Nano Letters,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 30, 2024
The
magnetic
heating
effect
under
alternating
fields
(AMFs)
has
recently
gained
attention
in
catalysis
due
to
its
potential
greatly
boost
catalytic
activities
by
providing
localized
around
nanoparticles.
However,
nanoparticles
still
suffer
from
low
efficiency
their
anisotropy
and
thermal
fluctuation,
which
is
a
key
barrier
the
wide
application
of
AMF-assisted
catalysis.
Herein,
introducing
pinning
ferromagnetic/antiferromagnetic
(FM/AFM)
coupling,
NiO/NiOOH
(AFM/FM)
core-shell
exhibit
significantly
enhanced
oxygen
evolution
reaction
activity
resistance
fluctuations
AMF,
compared
NiOOH
Notably,
magnetized
provide
an
overpotential
186
mV
at
10
mA
cm
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(46)
Published: Aug. 6, 2024
Abstract
The
rational
manipulation
of
the
surface
reconstruction
catalysts
is
a
key
factor
in
achieving
highly
efficient
water
oxidation,
but
it
challenge
due
to
complex
reaction
conditions.
Herein,
we
introduce
novel
situ
strategy
under
gradient
magnetic
field
form
catalytically
active
species
on
ferromagnetic/paramagnetic
CoFe
2
O
4
@CoBDC
core–shell
structure
for
electrochemical
oxygen
evolution
(OER).
We
demonstrate
that
Kelvin
force
from
cores’
local
modulates
shells’
reconstruction,
leading
higher
proportion
Co
2+
as
sites.
These
sites
with
optimized
electronic
configuration
exhibit
more
favorable
adsorption
energy
oxygen‐containing
intermediates
and
lower
activation
overall
catalytic
reaction.
As
result,
significant
enhancement
OER
performance
achieved
large
current
density
increment
about
128
%
at
1.63
V
an
overpotential
reduction
by
28
mV
10
mA
cm
−2
after
reconstruction.
Interestingly,
removing
external
field,
activity
could
persist
over
100
h.
This
work
showcases
directional
enhanced
oxidation.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Regulating
the
ferroelectric
polarization
in
catalysts
is
an
emerging
strategy
to
advance
water
splitting
reactions,
with
merits
of
high
charge
transfer
rate,
creation
real
active
sites,
and
optimizing
chemisorption
energy.
National Science Review,
Journal Year:
2024,
Volume and Issue:
11(9)
Published: Aug. 13, 2024
The
shift
towards
sustainable
energy
requires
efficient
electrochemical
conversion
technologies,
emphasizing
the
crucial
need
for
robust
electrocatalyst
design.
Recent
findings
reveal
that
efficiency
of
some
electrocatalytic
reactions
is
spin-dependent,
with
spin
configuration
dictating
performance.
Consequently,
understanding
spin's
role
and
controlling
it
in
electrocatalysts
important.
This
review
succinctly
outlines
recent
investigations
into
spin-dependent
electrocatalysis,
stressing
its
importance
conversion.
It
begins
an
introduction
to
spin-related
features,
discusses
characterization
techniques
identifying
configurations,
explores
strategies
fine-tuning
them.
At
end,
article
provides
insights
future
research
directions,
aiming
more
unknown
fundamentals
electrocatalysis
encourage
further
exploration
applications.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 14, 2024
Dual-atom
catalysts
with
nitrogen-coordinated
metal
sites
embedded
in
carbon
can
drive
the
oxygen
reduction
and
evolution
reactions
(ORR/OER)
rechargeable
zinc-air
batteries
(ZABs),
further
improvement
is
limited
by
linear
scaling
relationship
of
intermediate
binding
energies
absorbate
mechanism
(AEM).
Triggering
lattice
(LOM)
promising
to
overcome
this
challenge,
but
has
yet
been
verified
since
lacking
bridge
(O)
rigid
coordination
environment
centers.
Here,
we
demonstrate
that
suitably
tailored
dual-atom
FeCo-N-C
undergo
out-plane
in-plane
reconstruction
form
both
axial
O
at
centers,
thus
activate
LOM
pathway.
The
shortened
Fe-N
bonds
also
favors
ORR
process,
therefore
a
catalyst.
assembled
ZABs
peak
power
density
332
mW
cm
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
This
review
outlines
recent
advances
in
field-regulated
catalysis
and
reveals
the
key
role
of
dipole
manipulation
by
electric/magnetic/electromagnetic
fields.
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 14, 2024
Abstract
Dual‐atom
catalysts
with
nitrogen‐coordinated
metal
sites
embedded
in
carbon
can
drive
the
oxygen
reduction
and
evolution
reactions
(ORR/OER)
rechargeable
zinc–air
batteries
(ZABs),
further
improvement
is
limited
by
linear
scaling
relationship
of
intermediate
binding
energies
absorbate
mechanism
(AEM).
Triggering
lattice
(LOM)
promising
to
overcome
this
challenge,
but
has
yet
been
verified
since
lacking
bridge
(O)
rigid
coordination
environment
centers.
Here,
we
demonstrate
that
suitably
tailored
dual‐atom
FeCo−N−C
undergo
out‐plane
in‐plane
reconstruction
form
both
axial
O
at
centers,
thus
activate
LOM
pathway.
The
shortened
Fe−N
bonds
also
favors
ORR
process,
therefore
a
catalyst.
assembled
ZABs
peak
power
density
332
mW
cm
−2
,
exhibit
no
notable
decline
after
~720
h
continuous
cycling.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
Abstract
The
spin‐polarization
strategy
by
manipulating
magnetic
electrocatalysts
can
promote
the
spin‐sensitive
oxygen
evolution
reaction
(OER)
while
developing
efficient
spin‐polarized
materials
toward
ampere‐level
OER
is
still
challenging.
Herein,
a
hierarchical
inter‐doped
(Ru‐Ni)O
x
nanosheet
array
in
situ
grown
on
nickel
foam
designed,
which
exhibits
distinguished
overpotential
of
286
mV
at
1
A
cm
−2
under
0.4
T
field
and
steady
lifespan
200
h
ampere
current
density
(i.e.,
),
outperforming
most
reported
state‐of‐art
spin‐selective
catalysts
alkaline
electrolytes
Integrating
intrinsic
interfacial
significantly
boost
catalytic
activity
for
field.
Specifically,
spin‐aligned
Ru
sites
optimize
rate‐determined
O─O
coupling
step
to
reduce
thermodynamic
barrier
OER.
Meanwhile,
charge
transfer
kinetics
promoted
due
accelerating
electron
via
spin
pinning
ferromagnetic‐antiferromagnetic
interface.
design
structure
that
integrates
strategies
provides
an
additional
route
catalyst
capable
serving
densities.
Advanced Energy and Sustainability Research,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 16, 2025
The
sluggish
kinetics
of
oxygen‐involved
electrolysis,
such
as
oxygen
evolution
reaction
(OER)
and
reduction
(ORR),
hinders
the
efficiency
pertaining
energy
conversion
process,
which
can
be
promoted
by
using
spin‐selective
materials
to
align
spin
direction
intermediates.
This
review
delivers
a
thorough
timely
overview
state‐of‐the‐art
catalysts
for
OER
ORR.
Primarily,
fundamental
principle
process
is
depicted
spin‐sensitive
pathways,
pointing
out
that
existence
spin‐polarized
adsorption
sites
necessary
development
catalysts.
Subsequently,
approaches
investigating
spin‐related
transition
during
electrocatalysis
are
introduced
reviewing
in
situ
technologies
theoretical
calculations.
Then,
reported
categorized
into
intrinsic
materials,
doping‐induced
multiple
magnetic
composites
discuss
their
application
electrocatalytic
ORR
well
mechanism
polarization.
Finally,
open
questions
prospects
this
field
concluded,
aiming
offer
clear
route
designing
novel
highly‐efficient
industrial
electrocatalysis.
