Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 2, 2025
Abstract
Aqueous
zinc‐ion
batteries
(AZIBs)
have
emerged
as
a
promising
energy
storage
solution
owing
to
their
intrinsic
safety,
low
cost,
environmental
friendliness,
and
high
theoretical
specific
capacity.
However,
practical
application
is
hindered
by
uncontrollable
dendrite
growth
side
reactions
at
the
zinc
metal
anode.
To
address
these
challenges,
simple
cost‐effective
electrodeposition
strategy
proposed
construct
quaternary
Zn‐Cu‐Sn‐Bi
alloy
artificial
interface
layer
on
foil
(ZCSB@Zn)
anode
of
AZIBs.
Density
functional
theory
(DFT)
calculations
in
situ
optical
observation
confirm
that
this
dense
reduces
migration
barrier
weakens
hydrogen
adsorption,
facilitating
uniform
deposition
while
effectively
suppressing
formation.
The
symmetric
ZCSB@Zn
cell
exhibits
extraordinary
cycle
stability
exceeding
8000
h.
Furthermore,
assembled
ZCSB@Zn//CSB‐MnO
2
full
demonstrates
capacity
199
mAh
g
−1
1
A
,
maintaining
even
under
loading
10
mg
cm
−2
temperature
conditions
(50
°C).
This
study
presents
scalable
for
constructing
layers
anodes,
highlighting
potential
AZIB
applications.
Rechargeable
lithium–carbon
dioxide
(Li-CO2)
batteries
have
garnered
global
interest
for
their
CO2
capture
potential
and
exceptionally
high
energy
density.
However,
the
sluggish
kinetics
elevated
charging
induced
by
wide
band
gap
insulator
lithium
carbonate
(Li2CO3)
underscore
critical
need
to
investigate
cathode
catalysts
that
can
facilitate
decomposition
of
Li2CO3
lower
potential.
Heteroatom
doping
plays
an
important
role
in
regulating
catalytic
activity
carbon-based
metal-free
catalysts.
Herein,
nitrogen/phosphorus/fluorine
heteroatoms
codoped
carbon
nanotubes
(NPF-CNTs)
are
synthesized
one
step
ammonium
hexafluorophosphate
(NH4PF6)
assisted
route.
The
three-dimensional
interconnected
structures
free-standing
NPF-CNT
membrane
fabricated
a
simple
vacuum
filtration,
which
provides
abundant
active
sites
facilitates
charge
transfer
during
electrochemical
reaction.
with
cathodes
achieve
discharge
area
capacity
(2.86
mAh
cm–2)
low
overpotential
excellent
cycle
performance
(900
cycles
at
100
μA
cm–2,
approaching
1800
h).
good
cycling
stability
200
cm–2
is
more
prominent
Li-CO2
batteries.
These
results
demonstrate
NPF-CNTs
crucial
enhancing
reduction
evolution
reactions,
thus
significantly
improving
performance.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(37), P. 17324 - 17337
Published: Jan. 1, 2024
Reaction
mechanisms
of
CO
2
reduction
and
evolution
at
cathode/electrolyte
interface
are
discussed,
highlighting
the
relationship
between
electrochemical
performance
Li–CO
batteries
properties
different
discharge
products.
