Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 22, 2024
Abstract
70%
of
the
earth's
surface
is
covered
by
ocean,
and
it
represents
a
promising
renewable
clean
energy
reservoir
that
waits
for
further
exploration.
Although
hydrogen
(H
2
)
boasts
high
density
143
MJ
kg
−1
environmentally
friendly
attributes,
widespread
commercialization
green
H
production
remains
formidable
challenge.
With
huge
amounts
water,
ocean
presents
an
opportunity
generating
fuel
through
process
seawater
electrolysis.
This
review
introduces
ocean‐driven,
self‐powered
blue
conversion
devices,
including
triboelectric
nanogenerators
(TENGs),
magnetoelastic
generators
(MEGs),
solar
cells.
They
are
able
to
convert
from
water
waves,
wind,
energy,
into
electricity
on‐site
seawater‐splitting
generation.
systematically
reports
this
compelling
approach
introducing
fundamental
principles
devices
showcasing
practical
applications.
Additionally,
aiming
promote
future
research
in
field
sustainable
also
delves
development
novel
harvesting
systems
with
efficiency
large‐scale
effective
production.
Energy & Environmental Science,
Journal Year:
2023,
Volume and Issue:
16(11), P. 4926 - 4943
Published: Jan. 1, 2023
Systematic
insights
into
the
recent
attainments,
limitations,
and
future
directions
of
hydrogen
production,
storage,
delivery,
usage
are
provided,
aiming
at
offering
critical
guidance
for
establishment
a
society.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(19)
Published: March 19, 2024
Anion
exchange
membranes
(AEMs)
are
core
components
in
anion
membrane
water
electrolyzers
(AEM-WEs).
However,
the
stability
of
functional
quaternary
ammonium
cations,
especially
under
high
temperatures
and
harsh
alkaline
conditions,
seriously
affects
their
performance
durability.
Herein,
we
synthesized
a
1-methyl-3,3-diphenylquinuclidinium
molecular
building
unit.
Density
theory
(DFT)
calculations
accelerated
aging
analysis
indicated
that
quinine
ring
structure
was
exceedingly
stable,
S
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(30)
Published: July 16, 2024
High-entropy
compounds
have
been
emerging
as
promising
candidates
for
electrolysis,
yet
their
controllable
electrosynthesis
strategy
remains
a
formidable
challenge
because
of
the
ambiguous
ionic
interaction
and
codeposition
mechanism.
Herein,
we
report
oxygenates
directionally
induced
electrodeposition
to
construct
high-entropy
materials
with
amorphous
features,
on
which
structural
evolution
from
phosphide
oxide
is
confirmed
by
introducing
vanadate,
thus
realizing
simultaneous
optimization
composition
structure.
The
representative
P-CoNiMnWVO
x
shows
excellent
bifunctional
catalytic
performance
toward
alkaline
hydrogen
reaction
ethanol
oxidation
(EOR),
small
potentials
−168
mV
1.38
V
at
100
mA
cm
−2
,
respectively.
In
situ
spectroscopy
illustrates
that
electrochemical
reconstruction
induces
abundant
Co–O
species
main
active
EOR
follows
conversion
pathway
C
2
product.
Theoretical
calculations
reveal
optimized
electronic
structure
adsorption
free
energy
intermediates
thereby
resulting
in
facilitated
kinetic
process.
A
membrane-free
electrolyzer
delivers
both
high
Faradaic
efficiencies
acetate
H
over
95%
superior
stability
at100
during
120
h
electrolysis.
addition,
unique
advantages
endow
multifunctional
activity
realize
multipathway
formate-coupled
production.
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(6)
Published: Jan. 31, 2024
Oxygen
evolution
reaction
(OER)
is
the
pivotal
obstacle
of
water
splitting
for
hydrogen
production.
Dual-sites
catalysts
(DSCs)
are
considered
exceeding
single-site
due
to
preternatural
synergetic
effects
two
metals
in
OER.
However,
appointing
specific
spatial
configuration
dual-sites
toward
more
efficient
catalysis
still
remains
a
challenge.
Herein,
we
constructed
configurations
Fe-Co
dual-sites:
stereo
sites
(stereo-Fe-Co
DSC)
and
planar
(planar-Fe-Co
DSC).
Remarkably,
planar-Fe-Co
DSC
has
excellent
OER
performance
superior
stereo-Fe-Co
DSC.
DFT
calculations
experiments
including
isotope
differential
electrochemical
mass
spectrometry,
situ
infrared
spectroscopy,
Raman
reveal
*O
intermediates
can
be
directly
coupled
form
*O-O*
rather
than
*OOH
by
both
DSCs,
which
could
overcome
limitation
four
electron
transfer
steps
Especially,
proper
distance
steric
direction
benefit
cooperation
dual
dehydrogenate
into
rate-determining
step.
This
work
provides
valuable
insights
support
further
research
development
dual-site
catalysts.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(30)
Published: May 27, 2024
Abstract
Electrochemical
water
splitting
is
a
promising
technique
for
the
production
of
high‐purity
hydrogen.
Substituting
slow
anodic
oxygen
evolution
reaction
with
an
oxidation
that
thermodynamically
more
favorable
enables
energy‐efficient
Moreover,
this
approach
facilitates
degradation
environmental
pollutants
and
synthesis
value‐added
chemicals
through
rational
selection
small
molecules
as
substrates.
Strategies
small‐molecule
electrocatalyst
design
are
critical
to
electrocatalytic
performance,
focus
on
achieving
high
current
density,
selectivity,
Faradaic
efficiency,
operational
durability.
This
perspective
discusses
key
factors
required
further
advancement,
including
technoeconomic
analysis,
new
reactor
system
design,
meeting
requirements
industrial
applications,
bridging
gap
between
fundamental
research
practical
product
detection
separation.
aims
advance
development
hybrid
electrolysis
applications.
Materials Horizons,
Journal Year:
2024,
Volume and Issue:
11(7), P. 1797 - 1807
Published: Jan. 1, 2024
The
obtained
bimetallic
sulfide
catalyst
can
be
reconstituted
as
FeCoOOH,
which
has
high
efficacy
for
water
splitting.
activation
energy
barrier
of
key
reaction
steps
effectively
reduced
by
dual-metal
cooperation.
