Carbon Neutralization,
Год журнала:
2025,
Номер
4(1)
Опубликована: Янв. 1, 2025
ABSTRACT
The
Ni/CeO
2
catalyst
stands
out
among
various
solid
metal
oxide
catalysts
for
its
exceptional
catalytic
proficiency,
positioning
it
as
a
prime
candidate
the
industrialization
of
methanation
processes.
This
review
thoroughly
examines
prevalent
challenges
associated
with
in
reactions,
compiles
current
strategies
to
overcome
these
hurdles,
and
presents
novel
perspectives.
elucidates
structural
characteristics
applications
discusses
synthesis
methods
their
respective
merits
demerits,
explores
reaction
systems
at
both
laboratory
industrial
scales,
clarifies
underlying
mechanisms.
Furthermore,
underscores
mainstream
approaches
enhance
low‐temperature
activity
mitigate
decrement
due
Ni
agglomeration.
concludes
by
proposing
future
directions
improving
preventing
deactivation,
encompassing
development
innovative
architectures,
integrating
in‐situ
characterization
theoretical
calculations,
investigating
photothermal
systems.
Undoubtedly,
scientific
researchers
will
persistently
strive
develop
high
across
broad
temperature
range
robust
stability,
driving
CO
technology
foreseeable
future.
ACS Catalysis,
Год журнала:
2022,
Номер
12(9), С. 5605 - 5660
Опубликована: Апрель 26, 2022
As
a
group
of
large-surface-area
nonmetal
materials,
polymeric
carbon
nitride
(CxNy)
and
its
hybrid
structures
are
nowadays
ever-increasing
interest
for
use
in
energy
devices
involved
conversion
storage,
offering
low
expenses
facile
production
processes.
With
the
growing
requirement
clean
renewable
generation
storage
systems,
progress
replacement
expensive
noble-metal
catalysts
with
CxNy-based
materials
as
efficient
electrocatalysts
has
expanded
considerably,
demand
these
increased.
The
modified
CxNy
architectures
beneficial
to
electrocatalytic
applications,
improving
their
moderate
electrical
conductivities
capacity
loss.
present
review
strives
highlight
recent
advances
research
on
aforementioned
identities
CxNy-derived
structurally
polymorphs.
This
also
discusses
fuel
cells,
metal–air
batteries,
water
splitting
supercapacitor
applications.
Herein,
we
deal
oxidation
reduction
reactions
such
hydrogen
evolution,
oxygen
reduction,
CO2
nitrogen
etc.
Each
device
been
studied
clearer
understanding
patent
relevant
experiments
reviewed
separately.
Additionally,
role
some
general
redox
capable
being
exploited
any
is
included.
Due
to
the
depletion
of
fossil
fuels
and
their-related
environmental
issues,
sustainable,
clean,
renewable
energy
is
urgently
needed
replace
fuel
as
primary
resource.
Hydrogen
considered
one
cleanest
energies.
Among
approaches
hydrogen
production,
photocatalysis
most
sustainable
solar
technique.
Considering
low
cost
fabrication,
earth
abundance,
appropriate
bandgap,
high
performance,
carbon
nitride
has
attracted
extensive
attention
catalyst
for
photocatalytic
production
in
last
two
decades.
In
this
review,
nitride-based
system,
including
catalytic
mechanism
strategies
improving
performance
discussed.
According
processes,
strengthened
catalysts
particularly
described
terms
boosting
excitation
electrons
holes,
suppressing
carriers
recombination,
enhancing
utilization
efficiency
photon-excited
electron-hole.
Finally,
current
trends
related
screening
design
superior
systems
are
outlined,
development
direction
clarified.