Journal of the American Chemical Society,
Год журнала:
2024,
Номер
146(10), С. 6628 - 6637
Опубликована: Фев. 15, 2024
Currently,
the
desired
research
focus
in
energy
storage
technique
innovation
has
been
gradually
shifted
to
next-generation
aqueous
batteries
holding
both
high
performance
and
sustainability.
However,
Zn–I2
have
deemed
great
sustainable
potential,
owing
merits
of
cost-effective
eco-friendly
nature.
their
commercial
application
is
hindered
by
serious
shuttle
effect
polyiodides
during
reversible
operations.
In
this
work,
a
Janus
functional
binder
based
on
chitosan
(CTS)
molecules
was
designed
prepared;
polar
terminational
groups
impart
excellent
mechanical
robustness
hybrid
binders;
meanwhile,
it
can
also
deliver
isochronous
enhancement
physical
adsorption
redox
kinetics
toward
I2
species.
By
feat
highly
effective
remission
effect,
CTS
cell
exhibits
superb
electrochemical
capacities
with
long-term
robustness,
specifically,
144.1
mAh
g–1,
at
current
density
0.2
mA
g–1
after
1500
cycles.
Simultaneously,
undesired
self-discharging
issue
could
be
well-addressed;
Coulombic
efficiency
remain
98.8
%
resting
for
24
h.
More
importantly,
endow
good
biodegradability
reusable
properties;
iodine
species
were
reloaded,
recycled
devices
specific
73.3
over
1000
This
provides
potential
synchronous
solution
realize
comprehensive
utilization
further
make
possible
batteries.
Advanced Materials,
Год журнала:
2024,
Номер
36(38)
Опубликована: Июль 31, 2024
Abstract
Aqueous
zinc–iodine
batteries
(AZIBs)
are
highly
appealing
for
energy
requirements
owing
to
their
safety,
cost‐effectiveness,
and
scalability.
However,
the
inadequate
redox
kinetics
severe
shuttling
effect
of
polyiodide
ions
impede
commercial
viability.
Herein,
several
Zn‐MOF‐derived
porous
carbon
materials
designed,
further
preparation
iron–doped
(Fe–N–C,
M9)
with
varied
Fe
doping
contents
is
optimized
based
on
a
facile
self‐assembly/carbonization
approach.
M9,
atomic
coordinated
nitrogen
atoms,
employed
as
an
efficient
cathode
host
AZIBs.
Functional
modifications
hosts
involving
species
levels
investigated.
The
adsorption
tests,
in
situ
Raman
spectroscopy,
UV–vis
results
demonstrate
capability
charge‐discharge
mechanism
iodine
species.
Furthermore,
experimental
findings
theoretical
analyses
have
proven
that
conversion
enhanced
through
physicochemical
confinement
effect.
This
study
offers
basic
principles
strategic
design
single‐atom
dispersed
high‐performance
Flexible
soft–pack
battery
wearable
microbattery
applications
also
implications
future
long‐life
aqueous
designs.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(15), С. 7742 - 7783
Опубликована: Янв. 1, 2024
Aqueous
Zn-metal
batteries
have
attracted
increasing
interest
for
large-scale
energy
storage
owing
to
their
outstanding
merits
in
terms
of
safety,
cost
and
production.
However,
they
constantly
suffer
from
inadequate
density
poor
cycling
stability
due
the
presence
zinc
ions
fully
hydrated
solvation
state.
Thus,
designing
dehydrated
structure
can
effectively
address
current
drawbacks
aqueous
batteries.
In
this
case,
considering
lack
studies
focused
on
strategies
dehydration
ions,
herein,
we
present
a
systematic
comprehensive
review
deepen
understanding
zinc-ion
regulation.
Two
fundamental
design
principles
component
regulation
pre-desolvation
are
summarized
environment
formation
interfacial
desolvation
behavior.
Subsequently,
specific
strategy
based
distinct
carefully
discussed,
including
preparation
methods,
working
mechanisms,
analysis
approaches
performance
improvements.
Finally,
general
summary
issues
addressed
using
strategies,
four
critical
aspects
promote
presented
as
an
outlook,
involving
updating
(de)solvation
theories,
revealing
evolution,
enhancing
techniques
developing
functional
materials.
We
believe
that
will
not
only
stimulate
more
creativity
optimizing
electrolytes
but
also
provide
valuable
insights
into
other
battery
systems.
Advanced Materials,
Год журнала:
2024,
Номер
36(18)
Опубликована: Янв. 24, 2024
Abstract
The
iodine
(I)
electrode
involving
two‐electron
transfer
chemistry
by
converting
between
I
+
and
−
,
has
the
potential
to
deliver
theoretically
doubled
capacity
higher
working
voltage
platforms,
thus
achieving
energy
density.
However,
owing
slow
kinetics
of
cascade
reactions,
system
suffers
from
large
overpotentials
low
power
density,
especially
at
high
currents
temperatures.
Here,
an
inverse‐opal‐structured
cobalt
sulfide@nitrogen‐doped‐carbon
(Co
9
S
8
@NC)
catalyst
with
unique
charge‐deficient
states
is
developed
promote
reaction
/I
electrode.
Co
@NC
not
only
enables
strong
physicochemical
adsorption
species
but
also
significantly
reduces
activation
interfacial
charge
resistance
0
conversion
reaction.
Consequently,
prototypical
Zn‖I
battery
equipped
can
a
density
554
Wh
kg
−1
stable
cycle
life
5000
cycles
30
°C.
Moreover,
subzero
temperature
−30
°C,
exhibit
enhanced
1514
W
485
.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
63(8)
Опубликована: Янв. 8, 2024
Abstract
Rechargeable
zinc‐based
batteries
are
finding
their
niche
in
energy
storage
applications
where
cost,
safety,
scalability
matter,
yet
they
plagued
by
rapid
performance
degradation
due
to
the
lack
of
suitable
electrolytes
stabilize
Zn
anode.
Herein,
we
report
a
competitive
coordination
structure
form
unique
quaternary
hydrated
eutectic
electrolyte
with
ligand‐cation‐anion
cluster.
Unraveled
experiment
and
calculation
results,
competing
component
can
enter
initial
primary
shell
2+
ion,
partially
substituting
Lewis
basic
ligands
reinforcing
cation‐anion
interaction.
The
hydration‐deficient
complexes
induced
between
as
hydrogen
bond
donor‐accepter
water
also
broaden
electrochemical
window
confine
free
activity.
altered
further
leads
robust
hybrid
organic‐inorganic
enriched
solid
interphase,
enabling
passivated
surface
suppressed
dendrite
growth.
Noticeably,
stable
plating/stripping
for
8000
cycles
high
Coulombic
efficiencies
99.6
%
long
cycling
life
10000
Zn‐organic
obtained.
Even
under
harsh
conditions
(small
N/P
ratio,
low
temperature),
profits
brought
still
very
prominent.
This
design
principle
leveraged
offers
new
approach
improve
battery
performance.
Advanced Materials,
Год журнала:
2024,
Номер
36(32)
Опубликована: Июнь 4, 2024
Abstract
In
the
pursuit
of
high‐performance
energy
storage
systems,
four‐electron
zinc–iodine
aqueous
batteries
(4eZIBs)
with
successive
I
−
/I
2
+
redox
couples
are
appealing
for
their
potential
to
deliver
high
density
and
resource
abundance.
However,
susceptibility
positive
valence
hydrolysis
instability
Zn
plating/stripping
in
conventional
electrolyte
pose
significant
challenges.
response,
polyethylene
glycol
(PEG
200)
is
introduced
as
co‐solvent
m
ZnCl
solution
design
a
wide
temperature
electrolyte.
Through
comprehensive
investigation
combining
spectroscopic
characterizations
theoretical
simulations,
it
elucidated
that
PEG
disrupts
intrinsic
strong
H‐bonds
water
by
global
weak
PEG–H
O
interaction,
which
strengthens
O─H
covalent
bond
intensifies
coordination
2+
.
This
synergistic
effect
substantially
reduces
activity
restrain
hydrolysis,
facilitating
kinetics,
mitigating
3
formation
smoothening
deposition.
The
4eZIBs
optimized
hybrid
not
only
superior
cyclability
low
fading
rate
0.0009%
per
cycle
over
20
000
cycles
close‐to‐unit
coulombic
efficiency
but
also
exhibit
stable
performance
range
from
40
°C
−40
°C.
study
offers
valuable
insights
into
rational
electrolytes
4eZIBs.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
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
The
multielectron
conversion
electrochemistry
of
I–/I0/I+
enables
high
specific
capacity
and
voltage
in
zinc–iodine
batteries.
Unfortunately,
the
I+
ions
are
thermodynamically
unstable
highly
susceptible
to
hydrolysis.
Current
endeavors
primarily
focus
on
exploring
interhalogen
chemistry
activate
I0/I+
couple.
However,
practical
working
is
below
theoretical
level.
In
this
study,
redox
couple
fully
activated,
efficiently
stabilized
by
a
chelation
agent
cost-effective
urea
conventional
aqueous
electrolyte.
A
record-high
plateau
1.8
V
vs
Zn/Zn2+
has
been
realized.
Theoretical
calculations
combined
with
spectroscopy
studies
electrochemical
tests
reveal
that
coordination
between
electron-deficient
electron-rich
O
N
atoms
molecules
favorable
for
inhibits
self-disproportionation
I+,
which
turn
promotes
rapid
kinetics
excellent
reversibility
I0/I+.
Moreover,
decreases
water
activity
electrolyte
forming
hydrogen
bonds
further
suppress
hydrolysis
I+.
Accordingly,
419
mAh
g–1
delivered
at
1C,
147
retained
after
10,000
cycles
5C.
This
work
offers
effective
insights
into
formulating
halogen-free
electrolytes
high-performance
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.
Energy storage materials,
Год журнала:
2024,
Номер
72, С. 103596 - 103596
Опубликована: Июнь 25, 2024
Zinc-based
batteries
are
gaining
prominence
as
promising
alternatives
to
lithium-ion
(LIBs)
in
the
pursuit
of
Net-Zero
goals,
owing
their
cost-effectiveness,
scalability,
and
reduced
resource
dependency.
Aqueous
rechargeable
zinc-iodine
(Zn-I2)
batteries,
particular,
emerging
an
enticing
choice
for
future
energy
storage
systems,
thanks
eco-friendly
nature,
impressive
theoretical
capacity,
energy/power
density.
Nevertheless,
several
challenges,
including
well-known
polyiodide
shuttling
phenomenon,
suboptimal
thermodynamic
stability,
issues
like
corrosion
dendrite
formation
on
Zn
metal
anodes,
impede
practical
implementation.
Tremendous
progress
has
been
achieved
circumvent
these
recent
years,
though
a
comprehensive
review
article
both
entry-level
experienced
researchers
is
still
lacking
up
date.
This
aims
at
discussing
fundamentals,
solutions
enable
understanding
electrochemistry
mechanisms,
systematically
summarizing
past,
present,
technologies
strategies
involving
iodine
cathode
design
modification,
interlayer
construction/separator
electrolytes
optimization,
anodes
protection.
Additionally,
based
achievements,
some
directions
efforts
developing
high-performance
Zn−I2
proposed
accelerate
commercial
applications.
