Efficient and economic H2O2 electrosynthesis via two-electron oxygen reduction reaction enabled by dynamically reconstructed Mn(*OH)-N3O motif and coupled alcohol oxidation
Wei Liu,
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Rui Chen,
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Zhiyuan Sang
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et al.
Journal of Energy Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 1, 2025
Language: Английский
Cobalt-Decorated Carbonized Wood as an Efficient Electrocatalyst for Water Splitting
Zichen Cheng,
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Zekun Li,
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Huang Shou
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et al.
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(5), P. 503 - 503
Published: May 21, 2025
The
efficient
mass
transport
and
enhanced
accessibility
of
active
sites
are
crucial
for
high-performance
electrocatalysts
in
water
splitting.
Inspired
by
the
hierarchical
structure
natural
wood,
we
engineered
a
monolithic
electrocatalyst,
cobalt
nanoparticles
encapsulated
nitrogen-doped
carbon
layers
on
carbonized
wood
(Co@NC/CW),
carbonizing
to
create
three-dimensional
framework
with
vertically
aligned
macropores.
unique
architecture
encapsulates
within
situ-grown
graphene
wood-derived
microchannels,
facilitating
ultrafast
electrolyte
infusion
anisotropic
electron
transport.
As
result,
optimized
freestanding
Co@NC/CW
electrode
exhibits
remarkable
bifunctional
activity,
achieving
overpotentials
403
mV
227
oxygen
evolution
reaction
(OER)
hydrogen
(HER),
respectively,
at
current
density
50
mA
cm−2.
Furthermore,
integrated
hybrid
electrolyzer
combining
HER
OER
delivers
an
impressive
A
cm−2
cell
voltage
1.72
V
while
maintaining
Faradaic
efficiency
near
99.5%
sustaining
long-term
stability
over
120
h
continuous
operation.
also
demonstrates
performance
complete
decomposition
alkaline
seawater,
underscoring
its
potential
scalable
applications.
This
catalyst
design
not
only
leverages
porosity
but
offers
sustainable
platform
advanced
electrochemical
systems.
Language: Английский
Atomically dispersed catalysts: for the efficient and stable industrial electrosynthesis of H2O2
Yapeng Du,
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Xueqin Mu,
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Shengchen Wang
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et al.
Energy & Environmental Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
review
focuses
on
the
sustainable
synthesis
of
hydrogen
peroxide
(H
2
O
)
via
2e
−
ORR.
It
emphasizes
ADC
design
strategies.
bridges
fundamental
research
and
industrial
practices
to
drive
advancement
green
chemical
synthesis.
Language: Английский