Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 26, 2024
Abstract
The
development
of
aqueous
zinc‐ion
batteries
(AZIBs)
for
large‐scale
industrial
applications
is
substantially
constrained
by
the
persistent
issue
zinc
anode
corrosion.
This
study
introduces
fucoidan
(FCD),
a
corrosion
inhibitor,
to
effectively
mitigate
corrosion‐related
challenges
in
metal
anodes.
FCD
forms
robust,
covalently
bonded
layer
on
surface
at
low
concentration
25
m
through
interactions
between
lone
pairs
its
polar
atoms
and
d
orbitals
zinc.
ultrathin,
which
does
not
deteriorate
ion
transfer
but
shields
from
corrosive
electrolytes
promotes
uniform
deposition,
resulting
suppressed
corrosion,
passivation,
dendrite
formation.
Consequently,
Zn||Zn
cells
exhibit
excellent
reversibility,
stably
operating
2700
h
1
mA
cm
−2
under
mAh
400
10
.
Furthermore,
large‐sized
Zn||I
2
pouch
cell
with
high
iodine
loading
g
discharge
capacity
≈300
demonstrated,
shows
minimal
degradation—<3%
after
300
cycles—and
maintains
Coulombic
efficiency
≈99.5%.
inhibition
strategy
proposed
this
provides
crucial
insights
enhancing
durability
practicability
AZIBs.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 26, 2024
Abstract
A
zinc
(Zn)
metal
anode
paired
with
a
vanadium
oxide
(VO
x
)
cathode
is
promising
system
for
aqueous
Zn–ion
batteries
(AZIBs);
however,
side
reactions
proliferating
on
the
Zn
surface
and
infinite
dissolution
of
VO
destabilise
battery
system.
Here,
we
introduce
multi‐functional
additive
into
ZnSO
4
(ZS)
electrolyte,
KAl(SO
2
(KASO),
to
synchronise
in
situ
construction
protective
layer
cathode.
Theoretical
calculations
synchrotron
radiation
have
verified
that
high‐valence
Al
3+
plays
dual
roles
competing
2+
solvation
forming
Zn−Al
alloy
homogeneous
electric
field
mitigate
dendrite
generation.
The
Al‐containing
cathode–electrolyte
interface
(CEI)
considerably
alleviates
irreversible
accumulation
byproducts.
Consequently,
Zn||Zn
cell
KASO
exhibits
an
ultra‐long
cycle
6000
h
at
mA
cm
−2
.
Importantly,
cathodes
,
V
O
5
NH
10
ZS−KASO
electrolyte
showed
excellent
cycling
stability,
including
powder||VO
cells
Zn||VO
pouch
cells.
Even
better,
full
stability
low
negative/positive
(N/P)
ratio
2.83
high
mass
loading
(~16
mg
).
This
study
offers
straightforward
practical
reference
concurrently
addressing
challenges
AZIBs.
Science and Technology of Advanced Materials,
Journal Year:
2025,
Volume and Issue:
26(1)
Published: Jan. 31, 2025
To
promote
sustainable
development
and
reduce
fossil
fuel
consumption,
there
is
a
growing
demand
for
high-performance,
cost-effective,
safe
environmentally
friendly
batteries
large-scale
energy
storage
systems.
Among
the
emerging
technologies,
zinc-air
(ZABs)
have
attracted
significant
interest.
By
integrating
principles
of
traditional
zinc-ion
cells,
ZABs
offer
remarkably
high
theoretical
density
at
lower
production
cost
compared
to
current
state-of-the-art
lithium-ion
(LIBs).
However,
critical
challenge
remains
in
developing
high-performance
zinc
anode.
Herein,
this
review
provides
comprehensive
analysis
status
advancements
anodes
rechargeable
aqueous
ZABs.
We
begin
by
highlighting
major
challenges
underlying
mechanisms
associated
with
including
issues
such
as
uneven
deposition,
dendrite
growth
hydrogen
evolution
reaction.
Then,
discusses
recent
anode
modifications,
focusing
on
strategies
alloying,
surface
porosity
zincophilicity.
reviewing
latest
research,
we
also
identify
existing
gaps
pose
questions
that
need
further
exploration
push
field
forward.
The
goal
inspire
new
research
directions
more
efficient
anodes.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 2, 2025
Aqueous
zinc–bromine
microbatteries
(Zn–Br2
MBs)
are
promising
energy
storage
devices
for
miniaturized
electronic
applications.
However,
their
performance
in
low-temperature
environments
remains
a
challenge
due
to
poor
compatibility
between
antifreeze
agents
and
complexing
agents.
In
this
work,
we
propose
an
additive-free
electrolyte
design
address
incompatibility
from
the
source.
An
electrochemically
active
7.5
m
zinc
bromide
solution
was
found
have
low
freezing
point
of
−105
°C,
while
also
inhibiting
polybromide
dissolution.
Zn–Br2
using
demonstrated
excellent
cycling
stability,
with
over
10,000
cycles
(99%
capacity
retention)
at
25
°C
more
than
2000
(98%
−60
°C.
Both
experimental
data
theoretical
calculations
demonstrate
that
inhibit
This
work
addresses
issue
agents,
challenging
traditional
reliance
on
organic
prevent
dissolution
systems.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 15, 2025
Abstract
Challenges
including
dendrite
growth
on
Zn
anodes
and
organic
cathode
dissolution
severely
hinder
the
practical
application
of
aqueous
zinc‐organic
batteries
(AZOBs).
Herein,
a
Janus
separator
engineered
by
anchoring
SnS
2
(001)
nanosheets
onto
glass
fiber
(SnS
(001)@GF)
to
tackle
these
issues
is
prsented.
The
plane
orientation
,
compared
(100)
crystal
plane,
features
reduced
binding
energy
with
2+
lower
work
function,
enhancing
ion
diffusion,
creating
uniform
electric
field
concentration,
enabling
preferential
deposition
along
(002)
direction
rapid
kinetics,
while
concurrently
repelling
SO
4
2−
ions
through
electrostatic
repulsion.
Additionally,
hierarchical
stacking
properties
mitigate
shuttling
cathodes.
With
this
separator,
robust
SEI
layer
ZnS,
5
Sn
7
forms
surface,
further
inhibiting
dendrites
byproduct
formation.
Zn//Zn
cell
exhibits
stable
cyclability
exceeding
2100
h
at
1
mA
cm
−2
mAh
.
Zn//bipolar
molecular
cathinone
(IDT)
full
battery
achieves
electrochemical
behavior
over
2250
cycles
10
A
g
−1
100%
capacity
retention
after
850
mass
loading
17
mg
Other
utilizing
dibenzo[b,i]thianthrene‐5,7,12,14–tetraone
(DTT)
5,7,12,14–pentacenetetrone
(PT)
respectively
demonstrate
significantly
enhanced
performance.
