Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 18, 2024
Developing
highly
efficient
biomass-derived
carbon-based
electrocatalysts
remains
challenging
for
urea
electrolysis
because
most
of
these
show
powder
morphology,
which
can
lead
to
Ostwald
ripening
during
the
reaction
process,
and
its
mechanism
should
be
further
verified.
Herein,
self-supported
lignin-derived
carbon
coupling
NiO@MoNi
Carbon Energy,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 20, 2025
ABSTRACT
Carbon
electrocatalyst
materials
based
on
lignocellulosic
biomass
with
multi‐components,
various
dimensions,
high
carbon
content,
and
hierarchical
morphology
structures
have
gained
great
popularity
in
electrocatalytic
applications
recently.
Due
to
the
catalytic
deficiency
of
neutral
atoms,
usage
single
lignocellulosic‐based
electrocatalysis
involving
energy
storage
conversion
presents
unsatisfactory
applicability.
However,
atomic‐level
modulation
lignocellulose‐based
can
optimize
electronic
structures,
charge
separation,
transfer
processes,
so
forth,
which
results
substantially
enhanced
performance
carbon‐based
catalysts.
This
paper
reviews
recent
advances
rational
design
as
electrocatalysts
from
an
perspective,
such
self/external
heteroatom
doping
metal
modification.
Then,
through
systematic
discussion
principles
reaction
mechanisms
catalysts,
prepared
catalysts
rechargeable
batteries
are
reviewed.
Finally,
challenges
improving
prospects
diverse
review
contributes
synthesis
strategy
via
modulation,
turn
promotes
lignocellulose
valorization
for
conversion.
The
low-cost
and
high-capacity
SiOx
is
widely
recognized
as
an
ideal
anode
material
for
lithium
storage;
however,
the
challenges
of
low
conductivity
significant
volume
expansion
still
need
to
be
addressed.
In
this
work,
we
incorporated
into
a
lignin-derived
carbon
with
elevated
nitrogen
content
through
step-by-step
carbonization
strategy.
Initially,
electrostatic
assembly
facilitated
formation
complex
comprising
modified
lignin
SiO2,
which
was
subsequently
subjected
etching
steps.
Finally,
due
zinc
species
inhibiting
decomposition,
cocarbonization
porous
carbon/SiOx
complex,
oxalate,
melamine
enabled
construction
nitrogen-enriched
composite.
resulting
composite
exhibited
moderate
specific
surface
area,
abundant
mesoporous
channels,
exceptionally
high
doping
17.91
at.
%.
These
characteristics
effectively
enhanced
storage
transportation
ions
while
mitigating
expansion.
As
anodes
in
half
batteries,
reversible
capacity
optimized
reached
894
mAh/g
during
stable
cycles,
attributed
ion
diffusion
rate
kinetics
from
well
improved
structural
stability
encapsulated
structure.
Furthermore,
assembled
lithium-ion
capacitor
demonstrated
energy
density
82
Wh/kg
maintained
retention
93.1%
after
undergoing
15,000
cycles.
This
work
presents
novel
concept
synthesis
nitrogen-rich
matrixes
but
also
offers
insights
optimization
silicon-based
negative
electrodes
using
green
biomass.
AIChE Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 21, 2025
Abstract
A
high
yield
of
up
to
90%
2,5‐bis(hydroxymethyl)furan
(BHMF)
was
successfully
achieved
through
the
selective
hydrogenation
high‐concentration
(up
20
wt%)
5‐hydroxymethylfurfural
(HMF)
utilizing
a
novel
Ni
catalyst
supported
by
renewable
carbon
under
mild
reaction
conditions
(50°C)
in
an
aqueous
medium.
The
superior
catalytic
performance
is
attributed
uniformly
dispersed
and
small‐size
nanoparticles,
which
demonstrated
exceptional
efficiency
facilitating
aldehydes
ketones,
further
highlighting
catalyst's
potential
for
industrial
applications.