Flexible
rechargeable
Zn-air
batteries
(FZABs)
exhibit
high
energy
density,
ultra-thin,
lightweight,
green,
and
safe
features,
are
considered
as
one
of
the
ideal
power
sources
for
flexible
wearable
electronics.
However,
slow
overpotential
oxygen
reaction
at
air
cathode
has
become
key
factors
restricting
development
FZABs.
The
improvement
activity
stability
bifunctional
catalysts
a
top
priority.
At
same
time,
FZABs
should
maintain
battery
performance
under
different
bending
twisting
conditions,
design
overall
structure
is
also
important.
Based
on
understanding
three
typical
configurations
working
principles
FZABs,
this
work
highlights
two
common
strategies
applying
to
FZABs:
1)
powder-based
2)
self-supported
cathode.
It
summarizes
recent
advances
in
electrocatalysts
explores
various
types
catalyst
structures
well
related
mechanistic
understanding.
latest
research
advances,
paper
introduces
discusses
modulation
expects
guide
synthesis
preparation
efficient
catalysts.
Finally,
current
status
challenges
summarized.
RSC Advances,
Год журнала:
2024,
Номер
14(14), С. 9406 - 9439
Опубликована: Янв. 1, 2024
Focus
on
the
progress
of
electrode
materials
for
supercapacitors
using
composite
based
CPs,
metal
oxide
NPs,
and
CNTs.
Both
electrolyte-based
electrolyte-free
are
also
discussed
in
detail.
Advanced Materials,
Год журнала:
2024,
Номер
36(15)
Опубликована: Янв. 4, 2024
Anode-free
sodium
metal
battery
(AFSMB)
promises
high
energy
density
but
suffers
from
the
difficulty
of
maintaining
cycling
stability.
Nonuniform
(Na)
deposition
on
current
collector
is
largely
responsible
for
capacity
decay
in
process
AFSMB.
Here,
a
unique
copper
phosphide
(Cu3P)
nanowire
constructed
(Cu3P@Cu)
as
substrate
by
an
situ
growth
method.
Superior
electrochemical
performance
Cu3P@Cu
anode
delivered
asymmetric
cells
with
average
Coulombic
efficiency
99.8%
over
800
cycles
at
1
mA
cm−2
h
cm−2.
The
symmetric
cell
displayed
lifespan
2000
2
Cryo-transmission
electron
microscope
characterization
and
first
principles
calculation
revealed
that
low
Na+
absorption
diffusion
barrier
Na3P
promoted
uniform
Na
nucleation
deposition,
thus
enhancing
surface
Moreover,
anode-free
Na3V2(PO4)3//Cu3P@Cu
full
pouch
considerable
≈15
170
cycles,
demonstrating
its
practical
feasibility.
RSC Advances,
Год журнала:
2024,
Номер
14(25), С. 17628 - 17663
Опубликована: Янв. 1, 2024
Owing
to
their
attractive
energy
density
of
about
8.1
kW
h
kg
−1
and
specific
capacity
2.9
A
g
,
aluminum–air
(Al–air)
batteries
have
become
the
focus
research.
