The Chemical Record,
Journal Year:
2024,
Volume and Issue:
24(3)
Published: Feb. 19, 2024
Abstract
Electrochemical
water
splitting
for
sustainable
hydrogen
and
oxygen
production
have
shown
enormous
potentials.
However,
this
method
needs
low‐cost
highly
active
catalysts.
Traditional
nano
catalysts,
while
effective,
limits
since
their
sites
are
mostly
restricted
to
the
surface
edges,
leaving
interior
surfaces
unexposed
in
redox
reactions.
Single
atom
catalysts
(SACs),
which
take
advantage
of
high
utilization
quantum
size
effects,
recently
become
appealing
electrocatalysts.
Strong
interaction
between
support
SACs
considerably
improved
catalytic
efficiency
long‐term
stability,
outperforming
nano‐counterparts.
This
review‘s
first
section
examines
Hydrogen
Evolution
Reaction
(HER)
Oxygen
(OER).
In
next
section,
categorized
as
noble
metal,
non‐noble
bimetallic
synergistic
SACs.
addition,
review
emphasizes
developing
methodologies
effective
SAC
design,
such
mass
loading
optimization,
electrical
structure
modulation,
critical
role
materials.
Finally,
Carbon‐based
materials
metal
oxides
being
explored
possible
supports
Importantly,
time,
opens
a
discussion
on
waste‐derived
single
used
electrochemical
reactions,
providing
cost‐effective
dimension
vibrant
research
field.
The
well‐known
design
techniques
discussed
here
may
help
development
electrocatalysts
splitting.
EcoEnergy,
Journal Year:
2024,
Volume and Issue:
2(1), P. 45 - 82
Published: Feb. 22, 2024
Abstract
Metal
suboxides
have
emerged
as
a
class
of
promising
candidates
for
many
electrocatalytic
applications
owing
to
their
enhanced
electrical
conductivity
and
chemical
activities.
In
this
review,
we
summarized
the
recent
progress
metal
suboxides.
We
firstly
introduced
discovery
suboxides,
categories
according
element
tables.
Then
various
synthetic
methods
been
systematically
illustrated
involving
solid‐state
synthesis,
high‐temperature
low‐temperature
synthesis
plasma‐driven
methods,
etc.
addition,
demonstrated
in
field
water,
carbon
nitrogen
cycle‐based
energy
catalysis
technologies
electrochemical
hydrogen
evolution
reaction,
oxygen
reduction
dioxide
reduction,
urea
oxidation
methanol
reaction
nitrate
Finally,
make
brief
conclusion
about
developments
giving
an
outlook
future
research
challenges.
These
insights
are
expected
hold
promise
developing
suboxide
catalysts
toward
practical
applications.
Small,
Journal Year:
2024,
Volume and Issue:
20(45)
Published: July 27, 2024
Abstract
Benefiting
from
similar
hydrogen
bonding
energy
to
Pt
and
much
lower
price
compare
with
Pt,
Ru
based
catalysts
are
promising
candidates
for
electrocatalytic
evolution
reaction
(HER).
The
catalytic
activity
of
nanoparticles
can
be
enhanced
through
improving
their
dispersion
by
using
different
supports,
the
strong
metal
supports
interaction
further
regulate
performance.
In
addition,
single‐atom
(SACs)
almost
100%
atomic
utilization
attract
great
attention
coordinative
atmosphere
single
atoms
adjusted
supports.
Moreover,
syngenetic
effects
improve
performance
catalysts.
this
review,
progress
HER
electrocatalysts
summarized
according
existing
forms,
including
(NPs),
(SAs)
combination
both
NPs
SAs.
common
such
as
carbon
materials,
oxides,
phosphides
sulfides
classified
clarify
active
centers.
Especially,
possible
mechanisms
reasons
improved
discussed
experimental
results
theoretical
calculations.
Finally,
some
challenges
opportunities
prospected
facilitate
development
HER.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(24)
Published: March 18, 2024
Abstract
The
development
of
efficient
and
durable
non‐precious
hydrogen
evolution
reaction
(HER)
catalysts
for
scaling
up
alkaline
water/seawater
electrolysis
is
highly
desirable
but
challenging.
Amorphous‐crystalline
(A‐C)
heterostructures
have
garnered
attention
due
to
their
unusual
atomic
arrangements
at
hetero‐interfaces,
exposed
active
sites,
excellent
stability.
Here,
a
heterogeneous
synthesis
strategy
constructing
A‐C
non‐homogeneous
interfacial
centers
electrocatalysts
on
nanocages
presented.
Isolated
PdCo
clusters
nanoscale
islands
in
conjunction
with
Co
3
S
4
A‐C,
functioning
as
bifunctional
site
“island‐sea”
synergy,
enable
the
dynamic
confinement
design
metal
atoms,
resulting
HER
catalytic
activity
durability.
hierarchical
structure
hollow
porous
nanoclusters,
along
large
surface
area
multi‐dimensional
boundaries
defects,
provides
catalyst
abundant
centers.
Theoretical
calculations
demonstrate
that
combination
regulates
redistribution
interface
electrons
effectively,
promoting
sluggish
water‐dissociation
kinetics
cluster
sites.
Additionally,
PdCo‐Co
heterostructure
exhibit
outstanding
seawater
long‐term
stability
100
h,
which
can
be
powered
by
commercial
silicon
solar
cells.
This
finding
significantly
advances
large‐scale
production.
