Advanced Materials,
Год журнала:
2022,
Номер
34(43)
Опубликована: Сен. 6, 2022
The
poor
stability
of
the
zinc-metal
anode
is
a
main
bottleneck
for
practical
application
aqueous
zinc-ion
batteries.
Herein,
series
molecular
sieves
with
various
channel
sizes
are
investigated
as
an
electrolyte
host
to
regulate
ionic
environment
Zn2+
on
surface
zinc
and
realize
separator-free
Based
ZSM-5
sieve,
solid-liquid
mixed
membrane
constructed
uniformize
transport
ions
foster
dendrite-free
Zn
deposition.
Side
reactions
can
also
be
suppressed
through
tailoring
solvation
sheath
restraining
activity
water
molecules
in
electrolyte.
A
V2
O5
||ZSM-5||Zn
full
cell
shows
significantly
enhanced
performance
compared
cells
using
glass
fiber
separator.
Specifically,
it
exhibits
high
specific
capacity
300
mAh
g-1
,
retention
98.67%
after
1000
cycles
82.67%
3000
at
1
.
It
attested
that
zeolites
(ZSM-5,
H-β,
Bate)
5-7
Å
result
best
cycle
stability.
Given
low
cost
recyclability
ZSM
its
potent
function,
this
work
may
further
lower
boost
industrial
AZIBs.
Advanced Materials,
Год журнала:
2023,
Номер
35(39)
Опубликована: Янв. 14, 2023
Abstract
The
energy
efficiency
of
metal–air
batteries
and
water‐splitting
techniques
is
severely
constrained
by
multiple
electronic
transfers
in
the
heterogenous
oxygen
evolution
reaction
(OER),
high
overpotential
induced
sluggish
kinetics
has
become
an
uppermost
scientific
challenge.
Numerous
attempts
are
devoted
to
enabling
activity,
selectivity,
stability
via
tailoring
surface
physicochemical
properties
nanocatalysts.
Lattice‐strain
engineering
as
a
cutting‐edge
method
for
tuning
geometric
configuration
metal
sites
plays
pivotal
role
regulating
interaction
catalytic
surfaces
with
adsorbate
molecules.
By
defining
d‐band
center
descriptor
structure–activity
relationship,
individual
contribution
strain
effects
within
state‐of‐the‐art
electrocatalysts
can
be
systematically
elucidated
OER
optimization
mechanism.
In
this
review,
fundamentals
advancements
strain‐catalysts
showcased
innovative
trigger
strategies
enumerated,
particular
emphasis
on
feedback
mechanism
between
precise
regulation
lattice‐strain
optimal
activity.
Subsequently,
modulation
various
attributes
categorized
impediments
encountered
practicalization
strained
effect
discussed,
ending
outlook
future
research
directions
burgeoning
field.
Nano Letters,
Год журнала:
2022,
Номер
22(3), С. 1302 - 1310
Опубликована: Янв. 28, 2022
For
practical
sodium-ion
batteries,
both
high
electrochemical
performance
and
cost
efficiency
of
the
electrode
materials
are
considered
as
two
key
parameters.
Prussian
blue
analogues
(PBAs)
broadly
recognized
promising
cathode
due
to
their
low
cost,
theoretical
capacity,
cycling
stability,
although
they
suffer
from
low-crystallinity-induced
deterioration.
Herein,
a
facile
"ice-assisted"
strategy
is
presented
prepare
highly
crystallized
PBAs
without
any
additives.
By
suppressing
structure
defects,
exhibits
capacity
123
mAh
g-1
with
initial
Coulombic
87.2%,
long
lifespan
3000
cycles,
significantly
enhanced
high/low
temperature
calendar
life.
Remarkably,
distortion
sodium
diffusion
coefficient
have
been
identified
via
in
situ
synchrotron
powder
diffraction
first-principles
calculations,
while
its
thermal
stability
has
analyzed
by
heated
X-ray
diffraction.
We
believe
results
could
pave
way
low-cost
large-scale
application
all-climate
batteries.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(42)
Опубликована: Июнь 20, 2023
Abstract
In
recent
years,
metal‐organic
frameworks,
especially
MOF‐based
derivatives,
have
been
regarded
as
one
of
the
best
candidate
electrode
materials
for
next
generation
advanced
materials,
due
to
high
porosity,
large
surface
area,
modifiable
functional
groups
well
controllable
chemical
composition.
This
review
presents
corresponding
synthesis
methods,
structural
design,
and
electrochemical
performance
MOF‐derived
including
metal
oxides,
sulfides,
phosphides,
carbon
in
high‐performance
lithium‐ion
batteries.
Subsequently,
problems
that
exist
current
application
derivatives
electrodes
batteries
are
discussed
along
with
possible
feasible
solutions.
At
last,
some
reasonable
pathways
strategies
design
MOF
also
suggested.
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
.