating
electrocatalytic
coupling
H*
in
EDL,
leading
formation
robust
inorganic
solid
electrolyte
interphase
that
prevents
formation,
structural
during
deposition
process
verified.
As
result,
Zn||Zn
symmetric
cells
present
an
ultra-long
cycling
lifespan
3
400
h
at
1
mA
cm-2
700
10
cm-2.
Even
current
density
20
cm-2,
demonstrate
reversible
operations
450
h.
Furthermore,
Zn-ion
hybrid
capacitors
exhibit
remarkable
100
000
cycles.
This
work
presents
simple
synergetic
strategy
enhance
anode/electrolyte
stability,
highlighting
its
potential
anode
high-performance
AZIBs.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 12, 2024
Abstract
Despite
aqueous
electrolytes
offer
a
great
opportunity
for
large‐scale
energy
storage
owing
to
their
safety
and
cost‐effectiveness,
practical
application
suffers
from
the
parasitic
side
reactions
poor
temperature
adaptability
stemming
weak
hydrogen‐bond
(HB)
network
in
free
water.
Here,
we
propose
guiding
thought
“strong
replaces
weak”
design
hydrogen
bond‐anchored
electrolyte
by
introducing
sulfolane
(SL)
disrupting
regular
HB
contributing
superior
tolerance.
Judiciously
combined
experimental
characterization
theoretical
calculation
confirm
that
SL
can
remodel
primary
solvation
shell
of
metal
ions,
customize
stable
electrode
interface
chemistry
restrain
reactions.
Consequently,
symmetric
supercapacitor
constructed
activated
carbon
(AC)
electrodes
is
able
fully
work
within
voltage
range
2.4
V
reach
high
capacitance
retention
89.8
%
after
60000
cycles.
Additionally,
Zn
anodes
exhibit
ultra‐stable
plating/stripping
behaviors
wide
(−20–60
°C),
zinc‐ion
capacitor
(Zn//AC)
also
delivers
an
excellent
cycling
stability
with
capacity
99.7
55000
cycles,
implying
designed
has
potential
extreme
environments.
This
proposes
novel
critical
strategy
paves
route
construction
wide‐temperature
devices.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 10, 2025
Abstract
Aqueous
zinc
(Zn)
batteries
hold
significant
promise
as
large‐scale
energy
storage
solutions
aimed
at
mitigating
the
intermittency
of
renewable
energy.
Nevertheless,
Zn
anode
is
plagued
by
a
series
adverse
reactions,
hindering
development
toward
practical
applications.
Herein,
concept
polyetheramine
nematic
spatial
effects
that
reshape
inner
and
outer
Helmholtz
planes
to
stabilize
introduced.
Theoretical
calculations
characterizations
confirm
reshaped
exhibit
water/suflate‐repulsive
homogeneous
2+
transport
interface,
enabling
highly
stable
for
energetic
batteries.
Consequently,
anode‐free
half‐cells
under
achieve
cycling
over
390
h
an
areal
capacity
50
mAh
cm
−2
1500
10
.
The
constructed
Zn‐V
2
O
5
Zn‐MnO
cycle
performance
1000
2000
cycles,
respectively.
Importantly,
enlarged
pouch
cell
with
300
demonstrates
specific
176
g
−1
after
cycles.
Moreover,
displays
successful
integration
photovoltaic
panels
along
notable
safety
features.
This
superior
electrical
double‐layer
regulation
strategy
offers
valuable
insights
into
Abstract
Aqueous
Zn
metal
batteries
are
attracting
tremendous
interest
as
promising
energy
storage
systems
due
to
their
intrinsic
safety
and
cost‐effectiveness.
Nevertheless,
the
reversibility
of
anodes
(ZMAs)
is
hindered
by
water‐induced
parasitic
reactions
dendrite
growth.
Herein,
a
novel
hydrated
eutectic
electrolyte
(HEE)
consisting
Zn(BF
4
)
2
·xH
O
sulfolane
(SL)
developed
prevent
side
achieve
outstanding
cyclability
ZMAs.
The
strong
coordination
between
2+
SL
triggers
feature,
enabling
low‐temperature
availability
HEEs.
restriction
BF
−
hydrolysis
in
system
can
realize
favorable
compatibility
‐based
Besides,
newly‐established
solvation
structure
with
participation
SL,
H
O,
,
induce
situ
formation
desirable
SEI
gradient
B,O‐rich
species,
ZnS,
ZnF
offer
satisfactory
protection
toward
Consequently,
HEE
allows
Zn||Zn
symmetric
cell
cycle
over
1650
h
at
mA
cm
−2
1
.
Moreover,
Zn||NH
V
10
full
deliver
prolonged
lifespan
for
1000
cycles
high
capacity
retention
83.4%.
This
work
represents
feasible
approach
elaborate
design
advanced
next‐generation
batteries.
