Hydrogen production, storage, transportation and utilization for energy sector: A current status review
Journal of Energy Storage,
Journal Year:
2024,
Volume and Issue:
101, P. 113733 - 113733
Published: Sept. 16, 2024
Language: Английский
Silver Decorated Copper Coordination Polymer for the Electroreduction of CO2 to Hydrocarbon Liquid Fuels
Ann Mariella Babu,
No information about this author
Sobin Mathew,
No information about this author
Anitha Varghese
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et al.
Journal of environmental chemical engineering,
Journal Year:
2025,
Volume and Issue:
unknown, P. 116675 - 116675
Published: April 1, 2025
Language: Английский
Unraveling the Role of Pressure, Oxidation State, and Morphology in CO2 Electroreduction to C2+ Products over Copper Oxides
Nanoscale Advances,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
study
provides
compelling
experimental
evidence
of
the
synergistic
effects
reaction
pressure,
oxidation
state,
and
catalyst
morphology
on
C2+
selectivity
copper
(Cu)
oxide
catalysts
in
electrochemical
CO2
reduction
(ECR).
We
employed
femtosecond
laser
structuring
thermal
treatments
to
synthesize
Cu(0),
Cu(i),
Cu(ii),
a
mixed
state
Cu(x)
with
characteristic
micro-
nano-morphologies.
The
optimal
pressure
for
maximizing
productivity
aqueous
bicarbonate
media
was
established
by
assessing
products
at
different
imposed
pressures
custom-designed,
pressurizable
two-compartment
cell.
Among
thermally
produced
Cu(i)
only
unstructured
exhibiting
ethylene
gas-phase
selectivity.
Nanostructuring
enhanced
such
that
all
three
states
could
produce
ethylene.
More
importantly,
nanostructured
comprising
well-dispersed
exhibited
as
well
ethane
production
-
associated
undercoordinated
Cu
stabilizing
intermediates
facilitating
charge
transfer
yield
longer
products.
work
important
insights
into
key
factors
influencing
Cu-based
catalysts,
establishing
basis
an
informed
design
high-energy
density
Language: Английский
Review on Principal and Applications of Temporal and Spatial Beam Shaping for Ultrafast Pulsed Laser
Photonics,
Journal Year:
2024,
Volume and Issue:
11(12), P. 1140 - 1140
Published: Dec. 4, 2024
Ultrafast
or
ultrashort
pulsed
lasers
have
become
integral
in
numerous
industrial
applications
due
to
their
high
precision,
non-thermal
interaction
with
materials,
and
ability
induce
nonlinear
absorption.
These
characteristics
expanded
use
microfabrication,
semiconductor
processing,
automotive
engineering,
biomedical
fields.
Temporal
pulse
shaping
reduces
laser
durations,
often
shorter
timescales
than
many
physical
chemical
processes,
enabling
greater
control.
Meanwhile,
spatial
improves
efficiency
precision
micro-
nanofabrication
applications.
Advances
optical
parametric
amplifiers
(OPAs)
chirped-pulse
(CPAs)
allowed
for
more
refined
temporal
shaping,
ensuring
the
preservation
of
peak
power
while
achieving
durations.
Additionally,
light
modulators
(SLMs)
facilitated
sophisticated
beam
which,
when
combined
ultrafast
lasers,
supports
like
computer-generated
holography
nanoscale
fabrication.
developments
underscore
growing
utility
versatility
both
research
contexts.
Language: Английский
Transition metal nanomaterial-based electrocatalysts for water and CO2 electrolysis: preparation, catalytic activity, and prospects
Frontiers in Energy Research,
Journal Year:
2024,
Volume and Issue:
12
Published: Oct. 24, 2024
The
production
of
hydrogen
(H
2
)
and
multi-carbon
fuels
through
water
electrolysis
(oxygen
evolution
reaction
(OER)/hydrogen
(HER))
water–CO
co-electrolysis
(OER/CO
reduction
(CO
RR)),
respectively,
is
supposed
to
be
the
emergent
energy
carrier.
These
electrochemical
processes
are
essential
chemical
conversion
pathways
that
initiate
changes
toward
renewable
energy.
This
review
summarizes
systematic
design
earth-abundant
transition
metal-based
nanomaterials
their
electrocatalytic
activities
reactions
such
as
OER,
HER,
CO
RR.
primary
focus
on
fabricating
highly
effective,
low-cost,
advanced
nanostructures
for
both
OER/HER
OER/CO
RR
systems.
Developing
synthetic
strategies
surface
morphology-controlled
nanostructured
electrocatalysts,
engineering
electrode
surface,
enhancing
activity,
understanding
relationship
between
intrinsic
catalytic
activity
preparation
approaches
or
precursor
choices,
exploring
mechanism
focused
on.
Furthermore,
current
challenges,
figure-of-merit,
prospects
described.
study
may
open
new
opportunities
develop
shape-controlled
high-performance
electrocatalysts
storage
reactions.
Language: Английский