160
C
C
C
p
n p n
f
p f
n
f
=
∅
+ − ∅
(
)
∅ + − ∅
(
)
ρ
ρ
ρ
ρ
,
,
1
1
(3)
where ∅, ρ and C p denote the nanomaterial volume fraction, density and specific
heat capacity, respectively. Subscripts n and f denote the nanomaterial and base
molten salt, respectively.
Table 2 The specific heat capacity of some typical eutectic salts without/with nanomaterials
Molten salt
Composition
ratio
Nanomaterials
Specific heat
capacity (J/g °C)
Reference
Solid phase
Liquid
phase
NaNO 3 –KNO 3 60–40 wt.%
\
1.604
1.648
Chieruzzi et al.
[10]
SiO 2
1.341–
1.843
1.329–
1.661
Al 2 O 3
1.526–
1.923
1.522–
1.745
TiO 2
1.372–
1.508
1.390–
1.544
SiO 2 –Al 2 O 3
1.572–
2.529
1.525–
2.018
\
1.21
1.47
Dudda and
Shin [11]
SiO 2
1.25–1.34 1.59–
1.80
\
1.48
Andreu-Cabedo
et al. [9]
SiO 2
1.51–1.85
NaNO 3 –
NaNO 2 –KNO 3
7–40–53 wt.% \
1.36–1.48
Ho and Pan
[13]
Al 2 O 3
1.57–1.64
Li 2 CO 3 –
K 2 CO 3
62–38 mol.%
\
1.25
1.59
Tiznobaik and
Shin [22]
SiO 2
1.54–1.61 1.95–
2.01
\
1.62
Tiznobaik et al.
[29]
SiO 2
2.05
Al 2 O 3
2.16
MgO
1.97
\
1.21
1.61
Tao et al. [21]
MWCNT
1.24–1.36 1.68–
1.85
SWCNT
1.26–1.43 1.69–
1.85
Graphene
1.30–1.41 1.72–
1.91
C 60
1.22–1.37 1.65–
1.81
Li 2 CO 3 –
K 2 CO 3 –
Na 2 CO 3
32.1–34.5–
33.4 wt.%
\
1.230
1.414
Zhang et al.
[30]
Tetra-needle-like
ZnO whiskers
1.180–
1.357
1.453–
1.665
X. Guo et al.
C
C
C
p
n p n
f
p f
n
f
=
∅
+ − ∅
(
)
∅ + − ∅
(
)
ρ
ρ
ρ
ρ
,
,
1
1
(3)
where ∅, ρ and C p denote the nanomaterial volume fraction, density and specific
heat capacity, respectively. Subscripts n and f denote the nanomaterial and base
molten salt, respectively.
Table 2 The specific heat capacity of some typical eutectic salts without/with nanomaterials
Molten salt
Composition
ratio
Nanomaterials
Specific heat
capacity (J/g °C)
Reference
Solid phase
Liquid
phase
NaNO 3 –KNO 3 60–40 wt.%
\
1.604
1.648
Chieruzzi et al.
[10]
SiO 2
1.341–
1.843
1.329–
1.661
Al 2 O 3
1.526–
1.923
1.522–
1.745
TiO 2
1.372–
1.508
1.390–
1.544
SiO 2 –Al 2 O 3
1.572–
2.529
1.525–
2.018
\
1.21
1.47
Dudda and
Shin [11]
SiO 2
1.25–1.34 1.59–
1.80
\
1.48
Andreu-Cabedo
et al. [9]
SiO 2
1.51–1.85
NaNO 3 –
NaNO 2 –KNO 3
7–40–53 wt.% \
1.36–1.48
Ho and Pan
[13]
Al 2 O 3
1.57–1.64
Li 2 CO 3 –
K 2 CO 3
62–38 mol.%
\
1.25
1.59
Tiznobaik and
Shin [22]
SiO 2
1.54–1.61 1.95–
2.01
\
1.62
Tiznobaik et al.
[29]
SiO 2
2.05
Al 2 O 3
2.16
MgO
1.97
\
1.21
1.61
Tao et al. [21]
MWCNT
1.24–1.36 1.68–
1.85
SWCNT
1.26–1.43 1.69–
1.85
Graphene
1.30–1.41 1.72–
1.91
C 60
1.22–1.37 1.65–
1.81
Li 2 CO 3 –
K 2 CO 3 –
Na 2 CO 3
32.1–34.5–
33.4 wt.%
\
1.230
1.414
Zhang et al.
[30]
Tetra-needle-like
ZnO whiskers
1.180–
1.357
1.453–
1.665
X. Guo et al.