Advanced Energy Materials,
Год журнала:
2024,
Номер
14(32)
Опубликована: Май 28, 2024
Abstract
Maximizing
the
utilization
of
photogenerated
electrons
and
holes
to
drive
coupling
reaction
hydrogen
evolution
with
selective
value‐added
organic
synthesis
holds
great
potential
for
more
efficient
exploitation
solar
energy.
Herein,
interstitial
boron‐doped
CdS
is
synthesized
by
taking
SiO
2
as
a
template
well
adsorption
sites
boric
acid,
which
contributes
boron
doping
induces
reinforced
Cd─Se
bonding
enhancing
interfacial
interaction
co‐catalyst
MoSe
.
Thus,
bond
electron
localization
provides
rapid
channels
at
atomic
level
accelerating
charge
transfer
lower
energy
barrier,
achieving
high
selectivity
pyruvic
acid
concurrently.
This
work
new
perspective
in
avoiding
use
sacrificial
agents
uneconomically
producing
green
high‐value‐added
chemicals
simultaneously.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(37), С. 49349 - 49361
Опубликована: Сен. 4, 2024
With
the
intensification
of
global
environmental
pollution
and
resource
scarcity,
hydrogen
has
garnered
significant
attention
as
an
ideal
alternative
to
fossil
fuels
due
its
high
energy
density
nonpolluting
nature.
Consequently,
urgent
development
electrocatalytic
water-splitting
electrodes
for
production
is
imperative.
In
this
study,
a
superwetting
selenide
catalytic
electrode
with
peony-flower-shaped
micronano
array
(MoS
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 30, 2024
Abstract
The
construction
of
efficient
and
durable
multifunctional
electrodes
for
industrial‐scale
hydrogen
production
presents
a
main
challenge.
Herein,
molybdenum‐modulated
phosphorus‐based
catalytic
(Mo‐NiP@NF)
are
prepared
via
mild
electroless
plating.
Heteroatoms
doping
or
heterostructures
can
reconfigure
the
intrinsic
electronic
structure
pre‐catalyst
optimizes
key
intermediates
adsorption.
Moreover,
(hypo/meta‐)phosphite
anions
(PO
x
δ−
)
molybdate
ions
(MoO
on
electrode
surface
Mo‐NiP@NF
afford
resistance
to
chloride
(Cl
−
corrosion.
exhibits
ultralow
overpotentials
278/550
282/590
mV
at
1
A
cm
−2
during
hydrogen/oxygen
evolution
reaction
(HER/OER)
in
alkaline
simulated
real
seawater,
respectively,
whereas
overall
seawater
splitting
(OWS)
reach
1.96
1.97
V
cell
.
Remarkably,
maintains
stable
operation
1500
h
OWS.
scalability
allowing
assembly
proton
exchange
membrane
(PEM)
electrolyzer
powered
by
photovoltaic
energy,
simulating
portable
hydrogen‐oxygen
respirator
provides
an
oxygen/hydrogen
flows
160/320
mL
min
−1
Expanding
further,
trace
ruthenium‐loaded
catalyst
sodium
borohydride
(NaBH
4
hydrolysis
achieving
generation
rate
(HGR)
11049.2
g
This
work
strategic
innovations
optimization
solutions
economical
multi‐scenario
green
energy
conversion
materials
application.
Electrolysis
of
seawater
for
hydrogen
(H2)
production
to
harvest
clean
energy
is
an
appealing
approach.
In
this
context,
there
urgent
need
catalysts
with
high
activity
and
durability.
RuO2
electrocatalysts
have
shown
efficient
in
the
oxygen
evolution
reactions
(HER
OER),
but
they
still
suffer
from
poor
stability.
Herein,
surface
S-doped
nanostructured
(S-RuO2)
rationally
fabricated
overall
splitting.
Doping
S
enhances
(overpotentials
25
mV
HER
243
long-term
durability
(1000
h
at
100
mA
cm–2),
achieves
nearly
100%
Faraday
efficiency
(FE).
Moreover,
S-RuO2-based
anion
exchange
membrane
electrolyzer
requires
2.01
V
reach
1.0
A
cm–2
under
demanding
industrial
conditions.
Experimental
analysis
theoretical
calculations
indicate
that
introduction
could
lower
valence
state
Ru,
thereby
conferring
enhanced
Furthermore,
S-RuO2
electrocatalyst
highly
protected
by
surface,
which
repels
Cl–
alkaline
seawater.
This
investigation
presents
a
feasible
strategy
designing
RuO2-based
splitting
both
performance
good
resistance
anodic
corrosion.
Nature Communications,
Год журнала:
2025,
Номер
16(1)
Опубликована: Фев. 3, 2025
Anion
exchange
membrane
seawater
electrolysis
is
vital
for
future
large-scale
green
hydrogen
production,
however
enduring
a
huge
challenge
that
lacks
high-stable
oxygen
evolution
reaction
electrocatalysts.
Herein,
we
report
robust
OER
electrocatalyst
AEMSE
by
integrating
MXene
(Ti3C2)
with
NiFe
sulfides
((Ni,Fe)S2@Ti3C2).
The
strong
interaction
between
(Ni,Fe)S2
and
Ti3C2
induces
electron
distribution
to
trigger
lattice
mechanism,
improving
the
intrinsic
activity,
particularly
prohibits
dissolution
of
Fe
species
during
process
via
Ti-O-Fe
bonding
effectively,
achieving
notable
stability.
Furthermore,
good
retention
sulfates
abundant
groups
provide
effective
Cl-
resistance.
Accordingly,
(Ni,Fe)S2@Ti3C2
achieves
high
activity
(1.598
V@2
A
cm-2)
long-term
durability
(1000
h)
in
system.
industrial
current
density
(0.5
(500
achieved
anode
Raney
Ni
cathode
efficiency
70%
energy
consumption
48.4
kWh
kg-1
H2.
development
production
crucial
addressing
shortages.
Here,
authors
enhances
stability,
1000
hours
electrolysis.
