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.
Rechargeable
batteries
have
transformed
human
lives
and
modern
industry,
ushering
in
new
technological
advancements
such
as
mobile
consumer
electronics
electric
vehicles.
However,
to
fulfill
escalating
demands,
it
is
crucial
address
several
critical
issues
including
energy
density,
production
cost,
cycle
life
durability,
temperature
sensitivity,
safety
concerns
imperative.
Recent
research
has
shed
light
on
the
intricate
relationship
between
these
challenges
chemical
processes
occurring
at
electrode-electrolyte
interface.
Consequently,
a
novel
approach
emerged,
utilizing
self-assembled
molecular
layers
(SAMLs)
of
meticulously
designed
molecules
nanomaterials
for
interface
engineering.
This
provides
comprehensive
overview
recent
studies
underscoring
significant
roles
played
by
SAML
rechargeable
battery
applications.
It
discusses
mechanisms
advantageous
features
arising
from
incorporation
SAML.
Moreover,
delineates
remaining
SAML-based
technology,
while
also
outlining
future
perspectives.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(37), С. 24746 - 24760
Опубликована: Янв. 1, 2024
Aqueous
zinc–halogen
batteries
(AZHBs)
are
promising
energy-storage
systems
but
suffer
from
shuttle
effect
and
poor
redox
kinetics.
This
review
summarizes
the
mechanism
research
status
of
AZHBs
provides
solutions
to
overcome
challenges.
Abstract
Zinc
ion
hybrid
capacitors
(ZIHCs)
show
promise
for
large‐scale
energy
storage
because
of
their
low
cost,
highly
intrinsic
safety,
and
eco‐friendliness.
However,
density
has
been
limited
by
the
lack
advanced
cathodes.
Herein,
a
high‐capacity
cathode
material
named
N‐doped
porous
carbon
(CFeN‐2)
is
introduced
ZIHCs.
CFeN‐2,
synthesized
through
annealing
coal
pitch
with
FeCl
3
·6H
2
O
as
catalytic
activator
melamine
nitrogen
source,
exhibits
significant
N
content
(10.95
wt%),
large
surface
area
(1037.66
m
g
−1
),
abundant
lattice
defects
ultrahigh
microporosity.
These
characteristics,
validated
theoretical
simulations
experimental
tests,
enable
dual‐ion
mechanism
involving
Zn
2+
ions
CF
SO
−
anions
CFeN‐2.
When
used
in
ZIHCs,
CFeN‐2
achieves
high‐energy
142.5
W
h
kg
high‐power
9500.1
.
Furthermore,
using
ZIHCs
demonstrate
exceptional
performance
77%
capacity
retention
nearly
100%
coulombic
efficiency
after
10
000
cycles
at
A
,
showcasing
substantially
superior
to
current
This
study
offers
pathway
developing
cathodes
derived
from
ZIHC
applications.
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.
