Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
63(43), С. 18279 - 18288
Опубликована: Окт. 19, 2024
This
paper
discusses
the
structural
properties
of
orthopyroxene,
specifically
Enstatite
[(Mg,Fe)2Si2O6]
silicate,
named
here
as
"En-silicate".
En-silicates
are
exfoliated
using
a
scalable
liquid-phase
exfoliation
technique,
producing
mostly
thin
sheets
approximately
2
nm
thickness.
The
bonding
characteristics
orthopyroxene
characterized
by
FTIR
spectroscopy,
where
combination
covalent
and
ionic
bonding,
with
strong
Si–O
bonds
weaker
Mg–O
Fe–O
bonds,
was
observed.
high
surface
area
these
2D
silicates
stores
charges
on
silicate
layers
or
in
interlayer
spaces,
which
makes
them
ideal
for
supercapacitor
application.
work
investigates
charge-storing
capacity
En-silicate
positive
electrode
activated
carbon
negative
hybrid
asymmetric
supercapacitor.
dominance
ion
adsorption
kinetics
cyclic
stability
give
rise
to
an
excellent
capacitive
property.
highest
specific
capacitance
obtained
303
F
g–1
at
5
mV
s–1
280
1
A
3
M
KOH
aqueous
electrolyte.
fabricated
device
shows
energy
18
Wh
kg–1
1600
W
RSC Advances,
Год журнала:
2025,
Номер
15(4), С. 2582 - 2590
Опубликована: Янв. 1, 2025
Heteroatom-doped
hierarchical
porous
carbon
(AF-MMTC)
was
prepared
with
hard
template
and
salt
dual
templating
agents,
the
synergistically
construct
pore
structures
at
different
scales.
RSC Advances,
Год журнала:
2024,
Номер
14(45), С. 32958 - 32977
Опубликована: Янв. 1, 2024
To
address
the
inherent
challenges
such
as
restacking,
limited
ion-accessibility,
scalability,
stability,
and
intricate
balance
between
surface
area
conductivity,
this
article
delves
into
emerging
strategies
prospects.
RSC Advances,
Год журнала:
2024,
Номер
14(35), С. 25619 - 25628
Опубликована: Янв. 1, 2024
This
research
focused
on
utilizing
banana
peel
as
the
primary
material
for
producing
mesoporous
biomass
charcoal
through
one-step
potassium
hydroxide
activation.
Materials Horizons,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
High-capacity
small
organic
compounds
are
easily
dissolved
in
aqueous
electrolytes,
resulting
limited
cycling
stability
of
Zn-organic
batteries
(ZOBs).
To
address
this
issue,
we
proposed
constructing
superstable
lock-and-key
hydrogen-bonding
networks
between
the
2,7-dinitrophenanthraquinone
(DNPQ)
cathode
and
NH4+
charge
carriers
to
achieve
ultrastable
ZOBs.
DNPQ,
with
its
sextuple-active
carbonyl/nitro
motifs
(H-bonding
acceptors),
was
found
be
uniquely
prone
redox-coupling
tetrahedral
ions
donors)
while
excluding
sluggish
Zn2+
ions,
owing
a
lower
activation
energy
(0.32
vs.
0.43
eV).
NH4+-coordinated
H-bonding
electrochemistry
overcame
instability
DNPQ
electrolytes
enabled
rapid
redox
kinetics
non-metal
carriers.
As
result,
three-step
3e-
coordination
achieved
large-current
survivability
(50
A
g-1)
long-lasting
cyclability
(80
000
cycles)
for
This
work
broadens
potential
developing
high-performance
H-bonding-stabilized
organics
advanced
