Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 29, 2025
Noble
metals
offer
a
wide
range
of
potential
catalysis
applications,
particularly
in
fuel
cells
and
supercapacitors.
The
decoration
strategy
is
promising
efficient
to
address
the
limited
structural
flexibility
enhance
performance
noble
metal
electrode
materials.
Herein,
we
report
facile
method
synthesize
nanocomposites
with
Pt
nanoclusters
(NCs)
decorated
on
surface
2H-MoS2
nanosheets
(Pt
NCs@2H-MoS2).
Fortunately,
NCs@2H-MoS2
demonstrates
excellent
catalytic
activity
stability
toward
hydrogen
evolution
reaction
(HER)
alkaline
solutions,
along
satisfactory
electrochemical
characteristics
for
supercapacitors
(SCs).
Specifically,
low
overpotential
61.2
mV
at
10
A
g-1
98%
retention
after
h
can
be
achieved
HER,
which
comparable
commercial
Pt/C
catalysts.
When
used
as
materials
supercapacitors,
high
specific
capacitance
284
F
scan
rate
5
s-1
1
M
KOH.
Consequently,
these
results
demonstrate
that
metal-decorated
transition
offers
significant
economically
sustainably
applications.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(34)
Published: March 12, 2024
Abstract
Alkaline
water
electrolysis
is
among
the
most
promising
technologies
to
massively
produce
green
hydrogen.
Developing
highly‐active
and
durable
electrodes
catalyze
oxygen
evolution
reaction
(OER)
hydrogen
(HER)
of
primary
importance.
Here
a
facile,
room‐temperature
synthetic
route
presented
access
heazlewoodite
phase
(Ni,
Fe)
3
S
2
nanosheet
arrays
supported
on
NiFe
foam
(NFF),
whose
production
can
be
easily
scaled
up
meter
size
per
batch
operation.
The
/NFF
electrode
serve
as
high‐performance
electrocatalyst
for
both
HER
OER
in
alkaline
media,
remains
highly
stable
over
1000
h
at
100
mA
cm
−2
current
densities.
When
working
electrocatalyst,
confirmed
catalytic
that
provides
high
density
efficient
active
sites
(e.g.,
Ni─Ni
Ni─Fe
bridge
sites).
During
electrochemical
testing,
nanosheets
totally
transform
into
γ
‐(Fe,
Ni)OOH
OER.
As
consequence,
used
integrate
an
electrolyzer
cathode
anode,
give
excellent
performance
(600
@1.93
V),
which
better
than
based
commercial
Raney
Ni
electrodes.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 10, 2024
Abstract
Transition
metal
chalcogenides
are
an
important
class
of
electrocatalysts
with
broad
application
prospects
in
alkaline
oxygen
evolution
reactions.
Many
researchers
focusing
on
the
situ
conversion
cations
catalysts,
but
have
rarely
considered
contribution
oxidation,
leaching,
and
re‐absorption
to
catalytic
activity.
Herein,
multiple
characterization
approaches
used
monitor
mechanism
origin
CoTe@CoS‐electrocatalyzed
reaction
(OER)
The
research
results
reveal
that
electro‐oxidative
dissolution
Te
S
electrode
surface
forms
TeO
3
2−
SO
,
which
adsorbed
surface.
Moreover,
species
will
further
transform
into
4
.
As
expected,
extra
addition
mixed
tellurite
sulfate
ions
Co
(OH)
2
electrolyte
produces
a
synergistic
effect
can
significantly
boost
OER
Selenites
analogous
effect,
indicating
adsorption
chalcogenates
has
universal
improving
performance.
findings
this
work
provide
unique
insights
materials
enhancing
activity
during
processes.
Inorganic Chemistry Frontiers,
Journal Year:
2024,
Volume and Issue:
11(14), P. 4080 - 4106
Published: Jan. 1, 2024
This
summary
describes
the
effects
of
wettability,
local
pH,
interfacial
water
structure,
and
electrolyte
composition
on
interface
reactant
compositions,
key
intermediate
adsorption,
reaction
kinetics.
Journal of Materials Chemistry A,
Journal Year:
2024,
Volume and Issue:
12(24), P. 14268 - 14301
Published: Jan. 1, 2024
This
review
gives
a
global
map
of
HEMs
on
the
basis
metal
entities
from
noble
metals
to
cheap
transition
and
provide
meaningful
guidance
researchers
for
exploration
advanced
water
splitting.