Kua tutuki i ngā rauemi hiko karāhe hou ngā whakapainga nui i roto i ngā āhuatanga miihini, ngā āhuatanga wera, te pumau matū, me te ngāwari o te tukatuka. Ko te karāhe kua whakapakarihia ki te muka waro me te karāhe isostatic, ko ō rātou angitu mahi matua me ngā uara tono koia ēnei:
I. Karāwhite Whakakahangia e te Muka Waro: Te Whakapai Ake i ngā Āhuatanga Mīhini
1. Te Kaha me te Puku o te Modulus
Mā te whakauru i tētahi iti o te graphene (0.075 wt%) ki roto i ngā muka waro PAN, ka eke tōna kaha kume ki te 1916 MPa, ā, ka eke te modulus a Young ki te 233 GPa, e tohu ana i ngā pikinga o te 225% me te 184%, ia, ki te whakataurite ki ngā muka waro PAN parakore. I ahu mai tēnei putanga hou i te arotautanga a te graphene i te hanganga moroiti o te muka waro:
- Te whakaiti i te pūngao: Mā te tāpiri o te graphene ka tino whakaitihia te rahi o ngā pūngao o roto me ngā āputa i roto i ngā muka, ka tata te whakakore i ngā pūngao iti axial i ngā kukū teitei ake (0.1 wt%), ā, ka whakaitihia ngā pūwāhi kukū ahotea.
- Hanganga karāpeti raupapa: E whakaatu ana te mātaitanga Raman kei te karapotia ngā rau nano karāpeti e te hanganga karāpeti i hangaia i te wā o te whakapūnga waro PAN, ka hua ake he whatunga karāpeti tino pai ake me te iti ake o ngā hapa me te whakatakotoranga tioata kua pai ake.
2. Ngā horopaki tono whānui
- Rererangi: Ko ngā rauemi hiato kua whakapakarihia ki te muka waro, he 60% noa iho te matotoru o te koranu konumohe, ā, ka taea te hanga hei wāhanga kotahi (ka whakaiti i te whakamahinga o ngā whakapiri), e whakamahia whānuitia ana i roto i ngā wāhanga hanganga rererangi (hei tauira, 50% te whakamahinga o ngā rauemi hiato i roto i te Boeing B-787), ngā tinana o te waka whakarewa, me ngā wāhanga amiorangi.
- Te hangahanga teitei: Nā te ātete ki te mimiti, he mea nui ēnei mō ngā pūwero miihini rōkete, ngā hanganga matua tauhohenga karihi, me ētahi atu taiao tino kino.
II. Karāwhite Isostatic: Ngā Huarahi Whanui puta noa i ngā Āhuatanga Maha
1. Ngā Āhuatanga Mīhini: Te Hinga Atu i ngā Rino Tuku Iho
- Te kaha teitei me te isotropy: Mā te pēhi isostatic, ka neke atu tōna kaha kume i te 1000 MPa (he nui ake i ngā maitai noa), me te ōwehenga isotropy o te 1.0–1.1, ka whakakorea ngā hapa anisotropic o te graphite tikanga.
- Teitei o te mātotoru me te ātete ki te kakahu: Me te mātotoru papatipu o te 1.95 g/cm³, te kaha piko neke atu i te 80 MPa, me te kaha pēhi mai i te 200–260 MPa, he pai mō te hanga papa parai mahi teitei, hiri, me ngā peera.
2. Ngā Āhuatanga Wera: Te Pūmautanga i raro i ngā Āhuatanga Tino Kino
- Te ātete ki te pāmahana teitei me te ātete ki te ru wera: I roto i ngā āhuarangi kore mahi, ka eke tōna kaha miihini ki te 2500°C, me te ira rewa o te 3650°C me te ira kohua o te 4827°C. Nā tōna tauwehenga iti o te whakawhānui wera ka whakaiti i ngā huringa āhua, ka pai mō ngā irahiko mura rōkete, ngā pūwero, me ētahi atu wāhanga pāmahana teitei.
- Te kawe wera nui: Nā tōna kawe wera pai rawa atu ka taea te tere o te marara o te wera, ka whakarei ake i te whai huatanga o ngā taputapu, pērā i ngā wāhanga oumu wera kotahi-kirikiri momo-CZ (ngā oko whakarewa, ngā whakamahana).
3. Te Pūmautanga Matū: Te Ātete ki te Waikura me te Ātete ki te Waikura
Ka noho pumau i roto i ngā waikawa kaha, ngā kawakore, me ngā whakarewa waro, ā, ka ātete ki te horo o ngā konganuku rewa me te karāhe, he mea e pai ai mō ngā ipu matū, ngā hanganga matua tauhohenga karihi, me ētahi atu taiao waikura.
4. Te Āheinga o te Tukatuka: Te Ngāwari me te Tika
Ka taea te mīhini ki tētahi āhua hei whakatutuki i ngā whakaritenga hoahoa uaua, pērā i ngā irahiko mō te mīhini tuku hiko me ngā pokepokea karāte mō te whakarewanga konganuku tonu.
III. Te Ahumahi me ngā Aronga Ā-muri o ngā Rauemi Irahiko Karāpiti Hou
1. Te Ahunga Whakamua o te Ahumahi
- Karāhe isostatic: Kei te piki haere tonu tōna wāhi mākete o te ao, me te whakawhānui ake i te kaha ki Indonesia me Morocco e whakaū ana i tōna tūranga ahumahi.
- Te karāpeti whakakaha muka waro: Kua angitu te whakamahi a ngā kiritaki pākahiko matua o te ao, ā, kei te ārahi i te whanaketanga o te paerewa o te ao tuatahi,Whakatakotoranga Taipitopito Pātea mō ngā Rauemi Anode Nano-Silicon mō ngā Pūhiko Lithium-Ion.
2. Ngā Huarahi Hou o te Hangarau ā-Māui
- Te whakapai ake i ngā rauemi mata: Te whakaiti i te rahi o te matūriki whakahiato (hei tauira, mā te whakarerekētanga o te paura kōka tuarua ki te 2–5 μm) hei whakarei ake i ngā āhuatanga hangarau.
- Auahatanga hangarau whakairoiro: Ka whakaitihia e te hangarau whakairoiro ngaruiti te whakapaunga pūngao mā te 30%, ka whakapotohia hoki ngā huringa whakaputa, ka āwhina i te whakamahinga nui.
- Auahatanga hanganga: Hei tauira, ka tutuki i ngā anode karāhe rua-whakarara te kaha utu tere mō te 6 meneti, 60% me te pupuri tonu i te kiato pūngao o te ≥230 Wh/kg mā te tohatoha rua-whakarara o te rahi matūriki me te porosity.
Te wā tuku: Hurae-31-2025