Carbon-based
supercapacitors
have
emerged
as
promising
energy
storage
components
for
renewable
applications
due
to
the
unique
combination
of
various
physicochemical
characteristics
in
porous
carbon
materials
(PCMs)
that
can
improve
specific
capacitance
(SC)
properties.
It
is
essential
develop
a
methodical
approach
exploits
synergy
these
effects
PCMs
achieve
superior
performance.
In
this
study,
machine
learning
(ML)
provided
clear
direction
experiments
screening
key
features;
SHapley
Additive
exPlanations
analysis
on
ML
indicated
surface
area
and
doping
species
had
significant
synergistic
impact
SC
enhancement.
Utilizing
insights,
an
O,
N
co-doped
hierarchical
(ONPC-900)
was
synthesized
using
pyrolysis
strategy
through
K2CO3-assisted
in-situ
thermal
exfoliation
nanopore
generation.
This
method
leverages
role
nitride
(graphite-phase
nitride)
layer-stacked
template
oxygen
(O)-rich
properties
pre-treated
lignite,
enabling
controlled
synthesis
graphene-like
folded
amorphous
hybrid
structures
engineered
efficient
O
sites
high
area,
resulting
electrode
material
with
enhanced
structural
adaptability,
rapid
charge
transfer,
diffusion
mass
transfer
capacity.
Density
functional
theory
(DFT)
calculations
further
confirmed
pyrrole
nitrogen
(N-5),
carboxyl
(-COOH)
active
sites,
defect
structure
formed
by
pores
synergically
adsorption
electrolyte
ions
(K+)
electron
improving
The
optimized
ONPC-900
exhibited
impressive
440
F
g-1
(0.5
A
g-1),
outperforming
most
coal-based
PCMs.
study
provides
methodology
designing
synthesizing
optimizing
characteristic
parameters
synergism
from
complex
structure-activity
relationships
screening,
experimental
synthesis,
density
validation.
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 30, 2024
Abstract
Silicon/carbon
(Si/C)
composites
present
great
potential
as
anode
materials
for
rechargeable
batteries
since
the
integrate
high
specific
capacity
and
preferable
cycling
stability
from
Si
C
components,
respectively.
Functional
Si/C
based
on
lignocellulose
have
attracted
wide
attention
due
to
advantages
lignocellulose,
including
sustainability
property,
flexible
structural
tunability,
diverse
physicochemical
functionality.
Although
flourishing
development
of
boosts
studies
lignocellulose‐derived
with
electrochemical
performance,
publications
that
comprehensively
clarify
design
functionalization
these
high‐profile
are
still
scarce.
Accordingly,
this
review
first
systematically
summarizes
recent
advances
in
after
a
brief
clarification
about
selection
sources
self
extraneous
sources.
Afterward,
strategies,
nanosizing,
porosification,
magnesiothermic
reduction
material
well
heteroatom
modification
material,
specifically
highlighted.
Besides,
applications
Si/C‐based
elaborated.
Finally,
discusses
challenges
prospects
application
energy
storage
provides
nuanced
viewpoint
regarding
topic.
Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 21, 2024
Lignocellulose-mediated
liquid
metal
(LM)
composites,
as
emerging
functional
materials,
show
tremendous
potential
for
a
variety
of
applications.
The
abundant
hydroxyl,
carboxyl,
and
other
polar
groups
in
lignocellulose
facilitate
the
formation
strong
chemical
bonds
with
LM
surfaces,
enhancing
wettability
adhesion
improved
interface
compatibility.
Beyond
serving
supportive
matrix,
can
be
tailored
to
optimize
microstructure
adapting
them
diverse
This
review
comprehensively
summarizes
fundamental
principles
recent
advancements
lignocellulose-mediated
highlighting
advantages
composite
fabrication,
including
facile
synthesis,
versatile
interactions,
inherent
functionalities.
Key
modulation
strategies
LMs
innovative
synthesis
methods
functionalized
composites
are
discussed.
Furthermore,
roles
structure-performance
relationships
these
electromagnetic
shielding,
flexible
sensors,
energy
storage
devices
systematically
summarized.
Finally,
obstacles
prospective
pertaining
thoroughly
scrutinized
deliberated
upon.
is
expected
provide
basic
guidance
researchers
boost
popularity
applications
useful
references
design
state-of-the-art
LMs.