ACS Nano,
Год журнала:
2024,
Номер
18(33), С. 21779 - 21803
Опубликована: Авг. 12, 2024
Aqueous
zinc-ion
batteries
(AZIBs)
are
widely
regarded
as
desirable
energy
storage
devices
due
to
their
inherent
safety
and
low
cost.
Hydrogel
polymer
electrolytes
(HPEs)
cross-linked
polymers
filled
with
water
zinc
salts.
They
not
only
used
in
flexible
but
also
represent
an
ideal
electrolyte
candidate
for
addressing
the
issues
associated
Zn
anode,
including
dendrite
formation
side
reactions.
In
HPEs,
abundance
of
hydrophilic
groups
can
form
strong
hydrogen
bonds
molecules,
reducing
activity
inhibiting
decomposition.
At
same
time,
special
Advanced Functional Materials,
Год журнала:
2023,
Номер
34(8)
Опубликована: Ноя. 12, 2023
Abstract
The
electrochemical
performance
of
aqueous
zinc
metal
batteries
(AZMBs)
is
highly
dependent
on
the
electric
double
layer
(EDL)
properties
at
Zn
electrode/electrolyte
interface.
Herein,
a
novel
reconfigured
EDL
constructed
via
double‐charged
theanine
(TN)
additive
for
super‐stable
and
deep‐rechargeable
AZMBs.
Experiments
theoretical
computations
unravel
that
positively
charged
TN
not
only
serves
as
preferential
anchor
to
form
water‐poor
Helmholtz
plane
onto
anode,
but
also
its
anionic
end
could
coordinate
with
2+
tailor
solvation
structure
in
diffusion
further
reconstruct
inner
H‐bonds
networks,
thus
effectively
guiding
uniform
deposition
suppressing
water‐induced
side
reactions.
Consequently,
Zn//Zn
cells
acquire
outstanding
cycling
stabilities
nearly
800
h
high
depth
discharge
80%.
Moreover,
Zn//VOX
full
deliver
substantial
capacity
retention
(94.12%
after
1400
cycles
2
A
g
−1
)
under
practical
conditions.
Importantly,
designed
2.7
Ah
pouch
cell
harvests
recorded
energy
density
42.3
Wh
Kg
79.5
L
–1
,
remarkable
85.93%
220
50
mA
.
This
innovative
design
concept
reshape
chemistry
would
inject
fresh
vitality
into
developing
advanced
AZMBs
beyond.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(46)
Опубликована: Сен. 29, 2023
The
sustained
water
consumption
and
uncontrollable
dendrite
growth
strongly
hamper
the
practical
applications
of
rechargeable
zinc
(Zn)
metal
batteries
(ZMBs).
Herein,
for
first
time,
we
demonstrate
that
trace
amount
chelate
ligand
additive
can
serve
as
a
"molecular
sieve-like"
interfacial
barrier
achieve
highly
efficient
Zn
plating/stripping.
As
verified
by
theoretical
modeling
experimental
investigations,
benzenesulfonic
acid
groups
on
molecular
not
only
facilitates
its
solubility
selective
adsorption
anode,
but
also
effectively
accelerates
de-solvation
kinetics
Zn2+
.
Meanwhile,
central
porphyrin
ring
expels
free
molecules
from
via
chemical
binding
against
hydrogen
evolution,
reversibly
releases
captured
to
endow
dendrite-free
deposition.
By
virtue
this
non-consumable
additive,
high
average
plating/stripping
efficiency
99.7
%
over
2100
cycles
together
with
extended
lifespan
suppressed
decomposition
in
Zn||MnO2
full
battery
were
achieved,
thus
opening
new
avenue
developing
durable
ZMBs.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(14), С. 4819 - 4846
Опубликована: Янв. 1, 2024
This
review
provides
a
comprehensive
overview
detailing
the
advancements
in
desolvation
strategies
pertaining
to
aqueous
zinc-ion
batteries
(AZIBs)
performances,
addressing
applications
and
working
mechanisms
of
AZIBs.
Abstract
Zn‐ion
batteries
are
regarded
as
the
most
promising
for
next‐generation,
large‐scale
energy
storage
because
of
their
low
cost,
high
safety,
and
eco‐friendly
nature.
The
use
aqueous
electrolytes
results
in
poor
reversibility
leads
to
many
challenges
related
Zn
anode.
Electrolyte
additives
can
effectively
address
such
challenges,
including
dendrite
growth
corrosion.
This
review
provides
a
comprehensive
introduction
major
current
strategies
used
anode
protection.
In
particular,
an
in‐depth
fundamental
understanding
is
provided
various
functions
electrolyte
additives,
electrostatic
shielding,
adsorption,
situ
solid
interphase
formation,
enhancing
water
stability,
surface
texture
regulation.
Potential
future
research
directions
also
discussed.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Фев. 6, 2024
Hydrogen
evolution
reaction
(HER)
has
become
a
key
factor
affecting
the
cycling
stability
of
aqueous
Zn-ion
batteries,
while
corresponding
fundamental
issues
involving
HER
are
still
unclear.
Herein,
mechanisms
on
various
crystalline
surfaces
have
been
investigated
by
first-principle
calculations
based
density
functional
theory.
It
is
found
that
Volmer
step
rate-limiting
Zn
(002)
and
(100)
surfaces,
while,
rates
(101),
(102)
(103)
determined
Tafel
step.
Moreover,
correlation
between
activity
generalized
coordination
number
([Formula:
see
text])
at
revealed.
The
relatively
weaker
surface
can
be
attributed
to
higher
[Formula:
text]
atom.
atomically
uneven
shows
significantly
than
flat
as
atom
lowered.
proposed
descriptor
activity.
Tuning
would
vital
strategy
inhibit
anode
presented
theoretical
studies.
Furthermore,
this
work
provides
basis
for
in-depth
understanding
surface.
Advanced Energy Materials,
Год журнала:
2024,
Номер
14(21)
Опубликована: Фев. 27, 2024
Abstract
Aqueous
zinc–iodine
(Zn‐I
2
)
battery
is
one
of
the
most
promising
candidates
for
large‐scale
energy
storage
due
to
its
cost‐effectiveness,
environmental
friendliness,
and
recyclability.
Its
practical
application
hindered
by
challenges
including
polyiodide
“shuttle
effect”
in
cathode
anode
corrosion.
In
this
study,
a
zinc
pyrrolidone
carboxylate
bifunctional
additive
introduced
simultaneously
tackle
issues
Zn
anode.
It
revealed
that
anions
decrease
concentration
preferential
coordination
between
I
based
on
Lewis
acid‐base
effect,
suppressing
shuttle
effect
therefore
improving
conversion
kinetics
iodine
redox
process.
Meanwhile,
adsorbed
inhibit
corrosion
promote
non‐dendritic
plating,
contributing
impressive
Coulombic
efficiency
long‐term
cycling
stability.
As
result,
Zn‐I
full
with
realizes
high
specific
capacity
211
mAh
g
−1
(≈100%
utilization
rate),
an
ultralong
life
>30
000
cycles
87%
retention.
These
findings
highlight
significant
potential
as
transformative
aqueous
batteries,
marking
critical
advancement
field
technologies.
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(38)
Опубликована: Март 29, 2024
Abstract
Rechargeable
aqueous
zinc‐ion
batteries
(ZIBs)
with
low
cost
and
high
safety
arouse
most
promises
as
next‐generation
energy
storage
configurations.
Yet
the
heterogeneous
electric
field
distributions
interfacial
side
reactions
are
considered
stumbling
roadblocks
toward
commercialization
of
ZIBs.
Here,
these
challenges
via
cationic
electrostatic
shielding
anionic
preferential
adsorption
by
sodium
gluconate
(SG)
additive
addressed.
The
polar
functional
groups
(─COO
−
)
SG
anions
preferentially
anchor
to
Zn
anode,
which
can
alter
2+
migration
pathways
restrain
reactions.
Moreover,
per
smaller
effective
reduction
potential,
separated
cations
(Na
+
from
serve
a
dynamic
armor
provide
strong
effect
for
uniform
deposition
on
[002]
crystal
plane,
radically
eliminating
dendrite
growth
promoting
anti‐corrosion
behaviors
Zn.
Consequently,
Zn//Zn
symmetric
cell
modified
electrolyte
confers
lifespan
up
600
h
at
80%
depth
discharge.
Furthermore,
even
under
record‐low
negative/positive
ratio
2.11
lean
30
µL
mAh
−1
,
Zn//VOX
full
remains
enhanced
capacity
retention
84.37%
after
800
cycles
1
A
g
.
This
work
develops
an
dual‐modulation
strategy
provides
unique
insights
enlighten
practical
application
Advanced Functional Materials,
Год журнала:
2024,
Номер
34(32)
Опубликована: Апрель 8, 2024
Abstract
For
the
development
of
electrolyte
additives
as
an
effective
strategy
to
improve
performance
zinc‐ion
batteries
(ZIBs),
most
researchers
focus
on
functional
groups
but
overlook
crucial
molecular
configuration.
Herein,
six
stereoisomers
2,3,4,5‐tetrahydroxyvaleraldehyde
with
identical
various
spatial
arrangements
are
studied
additive
in
ZIBs.
Based
experimental
analysis
and
theoretical
calculations,
adsorption
Zn
(002)
plane
is
found
be
important
dominant
for
stereoisomer
enhance
anode
performance.
Among
these
stereoisomers,
D‐Arabinose
preferential
strongest
chemisorption
effect
modifies
anode/electrolyte
interface
effectively,
leading
highest
stability
reversibility
anode.
The
adsorbed
shows
multifunctional
effects
at
interface,
which
not
only
regulates
2+
solvation
structure
reconfigures
hydrogen
bond
framework,
also
facilitates
uniform
deposition
by
promoting
3D
diffusion
homogenizing
electric
field.
Therefore,
ZnSO
4
electrolyte,
undesired
dendrite
growth
side
reactions
including
evolution
reaction,
corrosion,
passivation
significantly
limited
during
plating/stripping
processes.
This
work
proposes
a
new
insight
toward
optimal
configuration
designing
engineering
stable
