Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 6, 2024
Abstract
The
sub‐nanometer
is
a
key
feature
size
in
materials
science.
Unlike
single‐atom
and
nanomaterials,
effects
inter‐component
cooperative
actions
sub‐nanomaterials
will
effective
on
its
performance
more
significant.
Here,
0.95
nm
ordered
arrangement
Cu
9
S
5
sub‐nanowires
(Cu
SNWs)
are
synthesized
through
the
co‐assembly
effect
of
inorganic
nuclei
)
clusters
(phosphotungstic
acid‐PTA),
achieving
significant
increase
specific
surface
area
sample
≈100%
atomic
exposure
rate,
which
to
high
catalytic
activity.
PTA
not
only
act
as
“charge
transfer
station”
accelerate
electron
process,
but
also
facilitate
dissociation
water
provide
hydrogen
protons,
thus
dramatically
facilitating
electrocatalytic
process.
experimental
results
show
that
SNWs
exhibited
excellent
nitrate
reduction
reaction
(NO
3
−
RR)
properties.
Faraday
efficiency
(FE)
NO
RR
90.4%
at
optimum
potential
−0.3
V
RHE
(reversible
electrode)
ammonia
production
0.37
mmol
h
−1
cm
−2
,
superior
most
reported
electrocatalysts.
In
addition,
Zn‐NO
liquid‐flow
battery
devices
assembled
using
electrode
application
results.
This
work
provides
reference
for
design
highly
efficient
sub‐nanoscale
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 16, 2024
Abstract
The
high‐entropy
materials
(HEMs),
composed
of
five
or
more
elements,
have
attracted
significant
attention
in
electrocatalysis
due
to
their
unique
physicochemical
properties
arising
from
the
existence
multi‐elements
compositions.
Beyond
chemical
composition,
microstructure
significantly
influences
catalytic
performance
and
even
mechanism
towards
energy
conversion
reactions.
Given
rapid
proliferation
research
on
HEMs
critical
roles
performance,
a
timely
comprehensive
review
recent
advancements
is
imperative.
This
meticulously
examines
synthesis
methods
characteristics
with
distinct
one‐dimensional
(1D),
two‐dimensional
(2D),
three‐dimensional
(3D)
morphologies.
By
highlighting
representative
examples
past
years,
we
elucidate
1D,
2D,
3D
microstructures,
detailing
intricate
influence
electrocatalytic
aiming
spur
further
this
promising
area.