Abstract
Aqueous
zinc
metal
batteries
(AZMBs)
are
emerging
as
a
powerful
contender
in
the
realm
of
large‐scale
intermittent
energy
storage
systems,
presenting
compelling
alternative
to
existing
ion
battery
technologies.
They
harness
benefits
zinc's
high
safety,
natural
abundance,
and
favorable
electrochemical
potential
(−0.762
V
vs
Standard
hydrogen
electrode,
SHE),
alongside
an
impressive
theoretical
capacity
(820
mAh
g
−1
5655
cm
−3
).
However,
performance
ZMBs
is
impeded
by
several
challenges,
including
poor
compatibility
with
high‐loading
cathodes
persistent
side
reactions.
These
issues
intricately
linked
inherent
physicochemical
properties
anodes
(ZMAs).
Here,
this
review
delves
into
traditional
methods
ZMAs
production,
encompassing
extraction,
electrodeposition,
rolling
processes.
The
discussion
then
progresses
exploration
cutting‐edge
methodologies
designed
enhance
ZMAs.
categorized
alloying,
pre‐treatment
substrate,
advanced
electrodeposition
techniques,
development
composite
utilizing
powder.
offers
comparative
analysis
merits
drawbacks
various
optimization
strategies,
highlighting
beneficial
outcomes
achieved.
It
aspires
inspire
novel
concepts
for
advancement
innovation
next‐generation
zinc‐based
solutions.
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(10), С. 4549 - 4560
Опубликована: Янв. 1, 2023
By
harnessing
dynamic
MOF
nanosheets,
zinc
anodes
underwent
a
remarkable
self-optimization
process,
resulting
in
the
creation
of
highly
desirable
surface
with
an
unprecedented
(002)
orientation
that
is
entirely
free
from
any
undesirable
byproducts.
National Science Review,
Год журнала:
2024,
Номер
11(8)
Опубликована: Июль 2, 2024
ABSTRACT
The
virtues
of
electrolytic
MnO2
aqueous
batteries
are
high
theoretical
energy
density,
affordability
and
safety.
However,
the
continuous
dead
unstable
Mn2+/MnO2
electrolysis
pose
challenges
to
practical
output
lifespan.
Herein,
we
demonstrate
bifunctional
cationic
redox
mediation
catalysis
kinetics
metrics
rescue
construct
a
stable
fast
Zn–Mn
redox-flow
battery
(eZMRFB).
Spectroscopic
characterizations
electrochemical
evaluation
reveal
superior
Fe2+
mediator
compared
with
anionic
ones
(e.g.
I–
Br–),
thus
eliminating
effectively.
With
intensified
oxygen
vacancies,
density
functional
theory
simulations
reaction
pathways
further
verify
concomitant
Fe-catalysed
via
charge
delocalization
activated
O
2p
electron
states,
boosting
its
rate
capability.
As
result,
elaborated
eZMRFB
achieves
coulombic
efficiency
nearly
100%,
ultra-high
areal
capacity
80
mAh
cm–2,
capability
20
C
long
lifespan
2500
cycles.
This
work
may
advance
high-energy
next-generation
scalable
storage.
Energy & Environmental Science,
Год журнала:
2024,
Номер
17(5), С. 1975 - 1983
Опубликована: Янв. 1, 2024
We
correlate
the
Zn
plating/stripping
cyclability
with
kinetics
of
hydrogen
evolution.
The
pronounced
evolution
and
asymmetric
explain
poor
reversibility
at
low
current
density.
Advanced Materials,
Год журнала:
2024,
Номер
36(27)
Опубликована: Апрель 4, 2024
Abstract
The
development
of
solid‐state
electrolytes
(SSEs)
with
outstanding
comprehensive
performance
is
currently
a
critical
challenge
for
achieving
high
energy
density
and
safer
batteries
(SSBs).
In
this
study,
strategy
nano‐confined
in
situ
solidification
proposed
to
create
novel
category
molten
guest‐mediated
metal–organic
frameworks,
named
MGM–MOFs.
By
embedding
the
newly
developed
crystalline
organic
electrolyte
(ML
20
)
into
nanocages
anionic
MOF–OH,
MGM–MOF–OH,
characterized
by
multi‐modal
supramolecular
interaction
sites
continuous
negative
electrostatic
environments
within
nano‐channels,
achieved.
These
nanochannels
promote
ion
transport
through
successive
hopping
Li
+
between
neighbored
suppress
anion
movement
chemical
constraint
hydroxyl‐functionalized
pore
wall.
This
results
remarkable
conductivity
7.1
×
10
−4
S
cm
−1
transference
number
0.81.
Leveraging
these
advantages,
SSBs
assembled
MGM–MOF–OH
exhibit
impressive
cycle
stability
specific
410.5
Wh
kg
anode
cathode
under
constrained
conditions
various
working
temperatures.
Unlike
flammable
traditional
MOFs,
demonstrates
robustness
harsh
conditions,
including
ignition,
voltage,
extended
humidity.
