Advanced Materials,
Год журнала:
2024,
Номер
36(29)
Опубликована: Апрель 3, 2024
Abstract
Flexible
zinc–air
batteries
are
the
leading
candidates
as
next‐generation
power
source
for
flexible/wearable
electronics.
However,
constructing
safe
and
high‐performance
solid‐state
electrolytes
(SSEs)
with
intrinsic
hydroxide
ion
(OH
−
)
conduction
remains
a
fundamental
challenge.
Herein,
by
adopting
natural
robust
cellulose
nanofibers
(CNFs)
building
blocks,
biomass
SSEs
penetrating
water
channels
constructed
knitting
OH
‐conductive
CNFs
water‐retentive
together
via
an
energy‐efficient
tape
casting.
Benefiting
from
abundant
interconnected
hydrated
wires
fast
under
nanoconfined
environment,
reveal
high
water‐uptake,
impressive
conductivity
of
175
mS
cm
−1
mechanical
robustness
simultaneously,
which
overcomes
commonly
existed
dilemma
between
property.
Remarkably,
flexible
assemble
deliver
exceptional
cycle
lifespan
310
h
density
126
mW
−2
.
The
design
methodology
opens
new
avenue
to
batteries.
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(17), С. 6139 - 6190
Опубликована: Янв. 1, 2023
Sustainable
zinc-air
batteries
(ZABs)
are
considered
promising
energy
storage
devices
owing
to
their
inherent
safety,
high
density,
wide
operating
temperature
window,
environmental
friendliness,
etc.,
showing
great
prospect
for
future
large-scale
applications.
Thus,
tremendous
efforts
have
been
devoted
addressing
the
critical
challenges
associated
with
sustainable
ZABs,
aiming
significantly
improve
efficiency
and
prolong
operation
lifespan.
The
growing
interest
in
ZABs
requires
in-depth
research
on
oxygen
electrocatalysts,
electrolytes,
Zn
anodes,
which
not
systematically
reviewed
date.
In
this
review,
fundamentals
of
electrocatalysts
air
cathodes,
physicochemical
properties
ZAB
issues
strategies
stabilization
anodes
summarized
from
perspective
fundamental
characteristics
design
principles.
Meanwhile,
significant
advances
situ/operando
characterization
highlighted
provide
insights
into
reaction
mechanism
dynamic
evolution
electrolyte|electrode
interface.
Finally,
several
thoughts
perspectives
provided
regarding
opportunities
ZABs.
Therefore,
review
provides
a
thorough
understanding
advanced
chemistry,
hoping
that
timely
comprehensive
can
shed
light
upcoming
horizons
prosperous
area.
Advanced Materials,
Год журнала:
2023,
Номер
35(13)
Опубликована: Янв. 30, 2023
Flexible
Zn-air
batteries
(FZABs)
have
significant
potentials
as
efficient
energy
storage
devices
for
wearable
electronics
because
of
their
safeties
and
high
energy-to-cost
ratios.
However,
application
is
limited
by
short
cycle
lives,
low
discharge
capacities
per
cycle,
charge/discharge
polarizations.
Accordingly,
herein,
a
poly(sodium
acrylate)-polyvinyl
alcohol
(PANa-PVA)-ionic
liquid
(IL)
hydrogel
(PANa-PVA-IL)
prepared
using
hygroscopic
IL,
1-ethyl-3-methylimidazolium
chloride,
an
additive
twin-chain
PANa-PVA.
PANa-PVA-IL
exhibits
conductivity
306.9
mS
cm-1
water
uptake
2515
wt%
at
room
temperature.
Moreover,
low-cost
bifunctional
catalyst,
namely,
Co9
S8
nanoparticles
anchored
on
N-
S-co-doped
activated
carbon
black
pearls
2000
(Co9
-NSABP),
synthesized,
which
demonstrates
O2
reversibility
potential
gap
0.629
V.
FZABs
based
-NSABP
demonstrate
1.67
mAh
cm-2
long
lives
330
h.
Large-scale
flexible
rechargeable
pouch
cells
exhibit
total
1.03
Ah
densities
246
Wh
kgcell-1
.
This
study
provides
new
information
about
hydrogels
with
ionic
conductivities
uptakes
should
facilitate
the
in
electronics.
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(10), С. 4191 - 4250
Опубликована: Янв. 1, 2023
The
design
strategies
and
internal
mechanisms
of
MXene-based
materials
in
flexible
energy
storage
devices
are
comprehensively
introduced.
Besides,
the
current
trends,
limitations,
future
outlooks
proposed.
ACS Nano,
Год журнала:
2023,
Номер
17(10), С. 9565 - 9574
Опубликована: Май 9, 2023
Robust
operation
of
Zn-air
batteries
(ZABs)
with
high
capacity
and
excellent
energy
efficiency
is
desirable
for
practical
harsh
applications,
whose
bottlenecks
are
mainly
originated
from
the
sluggish
oxygen
catalytic
kinetics
unstable
Zn|electrolyte
interface.
In
this
work,
we
synthesized
edge-hosted
Mn-N4-C12
coordination
supported
on
N-doped
defective
carbon
(Mn1/NDC)
catalyst,
exhibiting
a
good
bifunctional
performance
reduction/evolution
reaction
(ORR/OER)
low
potential
gap
0.684
V.
Theoretical
calculation
reveals
that
displayed
lowest
overpotential
ORR/OER
owing
to
decreased
adsorption
free
OH*.
The
Mn1/NDC-based
aqueous
ZABs
deliver
impressive
rate
performance,
ultralong
discharging
lifespan,
stability.
Notably,
assembled
solid-state
demonstrate
1.29
Ah,
large
critical
current
density
8
mA
cm-2,
robust
cycling
stability
at
-40
°C,
which
should
be
attributed
Mn1/NDC
anti-freezing
electrolyte
(SSE).
Meanwhile,
zincophilic
nanocomposite
SSE
polarity
accounts
stable
Zn|SSE
interface
compatibility.
This
work
not
only
highlights
importance
atomic
structure
design
electrocatalysts
ultralow-temperature
high-capacity
but
also
spurs
development
sustainable
Zn-based
conditions.
Chemical Society Reviews,
Год журнала:
2023,
Номер
52(22), С. 7802 - 7847
Опубликована: Янв. 1, 2023
This
review
provides
a
fundamental
understanding
of
three
types
interfacial
engineering
in
TMDC/C
heterostructures
and
guidance
for
designing
electrochemical
energy
applications.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(10), С. 5291 - 5337
Опубликована: Янв. 1, 2024
Design
principles,
engineering
strategies,
challenges,
and
opportunities
of
gel
polymer
electrolytes
for
rechargeable
batteries
toward
wide-temperature
applications
are
thoroughly
reviewed.
