Applied Organometallic Chemistry,
Journal Year:
2024,
Volume and Issue:
38(6)
Published: April 22, 2024
Manganese
dioxide
(MnO
2
)
often
suffers
from
a
slow
electron
transport,
and
so
improving
the
charge
transport
capability
of
MnO
is
imminent.
In
here,
crossed
nanosheets
grown
on
carbon
cloth
(CC)
are
fabricated
firstly
subsequently
coated
with
layer
polypyrrole
(PPy)
to
prepare
CC/MnO
/PPy
(CC/MP)
electrode.
At
1
A
g
−1
,
prepared
electrode
able
deliver
specific
capacitance
328
F
.
The
flexible
asymmetric
supercapacitor
consists
CC/MP
CC/activated
(CC/AC)
separately
as
positive
negative
electrodes
PVA‐H
SO
4
gel
electrolyte.
assembled
device
exhibits
123.96
at
10
mV
s
reaches
voltage
window
1.6
V,
has
retention
96.46%
after
8000
cycles,
produces
an
energy
density
25.67
W
h
kg
power
401.79
well
8.78
3902.22
two
devices
in
series
can
illuminate
1.8
V
red
light‐emitting
diode
(LED)
light.
These
excellent
electrochemical
properties
ascribed
unique
heterostructure
composite.
outcomes
indicate
that
corresponding
have
huge
potential
applications
next‐generation
high‐performance
devices.
Smart Molecules,
Journal Year:
2024,
Volume and Issue:
2(2)
Published: April 10, 2024
Abstract
Aqueous
rechargeable
batteries
using
abundant
multi‐ion
cations
have
received
increasing
attention
in
the
energy
storage
field
for
their
high
safety
and
low
cost.
Layered
double
hydroxides
(LDHs)
possess
a
two‐dimensional
structure
exhibit
great
potential
as
cathodes
intercalation.
However,
insufficient
active
sites
of
LDHs
result
capacities
discharging
process.
Interestingly,
after
deprotonation
process
favorable
electrochemical
performance
multi‐cation
The
has
been
widely
found
oxygen
evolution
reaction
field,
where
lose
H
laminates
converts
to
deprotonated
γ
‐phase
MOOHs
(MOOs).
Herein,
we
take
comprehensive
overview
dynamics
transformation
LDHs.
Furthermore,
development
advanced
aqueous
battery
cathode
metal
anode
based
on
is
explored
summarized.
Finally,
perspective
discussed.