Advanced Sustainable Systems,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 23, 2024
Abstract
Electrocatalytic
conversion
of
CO
2
to
formic
acid
(HCOOH)
represents
a
promising
approach
for
storing
renewable
energy
and
addressing
the
challenges
hydrogen
storage
transportation.
Palladium
(Pd)
is
only
known
metal
capable
achieving
this
process
at
nearly
zero
overpotential.
However,
its
practical
applications
are
severely
limited
by
evolution
reaction
(HER)
competition
poisoning.
Bimetallic
alloys,
especially
intermetallics
with
ordered
structures,
offer
an
effective
way
optimize
performance
due
their
unique
catalytic
properties.
Here,
PdBi
alloys
synthesized
structures
adjustable
ratios
active
sites
efficient
electroreduction
HCOOH.
The
o
‐PdBi
alloy
effectively
suppresses
both
HER
production
during
reduction
process,
≈95%
HCOOH
selectivity
across
wide
range
current
densities
excellent
stability
industrial‐level
densities.
Additionally,
structure
facilitates
high
maintenance
while
mitigating
overpotential,
resulting
in
cell
voltage
2.65
V
200
mA
cm
−2
.
These
findings
provide
pathway
application
Pd‐based
catalysts
electroreduction.
ACS Materials Letters,
Год журнала:
2025,
Номер
unknown, С. 553 - 559
Опубликована: Янв. 10, 2025
Maximizing
the
utilization
of
in
situ
extraterrestrial
resources,
including
solar-powered
water
electrolysis
using
lunar
soil
as
a
catalyst,
is
promising
strategy
for
achieving
sustainable
fuel
and
oxygen
supply
exploration.
However,
these
soil-based
silicate
minerals
suffer
from
unsatisfactory
intrinsic
activity
splitting
due
to
poor
electrical
conductivity
lack
catalytic
sites.
Here
we
report
use
simple
Joule-heating
method
sinter
into
disordered
matrix
at
∼2000
°C.
The
as-prepared
amorphous
can
significantly
reduce
overpotential
exhibit
good
stability
(>150
h)
enhanced
charge
transport
kinetics
activity.
We
further
demonstrate
solar-driven
stack
sintered
simulants
catalysts,
showing
practicality
such
system.
This
work
provides
insights
resource
soils
by
engineering
crystalline
structures
electronic
configurations
an
ultrafast
method.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 25, 2025
Abstract
Electrochemically
converting
carbon
dioxide
(CO
2
)
and
nitrate
(NO
3
−
into
urea
via
the
C─N
coupling
route
offers
a
sustainable
alternative
to
traditional
industrial
production
technology,
but
it
is
still
limited
by
poor
yield
rate,
low
Faradaic
efficiency,
insufficient
kinetics.
Herein,
high‐density
Ga─Y
dual‐atom
catalyst
developed
with
loading
up
14.1
wt.%
of
Ga
Y
supported
on
N,
P‐co‐doped
substrate
(Ga/Y‐CNP)
for
electrosynthesis.
The
facilitates
efficient
through
co‐reduction
CO
NO
,
resulting
in
high
rate
41.9
mmol
h
−1
g
efficiency
22.1%
at
−1.4
V
versus
reversible
hydrogen
electrode.
In
situ
spectroscopy
theoretical
calculations
reveal
that
superior
performance
attributed
cross‐tuning
between
adjacent
pair
sites,
which
can
mutually
optimize
their
electronic
states
facilitating
reduction
*CO
sites
promoting
conversion
hydroxylamine
(*NH
OH)
followed
spontaneous
*NH
OH
intermediates
form
bonds.
This
work
pioneering
strategy
manipulate
pathways
active
produce
high‐value‐added
chemicals.
Chemical Society Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Metastable
materials
are
considered
promising
electrocatalysts
for
clean
energy
conversions
by
virtue
of
their
structural
flexibility
and
tunable
electronic
properties.
However,
the
exploration
synthesis
metastable
via
traditional
equilibrium
methods
face
challenges
because
requirements
high
precise
control.
In
this
regard,
rapid
method
(RSM),
with
efficiency
ultra-fast
heating/cooling
rates,
enables
production
under
non-equilibrium
conditions.
relationship
between
RSM
properties
remains
largely
unexplored.
review,
we
systematically
examine
unique
benefits
various
techniques
mechanisms
governing
formation
materials.
Based
on
these
insights,
establish
a
framework,
linking
electrocatalytic
performance
Finally,
outline
future
directions
emerging
field
highlight
importance
high-throughput
approaches
autonomous
screening
optimal
electrocatalysts.
This
review
aims
to
provide
an
in-depth
understanding
electrocatalysts,
opening
up
new
avenues
both
fundamental
research
practical
applications
in
electrocatalysis.
Energy Science & Engineering,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 4, 2025
ABSTRACT
This
annual
review
outlines
the
progress
of
carbon
capture,
utilization,
and
storage
(CCUS)
technologies
in
2024.
As
human‐induced
CO
2
emissions
continued
to
rise,
year
presented
critical
challenges.
Notably,
2024
was
hottest
on
record
first
which
global
temperatures
exceeded
preindustrial
levels
by
more
than
1.5°C,
driving
intensified
efforts
advance
CCUS.
Scientific
interest
CCUS
grew
significantly,
with
number
related
publications
increasing
11.4%
compared
2023,
reaching
53,970.
The
total
operational
commercial
facilities
also
expanded,
rising
16.3%
a
50.
In
political
area,
governments
introduced
targeted
policies
accelerate
adoption,
focusing
economic
investment
specific
implementation
requirements.
Biofuels Bioproducts and Biorefining,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 8, 2025
Abstract
Lignocellulosic
biomass
is
an
important
source
of
renewable
chemicals
and
materials
but
its
full
valorization
necessary
in
order
to
achieve
economic
sustainability
goals.
This
study
proposes
a
two‐step
approach
for
the
lignocellulosic
combining
solvent‐assisted
fractionation
catalytic
oxidation
with
molecular
oxygen
generate
cellulose
formic
acid.
An
industrially
relevant
substrate,
beech
wood,
was
fractionated
under
nitrogen
atmosphere
using
either
organosolv
(methanol
or
ethanol)
ionosolv
(ionic
liquid)
aqueous
solvent
produce
dissolved
hemicellulose
lignin
as
well
cellulose‐rich
solid.
The
components
were
oxidized
catalytically
acid
derivatives
second
step
fivefold
vanadium
substituted
Keggin‐type
polyoxometalate
H
8
[PV
5
Mo
7
O
40
].
Enzymatic
hydrolysis
cellulose‐enriched
solid
generated
purified
glucose
higher
yields
than
single‐step
comparison
method.
organosolv‐fractionation
increased
enzymatic
saccharification
78%
whereas
ionosolv‐fractionation
yield
68%,
18%
one‐step
conversion
only
8%
untreated
wood.
In
step,
28%
achieved
125
°C,
1200
rpm,
30
bar
oxygen,
6.5
h
reaction
conditions.
improvements
observed
are
attributed
influence
on
catalyst
preventing
latter
from
interacting
solid,
which
improved
quality
pulp
overall
yield.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 30, 2025
Abstract
Integrating
renewable
electricity
and
concentrated
CO
2
from
direct
air
capture,
electrochemical
reduction
reactions
(eCO
RR)
offer
a
promising
pathway
for
converting
into
fuel
chemicals,
enabling
the
closure
of
carbon
loop
in
sustainable
manner.
The
clean
H
produced
via
hydrogen
evolution
reaction
(HER)
during
water
electrolysis
can
replace
traditional
fossil
fuels
without
additional
emissions.
Achieving
large‐scale
high‐efficiency
eCO
RR
HER
requires
development
rational
electrolyzer
designs,
which
are
crucial
industrial
implementation.
This
review
examines
recent
innovations
system
designs
RR,
HER,
latest
advances
situ
cell
operando
characterization
reactions.
It
focuses
on
improvements
flow
patterns,
membrane
electrode
assemblies,
electrolyte
engineering
to
maximize
catalytic
activities
at
level.
Besides,
discusses
optimizing
counter‐anodic
improve
energy
efficiency
electrolysis,
offering
insights
design
systems
with
efficient
utilization.
Furthermore,
it
explores
integration
other
(e.g.,
cells),
highlighting
their
potential
role
decarbonization
future
processes.
Finally,
summary,
challenge,
outlook
industrial‐scale
concluded.
