ACS Energy Letters,
Год журнала:
2024,
Номер
9(9), С. 4353 - 4360
Опубликована: Авг. 12, 2024
In
the
field
of
rechargeable
aqueous
aluminum
batteries
(AABs),
carbonyl-
and
imine-based
organic
materials
have
received
much
attention
due
to
their
design
flexibility.
However,
such
usually
face
problems
as
low
capacity
poor
stability.
For
this
reason,
a
simple
dehydration
condensation
method
was
employed
redox-active
material
(ROM)-BQPT
(benzo[i]benzo[6,7]quinoxalino[2,3,9,10]phenanthrol[4,5-abc]phenazine-5,10,16,21-tetraone)
π-conjugated
structure
enriched
with
multiple
C=O
C=N
groups.
Due
introduction
more
sites,
BQPT
can
provide
an
extremely
striking
396.4
mAh
g–1
at
0.2
A
g–1.
Additionally,
abundant
π–π
structural
interactions
endowed
good
stability
solubility.
addition,
further
theoretical
calculations
confirm
that
reorganization
electron
cloud
expansion
ligand
improve
redox
kinetics
BQPT.
Combined
ex
situ
characterizations,
its
reaction
mechanism
Al(OTF)2+
elucidated.
This
study
provides
significant
reference
for
new
types
ROMs.
Case Studies in Thermal Engineering,
Год журнала:
2024,
Номер
58, С. 104372 - 104372
Опубликована: Апрель 7, 2024
Battery
thermal
management
system
(BTMS)
is
of
utmost
importance
to
ensure
their
safe
and
efficient
operation.
In
regions
with
hot
climates,
such
as
Saudi
Arabia,
batteries
are
particularly
susceptible
overheating,
leading
performance
degradation,
safety
risks,
potential
fires.
Traditional
phase
change
materials
(PCMs)
have
limitations
in
terms
slow
response
times
limited
conductivity.
To
overcome
these
challenges,
nano-enhanced
PCMs
(NePCMs)
been
developed,
incorporating
nanoparticles
into
the
PCM
matrix
enhance
properties.
This
study
focused
on
application
NePCM,
specifically
RT44
SWCNT,
for
BTMS
a
pouch
battery
climates.
The
investigation
primarily
centered
exploring
effects
NePCM
chamber
thicknesses
at
top
bottom.
It
was
expected
that
increasing
thickness
would
effectively
regulate
temperature.
However,
revealed
had
impact
temperature
due
dominant
influence
ambient
environment.
summary,
results
this
indicate
optimal
design
configuration
chamber,
thickness,
consists
bottom
10
mm
15
mm.
