ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
7(9), P. 4260 - 4267
Published: April 16, 2024
The
development
of
cost-effective
electrocatalysts
with
high
performance
for
oxygen
evolution
and
urea
oxidation
reaction
(OER/UOR)
is
desirable
but
remains
a
great
challenge.
Here,
we
report
facile
strategy
boron-doping
cobalt
cobalt–phosphide
interfacial
(B–Co/Co2P)
bifunctional
OER/UOR.
By
virtue
B
doping,
the
abundant
exposed
active
sites
as
well
enhanced
electrical
conductivity
can
efficiently
improve
charge
migration
heterogeneous
sites.
Therefore,
obtained
B–Co/Co2P
exhibit
OER/UOR
activities
an
outstanding
overpotential
284
107
mV
at
industrial
current
density
100
mA
cm–2,
respectively.
Such
excellent
catalytic
attributed
to
fact
that
dopant
adjusts
electron
distribution
optimizes
adsorption/desorption
intermediate
species,
reduces
energy
barriers
water
oxidation.
Furthermore,
setup
two-electrode
cell
requires
merely
overpotentials
280.7
56.9
drive
10
cm–2
robust
stability
in
splitting
electrolysis,
Overall,
this
provides
construct
catalysts
efficiency
hydrogen
generation.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(38), P. 15540 - 15564
Published: Jan. 1, 2024
This
review
summarizes
recent
advances
in
MXene
and
transition
metal
oxide
(TMO)
electrocatalysts
for
enhancing
oxygen
evolution
reaction
(OER),
concluding
with
key
findings
future
research
directions
further
improvements.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(26), P. 10084 - 10091
Published: Jan. 1, 2024
We
developed
a
dual-strategy
of
Fe
doping
and
CeO
2
decoration
to
optimize
the
electronic
structure
reaction
energy
barrier
Ni
P
achieve
energy-efficient
chlorine-free
hydrogen
production
by
coupling
HER
with
HzOR
in
seawater.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(50)
Published: Aug. 7, 2023
Abstract
Due
to
the
sluggish
kinetics
of
oxygen
evolution
reaction
(OER),
electrocatalysts
are
urgently
needed
simultaneously
achieve
increased
activity,
enhanced
stability,
and
reduced
cost.
Herein,
CoFePS
quaternary
alloy
sub‐nanometric
sheet
is
synthesized
via
synchronously
phosphor‐sulfurizing
CoFe‐bimetallene.
Heteroatomization
results
in
increasing
conductivity,
enhancing
interactions
with
electrolyte,
improving
chemical
structural
stability
exhibit
a
current
density
10
mA
cm
−2
at
211
mV
large
1053
570
mV.
Density
functional
theory
calculations
reveal
that
adjustment
Fermi
levels
adjacent
metal
atoms
reduces
energy
barrier
accelerates
electron
transfer,
resulting
Tafel
slope
14
dec
−1
.
In
situ
Raman
monitors
formation
phosphor‐sulfate
shell
oxidized
surface
as
active
sites
improved
OER
CoFePS,
retention
rate
99.7%
for
78
h.
This
study
provides
promising
strategy
synthesis
multicomponent
good
electrocatalyst
candidates
OER.