Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 18, 2024
The
use
of
efficient
and
affordable
non-precious
metal
catalysts
for
hydrogen
oxygen
evolution
reactions
is
vital
replacing
widely
implementing
new
energy
sources.
Nevertheless,
improving
the
catalytic
performance
these
non-precious-metal
bifunctional
electrocatalysts
continues
to
be
a
major
challenge.
In
this
article,
an
optimized
Se-incorporated
bulk
CoS
Catalysts,
Journal Year:
2025,
Volume and Issue:
15(2), P. 124 - 124
Published: Jan. 27, 2025
Rapid
industrial
growth
has
overexploited
fossil
fuels,
making
hydrogen
energy
a
crucial
research
area
for
its
high
and
zero
carbon
emissions.
Water
electrolysis
is
promising
method
as
it
greenhouse
gas-free
energy-efficient.
However,
OER,
slow
multi-electron
transfer
process,
the
limiting
step.
Thus,
developing
efficient,
low-cost,
abundant
electrocatalysts
vital
large-scale
water
electrolysis.
In
this
paper,
application
progress
of
transition
metal
chalcogenides
(TMCs)
catalysts
oxygen
evolution
reaction
in
recent
years
are
comprehensively
reviewed.
The
key
findings
highlight
catalytic
mechanism
performance
TMCs
synthesized
using
single
or
multiple
metals.
Notably,
modifications
through
recombination,
heterogeneous
interface
engineering,
vacancy,
atom
doping
found
to
effectively
regulate
electronic
structure
chalcogenides,
increasing
number
active
centers
reducing
adsorption
intermediates
barriers
OER.
paper
further
discusses
shortcomings
challenges
OER
catalysts,
including
low
electrical
conductivity,
limited
sites,
insufficient
stability
under
harsh
conditions.
Finally,
potential
directions
new
TMC
with
enhanced
efficiency
proposed.