Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 25, 2024
We
report
the
development
of
bioinspired
dipeptide-functionalized
type-II
heterojunctions
for
effective
detection
and
degradation
quinalphos
with
99%
removal
efficiency,
thus
highlighting
new
avenues
sustainable
environmental
remediation.
Abstract
Aqueous
zinc‐iodine
batteries
(AZIBs)
hold
great
promise
for
large‐scale
energy
storage
due
to
their
inherent
safety,
cost‐effectiveness,
and
environmental
sustainability.
However,
practical
application
is
hindered
by
the
sluggish
redox
kinetics
of
iodine
species
“shuttle
effect”
polyiodides,
both
which
degrade
cycling
stability
capacity
retention.
Herein,
a
“polar‐nonpolar
strategy”
proposed
first
time,
couples
nonpolar
porous
carbon
(PC)
as
host
with
highly
polar
zinc
oxide
(ZnO)
separator
modification
materials.
Specifically,
PC
leverages
its
structure
properties
accommodate
immobilize
iodine,
simultaneously
enhancing
conductivity
cathode.
Meanwhile,
ZnO
on
accelerates
electron
transfer
polyiodides
through
strong
adsorption
catalytic
effects,
improving
reversible
transformation
species.
UV–visible
spectroscopy
electrochemical
kinetic
analyses
confirm
rapid
effective
polyiodide
inhibition
in
this
system.
As
result,
prepared
PC‐I
2
//ZnO@GF
battery
demonstrates
high‐rate
excellent
long‐term
stability,
surpassing
performance
other
recently
reported
AZIBs.
This
polar‐nonpolar
strategy
establishes
novel
design
rationale
developing
future
high‐performance
batteries.