ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
Halogen-based
redox-active
materials
represent
an
important
class
of
in
aqueous
electrochemistry.
The
existence
versatile
halogen
species
and
their
rich
bonding
coordination
create
great
flexibility
designing
new
redox
couples.
Novel
reaction
mechanisms
electrochemical
reversibility
can
be
unlocked
specifically
configurated
electrolyte
environments
electrodes.
In
this
review,
the
halogen-based
couples
appealing
chemistries
batteries,
including
flow
batteries
traditional
static
that
have
been
studied
recent
years,
are
discussed.
New
electrochemistry
provides
hope
to
outperform
state-of-the-art
systems
facing
resources
performance
limitation,
enrich
existing
battery
chemistries.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(58), P. 7447 - 7450
Published: Jan. 1, 2024
OTf
−
anions
establish
weak
hydrogen-bonds
with
water
to
stabilize
I
+
species
while
optimizing
a
water-lean
Zn
2+
coordination
structure
mitigate
dendrites
and
corrosion
for
developing
advanced
four-electron
zinc–iodine
aqueous
batteries.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
Abstract
Rechargeable
batteries
have
been
indispensable
for
various
portable
devices,
electric
vehicles,
and
energy
storage
stations.
The
operation
of
rechargeable
at
low
temperatures
has
challenging
due
to
increasing
electrolyte
viscosity
rising
electrode
resistance,
which
lead
sluggish
ion
transfer
large
voltage
hysteresis.
Advanced
design
feasible
engineering
achieve
desirable
performance
are
crucial
the
practical
application
batteries.
Herein,
failure
mechanism
temperature
is
discussed
in
detail
from
atomic
perspectives,
deep
insights
on
solvent–solvent,
solvent–ion,
ion–ion
interactions
electrolytes
provided.
evolution
interfaces
detail.
electrochemical
reactions
electrodes
elucidated,
approaches
accelerate
internal
diffusion
kinetics
highlighted.
This
review
aims
deepen
understanding
working
low‐temperature
scale
shed
light
future
development
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.
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
Halogen-based
redox-active
materials
represent
an
important
class
of
in
aqueous
electrochemistry.
The
existence
versatile
halogen
species
and
their
rich
bonding
coordination
create
great
flexibility
designing
new
redox
couples.
Novel
reaction
mechanisms
electrochemical
reversibility
can
be
unlocked
specifically
configurated
electrolyte
environments
electrodes.
In
this
review,
the
halogen-based
couples
appealing
chemistries
batteries,
including
flow
batteries
traditional
static
that
have
been
studied
recent
years,
are
discussed.
New
electrochemistry
provides
hope
to
outperform
state-of-the-art
systems
facing
resources
performance
limitation,
enrich
existing
battery
chemistries.