ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 4, 2025
The
solid-electrolyte
interphase
(SEI)
strongly
determines
the
stability
and
reversibility
of
aqueous
Zn-ion
batteries
(AZIBs).
In
traditional
electrolytes,
nonuniform
SEI
layer
induced
by
severe
parasitic
reactions,
such
as
hydrogen
evolution
reaction
(HER),
will
exacerbate
side
reactions
on
Zn
anodes,
thus
leading
to
low
zinc
utilization
ratios
(ZURs).
Herein,
we
propose
use
methoxy
ethylamine
(MOEA)
a
nucleophilic
additive,
which
has
stronger
characteristic
than
water,
with
advantage
an
abundance
atoms.
Helmholtz
plane
(HP)
anode
can
be
manipulated
via
adsorption
MOEA,
excludes
free
water
from
HP
due
its
strong
affinity
metallic
Zn.
Benefiting
optimization
HP,
are
greatly
suppressed,
smooth
constructed,
enabling
work
at
high
ZURs
areal
capacities.
Consequently,
Zn||Cu
asymmetric
cell
exhibits
extremely
cumulative
plating
capacity
4
Ah
cm–2
10
mA
average
Coulombic
efficiency
(CE)
99.8%.
Zn||Zn
symmetric
achieves
maximum
ZUR
80%
20
mAh
for
130
h,
accounting
boosted
Zn||V2O5
Zn||AC
full
cells
under
N/P
ratios.
Our
strategy
electrolyte
additives
opens
path
developing
durable
ZURs.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 12, 2024
Abstract
The
stability
and
reversibility
of
Zn
anode
can
be
greatly
improved
by
in
situ
construction
solid
electrolyte
interphase
(SEI)
on
surface
via
a
low‐cost
design
strategy
ZnSO
4
electrolyte.
However,
the
role
hydrogen
bond
acceptor
‐SO
3
accompanying
ZnS
formation
during
SEI
reconstruction
is
overlooked.
In
this
work,
we
have
explored
revealed
new
formed
sulfide
composite
(SCSEI)
electrochemistry
aqueous
electrolytes.
Structure
characterization
DFT
demonstrate
that
introduction
not
only
reduce
dehydration
energy
[Zn(H
2
O)
6
]
2+
,
but
also
enhance
ZnS/Zn
interface
homogenize
electric
field,
thereby
significantly
improving
dynamic
kinetics
uniform
deposition
.
Owing
to
synergistic
effect
high
cycling
1500
h
with
cumulative‐plated
capacity
7.5
Ah
cm
−2
at
10
mA
has
been
achieved
within
symmetrical
cell.
Furthermore,
full
cell
NH
V
O
cathode
exhibits
outstanding
cyclic
stability,
exceeding
2000
cycles
5
A
g
−1
maintaining
Coulombic
efficiency
100
%.
These
insights
into
anionic
could
practical
application
zinc‐ion
batteries.
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Апрель 22, 2025
Abstract
Rechargeable
zinc
(Zn)-ion
batteries
(RZIBs)
with
hydrogel
electrolytes
(HEs)
have
gained
significant
attention
in
the
last
decade
owing
to
their
high
safety,
low
cost,
sufficient
material
abundance,
and
superb
environmental
friendliness,
which
is
extremely
important
for
wearable
energy
storage
applications.
Given
that
HEs
play
a
critical
role
building
flexible
RZIBs,
it
urgent
summarize
recent
advances
this
field
elucidate
design
principles
of
practical
This
review
systematically
presents
development
history,
fundamentals,
functional
designs,
challenges,
prospects
HEs-based
RZIBs.
Firstly,
species,
mechanisms
are
discussed,
along
compatibility
Zn
anodes
various
cathodes.
Then,
designs
harsh
conditions
comprehensively
including
high/low/wide-temperature
windows,
mechanical
deformations
(e.g.,
bending,
twisting,
straining),
damages
cutting,
burning,
soaking).
Finally,
remaining
challenges
future
perspectives
advancing
RZIBs
outlined.
Angewandte Chemie,
Год журнала:
2024,
Номер
136(39)
Опубликована: Июнь 13, 2024
Abstract
The
aqueous
zinc‐iodine
battery
is
a
promising
energy
storage
device,
but
the
conventional
two‐electron
reaction
potential
and
density
of
iodine
cathode
are
far
from
meeting
practical
application
requirements.
Given
that
rich
in
redox
reactions,
activating
high‐valence
has
become
research
direction
for
developing
high‐voltage
batteries.
In
this
work,
by
designing
multifunctional
electrolyte
additive
trimethylamine
hydrochloride
(TAH),
stable
four‐electron‐transfer
I
−
/I
2
+
reactions
with
high
theoretical
specific
capacity
achieved
through
unique
amine
group,
Cl
bidentate
coordination
structure
(TA)ICl.
Characterization
techniques
such
as
synchrotron
radiation,
situ
Raman
spectra,
DFT
calculations
used
to
verify
mechanism
structure.
This
stabilizes
zinc
anode
promoting
desolvation
process
shielding
mechanism,
enabling
cycle
steadily
at
maximum
areal
57
mAh
cm
−2
97
%
utilization
rate.
Finally,
Zn−I
full
cell
achieves
5000
cycles
an
N/P
ratio
2.5.
contributes
further
development
ACS Applied Energy Materials,
Год журнала:
2024,
Номер
7(17), С. 7496 - 7504
Опубликована: Авг. 20, 2024
Aqueous
zinc-ion
batteries
(ZIBs)
face
significant
challenges
of
Zn
dendrite
formation,
electrode
passivation,
and
corrosion.
Herein,
we
introduce
a
composite
separator
composed
titanium
nitride
(TiN)
cellulose
nanofiber
(CNF),
termed
TN5,
designed
to
enhance
the
performance
ZIBs.
The
TN5
separator,
with
thickness
approximately
45
μm,
combines
low
cost,
high
thermal
stability,
flexibility.
Experimental
theoretical
analyses
demonstrate
that
improves
Zn2+
ion
diffusion
ensures
uniform
plating,
effectively
mitigating
side
reactions.
Zn//Zn
symmetric
cells
using
achieve
exceptional
cycling
life
spans
2500
h
at
0.5
mA
cm–2
1000
5
cm–2,
significantly
outperforming
CNF
separators.
Additionally,
Zn//NVO
full
separators
exhibit
superior
discharge
capacity
stability.
enhanced
is
attributed
improved
wettability,
reduced
concentration
polarization,
promotion
(002)
plane
deposition.
This
study
provides
comprehensive
approach
developing
high-performance,
cost-effective
for
ZIBs,
offering
insights
into
stabilization
anodes
advancement
aqueous
battery
technology.
National Science Review,
Год журнала:
2024,
Номер
12(1)
Опубликована: Ноя. 11, 2024
ABSTRACT
Aqueous
zinc
batteries
offer
promising
prospects
for
large-scale
energy
storage,
yet
their
application
is
limited
by
undesired
side
reactions
at
the
electrode/electrolyte
interface.
Here,
we
report
a
universal
approach
in
situ
building
of
an
interphase
(EEI)
layer
on
both
cathode
and
anode
through
self-polymerization
electrolyte
additives.
In
exemplified
Zn||V2O5·nH2O
cell,
reveal
that
glutamate
additive
undergoes
radical-initiated
electro-polymerization
polycondensation
anode,
yielding
polyglutamic
acid-dominated
EEI
layers
electrodes.
These
effectively
mitigate
interfacial
while
enhancing
reaction
kinetics,
enabling
cells
to
achieve
high
capacity
387
mAh
g−1
0.2
A
maintain
>96.3%
retention
after
1500
cycles
1
g−1.
Moreover,
this
interphase-forming
exhibits
broad
applicability
varied
materials,
encompassing
VS2,
VS4,
VO2,
α-MnO2,
β-MnO2
δ-MnO2.
The
methodology
utilizing
self-polymerizable
additives
construct
robust
opens
novel
pathway
engineering
electrode
stabilization
aqueous
batteries.
Abstract
Aqueous
Zn‐ion
batteries
(AZIBs)
are
promising
candidates
for
grid‐scale
energy‐storage
applications,
but
uneven
Zn
2+
flux
distribution
and
undesirable
water‐related
interfacial
side
reactions
seriously
hinder
their
practical
application.
Herein,
a
strategy
of
regulating
the
coordination
interaction
between
artificial
interphase
layers
(AILs)
to
modulate
desolvation/transport
behaviors
relieve
building
stable
anodes
is
proposed.
By
selectively
choosing
appropriate
polymers
with
different
functional
groups,
it
shown
that
compared
strong
offered
by
aryl
groups
in
polystyrene‐based
AILs,
cyano
polyacrylonitrile
(PAN)‐based
AILs
provide
moderate
,
which
not
only
accelerates
desolvation
kinetics
also
enables
efficient
transport
within
AILs.
Moreover,
PAN‐based
can
be
further
enhanced
incorporation
an
ionic
conductor,
zinc
phosphate
(ZP).
Because
these
advantages,
decorated
hybrid
composed
PAN
ZP
steadily
operate
>2000
h
at
0.2
mA
cm
−2
>350
high
current
density
10
.
This
work
provides
valuable
guideline
selective
design
molecular
level
durable
AZIBs.
