Chemical Communications,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Biomass-derived
carbon
materials
(BDCMs)
are
widely
considered
as
promising
and
practical
candidates
for
electrode
of
solid-state
supercapacitors
(SSCs),
due
to
their
low
cost,
good
chemical
mechanical
stabilities,
excellent
electrical
conductivity,
high
deployment
feasibility.
Numerous
investigations
have
recently
been
conducted
sustainably
transforming
biomass
into
with
electrochemical
performance
in
SSCs,
even
guided
by
data-driven
approaches.
Therefore,
this
review
addresses
conventional
emerging
synthesis
routes
BDCM-based
discusses
recent
advances
energy
storage
mechanisms
enhancement
BDCMs
improving
preparation
optimization
a
efficient
manner.
As
two
the
most
powerful
tools
novel
material
discovery
design,
machine
learning
(ML)
3D
printing
technologies
introduced
provide
closed-loop
guidelines
accurately
efficiently
producing
performance;
main
challenges
successfully
applying
ML
methodologies
also
addressed,
providing
critical
potential
innovation
future
development
SSCs.
In
review,
from
life-cycle
perspective,
environmental
benefits
assessed
being
highlighted
alternative
solidify
security
achieve
sustainable
management.
The
concluding
remarks
prospects
finally
discussed
valuable
insights
academic
researchers
governmental
policymakers.
With
concerted
efforts,
high-performance
SSCs
is
beneficial
achieving
UN
Sustainable
Development
Goals
7,
11-13.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 26, 2025
Abstract
Supercapacitors
are
rapidly
gaining
attention
as
next‐generation
energy
storage
devices
due
to
their
superior
power
and
densities.
This
study
pioneers
the
investigation
of
Mn/Zn
co‐doping
in
α‐Cu₂V₂O₇
(CVO)
enhance
its
performance
a
supercapacitor
electrode
material.
Structural
local
properties
co‐doped
CVO
have
been
investigated
through
X‐ray
Diffraction
(XRD),
Scanning
Electron
Microscopy
(SEM),
Transmission
(TEM),
Photoelectron
Spectroscopy
(XPS),
Absorption
(XAS),
revealing
significant
distortions
that
performance.
The
optimized
sample
demonstrates
remarkable
specific
capacitance
1950.95
Fg
−1
,
density
97.54
Whkg
enhanced
capacitive
retention,
attributed
unique
Cu
coordination
environment
improved
charge
transfer
kinetics.
Temperature‐dependent
Raman
spectroscopy
unveils
spin‐phonon
coupling
(SPC),
particularly
VO₄
stretching
modes,
supported
by
magnetic
measurements
shows
reduction
Néel
temperature
emergence
zero
field‐cooled
(ZFC)
exchange
bias
(EB).
work
is
first
report
impact
structure
distortion
on
both
SPC
CVO,
offering
novel
strategy
for
developing
high‐performance
materials
with
spintronics
potential.
In
addition,
assembled
symmetric
high
93.32
excellent
cycling
stability.
A
prototype
device
incorporating
successfully
powers
eight
commercial
LED
bulbs,
demonstrating
practical
application
ACS Sustainable Chemistry & Engineering,
Год журнала:
2024,
Номер
12(35), С. 13220 - 13230
Опубликована: Авг. 20, 2024
Electrically
conductive
hydrogel
electrodes
with
high
electrochemical
activity
are
crucial
for
flexible
supercapacitors.
However,
the
sluggish
performance
caused
by
cold
temperature
still
hinders
their
practical
applications.
Herein,
we
use
ligninsulfonate
sodium
(LS)
as
a
template
to
prepare
highly
polyaniline
(PANI)-based
electrode
material,
which
is
then
incorporated
into
chitosan
(CS)/PAAM
double-network
scaffold
form
an
LS-PANI/CS/PAAM
hydrogel.
The
as-prepared
not
only
exhibits
excellent
mechanical
flexibility
but
also
possesses
antifreezing
and
antidrying
properties
due
participation
of
H3PO4
electrolyte.
As
proof,
assembled
supercapacitor
achieves
superb-specific
capacitance
891
mF/cm2,
outstanding
energy
density
65.9
μWh/cm2,
wide
working
window
from
−30
90
°C.
In
addition,
device
showed
efficient
photothermal-stimulated
self-heating
ability,
could
realize
solar-thermal
conversion
enhancement.
presence
0.8
W/cm2
solar
illumination,
considerable
specific
681
mF/cm2
at
°C,
corresponding
30.2%
improvement
over
without
illumination.
60.5
μWh/cm2
delivered
superior
that
most
SCs.
Therefore,
developing
photothermal
using
sources,
it
possible
mitigate
decay
under
low-temperature
environmental
conditions.
The
pathway
to
sustainable
development
and
carbon
neutrality
is
contingent
upon
the
of
high-performance
porous
electrode
materials
sourced
from
biomass
industrial
waste.
present
research
introduces
an
innovative
approach
for
fabrication
carbon,
harnessing
collaborative
impact
various
transform
in
form
corncobs
byproduct
fly
ash
into
tiered
characterized
by
a
high
specific
surface
area
excellent
functionality,
via
simple
hydrothermal
activation
method.
This
material
particularly
well-suited
applications
supercapacitors,
lithium-ion
batteries,
other
energy
storage
systems.
fabricated
these
two
waste
streams
boasts
wealth
pores
exceptional
(1,768
m2
g-1),
which
turn
confers
superior
electrochemical
performance.
achieves
remarkable
capacitance
up
240
F
g-1
(at
1
A
demonstrates
properties
lithium
storage.
Lithium-ion
batteries
constructed
with
this
feature
extensive
potential
range,
initial
capacity
160
mAh
at
0.1
g-1,
near-perfect
coulomb
efficiency
approximately
100%.
uncovers
novel
paradigm
preparation
through
low-carbon
environmentally
conscious
approach.
It
not
only
advances
pursuit
realization
peak
objectives
but
also
underscores
valorizing
byproducts
context
cutting-edge
technologies.
