Advanced Sustainable Systems,
Journal Year:
2024,
Volume and Issue:
8(12)
Published: Aug. 25, 2024
Abstract
The
high
stability
and
persistence
of
nitrates
in
water
poses
a
serious
threat
to
human
health
ecosystems.
To
effectively
reduce
the
nitrate
content
wastewater,
electrochemical
reduction
reaction
(e‐NO
3
RR)
is
widely
recognized
as
an
ideal
treatment
method
due
its
reliability
efficiency.
selection
catalyst
material
plays
decisive
role
e‐NO
RR
performance.
Copper‐based
catalysts,
with
their
ease
acquisition,
activity,
selectivity
for
NH
,
have
emerged
most
promising
candidates
applications.
In
this
paper,
mechanism
first
introduced.
Then
relationship
between
structural
properties
catalytic
performance
copper‐based
catalysts
analyzed
detail
from
four
aspects:
nanomaterials,
oxides,
monoatomic,
bimetallic
materials.
Strategies
constructing
efficient
are
discussed,
including
surface
modulation,
defect
engineering,
heteroatom
doping,
coordination
effects.
Finally,
challenges
prospects
practical
applications
outlined.
Small,
Journal Year:
2024,
Volume and Issue:
20(47)
Published: Aug. 18, 2024
Abstract
Cyclohexanone
oxime
is
an
important
intermediate
in
the
chemical
industry,
especially
for
manufacture
of
nylon‐6.
The
traditional
cyclohexanone
production
strongly
relies
on
cyclohexanone‐hydroxylamine
and
ammoxidation
processes,
which
require
harsh
reaction
conditions
consume
considerable
amounts
energy.
Herein,
direct
electrosynthesis
reported
from
environmental
pollutants
nitrite
with
almost
100%
yield
by
using
low‐cost
Cu
2
Se
nanosheets
as
electrocatalysts.
Combination
situ
Fourier
transform
infrared
spectroscopy
theoretical
calculations
verifies
that
p–d
orbital
hybridization
between
elements
could
synergistically
optimize
surface
electronic
structure
enable
improved
adsorption
formation
key
active
N
NH
OH*,
thereby
enhancing
cyclohexanone/nitrite‐to‐cyclohexanone
conversion
over
nanosheets.
Based
these,
efficient
asymmetric
co‐electrolysis
system
further
demonstrated
coupling
upcycling
polyethylene
terephthalate
plastics,
achieveing
energy‐saving
simultaneously
value‐added
products
(cyclohexanone
glycolic
acid).
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
This
manuscript
comprehensively
reviews
the
recent
advancements
in
Cu-based
atomic
site
catalysts
NO
3
RR,
following
a
sequential
order
with
six
sections:
Introduction,
Mechanism,
SACs,
SAAs,
DACs,
and
Perspectives.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 9, 2024
Abstract
Electrochemical
nitrate
reduction
reaction
(NO
3
−
RR)
provides
a
sustainable
and
efficient
way
to
producing
ammonia
at
ambient
condition
denitrifying
wastewater.
However,
NO
RR
is
still
confronted
with
some
barriers
present,
because
of
the
sluggish
kinetics
competitive
hydrogen
evolution
(HER).
Particularly,
it
requires
highly
robust
selective
electrocatalysts,
which
steers
complex
multistep
reactions
toward
process.
Among
various
Co‐based
electrocatalysts
demonstrate
rapid
kinetics,
steady
catalytic
performance,
suppressive
impact
on
HER
for
RR,
attracting
more
attention.
In
this
review,
focused
Cobalt‐based
design
corresponding
strategies
are
summarized.
detail,
these
can
be
concisely
classified
into
five
categories,
including
oxides
hydroxides,
alloys,
metal,
heteroatom‐doped
materials,
metal
organic
frameworks
derivatives.
Each
category
extensively
discussed,
its
concepts
ideas
clearly
conveyed
through
appropriate
illustrations
figures.
Finally,
scientific
technological
challenges
as
well
promising
constructing
system
in
future
discussed.
It
expected
that
review
provide
valuable
insights
guidance
rational
ultimately
advancing
their
applications
industrial
scenario
high
current
density,
stability,
energy
efficiency.
Small,
Journal Year:
2024,
Volume and Issue:
20(45)
Published: July 17, 2024
Abstract
Electrochemical
upcycling
of
nitrate
and
polyester
plastic
into
valuable
products
is
an
ideal
solution
to
realize
the
resource
utilization.
Here,
co‐production
ammonia
(NH
3
)
glycolic
acid
(GA)
via
electrochemical
polyethylene
terephthalate
(PET)
plastics
over
mesoporous
Pd
Au
film
on
Ni
foam
(mPd
Au/NF),
which
synthesized
by
micelle‐assisted
replacement
method,
proposed.
The
mPd
Au/NF
with
well‐developed
structure
provides
abundant
active
sites
facilitated
transfer
channels
strong
electronic
effect.
As
such,
exhibits
high
Faraday
efficiencies
97.28%
95.32%
at
0.9
V
for
formation
NH
GA,
respectively.
Theoretical
results
indicate
that
synergistic
effect
can
optimize
adsorption
energy
key
intermediates
*NOH
*OCH
2
‐CH
OH
increase
bond
C─C
band,
thereby
improving
activity
selectivity
GA.
This
work
proposes
a
promising
strategy
simultaneous
conversation
PET
high‐value
