Phase‐controllable cobalt phosphide heterostructure for efficient electrocatalytic hydrogen evolution in water and seawater
Guohe Huang,
No information about this author
Yujin Huang,
No information about this author
Asad Ali
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et al.
Electron,
Journal Year:
2024,
Volume and Issue:
2(3)
Published: July 25, 2024
Abstract
Cobalt
phosphides
attract
broad
attention
as
alternatives
to
platinum‐based
materials
towards
hydrogen
evolution
reaction
(HER).
The
catalytic
performance
of
cobalt
largely
depends
on
the
phase
structure,
but
figuring
out
optimal
HER
remains
challenging
due
their
diverse
stoichiometries.
In
our
work,
a
series
phosphide
nanoparticles
with
different
structures
similar
particle
sizes
(CoP‐Co
2
P,
Co
P‐Co,
and
CoP)
porous
carbon
network
(PC)
were
accurately
synthesized.
CoP‐Co
P/PC
heterostructure
demonstrates
upgraded
activity
low
overpotential
96.7
162.1
mV
at
10
mA
cm
−2
in
1
M
KOH
phosphate‐buffered
saline
solution,
respectively,
long‐term
(120
h)
durability.
addition,
exhibits
good
alkaline
seawater,
small
111.2
Tafel
slope
64.2
dec
−1
,
well
promising
stability.
Density
functional
theory
results
show
that
P
side
has
best
Gibbs
free
energy
each
step
for
HER,
which
contributes
high
activity.
This
study
sets
stage
advancement
high‐performance
electrocatalysts
implementation
large‐scale
seawater
electrolysis.
Language: Английский
In situ Construction of Free-Standing High-Performance Ni-Based Dual Intermetallic Composites for Alkaline Hydrogen Evolution
Transactions of Tianjin University,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 10, 2025
Language: Английский
NiFeOOH deposition on various 3D electrode geometries to influence bubble dynamics under technical relevant alkaline water electrolysis conditions
International Journal of Hydrogen Energy,
Journal Year:
2025,
Volume and Issue:
122, P. 220 - 228
Published: April 1, 2025
Language: Английский
Oxygen vacancy mediated oxidative reforming of polylactic acid to hydrocarbon
Jingya Ye,
No information about this author
Liang Li,
No information about this author
Ning Li
No information about this author
et al.
Applied Catalysis B Environment and Energy,
Journal Year:
2025,
Volume and Issue:
unknown, P. 125413 - 125413
Published: April 1, 2025
Language: Английский
Lanthanide-doped enhances Ni-Sb-SnO2 orbital hybridization: Promoting efficient electrochemical ozone production and chlorine evolution reaction
Yufeng Xue,
No information about this author
Jiayong Si,
No information about this author
Jinfu Cai
No information about this author
et al.
Chemical Engineering Journal,
Journal Year:
2024,
Volume and Issue:
unknown, P. 158098 - 158098
Published: Nov. 1, 2024
Language: Английский
Engineering GaN photoanodes for high-efficiency solar-driven hydrogen production: Bridging longevity and performance in photoelectrochemical energy systems
International Journal of Hydrogen Energy,
Journal Year:
2024,
Volume and Issue:
95, P. 340 - 361
Published: Nov. 20, 2024
Language: Английский
Facile synthesis of Ir-based high-entropy alloy nanomaterials for efficient oxygen evolution electrocatalysis
Xiaodong Hao,
No information about this author
Yuzhao Qi,
No information about this author
Shukai Ding
No information about this author
et al.
Journal of Colloid and Interface Science,
Journal Year:
2024,
Volume and Issue:
683, P. 1096 - 1105
Published: Dec. 19, 2024
Language: Английский
Systematic Study on Heating Characteristics of a Rotating Coaxial Probe-Type Microwave Reactor
Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(33), P. 14882 - 14896
Published: Aug. 6, 2024
In
this
study,
a
coaxial
rotating
probe-type
microwave
(MW)
reactor
for
nanoparticle
synthesis
was
designed,
and
its
performance
analyzed
using
numerical
modeling.
The
heating
characteristics
of
the
were
systematically
in
terms
average
temperature,
maximum
temperature
variance
coefficient,
difference.
results
showed
that
introduction
probes
effectively
eliminated
hot
spots
reactor,
which
could
preclude
process
from
being
affected
by
difference
inside
greatly
improve
MW
efficiency.
reduced
more
than
five
times
at
time
60
s
with
probes.
Subsequently,
effects
main
factors,
such
as
input
power,
frequency,
solution
dielectric
properties,
probe
configuration,
rotational
speed,
analyzed.
spot
indicator
Hs
COVT
can
be
least
three
conditions
frequency
f
=
2.45
GHz
configurations
Ψ2*
0.08333
Ψ3*
0.29166
when
selecting
speed
Ω1
16,513.
Reasonable
regulation
constant
loss
factor
make
solution's
response
to
ideal.
Increasing
is
very
effective
weakening
spot.
addition,
comparison
among
designed
multimode
cubic
cavity
stationary
conducted,
showing
exhibited
much
better
COVT.
Language: Английский