Oxygen,
Journal Year:
2023,
Volume and Issue:
3(4), P. 407 - 451
Published: Nov. 16, 2023
Addressing
the
global
environmental
problem
of
water
splitting
to
produce
hydrogen
fuel
by
solar
energy
is
receiving
so
much
attention.
In
splitting,
essential
solve
development
efficient
catalysts
for
oxygen
production.
this
paper,
having
prospect
a
practical
application
photocatalysts
artificial
photosynthesis,
molecular
mechanisms
in
current
literature
are
briefly
reviewed.
At
first,
recent
progress
function
Mn
cluster
at
natural
photosystem
II
described.
The
kinds
devices
which
evolution
reaction
(OER)
used
were
designated:
electrolyzers,
photoelectrodes,
and
photocatalysts.
Some
methods
analyzing
OER
catalysis,
emphasized
FTIR
method,
shown
briefly.
After
describing
common
mechanisms,
discussed
TiO2
BiVO4
photoelectrodes
with
our
novel
data,
followed
presenting
co-catalysts
IrO2,
RuO2,
NiO2,
other
metal
oxides.
Recent
reports
perovskites,
layered
double
hydroxides
(LDH),
metal–organic
frameworks
(MOF),
single-atom
catalysts,
as
well
complexes
Finally,
comparing
photosystem,
required
factors
improve
activity
photosynthesis
will
be
discussed.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(10), P. 12398 - 12406
Published: Feb. 27, 2024
The
metal-nitrogen-carbon
(M-N-C)-based
catalysts
are
promising
to
replace
PGM
(platinum
group
metal)
accelerate
oxygen
reduction
reaction
due
their
excellent
electrocatalytic
performance.
However,
the
inferior
intrinsic
activity
and
poor
active
site
density
confining
further
improvement
in
Modulating
electronic
structure
reasonably
designing
pore
widely
acknowledged
effective
strategies
boost
of
M-N-C
catalysts.
it
is
a
great
challenge
form
abundant
pores
regulate
via
facile
method.
Herein,
hierarchical,
porous
dual-atom
catalyst
FeNi-NPC-1000
has
been
architectured
by
Na
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(28)
Published: May 9, 2024
The
single-atom
Fe-N-C
catalyst
has
shown
great
promise
for
the
oxygen
reduction
reaction
(ORR),
yet
intrinsic
activity
is
not
satisfactory.
There
a
pressing
need
to
gain
deeper
understanding
of
charge
configuration
and
develop
rational
modulation
strategies.
Herein,
we
have
prepared
Fe
with
co-coordination
N
O
(denoted
as
Fe-N/O-C)
adjacent
defect,
proposing
strategy
optimize
d-orbital
spin-electron
filling
sites
by
fine-tuning
first
coordination
shell.
Fe-N/O-C
exhibits
significantly
better
ORR
compared
its
counterpart
commercial
Pt/C,
much
more
positive
half-wave
potential
(0.927
V)
higher
kinetic
current
density.
Moreover,
using
catalyst,
Zn-air
battery
proton
exchange
membrane
fuel
cell
achieve
peak
power
densities
up
490
1179
mW
cm
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 14, 2025
Abstract
Exploring
highlyefficient
electrocatalysts
for
overall
water
splitting
is
a
challenging
butnecessary
task
development
of
green
and
renewable
energy.
Herein,
PtIrFeCoNi
high‐entropy
alloy
nanoflowers
(HEA
NFs)
withstrong
3d‐5d
orbital
hybridization
were
fabricated
to
achieve
highly
efficientoverall
at
high
current
density.
The
Pt
26
Ir
7
Fe
13
Co
22
Ni
32
HEA
NFs
achieved
57.52‐fold
higher
than
commercial
IrO
2
in
turnoverfrequency
(TOF)
oxygen
evolution
reaction
(OER).
Besides,
its
TOF
value
forhydrogen
(HER)
was
2.11‐fold
that
commercialPt/C.
cell
voltages
based
on
only
1.594
V
1.861
currentdensities
100
mA
cm
−2
500
,
which
weresignificantly
lower
those
Pt/C
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(28)
Published: May 9, 2024
Abstract
The
single‐atom
Fe−N−C
catalyst
has
shown
great
promise
for
the
oxygen
reduction
reaction
(ORR),
yet
intrinsic
activity
is
not
satisfactory.
There
a
pressing
need
to
gain
deeper
understanding
of
charge
configuration
and
develop
rational
modulation
strategies.
Herein,
we
have
prepared
Fe
with
co‐coordination
N
O
(denoted
as
Fe−N/O−C)
adjacent
defect,
proposing
strategy
optimize
d‐orbital
spin‐electron
filling
sites
by
fine‐tuning
first
coordination
shell.
Fe−N/O−C
exhibits
significantly
better
ORR
compared
its
counterpart
commercial
Pt/C,
much
more
positive
half‐wave
potential
(0.927
V)
higher
kinetic
current
density.
Moreover,
using
catalyst,
Zn‐air
battery
proton
exchange
membrane
fuel
cell
achieve
peak
power
densities
up
490
1179
mW
cm
−2
,
respectively.
Theoretical
studies
in
situ
electrochemical
Raman
spectroscopy
reveal
that
undergoes
redistribution
negative
shifting
d‐band
center
Fe−N−C,
thus
optimizing
adsorption
free
energy
intermediates.
This
work
demonstrates
feasibility
introducing
an
asymmetric
shell
catalysts
provides
new
optimization
direction
their
practical
application.
Small Methods,
Journal Year:
2024,
Volume and Issue:
8(7)
Published: Jan. 5, 2024
Abstract
Single‐atom
catalysts
(SACs)
have
made
great
progress
in
recent
years
as
potential
for
energy
conversion
and
storage
due
to
their
unique
properties,
including
maximum
metal
atoms
utilization,
high‐quality
activity,
defined
active
sites,
sustained
stability.
Such
advantages
of
single‐atom
significantly
broaden
applications
various
energy‐conversion
reactions.
Given
the
extensive
utilization
catalysts,
methods
specific
examples
improving
performance
different
reaction
systems
based
on
Sabatier
principle
are
highlighted
reactant
binding
volcano
relationship
curves
derived
non‐homogeneous
catalytic
systems.
The
challenges
opportunities
improve
also
focused
upon,
selection,
coordination
environments,
interaction
with
carriers.
Finally,
it
is
expected
that
this
work
may
provide
guidance
design
high‐performance
thereby
accelerate
rapid
development
targeted
reaction.
