Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 25, 2024
Developing
low-cost
and
highly
efficient
bifunctional
catalysts
for
both
the
oxygen
evolution
reaction
(OER)
hydrogen
(HER)
is
a
challenging
problem
in
electrochemical
overall
water
splitting.
Here,
iron,
tungsten
dual-doped
nickel
sulfide
catalyst
(Fe/W-Ni
Small Methods,
Journal Year:
2023,
Volume and Issue:
8(9)
Published: Dec. 27, 2023
The
introduction
of
high-valence
state
elements
and
highly
active
species
is
promisingly
desired
to
design
superior
electrocatalysts
for
water
electrolysis.
Exploring
scalable
synthetic
strategies
necessary
an
in-depth
understanding
the
mechanism
improving
electrocatalytic
performance.
But
it
remains
challenging.
Herein,
several
through
element
doping
are
prepared.
obtained
Mo-CoP
Inorganic Chemistry,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 29, 2025
Efficient
and
stable
nonprecious
metal-based
oxygen
evolution
reaction
(OER)
electrocatalysts
are
pivotal
for
water
electrolysis
technology.
Herein,
we
reporting
an
effective
strategy
fabricating
efficient
Co-based
OER
by
low-level
Fe
doping
in
CoMoO4
to
boost
surface
reconstruction
electronic
modulation,
which
resulted
excellent
electroactivity
consequently.
Our
findings
reveal
that
a
mere
5.30%
(wt
%)
of
can
raise
the
O
2p
band
center
energy
nearer
Fermi
level,
reduce
barrier
vacancy
(VO)
formation,
significantly
enhance
electrocatalytic
activity.
Additionally,
fast
dissolution
Mo
initial
facilitated
form
active
oxyhydroxide
species
stabilized
Co
from
leaching.
As
result,
optimized
catalyst
Fe-CoMoO4-0.2
exhibited
low
overpotential
276
mV
at
10
mA
cm-2
1
M
KOH
operate
stably
current
density
20
least
24
h
under
splitting
conditions.
This
work
provides
example
regulating
structure
properties
catalysts.
Small,
Journal Year:
2023,
Volume and Issue:
20(20)
Published: Dec. 10, 2023
Due
to
the
shortage
of
pure
water
resources,
seawater
electrolysis
is
a
promising
strategy
produce
green
hydrogen
energy.
To
avoid
chlorine
oxidation
reactions
(ClOR)
and
production
more
corrosive
hypochlorite,
enhancing
OER
electrocatalyst
activity
key
solving
above
problem.
Considering
that
transition
metal
phosphides
(TMPs)
are
eletrocatalysts
for
splitting,
method
regulate
electronic
structure
FeP
by
introducing
Mn
heteroatoms
phosphorus
vacancy
on
it
(Mn-FeP
