Construction of PdCu Alloy Decorated on the N-Doped Carbon Aerogel as a Highly Active Electrocatalyst for Enhanced Oxygen Reduction Reaction
Yitong Bai,
No information about this author
Wenke Hao,
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Aleeza Altaf
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et al.
Gels,
Journal Year:
2025,
Volume and Issue:
11(3), P. 166 - 166
Published: Feb. 26, 2025
Fuel
cells/zinc–air
cells
represent
a
transformative
technology
for
clean
energy
conversion,
offering
substantial
environmental
benefits
and
exceptional
theoretical
efficiency.
However,
the
high
cost
limited
durability
of
platinum-based
catalysts
sluggish
oxygen
reduction
reaction
(ORR)
at
cathode
severely
restrict
their
scalability
practical
application.
To
address
these
critical
challenges,
this
study
explores
groundbreaking
approach
to
developing
ORR
with
enhanced
performance
reduced
costs.
We
present
novel
Pd3Cu
alloy,
innovatively
modified
N-doped
carbon
aerogels,
synthesized
via
simple
self-assembly
freeze-drying
method.
The
three-dimensional
aerogel-based
porous
structures
provide
diffusion
channels
molecules,
excellent
electrical
conductivity,
abundant
sites.
Pd3Cu@2NC-20%
aerogel
exhibits
remarkable
enhancement
in
activity,
achieving
half-wave
potential
0.925
V,
limiting
current
density
6.12
mA/cm2,
long-term
stability.
Density
functional
theory
(DFT)
calculations
reveal
that
electrons
tend
transfer
from
Pd
atoms
neighboring
*O,
leading
an
increase
negative
charge
around
*O.
This,
turn,
weakens
interaction
between
catalyst
surface
*O
optimizes
elementary
steps
process.
Language: Английский
Synergistic Co/Cu heterophase nanoparticles embedded in microporous and mesoporous carbon with hydrophobicity for high-power density zinc-air battery
Ting Chen,
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Shijian Huang,
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Xinyuan Pei
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et al.
Electrochimica Acta,
Journal Year:
2025,
Volume and Issue:
530, P. 146336 - 146336
Published: April 28, 2025
Language: Английский
Electrospinning synthesis of N-doped graphene encapsulated FeCoNiCrCu high-entropy alloy nanoparticles for efficient nitrobenzene hydrogenation
Applied Catalysis B Environment and Energy,
Journal Year:
2025,
Volume and Issue:
unknown, P. 125473 - 125473
Published: May 1, 2025
Language: Английский
Advances and Challenges in Designing Efficient NiFe‐Based Oxygen Electrocatalysts for Rechargeable Zn–Air Batteries
Xiaohong Zou,
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Mingcong Tang,
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Qian Lü
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et al.
Advanced Energy Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 24, 2025
Abstract
Designing
cost‐effective
bifunctional
electrocatalysts
with
high
activity
claims
essential
features
for
accelerating
the
practical
application
process
of
rechargeable
Zn–air
batteries.
NiFe‐based
catalytic
materials
are
viable
candidates
electrocatalysts,
benefiting
from
abundant
reserves,
low
costs,
adjustable
electron
structures,
and
activities.
To
accelerate
industrialization
in
batteries,
it
is
necessary
to
systematically
explore
their
design
strategies
promoting
This
review
first
introduces
working
principle,
reaction
mechanism,
challenges
which
aim
understand
cathodic
catalyst
criteria.
Furthermore,
categorization
catalysts
illustrated
detail
introduce
strategy.
Based
on
understanding,
strategy
catalysts,
including
anionic
modification,
cation
doping,
supporting
effect,
embedding
multi‐component
construction,
summarized
boost
performance
batteries
sustained
stability.
Finally,
some
personal
insights
developing
proposed.
It
believed
that
this
can
offer
valuable
guiding
future
research
advancement
Language: Английский