Pulsed Electrosynthesis of Glycolic Acid through Polyethylene Terephthalate Upcycling over a Lamellar Mesoporous PdCu Catalyst
Abstract
Electrocatalytic
upcycling
of
polyethylene
terephthalate
(PET)
plastics
offers
a
promising
and
sustainable
route
that
not
only
addresses
serious
waste
pollution
but
also
produces
high
value-added
chemicals.
Despite
some
important
achievements,
their
activity
selectivity
have
remarkably
been
slower
than
needed.
In
this
work,
pulsed
electrocatalysis
was
employed
to
engineer
chemisorption
properties
on
lamellar
mesoporous
PdCu
(LM-PdCu)
catalyst,
which
delivered
superior
stability
for
selective
electrosynthesis
glycolic
acid
(GA)
from
PET
under
ambient
conditions.
LM-PdCu
synthesized
by
in
situ
nucleation
attachment
strategy
along
assembled
templates,
whose
stacked
morphology
structure
kinetically
accelerated
desorption
GA
exposed
fresh
active
sites
metal
catalysts
continuous
at
mode.
This
thus
impressive
Faraday
efficiency
>
92%
in
wide
potential
windows,
yield
rate
reaching
0.475
mmol
cm–2
h–1,
excellent
cycling
exceeding
20
cycles
electrocatalytic
upcycling,
outperforming
previously
reported
values.
Moreover,
disclosed
good
performance
scaled-up
real
bottle
plastics.
work
provides
highly
chemicals
various
feedstocks.
Research Square (Research Square), Journal Year: 2024, Volume and Issue: unknown
Published: Oct. 28, 2024
Language: Английский