Cobalt Decarbonization Catalysts Turning Methane to Clean Hydrogen and Valuable Carbon Nanostructures: A Review
Catalysts,
Год журнала:
2025,
Номер
15(2), С. 145 - 145
Опубликована: Фев. 4, 2025
The
continuous
growth
in
world
energy
demands
along
with
the
urgent
need
for
decarbonization
are
strong
motivations
development
and
usage
of
sustainable
fuels.
Hydrogen
is
highly
anticipated
to
replace
fossil
fuels
production,
as
it
one
cleanest
sources
high
density
per
weight.
Among
hydrogen
production
methods,
catalytic
methane
pyrolysis
(CMP)
stands
out
can
contribute
process,
since
only
co-products
include
valuable
carbon
structures
no
greenhouse
emissions.
Cobalt
has
been
shown
be
a
competent
metallic
material
activity
relation
selectivity
towards
nanotubes
(CNTs),
or
nanofibers
(CNFs).
This
review
article
aims
offer
insights
relevant
future
developments
CMP,
by
reporting
advantages
decomposition
over
cobalt
catalysts.
It
provides
summary
factors
that
influence
both
yield
growth.
More
specifically,
impacts
different
metal
loadings
benefits
utilizing
support
carriers
bimetallic
systems
addressed.
Last
but
not
least,
findings
on
most
efficient
preparation
procedures
optimum
operating
conditions
also
revealed,
supported
published
experimental
data.
Язык: Английский
Effect of pyrolytic carbon addition on the structural and optical properties of TiO2 composite thin films
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Март 8, 2025
Abstract
The
article
deals
with
the
preparation
and
characterization
of
titanium
dioxide
thin
films
containing
pyrolytic
carbon
as
potential
UV
protection
for
photovoltaic
devices.
used
an
additive
was
obtained
by
pyrolysis
methane,
main
product
which
is
turquoise
hydrogen,
a
by-product
process.
resulting
material
characterized
Raman
spectroscopy,
scanning
electron
microscopy
energy
dispersive
spectroscopy.
Titanium
dioxide/pyrolytic
composite
were
prepared
sol-gel
method,
followed
dip-coating
technique.
sols
examined
using
dynamic
light
scattering
method.
optical
properties
films,
including
transmittance,
reflectance,
band
gap,
Urbach
energy,
porosity,
along
their
surface
morphology
resistance
to
degradation,
evaluated.
results
indicate
that
incorporation
improves
compared
samples
without
carbon,
leading
increase
about
5%
in
transmittance
visible
range
spectrum.
Microscopic
observations
confirm
presence
smoothing
noticeable
at
higher
concentrations.
These
findings
suggest
use
UV-blocking
films.
Язык: Английский