Abstract
Integrating
electrochemical
upcycling
of
polyethylene‐terephthalate
(PET)
and
the
hydrogen
evolution
reaction
(HER)
is
an
energy‐saving
approach
for
electrolytic
(H
2
)
production,
along
with
coproduction
formate.
Herein,
a
novel
rapid
strategy
cold
plasma
phosphating
employed
to
synthesize
Co
P–Ni
P
heterointerface
decorated
on
carbon
cloth
(Co
P‐Ni
P/CC)
catalyze
H
generation
reform
PET.
Notably,
obtained
P/CC
exhibits
eminent
ethylene
glycol
oxidation
(EGOR)
HER
activities,
effectuating
low
potentials
merely
1.300
−0.112
V
versus
RHE
at
100
mA
cm
−2
EGOR
HER,
respectively,
also
attaining
ultralow
cell
bias
10
EG
assisted‐water
splitting.
DFT
characterization
results
validate
that
as‐formed
built‐in
electric
fields
in
can
accelerate
electrons
transfer
deepen
structural
self‐reconstruction,
thereby
boosting
effectively
water
dissociation
(EG)
dehydrogenation.
Impressively,
coupling
PET‐derived
EG‐to‐formate
flow‐cell
electrolyzer
assembled
pair
achieves
intriguing
formate
Faradaic
efficiency
90.6%
extraordinary
stable
operation
over
70
h
.
The
work
exemplifies
facile
effective
synthesizing
metal
phosphides
electrocatalysts
performance
toward
splitting
recycling
Abstract
The
escalating
accumulation
of
plastic
waste
has
been
developed
into
a
formidable
global
environmental
challenge.
Traditional
disposal
methods
such
as
landfilling
and
incineration
not
only
exacerbate
degradation
by
releasing
harmful
chemicals
greenhouse
gases,
but
also
squander
finite
resources
that
could
otherwise
be
recycled
or
repurposed.
Upcycling
is
kind
recycling
technology
converts
high‐value
helps
to
avoid
resource
pollution.
Electrocatalytic
upcycling
emerges
novel
distinguished
its
mild
operational
conditions,
high
transformation
efficiency
product
selectivity.
This
review
commences
with
an
overview
the
employed
in
management
respective
advantages
inherent
limitations
are
delineated.
different
types
upcycled
electrocatalytic
strategy
then
discussed
process
examined
together
mechanisms
underlying
upcycling.
Furthermore,
structure‐activity
relationships
between
electrocatalysts
performance
elucidated.
aims
furnish
readers
comprehensive
understanding
techniques
for
provide
guidance
design
towards
efficient
transformation.
Abstract
With
large
quantities
and
natural
resistance
to
degradation,
plastic
waste
raises
growing
environmental
concerns
in
the
world.
To
achieve
upcycling
of
into
value‐added
products,
electrocatalytic‐driven
process
is
emerging
as
an
attractive
option
due
mild
operation
conditions,
high
reaction
selectivity,
low
carbon
emission.
Herein,
this
review
provides
a
comprehensive
overview
upgrading
via
electrocatalysis.
Specifically,
key
electrooxidation
processes
including
target
intermediates
pathways
electro‐reforming
are
discussed.
Subsequently,
advanced
electrochemical
systems,
integration
anodic
monomer
oxidation
cathodic
reduction
photo‐involved
electrolysis
processes,
summarized.
The
design
strategies
electrocatalysts
with
enhanced
activity
highlighted
catalytic
mechanisms
electrocatalytic
elucidated.
promote
electrochemistry‐driven
sustainable
waste,
challenges
opportunities
further
put
forward.
Tungsten,
Год журнала:
2024,
Номер
6(4), С. 675 - 695
Опубликована: Март 16, 2024
Abstract
Hydrogen
fuel
is
recognized
as
a
promising
energy
carrier
for
the
sustainable
development
of
global
system
and
green
hydrogen
production
via
water
electrolysis
attracts
great
interest.
The
cost-effective
electrocatalysts
important
enhancing
efficiency.
Recently,
tungsten
pnictides
(phosphides
nitrides)
have
emerged
catalysts
electrolysis,
efficient
pnictide-based
with
different
nanostructures,
compositions,
surface
chemical
properties
been
developed.
In
this
review,
recent
progress
in
design
comprehensively
analyzed.
synthesis
are
discussed
briefly.
Then,
current
achievements
developing
pnictide
detailed,
four
key
catalyst
strategies
(i.e.,
nanostructure
control,
heteroatom
doping,
defect
engineering,
heterostructure
design)
outlined.
physicochemical
properties-catalytic
performance
relationship
also
discussed.
At
last,
perspectives
field
put
forward
guiding
further
research
on
application
high-performance
electrocatalysts.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 2, 2024
Abstract
Aiming
to
efficiently
expedite
alkaline
overall
water
splitting
(OWS)
by
addressing
challenges
such
as
sluggish
kinetics
and
limited
stability,
a
hollow
Fe‐doped
Ni(OH)
2
‐NiS@Ni(OH)
nanorod
array
with
surface
nanosheets
is
devised,
featuring
high‐index
(101)‐NiS(211)
heterostructural
interface
an
upshifted
d
‐band
center.
This
nanoarchitecture
intensifies
the
adsorption
interaction
of
H
O
OH
−
reactants
on
electrocatalyst
surface,
suitably
bonds
*
intermediate
in
hydrogen
evolution
reaction
(HER)
accelerates
electron
movement
H,
minimizes
energy
requirement
rate‐limiting
phase
(
→
O)
oxygen
(OER)
facilitating
O─H
cleavage
optimally
adsorbs
O,
amplifies
exposure
surface‐active
centers,
ultimately
reduces
apparent
activation
energy.
Consequently,
overpotentials
are
low
66.4
mV
254.9
at
10
mA
cm
−2
,
alongside
high
turnover
frequencies
142
s
−1
(H
)
279
(O
100
300
mV,
respectively,
markedly
outperforming
direct‐electrodeposited
analogues.
When
functioning
bifunctional
electrode
OWS,
this
material
merely
requires
1.57
V
sustains
operation
for
168
h,
approaching
Pt/C||RuO
benchmark.
