Graphite Paper, carbon{0}}nneɛma a egyina so no, da dwumadie ho anidasoɔ a ɛtrɛ adi wɔ ɛlɛtrɔnik, ɔhyew sohwɛ, ne ahoɔden foforɔ mu ɛnam ne anyinam ahoɔden ne ɔhyeɛ a ɛkɔ mu yie ne ahoɔden a ɛyɛ hare nti. Nanso, ne ahosiesie hwehwɛ sɛ wodi nhyehyɛe no mu nsɛm so kɛse koraa, na akwan titiriw a wɔfa so yɛ adwuma no ho hia kɛse na ama wɔatumi ayɛ adwuma yiye.
Raw material a wɔpaw ne pretreatment yɛ anammɔn titiriw. High-Purity Natural Flake graphite anaa graphite a wɔatrɛw mu ne ade titiriw a wɔde yɛ nneɛma, a ɛho tew boro 99% na ama wɔakwati efĩ. Wɔ pretreatment stage no mu no, wɔde intercalating agent (te sɛ sulfuric acid anaa nitric acid) yɛ graphite no oxidized ma ɛyɛ graphite intercalation compounds a ɛma ɛyɛ kɛse. Wɔ saa anammɔn yi mu no, ɛsɛ sɛ wɔhwɛ intercalating agent concentration, reaction temperature, ne reaction time so pɛpɛɛpɛ-sɛ nhwɛso no, sulfuric acid a wɔahyɛ no den no ne graphite no nsusuwii taa yɛ 3:1 kosi 5:1, na ɛsɛ sɛ wɔma reaction temperature no kɔ so yɛ 0–5℃na wɔasiw structure damage a efi exotherm a ɛboro so ba no ano.
Exfoliation ne film formation techniques nya graphite krataa no microstructure so nkɛntɛnso tẽẽ. Akwan a wɔtaa fa so no bi ne mfiri a wɔde yiyi mu ne nnuru a ɛyɛ hyew a wɔde gu mu (CVD). Wɔ mfiri a wɔde yiyi mu mu no, wɔyi graphite a ɛwɔ ntam no fi mu ma ɛyɛ biako anaa kakraa bi-layer graphene a wɔde High-Speed Ball Milling anaa Ultrasonic Dispersion di dwuma. Afei wɔhyehyɛ eyi yɛ krataa-te sɛ nhyehyɛe denam vacuum filtration anaa kalenda so. Wɔ saa adeyɛ yi mu no, ɛsɛ sɛ wɔyɛ apete no su ne ne dodow (te sɛ n-methylpyrrolidone) no yiye na amma krataa no aboaboa ano. CVD deɛ, ɛde carbon fibea te sɛ methane di dwuma de yɛ graphene wɔ dadeɛ ase (te sɛ nickel foil) denam kɔ a ɛkorɔn-temperature decomposition. Afei wɔde graphene no kɔ target substrate no so. Nkɔsoɔ ne pɛyɛ a wɔbɛdi so no yɛ asɛnnennen, na mpɛn pii no ɛsɛ sɛ wɔma ɔhyeɛ no kɔ so yɛ 800–1000℃.
Post-Processing ne agyapadeɛ sohwɛ nso ho hia paa. Sɛ womia so a, ebetumi ama graphite krataa no mu duru ne ɔhyew a ɛkɔ mu no atu mpɔn kɛse. Ɔhyew a wɔkamfo kyerɛ sɛ ɛnyɛ hyew a wɔde mia no yɛ 2000–3000℃, na wɔhwɛ nhyɛso no so wɔ 5–10 MPa. Ɛnyɛ den sɛ nhyɛso a ɛtra so betumi ama mpaapaemu a ɛyɛ mmerɛw aba. Bio nso, ɔfasu no so dwumadi (te sɛ polymer anaa dade a wɔde kata so) betumi ama adhesion a ɛwɔ mfiri ahorow mu no ayɛ kɛse, na ama afata ama ɛlɛtrɔnik mfiri a ɛyɛ mmerɛw.
Sɛ yɛbɛbɔ no mua a, graphite krataa a wɔyɛ no yɛ mfiridwuma a ɛfa nneɛma ahorow ho a ɛhwehwɛ sɛ wodi so pɛpɛɛpɛ wɔ anammɔn biara mu, efi nneɛma a wɔde yɛ nneɛma so kosi nneɛma a wɔawie so. Wɔ process optimization ne equipment upgrades mu no, graphite paper no adwumayɛ anohyeto no bɛkɔ so apia, na ɛbɛma woanya hokwan pii ama high-end manufacturing.
