Manganese
dioxide
(MnO2)
holds
great
potential
as
a
pseudocapacitive
material
for
supercapacitors,
but
its
low
electric
conductivity
limits
ability
to
reach
the
theoretically
predicted
capacitance.
In
this
study,
we
successfully
synthesized
MnO2
in
situ
on
porous
carbon
microspheres
derived
from
bamboo
pulp
fibers
using
hydrothermal
method.
The
morphology
and
phase
of
were
controlled
by
adjusting
reduction
reaction
KMnO4.
PCS
coated
with
sheet-like
δ-MnO2
obtained
at
Mn/C
ratio,
resulting
specific
surface
area
401.4
m2
g-1.
composite
exhibited
an
impressive
capacitance
364.4
F
g-1
current
density
0.5
A
99.7%
retention
after
10,000
cycles.
performance
was
improved
81%
incorporation.
This
study
presents
promising
prospects
sustainable
environmentally
friendly
production
bamboo-derived
materials
supercapacitors.
Toxics,
Год журнала:
2024,
Номер
12(9), С. 681 - 681
Опубликована: Сен. 20, 2024
Catalytic
ozone
oxidation,
which
is
characterized
by
strong
oxidizing
properties
and
environmental
friendliness,
has
been
widely
used
in
organic
wastewater
treatments.
However,
problems
such
as
a
low
pollutant
removal
efficiency
unstable
operation
during
the
catalytic
treatment
process
for
remain.
To
address
these
disadvantages,
this
study,
efficacy
of
oxidation
on
coal
chemical
reverse
osmosis
concentrate
was
investigated.
The
basic
water
quality
indicators
were
analyzed.
effects
initial
concentration,
pH,
catalyst
concentration
COD
rate
from
explored.
Water
before
after
studied
using
spectroscopic
analysis
methods.
RO
demonstrated
large
fluctuations,
ozonation
removed
most
pollutants
treated
wastewater.
A
possible
deactivation
mechanism
also
proposed.
This
study
provides
theoretical
reference
technical
support
long-term,
efficient,
stable
practical
engineering
applications.
Desalination and Water Treatment,
Год журнала:
2023,
Номер
315, С. 260 - 279
Опубликована: Дек. 1, 2023
The
push
for
advanced
water
treatment
techniques
has
led
to
significant
growth
in
research
focusing
on
ozonation
catalysis,
aiming
enhance
pollutant
degradation
efficiency
and
energy
conservation.Conventional
methods,
although
practical,
face
limitations
specific
require
excessive
inputs.Introducing
catalysis
can
potentially
overcome
these
challenges,
driving
the
frontier
toward
innovative
catalyst
materials
optimized
procedures.This
review
delves
deep
into
fundamentals
of
catalytic
ozonation,
emphasizing
its
advantages
critical
role
solutions.To
examine
emerging
trends,
spotlighting
state-of-the-art
catalysts
their
influence
improving
outcomes.The
future
perspectives
are
projected,
highlighting
potential
revolutionize
paradigms,
harnessing
balance
robust
removal.
Manganese
dioxide
(MnO2)
holds
great
potential
as
a
pseudocapacitive
material
for
supercapacitors,
but
its
low
electric
conductivity
limits
ability
to
reach
the
theoretically
predicted
capacitance.
In
this
study,
we
successfully
synthesized
MnO2
in
situ
on
porous
carbon
microspheres
derived
from
bamboo
pulp
fibers
using
hydrothermal
method.
The
morphology
and
phase
of
were
controlled
by
adjusting
reduction
reaction
KMnO4.
PCS
coated
with
sheet-like
δ-MnO2
obtained
at
Mn/C
ratio,
resulting
specific
surface
area
401.4
m2
g-1.
composite
exhibited
an
impressive
capacitance
364.4
F
g-1
current
density
0.5
A
99.7%
retention
after
10,000
cycles.
performance
was
improved
81%
incorporation.
This
study
presents
promising
prospects
sustainable
environmentally
friendly
production
bamboo-derived
materials
supercapacitors.
