Lithium-ion
batteries
have
garnered
significant
attention
in
the
field
of
new
energy
technologies
owing
to
their
remarkable
high
density
characteristics.
This
paper
proposes
a
compact
battery
liquid-cooling
system
and
perform
structural
optimization
based
on
stepwise
concept,
aimed
at
comprehensively
enhancing
performance
Battery
Liquid
Cooling
System
(BLCS).
Firstly,
this
conducts
an
consumption
flow
velocity
(V),
diameter
(D),
contact
angle
(θ).
Subsequently,
entropy
weighted-TOPSIS
method
is
utilized
for
objective
optimization,
thereby
obtaining
optimal
configuration
comprehensive
considerations
power
consume
(Pc),
maximum
temperature
(Tmax)
difference
(ΔT),
with
V=0.4
m/s,
D=3
mm,
θ=75°.
When
initial
temperature=25
℃
discharge
rate=3
C,
structure
yields
following
results:
Tmax
=28.089
℃,
ΔT=2.884
Pc=19.484
J.
Furthermore,
re-optimization
phase,
lightweight
design
applied
system.
In
we
optimize
three
parameters
layered
conductive
fin:
number
layers
(L),
height
each
layer
(Lh),
thickness
(Lw).
By
enumerating
Lw=0,
thirteen
operating
conditions
are
considered
L
ranging
from
1
4
layers,
Lh
taking
values
5
7
9
11
mm.
Employing
weight-TOPSIS
method,
solution
determined
by
considering
δ,
Tmax,
ΔT.
Under
condition,
weights
ΔT
41.02%,
30.82%,
28.16%,
respectively.
Following
evaluation,
attained:
L=3,
Lh=7.
these
conditions,
BLCS
achieves
Tmax=29.196
ΔT=3.753
δ=0.755,
resulting
weight
reduction
61
g
(20.7%)
components
excluding
battery.
research
through
has
accomplished
enhancement
both
mass
BLCS,
providing
valuable
references
insights
BTMS.
Engineering Applications of Computational Fluid Mechanics,
Journal Year:
2024,
Volume and Issue:
18(1)
Published: July 4, 2024
This
study
proposes
a
battery
thermal
management
system
based
on
L-shaped
heat
pipes
coupled
with
liquid
cooling.
Experimental
and
computational
fluid
dynamics
(CFD)
numerical
simulation
studies
have
been
conducted
the
performance
of
system.
The
three
dissipation
methods
including
forced
air
cooling,
bottom
cooling
pipe
were
compared.
results
demonstrate
that
coupling
can
control
maximum
temperature
difference
module
at
30.12°C
2.02°C
3C
discharge
rate.
Compared
was
decreased
by
30.16%
17.01%
72.14%
77.20%,
respectively.
Studied
impact
factors
such
as
coolant
flow
rate,
number
liquid-cooled
plate
channels,
inlet
under
different
ambient
temperatures
By
monitoring
temperature,
method
for
controlling
rate
water
has
developed
to
implement
an
intermittent
strategy
module.
Intermittent
various
obtain
similar
continuous
while
significantly
reducing
energy
consumption.
reduce
consumption
97.05%
minimum
30.00%.
Batteries,
Journal Year:
2025,
Volume and Issue:
11(3), P. 113 - 113
Published: March 17, 2025
This
study
investigates
a
hybrid-battery
thermal
management
system
(BTMS)
integrating
air-cooling,
cold
plate,
and
porous
materials
to
optimize
heat
dissipation
in
20-cell
battery
pack
during
charging
discharging
cycles
of
up
5C.
A
computational
fluid
dynamics
(CFD)
model
based
on
the
equivalent
circuit
(ECM)
is
developed
simulate
behavior
under
various
cooling
configurations,
including
different
media
vortex
generators
placed
between
cells.
The
impact
configurations
generation
analyzed,
five
are
tested
for
their
performance.
results
reveal
that,
among
examined
materials,
graphite
most
effective
maintaining
temperature
within
an
acceptable
range,
particularly
high
C-rate
charging.
Graphite
integration
significantly
reduces
stabilization
time
from
over
hour
approximately
600
s.
Additionally,
our
parametric
experiment
evaluates
influence
ambient
temperature,
airflow
velocity,
cold-plate
system’s
efficiency.
findings
demonstrate
that
300
K
305
minimizes
gradient,
ensuring
uniform
distribution.
research
highlights
potential
hybrid
BTMS
designs
incorporating
plates
enhance
performance,
safety,
lifespan
operational
conditions.
