National Science Review,
Год журнала:
2025,
Номер
12(7)
Опубликована: Янв. 23, 2025
ABSTRACT
Rechargeable
static
aqueous
zinc–halogen
batteries
(AZHBs)
thrive
in
energy-storage
applications
due
to
their
suitable
redox
potential,
abundant
reserves
and
relatively
high
energy
density.
This
non-flow
battery
relies
on
the
collaboration
of
reversible
stripping/plating
process
Zn
metal
halogen-participating
zincation
reactions.
However,
corrosion
shuttling
halogen
species
result
serious
capacity
decay,
posing
challenges
reversibility
lifespan.
Moreover,
instability
high-valence
halides
hinders
implementation
multi-electron
reactions
AZHBs.
review
elaborates
fundamentals,
recent
progress
AZHBs,
highlighting
significance
electrolyte
design
that
is
aimed
at
synchronous
optimization
for
both
cathode
anode
We
discuss
principles
protocols,
along
with
concerns
effective
testing
evaluation
electrolytes.
Possible
approaches
towards
electrolytes
are
proposed—namely,
biphasic
electrolytes,
gradient
hydrogel
ionic
liquid
may
help
guide
research
achieving
AZHBs
density
longevity
practical
applications.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 31, 2025
Aqueous
zinc
iodine
(Zn-I2)
batteries
have
attracted
attention
due
to
their
low
cost,
environmental
compatibility,
and
high
specific
capacity.
However,
development
is
hindered
by
the
severe
shuttle
effect
of
polyiodides
slow
redox
conversion
kinetics
(I2)
cathode.
Herein,
a
long-life
Zn-I2
battery
developed
anchoring
within
an
edible
fungus
slag-derived
carbon
matrix
encapsulated
with
Zn
single-atom
catalysts
(SAZn@CFS).
The
N
content
microporous
structure
SAZn@CFS
provide
strong
confinement,
while
Zn-N4-C
sites
chemical
interact
effectively
mitigating
dissolution
polyiodide
effect.
Additionally,
uniformly
distributed
SAZn
significantly
enhance
efficiency
I-/I3
-/I5
-/I2,
leading
improved
At
current
density
10
A
g-1,
designed
delivers
excellent
capacity
147.2
mAh
g-1
long
lifespan
over
80
000
cycles
93.6%
retention.
Furthermore,
exhibits
stable
operation
for
3500
times
even
at
50
°C,
demonstrating
significant
advances
in
reversible
storage.
This
synergistic
strategy
optimizes
composite
structure,
offering
practical
approach
meet
requirements
high-performance
batteries.
ACS Nano,
Год журнала:
2024,
Номер
18(42), С. 28557 - 28574
Опубликована: Окт. 9, 2024
Aqueous
zinc–iodine
batteries
(ZIBs)
based
on
the
reversible
conversion
between
various
iodine
species
have
garnered
global
attention
due
to
their
advantages
of
fast
redox
kinetics,
good
reversibility,
and
multielectron
feasibility.
Although
significant
progress
has
been
achieved
in
ZIBs
with
two-electron
I–/I2
pathway
(2eZIBs),
relatively
low
energy
density
hindered
practical
application.
Recently,
four-electron
I–/I2/I+
electrochemistry
(4eZIBs)
shown
a
improvement
density.
Nonetheless,
use
4eZIBs
is
challenged
by
poor
reversibility
polyiodide
shuttling
during
I+
hydrolysis
I2/I+
conversion.
In
this
Review,
we
thoroughly
summarize
fundamental
understanding
two
ZIBs,
including
reaction
mechanisms,
limitations,
strategies.
Importantly,
provide
an
intuitive
evaluation
assess
potential
highlight
critical
impacts
Zn
utilization
rate.
Finally,
emphasize
cost
issues
associated
electrodes
propose
closed-loop
recycling
routes
for
sustainable
storage
ZIBs.
These
findings
aim
motivate
application
advanced
promote
storage.
Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(45), С. 30998 - 31011
Опубликована: Ноя. 4, 2024
The
primary
cause
of
the
accelerated
battery
failure
in
aqueous
zinc-ion
batteries
(AZIBs)
is
uncontrollable
evolution
zinc
metal-electrolyte
interface.
In
present
research
on
development
multiadditives
to
ameliorate
interfaces,
it
challenging
elucidate
mechanisms
various
components.
Additionally,
synergy
among
additive
molecules
frequently
disregarded,
resulting
combined
efficacy
that
unlikely
surpass
sum
each
component.
this
study,
"molecular
synergistic
effect"
employed,
which
generated
by
two
nonhomologous
acid
ester
(NAE)
additives
double
electrical
layer
microspace.
Specifically,
ethyl
methyl
carbonate
(EMC)
more
inclined
induce
oriented
deposition
metal
means
targeted
adsorption
with
(002)
crystal
plane.
Methyl
acetate
(MA)
likely
enter
solvated
shell
Zn
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 22, 2024
Abstract
Electrolyte
additives
are
investigated
to
resolve
dendrite
growth,
hydrogen
evolution
reaction,
and
corrosion
of
Zn
metal.
In
particular,
the
electrostatic
shielding
cationic
strategy
is
considered
an
effective
method
regulate
deposition
morphology.
However,
it
very
difficult
for
such
a
simple
modification
avoid
competitive
reactions,
corrosion,
interfacial
pH
fluctuations.
Herein,
multifunctional
potassium
phthalate
(KHP)
based
on
synergistic
design
anionic
chemistry
ultrastable
Zn||I
2
full
batteries
demonstrated.
K
cations,
acting
as
constructed
smooth
HP
anions
can
enter
first
solvation
shell
2+
reduced
activities
H
O,
while
they
remain
in
primary
finally
involved
formation
SEI,
thus
accelerating
charge
transfer
kinetics.
Furthermore,
by
situ
monitoring
near‐surface
electrode,
KHP
effectively
inhibit
accumulation
OH
−
by‐products.
Consequently,
symmetric
cells
achieve
high
stripping–plating
reversibility
over
4500
2600
h
at
1.0
5
mA
cm
−2
,
respectively.
The
deliver
ultralong
term
stability
1400
cycles
with
high‐capacity
retention
78.5%.
