Catalysis Science & Technology,
Journal Year:
2024,
Volume and Issue:
14(11), P. 3007 - 3011
Published: Jan. 1, 2024
As
an
efficient
catalyst
for
NH
3
production
via
NO
2
−
reduction,
Co
nanoparticles
decorated
radix
cynanchi
paniculati-derived
carbon
exhibits
a
high
faradaic
efficiency
of
92.77%
with
yield
1235.62
μmol
h
−1
cm
−2
at
−0.8
V.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(11)
Published: Feb. 12, 2024
Abstract
Electrocatalytic
nitrite
(NO
2
−
)
reduction
reaction
RR)
for
ammonia
(NH
3
synthesis
is
a
promising
alternative
NO
resource
utilization.
Herein,
dual‐site
copper‐cobalt
oxide
catalyst
reported
the
efficient
electrocatalytic
of
to
NH
,
exhibiting
Faradaic
efficiency
that
remained
above
95%
(0.1
m
NaNO
over
wide
potential
window
(−0.1
−0.6
V
vs
reversible
hydrogen
electrode,
RHE).
More
importantly,
high
maintains
an
85%
−0.3
RHE)
at
low
concentration
(0.01
).
Theoretical
calculations
demonstrate
CuO
serves
*
and
subsequently
converted
on
Co
O
4
.
Coupled
anodic
ethylene
glycol
(EG)
oxidation
endows
cell
voltage
(ΔU
=
480
mV,
10
mA
cm
−2
energy
consumption
saving
(>23%)
in
two‐electrode
system.
This
work
provides
reference
co‐upcycling
electrolyzer
EG.
Catalysis Science & Technology,
Journal Year:
2024,
Volume and Issue:
14(11), P. 3007 - 3011
Published: Jan. 1, 2024
As
an
efficient
catalyst
for
NH
3
production
via
NO
2
−
reduction,
Co
nanoparticles
decorated
radix
cynanchi
paniculati-derived
carbon
exhibits
a
high
faradaic
efficiency
of
92.77%
with
yield
1235.62
μmol
h
−1
cm
−2
at
−0.8
V.