Batteries & Supercaps,
Journal Year:
2024,
Volume and Issue:
7(12)
Published: Aug. 16, 2024
Abstract
Organic
electrode
materials
(OEMs)
hold
significant
development
potential
in
the
field
of
batteries
and
are
regarded
as
excellent
complementary
to
resource‐limited
inorganic
materials,
which
have
recently
been
subject
extensive
research.
As
research
deepens,
an
increasing
number
scholars
recognize
influence
weak
bond
interactions
on
properties
OEMs.
Generally,
more
pronounced
effects
organic
compared
ones.
Among
various
interactions,
hydrogen
bonds
particularly
noteworthy,
having
proven
play
crucial
roles
adjusting
charge
distribution,
stabilizing
crystal
structures,
inhibiting
cyclic
dissolution.
The
studies
OEMs
therefore
paramount
importance
for
guiding
their
future
development.
In
this
review,
we
primarily
summarize
progress
science
within
discuss
directions
prospects
area.
Hoping
provide
valuable
references
advancement
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(48)
Published: Sept. 3, 2024
Abstract
P‐type
organic
cathode
materials
typically
exhibit
high
redox
potentials
and
fast
kinetics,
presenting
broad
application
prospects
in
aqueous
zinc
batteries
(AZBs).
However,
most
of
the
reported
p‐type
limited
capacity
(<100
mAh
g
−1
),
which
is
attributable
to
low
mass
content
ratio
oxidation‐reduction
active
functional
groups
these
materials.
Herein,
we
report
a
high‐capacity
material,
5,12‐dihydro‐5,6,11,12‐tetraazatetracene
(DHTAT),
for
batteries.
Both
experiments
calculation
indicate
charge
storage
DHTAT
mainly
involves
adsorption/desorption
ClO
4
−
on
−NH−
group.
Benefitting
from
group
DHATA
molecule,
electrode
demonstrates
remarkable
224
at
current
density
50
mA
with
stable
voltage
1.12
V.
Notably,
after
5000
cycles
5
A
,
retains
73
%
its
initial
capacity,
showing
promising
cycling
stability.
In
addition,
also
has
good
low‐temperature
performance
can
stably
cycle
−40
°C
4000
1
making
it
competitive
candidates
material
ACS Applied Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 23, 2024
A
simple
approach
to
design
the
molecular
architecture
based
on
modified
benzoquinone
and
its
flexible
supercapacitor
device
is
demonstrated.
In
present
work,
two
electron-withdrawing
subunits
such
as
2-nitroaniline
(NA)
3,5-dinitro
aniline
(DNA)
are
utilized
functionalize
(BQ)
core.
As-prepared
electrode
materials
BQ-NA
BQ-DNA
graphite
foil
(GF)
directly
employed
fabricate
a
three-electrode
(SC)
in
1
M
H2SO4
electrolyte.
At
0.5
g–1
current
density,
BQ-DNA/GF
electrode-based
SC
can
deliver
higher
specific
capacitance
(Csp)
of
341.13
F
compared
BQ-NA/GF
322.47
g–1.
This
could
be
ascribed
effect
four
–NO2
groups
BQ-DNA.
Moreover,
two-electrode
BQ-DNA/GF//BQ-DNA/GF
symmetric
(SSC)
were
created
using
GF
surface.
The
BQ-DNA/GF-based
FSSC
at
0°
bending
angle
exhibits
noticeable
Csp
with
81.66%
retention
after
5000
cycles
mA
cm–2
density.
highest
energy
density
12.81
μW
h
1.36
mW
power
was
achieved
for
FSSC.
cell
configuration
180°
also
retains
excellent
Csp.
work
provides
way
high-performance
storage
organic
compounds
electronics
wearable
architectures.
Organic
polymer
cathode
materials
have
emerged
as
promising
candidates
for
constructing
sustainable
lithium
and
post-lithium
batteries.
However,
it
remains
a
significant
challenge
to
synthesize
electroactive
polymers
with
the
desired
energy
density
cycling
stability
in
cost-effective
manner.
Herein,
we
present
simple
yet
effective
solid-phase
method
synthesizing
series
of
bipolar
quinone-amine
polymers,
specifically,
poly(imino
anthraquinone)s
(PIAQs).
The
dehydration
polycondensation
reaction,
occurring
at
350
°C
between
amino
hydroxy
groups
low-cost
diaminoanthraquinone
dihydroxyanthraquinone
monomers,
yields
four
PIAQ
samples
identical
repeating
units
but
varied
connection
patterns.
As
batteries
employing
ester-type
electrolytes,
they
exhibit
comparable
charge–discharge
curves
densities
within
1.5–4.3
V
varying
stabilities
proportional
their
polymerization
degrees.
For
example,
despite
its
lowest-cost
PIAQ-44
demonstrates
one
most
outstanding
electrochemical
performances
among
materials,
boasting
reversible
capacity
248
mA
h
g–1,
an
average
discharge
voltage
2.53
V,
high
(75%
retention
after
2000
cycles).
Moreover,
slight
differences
performance
PIAQs,
pertaining
redox,
irreversible
deprotonation,
fade,
been
thoroughly
elucidated
provide
constructive
insights
into
polymers.
Batteries & Supercaps,
Journal Year:
2024,
Volume and Issue:
7(12)
Published: Aug. 16, 2024
Abstract
Organic
electrode
materials
(OEMs)
hold
significant
development
potential
in
the
field
of
batteries
and
are
regarded
as
excellent
complementary
to
resource‐limited
inorganic
materials,
which
have
recently
been
subject
extensive
research.
As
research
deepens,
an
increasing
number
scholars
recognize
influence
weak
bond
interactions
on
properties
OEMs.
Generally,
more
pronounced
effects
organic
compared
ones.
Among
various
interactions,
hydrogen
bonds
particularly
noteworthy,
having
proven
play
crucial
roles
adjusting
charge
distribution,
stabilizing
crystal
structures,
inhibiting
cyclic
dissolution.
The
studies
OEMs
therefore
paramount
importance
for
guiding
their
future
development.
In
this
review,
we
primarily
summarize
progress
science
within
discuss
directions
prospects
area.
Hoping
provide
valuable
references
advancement
