Pyrolytic Graphite Sheet (PGS) is a remarkable material known for its exceptional thermal conductivity and unique properties. PGS is a type of synthetic graphite that is produced through a high-temperature pyrolysis process, which results in a highly oriented, two-dimensional structure of carbon atoms. This structure gives PGS its anisotropic properties, meaning it conducts heat more effectively in one direction compared to the other.
One of the standout features of PGS is its outstanding thermal conductivity, making it an ideal choice for applications that require efficient heat dissipation and thermal management. PGS is often used as a thermal interface material (TIM) to improve heat transfer in electronic devices, such as smartphones, laptops, and LED lighting systems. It can be applied as a heat spreader or heat sink to help dissipate heat generated by electronic components, preventing overheating and ensuring the optimal performance of these devices.
PGS is also recognized for its lightweight and thin form factor, making it a versatile solution for applications where space and weight constraints are critical. Additionally, PGS is environmentally friendly, as it is a sustainable and non-toxic material.
Pyrolytic Graphite Sheet (PGS) is a cutting-edge material renowned for its exceptional thermal conductivity and heat-dissipating capabilities. It plays a crucial role in modern electronics, ensuring efficient thermal management and contributing to the longevity and performance of various electronic devices.
Difference between graphene and PGS
Pyrolytic Graphite Sheet (PGS) and graphene share similarities in terms of being carbon-based materials, but they are not the same. PGS is a form of synthetic graphite produced through pyrolysis, and it typically consists of multiple layers of carbon atoms arranged in a two-dimensional structure. It is highly oriented, anisotropic, and has excellent thermal conductivity, which makes it suitable for thermal management applications.
Graphene, on the other hand, is a single layer of carbon atoms arranged in a hexagonal lattice, making it a two-dimensional material. Graphene is often considered the basic building block of other carbon allotropes, including graphite. It exhibits remarkable electronic, thermal, and mechanical properties. While both PGS and graphene are carbon materials, they have distinct structures, properties, and applications.
PGS STRUCTURE (IMAGE):
Thermal conductivity comparison of different thickness PGS with other materials:
| Specifications | ↔ |
|---|---|
| Purity(Carbon Content) | > 99.9% |
| Thickness | 70±7 micrometer (other thickness can also be supplied) |
| Thermal conductivity (X-Y axis W/m.k) | 1100~1300 |
| Thermal conductivity (Z axis W/m.k) | 15~20 |
| In-plane thermal diffusivity (mm2/s) | 760~900 |
| Density (g/cm3) | 1.70±0.1 |
| Heat capacity (J/g/K ) | 0.85±0.01 |
| Sheet Resistance (Ohm/sq) | ~1.6 x 10-2 |
| Operation temperature (°C) | -40~400 |
| Bending (angle180, R5) | 20000 |