ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
14(12), P. 9413 - 9420
Published: June 6, 2024
Palladium
(Pd)
phosphides
are
considered
a
kind
of
highly
promising
catalytic
material
as
Pt
alternative
for
the
hydrogen
evolution
reaction
(HER).
However,
well-studied
Pd
phosphide
catalysts
still
suffer
from
sluggish
HER
kinetics
because
inappropriate
adsorption
strengths
and
water.
Herein,
we
synthesized
Pd5P2/PdP2
heterogeneous
nanoparticle
catalyst
with
good
performance
in
both
acidic
(η10
=
28
mV,
η500
150
mV)
alkaline
electrolytes
31.2
180
mV).
Moreover,
Pd5P2/PdP2@CNTs
exhibit
low
Tafel
slope
value
24.3
mV
dec–1
high
turnover
frequency
38.9
s–1
at
100
0.5
M
H2SO4,
which
one
best
reported
state-of-the-art
noble
metal-based
electrocatalysts.
In
addition,
flow-type
water
electrolyzers
[PdP2/Pd5P2@CNTs(−)||S–NiFe-LDH(+)]
[PdP2/Pd5P2@CNTs(−)||IrO2(+)]
were
operated
successfully
cell
voltage
1.71
1.75
V
75
°C,
respectively,
electrolytes,
can
also
be
driven
by
solar
cart
without
additional
energy
applied,
even
an
industrial
current
density
500
mA
cm–2.
situ
Raman
temperature-programmed
desorption
experiments
demonstrate
that
moderate
H2O
absorption
strength
faster
H2
on
PdP2/Pd5P2
heterojunction
promote
dissociation
release
H2,
thereby
improving
its
performance.
This
work
highlights
interface
modulation
design
principle,
may
inspire
development
more
advanced
catalysts.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(26)
Published: March 29, 2024
Manipulating
the
structural
and
kinetic
dissociation
processes
of
water
at
catalyst-electrolyte
interface
is
vital
for
alkaline
hydrogen
evolution
reactions
(HER)
industrial
current
density.
This
seldom
actualized
due
to
intricacies
electrochemical
reaction
interface.
Herein,
this
work
introduces
a
rapid,
nonequilibrium
cooling
technique
synthesizing
ternary
Turing
catalysts
with
short-range
ordered
structures
(denoted
as
FeNiRu/C).
These
advanced
empower
FeNiRu/C
exhibit
excellent
HER
performance
in
1
m
KOH
an
ultralow
overpotential
6.5
166.2
mV
10
1000
mA
cm
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(28), P. 17252 - 17259
Published: Jan. 1, 2024
The
selective
oxidation
of
organic
small
molecules
not
only
promotes
cathodic
hydrogen
production,
but
also
acts
as
an
alternative
reaction
to
the
anodic
oxygen
evolution
electrolytic
water,
producing
value-added
products
at
anode.
Nanoscale,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Rice
leaves
inspired
the
development
of
an
anisotropic
microstructured
gas
conduction
electrode
featuring
rapid
desorption
and
transfer
bubbles
to
achieve
highly
efficient
hydrogen
production.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
Abstract
With
the
expanding
adoption
of
large‐scale
energy
storage
systems
and
electrical
devices,
batteries
supercapacitors
are
encountering
growing
demands
challenges
related
to
their
capability.
Amorphous/crystalline
heterostructured
nanomaterials
(AC‐HNMs)
have
emerged
as
promising
electrode
materials
address
these
needs.
AC‐HNMs
leverage
synergistic
interactions
between
amorphous
crystalline
phases,
along
with
abundant
interface
effects,
which
enhance
capacity
output
accelerate
mass
charge
transfer
dynamics
in
electrochemical
(EES)
devices.
Motivated
by
elements,
this
review
provides
a
comprehensive
overview
synthesis
strategies
advanced
EES
applications
explored
current
research
on
AC‐HNMs.
It
begins
summary
various
Diverse
devices
AC‐HNMs,
such
metal‐ion
batteries,
metal–air
lithium–sulfur
supercapacitors,
thoroughly
elucidated,
particular
focus
underlying
structure–activity
relationship
among
amorphous/crystalline
heterostructure,
performance,
mechanism.
Finally,
perspectives
for
proposed
offer
insights
that
may
guide
continued
development
optimization.
Nanoscale,
Journal Year:
2024,
Volume and Issue:
16(21), P. 10325 - 10332
Published: Jan. 1, 2024
The
design
and
synthesis
of
oxygen
evolution
reaction
(OER)
electrocatalysts
that
operate
efficiently
stably
under
acidic
conditions
are
important
for
the
preparation
green
hydrogen
energy.
Microstructures,
Journal Year:
2024,
Volume and Issue:
4(2)
Published: April 17, 2024
Amorphous
materials
feature
unique
structures
and
physicochemical
properties,
resulting
in
their
synthesis
applications
becoming
a
dynamic
fascinating
new
research
direction.
The
high
specific
surface
area,
abundant
active
sites,
good
electron
transport
properties
endow
amorphous
with
excellent
electrocatalytic
thus
appealing
to
increasing
attention.
Based
on
this,
the
summary
of
current
status
catalysts
field
electrocatalysis
is
urgent
important.
In
this
review,
progress
systematically
introduced,
focusing
classification,
methods,
modification
strategies,
characterizations,
application
(including
hydrogen
evolution
reaction,
oxygen
reduction
carbon
dioxide
nitrogen
reaction).
Finally,
review
proposes
prospects
challenges
for
future
development
high-active
high-selectivity
electrocatalysts.
Small,
Journal Year:
2024,
Volume and Issue:
20(46)
Published: Aug. 9, 2024
Abstract
The
seawater
electrolysis
to
produce
hydrogen
is
a
significant
topic
on
alleviating
the
energy
crisis.
Here,
Fe,
Nb‐Ni
3
S
2
catalyst
prepared
by
metal‐doping
strategy,
and
it
shows
high
oxygen
evolution
reaction
(OER)
activity
in
alkaline
medium,
only
needs
1.491
V
deliver
current
density
of
100
mA
cm
−2
simulated
seawater.
Using
as
bifunctional
catalyst,
two‐electrode
electrolyzer
requires
voltage
1.751
(without
impedance
compensation)
drive
50
,
can
run
over
150
h
stably
Importantly,
In
situ
Raman
test
demonstrates
that
outstanding
performance
ascribed
formed
sulfate
protective
layer
induced
Nb
doping,
which
effectively
inhibit
corrosion
chloride
ion,
while
absent
for
Fe‐Ni
.
stable
operation
under
industrial
further
confirms
stability
improvement
mechanism
forming
layer.
short,
this
study
provides
new
strategy
using
dopants
inducing
formation
enhance
electrolysis.
