Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(29)
Published: March 18, 2024
Abstract
The
capacitive
properties
of
supercapacitors
highly
rely
on
the
reasonable
design
high‐performance
electrode
materials.
Herein,
a
synergetic
strategy
pre‐oxidation
and
pre‐carbonization
is
proposed
to
prepare
coal
tar
pitch
(CTP)
based
porous
carbon.
formation
mechanism
carbon
revealed.
Pre‐oxidation
increases
heteroatom
content
promotes
decomposition
polycyclic
aromatic
hydrocarbons
into
small
molecules,
which
more
conducive
improving
subsequent
activation
enhancing
microporous
specific
surface
area.
Also,
autoclave
polymerization
precursors
yield.
Benefiting
from
synergistic
effect
pre‐carbonation,
obtained
exhibits
superior
capacitance
365
F
g
−1
.
Meanwhile,
ZnCl
2
used
as
hydrogen‐bonding
acceptor
synthesize
‐EG/PVA
deep
eutectic
solvent
(DES)
gel,
it
applicable
acidic,
neutral,
alkaline
electrolytes.
capacitor
assembled
with
prepared
DES
gel
electrolyte
achieves
high
energy
density
41.3
Wh
kg
works
well
in
unconventional
temperatures
(−40–75
°C).
This
work
confirms
fabrication
CTP‐based
material
expects
using
other
pre‐oxidation/carbonization
agents.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 2, 2025
Abstract
The
rapid
expansion
of
the
global
economy
has
led
to
a
surge
in
energy
demand,
resulting
significant
environmental
pollution
and
scarcity
due
concomitant
increase
greenhouse
gas
emissions.
advancement
deep
eutectic
solvents
(DESs)
introduced
viable
substitute
for
traditional
processing
methods,
boasting
numerous
intrinsic
benefits,
such
as
superior
eco‐compatibility,
outstanding
thermal
stability,
desirable
electrochemical
properties.
Consequently,
DESs
have
garnered
attention
from
research
community,
demonstrating
broad
spectrum
prospective
applications
variety
fields
instance
energy,
biomass
degradation,
materials
synthesis,
biomedicine.
This
review
aims
offer
comprehensive
methodical
overview
DESs,
encompassing
their
historical
development,
classification,
preparation
methodologies,
fundamental
physicochemical
Furthermore,
this
explores
synthesis
various
functional
examines
multifunctional
roles.
Crucially,
economic
viability
is
thoroughly
examined,
including
an
assessment
cost‐effectiveness
market
potential.
Finally,
concludes
by
outlining
future
directions
development
challenges
that
remain.
