Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(44)
Published: May 28, 2024
Abstract
Doping
and
compositing
are
two
universal
design
strategies
used
to
engineer
the
electronic
state
of
a
material
mitigate
its
disadvantages.
These
extensively
applied
efficient
electrocatalysts
for
water
splitting.
Using
cobalt
oxide
(CoO)
as
model
catalyst,
it
is
proven
that
oxygen
evolution
reaction
(OER)
performance
can
be
progressively
improved,
first
by
Fe‐doping
form
Fe‐CoO
solid
solution,
further
addition
CeO
2
produce
Fe‐CoO/CeO
composite.
X‐ray
absorption
spectroscopy
(XAS)
reveals
distinct
interactions
induced
processes
doping
compositing.
CoO
break
down
structural
symmetry,
changing
structure
both
Co
O
species
at
surface
decreasing
flat‐band
potential
(V
fb
).
In
comparison,
subsequent
with
induces
negligible
changes
in
(as
seen
ex
situ
characterizations),
but
significantly
modifies
oxidative
transformations
Fe
under
OER
conditions.
The
spectroscopic
investigations
reveal
play
different
roles
modifying
properties
pristine
during
catalysis,
return,
providing
useful
guidance
more
using
these
strategies.
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(11), P. 5593 - 5625
Published: Jan. 1, 2024
The
oxygen
evolution
reaction
(OER)
mechanisms
using
transition
metal-based
electrocatalysts
are
instrumental
in
providing
novel
insights
into
both
natural
and
artificial
energy
conversion
processes.
Materials Horizons,
Journal Year:
2024,
Volume and Issue:
11(7), P. 1797 - 1807
Published: Jan. 1, 2024
The
obtained
bimetallic
sulfide
catalyst
can
be
reconstituted
as
FeCoOOH,
which
has
high
efficacy
for
water
splitting.
activation
energy
barrier
of
key
reaction
steps
effectively
reduced
by
dual-metal
cooperation.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(26)
Published: Feb. 15, 2024
Abstract
Rationally
designing
of
highly
efficient
electrocatalysts
is
critical
to
improving
hydrogen
production
by
water
electrolysis.
However,
bottlenecks
still
require
consideration
when
optimizing
the
intrinsic
performance
electrocatalysts.
Applying
appropriate
external
fields
catalytic
systems
may
effectively
overcome
such
and
enhance
catalysts.
Among
various
fields,
magnetic
field
has
received
extensive
attention
owing
its
multifunctionality,
non‐contact
nature,
non‐invasiveness,
thereby
requiring
more
research
development.
In
this
review,
recent
advances
in
field‐assisted
electrolysis
are
systematically
outlined.
Firstly,
diverse
methods
used
for
pre‐regulating
catalysts
under
including
optimized
nucleation,
induction
heating,
directed
growth,
discussed.
It
then
explores
effects
on
electrochemical
processes,
magnetothermal,
magnetohydrodynamic,
induced
electric
impact.
Then,
influences
properties
catalysts,
as
spin
polarization
reconstruction
effects,
addressed.
Finally,
a
discussion
potential
perspectives
field‐enhanced
splitting,
catalyst
design,
experimental
precision,
situ
characterization,
provided
guide
further
research.
Proceedings of the National Academy of Sciences,
Journal Year:
2023,
Volume and Issue:
120(32)
Published: July 31, 2023
The
electrochemical
oxidation
process
has
the
unique
advantage
of
in-situ
•OH
generation
for
deep
mineralization
organic
pollutants,
which
is
expected
to
provide
a
solution
globally
decentralized
wastewater
treatment
and
reuse.
However,
it
still
great
challenge
develop
low-cost
anodes
with
ultrahigh
yield
low
energy
consumption.
Here,
stable
mixed
metal
oxide
(MMO)
anode
(Cu-Sb-SnO
2
)
developed
by
simple
scalable
preparation
presents
extremely
high
pollutants
degradation
efficiency
tetracycline
kinetics
constant
Cu-Sb-SnO
system
(0.362
min
−1
was
9
45
times
higher
than
that
other
prepared
anodes,
superior
existing
reported
so
far.
experimental
results
theoretical
calculations
indicate
moderate
oxygen
evolution
potential,
larger
water
adsorption
energy,
lower
reaction
barrier,
conducive
selective
generate
•OH.
Notably,
systematically
comprehensively
confirmed
triggered
in
situ
electrogenerated
Cu(III)
increased
steady-state
concentration
over
four
times.
Furthermore,
doped
Cu
species
can
play
key
role
promoting
charge
transfer
as
an
“electronic
porter”
between
Sn
Sb
electrocatalytic
adjusting
electronic
structure
Sb-SnO
electrode.
This
work
paves
way
development
MMO
utilizing
redox
shuttle.
