Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 30, 2024
Abstract
Aqueous
Zn
ion
batteries
(AZIBs)
have
attracted
considerable
research
interest
because
they
offer
potential
solutions
for
battery
safety
concerns,
enable
long‐duration
energy
storage,
maintain
cost‐effectiveness,
and
support
diverse
application
scenarios.
However,
the
electrochemical
performance
of
AZIBs
is
hampered
by
inherent
issues
arising
from
water
molecules
present
in
water‐based
electrolytes.
Water
are
a
double‐edged
sword
AZIBs,
which
could
serve
not
only
as
rapid
transporter
2+
ions
but
also
instigator
anode
corrosion,
passivation,
hydrogen
precipitation,
narrow
window,
cathode
dissolution,
exacerbation
zinc
dendrite
growth
aqueous
environments.
In
light
these
challenges,
this
review
analyzes
fundamental
principles
underlying
molecules’
role
triggering
water‐related
problems.
It
then
innovatively
summarizes
methods
to
mitigate
activity
alleviate
interface
perspective
“water
repulsing”
trapping”
including
approaches
such
protection,
electrolyte
engineering,
separator
modification,
so
on,
hoping
stimulate
imagination
researchers
playing
with
molecules.
should
be
clarified
that
modification
strategies
do
exist
independently,
complementary
intersections.
Finally,
optimization
mitigating
water‐induced
realize
high‐efficiency
commercially
viable
proposed,
aiming
fresh
perspectives
insights
advance
AZIB
technology.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(50), С. 69133 - 69141
Опубликована: Окт. 10, 2024
Gas
evolution
reactions
in
aqueous
zinc
metal
batteries
(AZMBs)
cause
gas
accumulation
and
battery
swelling
that
negatively
affect
their
performance.
However,
previous
work
often
reported
hydrogen
as
the
main,
if
not
only,
species
evolved
AZMBs;
complexity
of
has
been
overlooked.
For
first
time,
this
found
CO2
reaction
(CER)
AZMBs,
pinpointed
its
sources,
identified
electrolyte
modulation
strategies.
Using
differential
electrochemical
mass
spectrometry,
CER
was
detected
V2O5||Zn
full
cells,
instead
asymmetric
Cu||Zn
it
became
substantial
when
being
charged
to
2.0
V.
By
using
a
carbon
isotope
tracing
method,
primary
origin
corrosion
conductive
at
cathode.
Among
six
representative
electrolytes,
weakly
solvating
(3
m
Zn(OTf)2
acetonitrile/water)
presented
high
resistance
by
reducing
water
disturbing
bonding.
This
sheds
light
on
interfacial
parasitic
for
practical
(Zn
Al)
batteries.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(46), С. 63668 - 63680
Опубликована: Ноя. 6, 2024
Aqueous
zinc-ion
batteries
have
been
impeded
by
the
hydrogen
evolution
reaction
(HER),
uncontrolled
zinc
dendrites,
and
side
reactions
on
Zn
anode.
In
this
work,
a
Zn–polyphenol
supramolecular
network
is
rationally
designed
for
stabilizing
anodes
(ZPN@Zn)
even
at
high
current
density.
Theoretical
calculations
experiments
show
that
zinc–polyphenol
layer
effectively
inhibits
capturing
water
molecules
through
strong
bonding
networks
while
also
facilitating
rapid
replenishment
of
Zn2+
ions
interface
anchoring.
Additionally,
it
results
in
preferential
deposition
(002)
plane,
thereby
contributing
to
nondendritic
highly
reversible
plating/stripping
behaviors
under
rates.
Concomitantly,
ZPN@Zn
achieves
superior
stability
nearly
1200
h
density
20
mA
cm–2
maintains
CE
efficiency
99.86%
after
3000
cycles
1
mAh
5
cm–2.
Remarkably,
full
cell
assembled
with
NaV3O8
(NVO)
endures
25
000
A
g–1,
achieving
an
impressive
performance
realization
dendrite-free
modulation.
Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 12, 2024
Abstract
Despite
aqueous
electrolytes
offer
a
great
opportunity
for
large‐scale
energy
storage
owing
to
their
safety
and
cost‐effectiveness,
practical
application
suffers
from
the
parasitic
side
reactions
poor
temperature
adaptability
stemming
weak
hydrogen‐bond
(HB)
network
in
free
water.
Here,
we
propose
guiding
thought
“strong
replaces
weak”
design
hydrogen
bond‐anchored
electrolyte
by
introducing
sulfolane
(SL)
disrupting
regular
HB
contributing
superior
tolerance.
Judiciously
combined
experimental
characterization
theoretical
calculation
confirm
that
SL
can
remodel
primary
solvation
shell
of
metal
ions,
customize
stable
electrode
interface
chemistry
restrain
reactions.
Consequently,
symmetric
supercapacitor
constructed
activated
carbon
(AC)
electrodes
is
able
fully
work
within
voltage
range
2.4
V
reach
high
capacitance
retention
89.8
%
after
60000
cycles.
Additionally,
Zn
anodes
exhibit
ultra‐stable
plating/stripping
behaviors
wide
(−20–60
°C),
zinc‐ion
capacitor
(Zn//AC)
also
delivers
an
excellent
cycling
stability
with
capacity
99.7
55000
cycles,
implying
designed
has
potential
extreme
environments.
This
proposes
novel
critical
strategy
paves
route
construction
wide‐temperature
devices.
Angewandte Chemie International Edition,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 12, 2024
Abstract
Despite
aqueous
electrolytes
offer
a
great
opportunity
for
large‐scale
energy
storage
owing
to
their
safety
and
cost‐effectiveness,
practical
application
suffers
from
the
parasitic
side
reactions
poor
temperature
adaptability
stemming
weak
hydrogen‐bond
(HB)
network
in
free
water.
Here,
we
propose
guiding
thought
“strong
replaces
weak”
design
hydrogen
bond‐anchored
electrolyte
by
introducing
sulfolane
(SL)
disrupting
regular
HB
contributing
superior
tolerance.
Judiciously
combined
experimental
characterization
theoretical
calculation
confirm
that
SL
can
remodel
primary
solvation
shell
of
metal
ions,
customize
stable
electrode
interface
chemistry
restrain
reactions.
Consequently,
symmetric
supercapacitor
constructed
activated
carbon
(AC)
electrodes
is
able
fully
work
within
voltage
range
2.4
V
reach
high
capacitance
retention
89.8
%
after
60000
cycles.
Additionally,
Zn
anodes
exhibit
ultra‐stable
plating/stripping
behaviors
wide
(−20–60
°C),
zinc‐ion
capacitor
(Zn//AC)
also
delivers
an
excellent
cycling
stability
with
capacity
99.7
55000
cycles,
implying
designed
has
potential
extreme
environments.
This
proposes
novel
critical
strategy
paves
route
construction
wide‐temperature
devices.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 30, 2024
Abstract
Aqueous
Zn
ion
batteries
(AZIBs)
have
attracted
considerable
research
interest
because
they
offer
potential
solutions
for
battery
safety
concerns,
enable
long‐duration
energy
storage,
maintain
cost‐effectiveness,
and
support
diverse
application
scenarios.
However,
the
electrochemical
performance
of
AZIBs
is
hampered
by
inherent
issues
arising
from
water
molecules
present
in
water‐based
electrolytes.
Water
are
a
double‐edged
sword
AZIBs,
which
could
serve
not
only
as
rapid
transporter
2+
ions
but
also
instigator
anode
corrosion,
passivation,
hydrogen
precipitation,
narrow
window,
cathode
dissolution,
exacerbation
zinc
dendrite
growth
aqueous
environments.
In
light
these
challenges,
this
review
analyzes
fundamental
principles
underlying
molecules’
role
triggering
water‐related
problems.
It
then
innovatively
summarizes
methods
to
mitigate
activity
alleviate
interface
perspective
“water
repulsing”
trapping”
including
approaches
such
protection,
electrolyte
engineering,
separator
modification,
so
on,
hoping
stimulate
imagination
researchers
playing
with
molecules.
should
be
clarified
that
modification
strategies
do
exist
independently,
complementary
intersections.
Finally,
optimization
mitigating
water‐induced
realize
high‐efficiency
commercially
viable
proposed,
aiming
fresh
perspectives
insights
advance
AZIB
technology.
