The Journal of Physical Chemistry C,
Journal Year:
2024,
Volume and Issue:
128(46), P. 19468 - 19481
Published: Nov. 6, 2024
Electrocatalysis
plays
a
crucial
role
in
energy
conversion
and
storage,
providing
an
effective
way
to
achieve
the
goals
of
carbon
neutrality.
The
combination
electrochemical
methods
with
advanced
spectroscopy
techniques
gives
insightful
in-depth
understanding
electrocatalysis
structure–performance
relationship
catalysts.
In
this
review,
recent
advances
are
summarized
focus
on
electronic
structure
electrocatalysts
relevant
dynamical
reaction
processes,
further
research
challenges
developments
outlined
for
field
electrocatalysis.
Science Advances,
Journal Year:
2025,
Volume and Issue:
11(9)
Published: Feb. 26, 2025
Nitrogen-coordinated
metal
sites
(MN
x
)
in
metal-
and
nitrogen-codoped
carbon
(M-N-C)
catalysts
offer
promising
electrocatalytic
activity,
but
selective
synthetic
design
of
MN
with
specific
coordination
environments
remains
challenging.
Here,
we
manipulate
the
formation
statistics
by
using
sacrifice
alkali
metals
(AM
=
Li,
Na,
K)
to
form
vacancy-N
(AM-MVN
-C)
templates,
which
are
used
direct
solution-phase
CoN
4
Co-N-C
catalysts.
We
build
a
probability
weight
function
based
on
embedding
energy
M
as
descriptor
for
statistics,
predict
that
prone
induce
MVN
sites.
By
coordinating
Co
2+
ions
AM-MVN
-C
synthesize
sites,
demonstrating
remarkable
oxygen
reduction
activity
anion
exchange
membrane
fuel
cells.
These
results
highlight
statistical
thermodynamics
open
up
possibility
rational
complex
M-N-C
electrocatalysts
well-defined
Nonradical
Fenton-like
catalysis
offers
an
opportunity
to
degrade
extracellular
antibiotic
resistance
genes
(eARGs).
However,
high-loading
single-atom
catalysts
(SACs)
with
controllable
configurations
are
urgently
required
selectively
generate
high-yield
nonradicals.
Herein,
we
constructed
Fe
SACs
(5.4-34.2
wt
%)
uniform
Fe-N4
sites
via
optimized
coordination
balance
of
supermolecular
assembly
for
peroxymonosulfate
activation.
The
selectivity
singlet
oxygen
(1O2)
generation
and
its
contribution
eARGs
degradation
were
both
>98%.
This
targeting
strategy
oxidizing
guanines
low
ionization
potentials
by
1O2
allowed
7
log
within
10
min
eliminated
their
transformation
2
min,
outperforming
most
reported
advanced
oxidation
processes.
Relevant
interactions
between
revealed
at
a
single-molecule
resolution.
exhibited
excellent
universality
stability
different
water
matrices.
These
findings
provide
promising
route
constructing
efficient
selective
treatment.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(56), P. 7113 - 7123
Published: Jan. 1, 2024
The
progress
of
proton
exchange
membrane
fuel
cells
(PEMFCs)
in
the
clean
energy
sector
is
notable
for
its
efficiency
and
eco-friendliness,
although
challenges
remain
terms
durability,
cost
power
density.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
64(1)
Published: Sept. 3, 2024
Dual-atom
catalysts
(DACs)
have
garnered
significant
interest
due
to
their
remarkable
catalytic
reactivity.
However,
achieving
atomically
precise
control
in
the
fabrication
of
DACs
remains
a
major
challenge.
Herein,
we
developed
straightforward
and
direct
sublimation
transformation
synthesis
strategy
for
dual-atom
Fe
(Fe
Microstructures,
Journal Year:
2025,
Volume and Issue:
5(2)
Published: March 19, 2025
Among
the
reported
non-precious-metal
catalysts,
metal-nitrogen-carbon
(M-N-C)
catalysts
have
emerged
as
a
research
cornerstone
in
field
of
electrocatalysis,
showcasing
unparalleled
activity
oxygen
reduction
reactions
that
rivals
or
even
exceeds
commercial
Pt
catalysts.
Despite
boasting
high
atom
utilization
and
adjustable
effective
centers,
M-N-C
suffer
from
inadequate
long-term
stability
under
high-pressure
harshly
acidic
conditions
within
proton
exchange
membrane
fuel
cells
(PEMFCs).
This
drawback
poses
significant
challenge
critically
limits
their
potential
for
widespread
applications.
From
this
perspective,
we
commence
by
delineating
pivotal
strategies
to
augment
performance
at
microscopic
level,
including
tuning
intrinsic
individual
active
sites
manipulation
quantity.
Furthermore,
delve
into
benefits
derived
synergistic
effects
unleashed
incorporation
multi-component
sites.
At
mesoscopic
perspective
engages
with
design
principles
aimed
enhancing
intricate
three-phase
boundary
PEMFCs.
Ultimately,
prospect
opportunities
challenges
facing
future
evolution
aim
offering
comprehensive
guidance
advancement
highly
stable
tailored
PEMFC
Molecules,
Journal Year:
2024,
Volume and Issue:
29(16), P. 3785 - 3785
Published: Aug. 10, 2024
Fe-N-C
materials
have
been
regarded
as
one
of
the
potential
candidates
to
replace
traditional
noble-metal-based
electrocatalysts
for
oxygen
reduction
reaction
(ORR).
It
is
believed
that
structure
carbon
support
in
plays
an
essential
role
highly
efficient
ORR.
However,
precisely
designing
morphology
and
surface
chemical
remains
a
challenge.
Herein,
we
present
novel
synthetic
strategy
preparation
porous
spheres
(PCSs)
with
high
specific
area,
well-defined
pore
structure,
tunable
controllable
heteroatom
doping.
The
synthesis
involves
Schiff-based
polymerization
utilizing
octaaminophenyl
polyhedral
oligomeric
silsesquioxane
(POSS-NH2)
heteroatom-containing
aldehydes,
followed
by
pyrolysis
HF
etching.
PCS
can
provide
confinement
field
ferroin
transform
into
sites
after
carbonization.
be
easily
achieved
changing
solvents.
tailored
different
aldehydes.
After
optimizing
PCS,
loading
on
N,S-codoped
sphere
(NSPCS-Fe)
displays
outstanding
ORR
activity
alkaline
solution.
This
work
paves
new
path
fabrication
desired
well-designed
demonstrating
significant
energy-related
applications.
