Abstract
Replacing
fossil
fuels
by
renewable
biomass
enables
green
syngas
production
in
an
effort
to
achieve
carbon
neutrality
and
sustainable
circular
processes.
Here,
inexpensive
catalyst
of
Ni
nanoparticles
supported
on
SiO
2
modified
La
3+
(Ni/La
0.10
–S)
is
presented,
exhibiting
exceptional
H
CO
rates
(4051.4
2467.8
mmol
g
−1
h
,
respectively)
with
7.7%
light‐to‐fuel
efficiency
cellulose
steam
reforming
(SR),
merely
under
focused
illumination.
Excellent
performance
mainly
attributed
photothermal
catalysis
resulting
from
the
strong
solar
absorption
high
conversion
nanoparticles.
The
mitigation
tar
char
formation
significantly
benefits
O
involvement
reaction,
which
substantially
improved
addition
enhancing
sorption.
Remarkably,
illumination
exerts
mere
photoactivation
during
primarily
pronounced
activation
Ni─O
bonds
at
surface.
Particularly,
Ni–O–La
moieties,
combination
species
replenishment
O,
makes
Ni/La
–S
superior
Ni/SiO
.
synergy
promotion
Ni–O
poses
a
promising
strategy
for
efficient
catalytic
SR
syngas.
