Journal
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
Volume 102, Issue 9-12, Pages 3011-3020Publisher
SPRINGER LONDON LTD
DOI: 10.1007/s00170-019-03426-6
Keywords
Graphene-based film heater; Net-like electrode; Ultraviolet laser; Infrared thermal imaging camera; Electric heating
Funding
- Ministry of Science and Technology of Taiwan [MOST 107-2221-E-027-129-MY2, MOST 107-2622-E-019-CC3]
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Graphene-based film heaters (GFHs) with laser-patterned electrode structures can be used in microheaters, thermal sensors, and thermostatic apparatuses for various high-value-added medical devices and creative products. To obtain uniform and higher temperatures, this study aims to design, fabricate, and measure GFHs with net-like electrode structures using ANSYS Workbench software, an ultraviolet laser processing system, and an infrared thermal imaging camera, respectively. The electric heating experiments (which were measured with an infrared thermal imaging camera) demonstrated that the temperatures of GFHs with net-like electrode structures were significantly higher than those of devices without patterned graphene films. Moreover, the temperatures of GFHs with net-like electrode structures increased rapidly with time when DC voltages higher than 12V were applied for at least 10s. A maximum temperature of 91.5 degrees C was obtained at 200s when a DC voltage of 18V was applied. Besides, minimal and maximal deviations of steady-state temperatures between experimental and simulated values were 6.9 degrees C and 10 degrees C under each corresponding DC voltage, respectively.
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