Nano-Micro Letters,
Год журнала:
2023,
Номер
16(1)
Опубликована: Ноя. 17, 2023
Based
on
the
attributes
of
nonflammability,
environmental
benignity,
and
cost-effectiveness
aqueous
electrolytes,
as
well
favorable
compatibility
zinc
metal
with
them,
ions
batteries
(AZIBs)
become
leading
energy
storage
candidate
to
meet
requirements
safety
low
cost.
Yet,
acting
a
double-edged
sword,
also
play
negative
role
by
directly
or
indirectly
causing
various
parasitic
reactions
at
anode
side.
These
include
hydrogen
evolution
reaction,
passivation,
dendrites,
resulting
in
poor
Coulombic
efficiency
short
lifespan
AZIBs.
A
comprehensive
review
electrolytes
chemistry,
mechanism
chemistry
reactions,
their
relationship
is
lacking.
Moreover,
understanding
strategies
for
suppressing
from
an
electrochemical
perspective
not
profound
enough.
In
this
review,
firstly,
anodes,
AZIBs
are
deeply
disclosed.
Subsequently,
enhancing
inherent
thermodynamic
stability
lowering
dynamics
Zn/electrolyte
interfaces
reviewed.
Lastly,
perspectives
future
development
direction
presented.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
62(25)
Опубликована: Апрель 18, 2023
Aqueous
zinc
batteries
(AZBs)
feature
high
safety
and
low
cost,
but
intricate
anodic
side
reactions
dendrite
growth
severely
restrict
their
commercialization.
Herein,
ethylenediaminetetraacetic
acid
(EDTA)
grafted
metal
organic
framework
(MOF-E)
is
proposed
as
a
dually-functional
interphase
for
sustainable
Zn
anode.
Specifically,
the
target-distributed
EDTA
serves
an
ion-trapped
tentacle
to
accelerate
desolvation
ionic
transport
by
powerful
chemical
coordination,
while
MOFs
offer
suitable
channels
induce
oriented
deposition.
As
result,
MOF-E
fundamentally
suppresses
guides
horizontally
arranged
deposition
with
(002)
preferred
orientations.
The
Zn|MOF-E@Cu
cell
exhibits
markedly
improved
Coulombic
efficiency
of
99.7
%
over
2500
cycles,
MOF-E@Zn|KVOH
(KV12
O30-y
⋅
nH2
O)
yields
steady
circulation
5000
[email protected]
at
8
A
g-1
.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Янв. 4, 2024
Aqueous
zinc
metal
batteries
(AZMBs)
are
promising
candidates
for
next-generation
energy
storage
due
to
the
excellent
safety,
environmental
friendliness,
natural
abundance,
high
theoretical
specific
capacity,
and
low
redox
potential
of
(Zn)
metal.
However,
several
issues
such
as
dendrite
formation,
hydrogen
evolution,
corrosion,
passivation
Zn
anodes
cause
irreversible
loss
active
materials.
To
solve
these
issues,
researchers
often
use
large
amounts
excess
ensure
a
continuous
supply
materials
anodes.
This
leads
ultralow
utilization
squanders
density
AZMBs.
Herein,
design
strategies
AZMBs
with
discussed
in
depth,
from
utilizing
thinner
foils
constructing
anode-free
structures
100%,
which
provides
comprehensive
guidelines
further
research.
Representative
methods
calculating
depth
discharge
different
first
summarized.
The
reasonable
modification
foil
anodes,
current
collectors
pre-deposited
Zn,
aqueous
(AF-AZMBs)
improve
then
detailed.
In
particular,
working
mechanism
AF-AZMBs
is
systematically
introduced.
Finally,
challenges
perspectives
high-utilization
presented.
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(18)
Опубликована: Март 2, 2023
Abstract
The
undesirable
side
reactions
and
uncontrolled
deposition
leads
to
the
electrochemical
failure
of
Zn
metal
anodes.
Herein,
driven
by
theory
calculations,
a
surface
texture
engineering
passivation
layer
protection
dual‐interface
strategy
is
developed.
Benefiting
from
complementary
interface
effect,
such
can
realize
integrated
regulation
interfacial
transport
deposition.
That
is,
inhibiting
water‐induced
reactions,
accelerating
de‐solvation
hydrated
zinc
ions,
homogenizing
ion
flux,
guiding
Zn(002)‐preferred
orientation
As
result,
modulated
electrode
enables
significantly
extended
stability
smaller
nucleation
barrier
polarization
effect.
Unexpectedly,
it
steadily
operate
for
6600
h
at
0.5
mA
cm
−2
,
corresponding
lifespan
>9
months.
Highly
reversible
plating
stripping
be
still
retained
when
current
density
improved
up
1,
5,
10,
even
20
.
Beyond
that,
applied
batteries,
enhanced
rate
capability,
cyclic
realized
in
both
aqueous
Zn/MnO
2
batteries
solid‐state
Zn/VO
batteries.
This
design
concept
effect
expected
provide
new
insight
into
high
reversibility
Nano-Micro Letters,
Год журнала:
2023,
Номер
16(1)
Опубликована: Ноя. 17, 2023
Based
on
the
attributes
of
nonflammability,
environmental
benignity,
and
cost-effectiveness
aqueous
electrolytes,
as
well
favorable
compatibility
zinc
metal
with
them,
ions
batteries
(AZIBs)
become
leading
energy
storage
candidate
to
meet
requirements
safety
low
cost.
Yet,
acting
a
double-edged
sword,
also
play
negative
role
by
directly
or
indirectly
causing
various
parasitic
reactions
at
anode
side.
These
include
hydrogen
evolution
reaction,
passivation,
dendrites,
resulting
in
poor
Coulombic
efficiency
short
lifespan
AZIBs.
A
comprehensive
review
electrolytes
chemistry,
mechanism
chemistry
reactions,
their
relationship
is
lacking.
Moreover,
understanding
strategies
for
suppressing
from
an
electrochemical
perspective
not
profound
enough.
In
this
review,
firstly,
anodes,
AZIBs
are
deeply
disclosed.
Subsequently,
enhancing
inherent
thermodynamic
stability
lowering
dynamics
Zn/electrolyte
interfaces
reviewed.
Lastly,
perspectives
future
development
direction
presented.