Angewandte Chemie,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 19, 2024
Abstract
Electrocatalytic
oxidation
of
aqueous
phenol
to
para
‐benzoquinone
(
p
‐BQ)
offers
a
sustainable
approach
for
both
pollutant
abatement
and
value‐added
chemicals
production.
However,
achieving
high
conversion
‐BQ
yield
under
neutral
conditions
remains
challenging.
Herein,
we
report
Ni(OH)
2
‐supported
Ru
nanoparticles
(NiRu)
hybrid
electrocatalyst,
which
exhibits
superior
96.5
%
an
excellent
83.4
at
pH
7.0,
significantly
outperforming
previously
reported
electrocatalysts.
This
exceptional
performance
benefits
from
the
triple
synergistic
modulation
NiRu
catalyst,
including
enhanced
adsorption,
increased
desorption,
suppressed
oxygen
evolution.
By
coupling
flow
electrolyzer
with
extraction‐distillation
separation
unit,
simultaneous
removal
recovery
are
realized.
Additionally,
developed
electrocatalytic
system
NiRu/C
anode
displays
good
stability,
favorable
energy
consumption,
reduced
greenhouse
gas
emissions
phenol‐containing
wastewater
treatment,
demonstrating
its
potential
practical
applications.
work
promising
strategy
low‐carbon
in
treatment.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июль 13, 2024
Abstract
Electrocatalytic
semihydrogenation
of
acetylene
(C
2
H
)
provides
a
facile
and
petroleum-independent
strategy
for
ethylene
4
production.
However,
the
reliance
on
preseparation
concentration
raw
coal-derived
C
hinders
its
economic
potential.
Here,
concave
surface
is
predicted
to
be
beneficial
enriching
optimizing
mass
transfer
kinetics,
thus
leading
high
partial
pressure
around
active
sites
direct
conversion
.
Then,
porous
carbon-supported
Cu
nanoparticle
(Cu-PCC)
electrode
designed
enrich
gas
sites.
As
result,
as-prepared
enables
91.7%
Faradaic
efficiency
56.31%
single-pass
under
simulated
atmosphere
(~15%)
at
current
density
0.42
A
cm
−2
,
greatly
outperforming
counterpart
without
supports.
The
strengthened
intermolecular
π
conjugation
caused
by
increased
coverage
revealed
result
in
delocalization
electrons
consequently
promoting
activation,
suppressing
hydrogen
evolution
competition
enhancing
selectivity.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(31), С. 19988 - 19994
Опубликована: Янв. 1, 2024
CoMn
2
O
4
/C
is
constructed
for
the
electrochemical
NO
reduction
reaction
toward
NH
3
,
with
a
maximum
faradaic
efficiency
of
89.3%
at
−0.7
V
vs.
RHE.
can
promote
hydrogenation
*NO
to
*NHO
(PDS,
0.13
eV)
and
inhibit
HER.
