Frontiers in Energy Research,
Год журнала:
2024,
Номер
12
Опубликована: Фев. 8, 2024
Redox
and
melting
characteristics
of
Mn-based
ores
were
investigated
to
test
their
potential
use
in
thermochemical
energy
storage
(TCES).
Two
materials
(FJ
LY)
natural
with
the
Mn
content
higher
than
35
wt%,
one
material
was
prepared
by
adding
an
MgO–kaolin
inert
support
into
LY
increase
its
temperature.
Cyclic
reduction
oxidation
reactivity
these
studied
via
thermogravimetric
analysis
(TGA),
behaviors
using
a
setup
optical
camera–image
system.
It
found
that
oxygen
capacity
FJ
ore
can
approach
∼1.50
while
had
only
0.42
wt%–0.69
wt%
The
deformation
temperature
is
ore,
temperatures
be
significantly
improved
addition
support,
decreased
due
material.
This
study
proves
manganese
high
have
as
TCES
materials.
For
some
low
temperatures,
it
necessary
improve
ensure
for
high-temperature
applications.
Applied Catalysis B Environment and Energy,
Год журнала:
2024,
Номер
348, С. 123838 - 123838
Опубликована: Апрель 24, 2024
The
emerging
integrated
CO2
capture
and
utilization
(ICCU)
potentially
contributes
to
net
zero
emissions
with
low
cost
high
efficiency.
catalytic
performance
in
ICCU
process
is
highly
restricted
by
the
equilibriums
of
carbonate
decomposition
dry
reforming
methane
(DRM).
Here,
we
engineer
a
unique
yolk-shell
dual
functional
nanoreactor
construction
improve
via
confined
catalysis.
By
tailoring
carbonates
kinetics
confining
diffusion
path,
∼92%
conversion
achieved
over
(Ni/Ca)@Si
shows
no
distinct
activity
loss
10
cycles
at
650
°C.
formed
Ca2SiO4
shells
restrain
sintering
CaO
yolks
acting
as
physical
barriers,
stabilize
Ni
particle
size.
It
also
confirmed
on
situ
DRIFTS
that
DRM
might
occur
carbonyls,
formates
CHO
intermediates,
which
species
are
dependent
Ni-carbonates
interfaces.
Carbon Capture Science & Technology,
Год журнала:
2024,
Номер
12, С. 100207 - 100207
Опубликована: Март 11, 2024
Large
amounts
of
CO2
were
discharged
into
the
atmosphere,
resulting
in
a
severe
greenhouse
effect
and
inducing
ecological
environmental
problems
that
threaten
human
survival.
Integrated
carbon
dioxide
capture
conversion
(ICCC)
with
Dual
Functional
Materials
(DFMs)
was
promising
process
to
emission
flue
gas
convert
it
value-added
chemicals,
reducing
energy
consumption
economic
cost.
The
catalytic
component
DFMs
enhances
hydrogen
source
activation
promotes
carbonate
hydrogenation
produce
high
chemicals.
achieved
regeneration
dual-functional
materials,
which
is
key
realizing
ICCC
process.
This
research
focuses
on
development
different
sources
(hydrogen
or
light
alkanes)
for
recent
years.
In
addition,
reaction
mechanism
components
modification
discussed
improve
in-situ
activity
Finally,
future
prospects
anticipated
guide
application
scenarios
Separation and Purification Technology,
Год журнала:
2023,
Номер
333, С. 125934 - 125934
Опубликована: Дек. 3, 2023
Marble
dust
is
a
low-cost,
robust,
and
environmentally
friendly
natural
material
for
integrated
carbon
capture
utilization
(ICCU).
This
study
demonstrates
the
effect
of
oxygen
water
in
flue
gas
on
ICCU
performance
marble
when
it
with
reverse
shift
reaction
(RWGS),
which
could
potentially
be
scaled
up
application
dust.
The
inclusion
vapor
augmented
ability
calcined
(CM)
to
eliminate
12.8
mmol
g−1
CO2
from
achieved
highest
CO
yield
10.2
almost
100
%
selectivity.
introduction
O2,
despite
lowering
efficiency,
retained
pore
structure
CM,
boosting
lasting
producing.
With
inert
MgO
as
stabilizer
segregation
between
two-layered
CaO
crystalline
alleviated
sintering
deposition,
enhanced
diffusion
superior
structural
stability
over
consecutive
cycles
than
raw
CaO.
Langmuir,
Год журнала:
2024,
Номер
40(19), С. 9833 - 9841
Опубликована: Март 12, 2024
Dual
functional
materials
(DFMs)
are
a
promising
approach
to
increase
the
energy
efficiency
of
carbon
capture
and
utilization
by
combining
both
steps
into
single
unit
operation.
In
this
Perspective,
we
analyze
challenges
opportunities
integrated
(ICCU)
via
thermally
driven
process.
We
identify
three
key
areas
that
will
facilitate
research
progress
toward
industrially
viable
solutions:
(1)
selecting
appropriate
DFM
operating
conditions;
(2)
designing
characterizing
interfacial
site
cooperativity
for
CO2
adsorption
hydrogenation;
(3)
establishing
standards
rigorous
comprehensive
data
reporting.
