A Perspective Review on Thermal Conductivity of Hybrid Nanofluids and Their Application in Automobile Radiator Cooling

Table 7

Electrical and thermal conductivities of some carbon-based materials at 300 K.

Form of carbon	Electrical conductivity	Thermal conductivity (W/m K)
Graphite	2 × 10^5–3 × 10^5	110–190
Graphene	1.00 × 10^8	2000–5300
Diamond	1 × 10^−11–1 × 10^−18	900–2300
Carbon nanotubes	2.5 × 10^4–2 × 10^7	1800–4000