Ko te nuinga o ngā pākahiko lithium-ion kei te whanake haere i te huarahi o te kiato pūngao teitei. I te pāmahana rūma, ka whakakotahihia ngā rauemi hiko kino e ahu mai ana i te silicon me te lithium hei whakaputa i te hua Li3.75Si whai rawa i te lithium, me te kaha motuhake tae atu ki te 3572 mAh/g, he nui ake i te kaha motuhake ariā o te hiko kino graphite 372 mAh/g. Heoi, i roto i te tukanga utu me te tukunga o ngā rauemi hiko kino e ahu mai ana i te silicon, ka taea e te huringa āhua o te Si me te Li3.75Si te whakaputa i te whānui nui (tata ki te 300%), ka arahi ki te paura hanganga o ngā rauemi hiko me te hanganga tonu o te kiriata SEI, ā, ka mutu ka heke tere te kaha. Ko te nuinga o te umanga ka whakapai ake i te mahi o ngā rauemi hiko kino e ahu mai ana i te silicon me te pumau o ngā pākahiko e ahu mai ana i te silicon mā te nano-sizing, te paninga waro, te hanganga pore me ētahi atu hangarau.
He pai te kawe hiko o ngā rauemi waro, he iti te utu, ā, he whānui ngā pūtake. Ka taea e rātou te whakapai ake i te kawe hiko me te pumau o te mata o ngā rauemi e hangai ana ki te silicon. He pai ake te whakamahi hei tāpiri whakapai ake i te mahi mō ngā irahiko kino e hangai ana ki te silicon. Ko ngā rauemi silicon-waro te huarahi whanaketanga matua o ngā irahiko kino e hangai ana ki te silicon. Ka taea e te paninga waro te whakapai ake i te pumau o te mata o ngā rauemi e hangai ana ki te silicon, engari ko tōna kaha ki te aukati i te whakawhānui o te rōrahi silicon he whānui, ā, kāore e taea te whakaoti i te raruraru o te whakawhānui o te rōrahi silicon. Nō reira, hei whakapai ake i te pumau o ngā rauemi e hangai ana ki te silicon, me hanga he hanganga pūwero. Ko te mira pōro he tikanga ahumahi mō te whakarite i ngā nanomaterials. Ka taea te tāpiri i ngā tāpiri rerekē, i ngā wāhanga rauemi rānei ki te paru i whiwhihia mai i te mira pōro e ai ki ngā whakaritenga hoahoa o te rauemi hiato. Ka tohatohahia te paru i roto i ngā momo paru ka whakamaroketia. I te wā o te tukanga whakamaroke tere, ka hanga aunoa ngā matūriki nano me ētahi atu wāhanga i roto i te paru i ngā āhuatanga hanganga pūwero. Ka whakamahia e tēnei pepa te hangarau mira pōro me te whakamaroke pūwero ahumahi me te taiao hei whakarite i ngā rauemi e hangai ana ki te silicon pūwero.
Ka taea hoki te whakapai ake i te mahi a ngā rauemi e ahu mai ana i te silicon mā te whakahaere i te āhua me ngā āhuatanga tohatoha o ngā nanomaterials silicon. I tēnei wā, kua whakaritea ngā rauemi e ahu mai ana i te silicon me ngā momo āhua me ngā āhuatanga tohatoha, pērā i ngā nanorods silicon, te nanosilicon kua whakauruhia ki te graphite porous, te nanosilicon kua tohatohahia ki roto i ngā poro waro, ngā hanganga porous silicon/graphene array, me ētahi atu. I te tauine kotahi, ki te whakataurite ki ngā nanoparticles, ka taea e ngā nanosheets te pehi pai ake i te raruraru kuru i puta mai i te whakawhānui rōrahi, ā, he nui ake te kiato whakakī o te rauemi. Ka taea hoki e te whakarārangi koretake o ngā nanosheets te hanga i tētahi hanganga porous. Hei whakauru atu ki te rōpū whakawhiti hiko kino silicon. Whakaratohia he wāhi ārai mō te whakawhānui rōrahi o ngā rauemi silicon. Ko te whakaurunga o ngā nanotubes waro (CNTs) ehara i te mea ka whakapai ake i te kawe hiko o te rauemi, engari ka whakatairanga hoki i te hanganga o ngā hanganga porous o te rauemi nā ōna āhuatanga āhua kotahi-ahu. Kāore he pūrongo mō ngā hanganga porous i hangaia e ngā nanosheets silicon me ngā CNTs. Ka whakamahia e tēnei pepa ngā tikanga mira pōro e whakamahia ana e te ahumahi, te huri me te horapa, te whakamaroke rehu, te paninga-mua waro me te whakapūkara, ā, ka whakauruhia ngā kaiwhakatairanga pūwero ki roto i te tukanga whakarite hei whakarite i ngā rauemi hiko kino e ahu mai ana i te silicon pūwero i hangaia mā te huihuinga-ake o ngā nanosheets silicon me ngā CNT. He māmā te tukanga whakarite, he pai ki te taiao, ā, kāore he wai para, he toenga para rānei e puta. He maha ngā pūrongo tuhinga mō te paninga waro o ngā rauemi e ahu mai ana i te silicon, engari he iti noa ngā kōrero hohonu mō te pānga o te paninga. Ka whakamahia e tēnei pepa te uku hei pūtake waro hei tirotiro i ngā pānga o ngā tikanga paninga waro e rua, te paninga wāhanga wai me te paninga wāhanga totoka, ki te pānga paninga me te mahi a ngā rauemi hiko kino e ahu mai ana i te silicon.
1 Whakamātautau
1.1 Te whakarite rauemi
Ko te whakarite i ngā rauemi hiato silicon-waro porous e rima ngā taahiraa matua: te mira pōro, te huri me te horapa, te whakamaroke rehu, te paninga waro-mua me te whakawaro. Tuatahi, paunatia te 500 karamu o te paura silicon tuatahi (ā-whare, 99.99% parakore), tāpirihia te 2000 karamu o te isopropanol, ka mahi i te mira pōro mākū i te tere mira pōro o te 2000 r/min mō te 24 hāora kia whiwhi ai i te paru silicon nano-tauine. Ka whakawhitia te paru silicon kua whiwhi ki te tāke whakawhiti horapa, ā, ka tāpirihia ngā rauemi kia rite ki te ōwehenga papatipu o te silicon: graphite (i hangaia i Shanghai, taumata pākahiko): nanotubes waro (i hangaia i Tianjin, taumata pākahiko): polyvinyl pyrrolidone (i hangaia i Tianjin, taumata tātari) = 40:60:1.5:2. Ka whakamahia te Isopropanol hei whakatika i te ihirangi totoka, ā, kua hangaia te ihirangi totoka kia 15%. Ka mahia te huri me te horapa i te tere horapa o te 3500 r/min mō te 4 hāora. Ka whakaritea tētahi atu rōpū o ngā parapara kāore he CNT e tāpirihia ana, ā, he rite tonu ngā rauemi kē atu. Kātahi ka whakawhitia te parapara marara kua riro mai ki tētahi tāke whāngai whakamaroke rehu, ā, ka mahia te whakamaroke rehu i roto i tētahi hauātea e tiakina ana e te hauota, me te pāmahana tomo me te putanga he 180 me te 90 °C. Kātahi ka whakaritea ngā momo paninga waro e rua, te paninga āhua totoka me te paninga āhua wai. Ko te tikanga paninga āhua totoka ko: ka konatunatua te paura rehu-maroke ki te 20% paura uku (i hangaia ki Korea, ko te D50 he 5 μm), ka konatunatua ki roto i tētahi mīhini whakaranu mō te 10 meneti, ā, ko te tere whakaranu he 2000 r/min hei whiwhi i te paura kua pania mua. Ko te tikanga paninga āhua wai ko: ka tāpirihia te paura rehu-maroke ki tētahi otinga xylene (i hangaia ki Tianjin, taumata tātari) kei roto ko te 20% uku kua rewa i roto i te paura i te ihirangi totoka o te 55%, ā, ka whakaohokia kia ōrite te korehau. Tunua ki roto i te oumu korehau i te 85℃ mō te 4 hāora, ka maka ki roto i te mīhini whakaranu hei whakaranu, ko te tere whakaranu he 2000 r/min, ā, ko te wā whakaranu he 10 meneti hei whiwhi i te paura kua pania. Hei whakamutunga, ka whakawerahia te paura kua pania ki roto i te oumu hurihuri i raro i te hauota hauota i te tere whakamahana o te 5°C/min. I puritia tuatahitia ki te pāmahana pumau o te 550°C mō te 2 hāora, kātahi ka whakamahana tonu ki te 800°C me te pupuri i te pāmahana pumau mō te 2 hāora, kātahi ka whakamataohia kia raro iho i te 100°C ka tukuna kia whiwhi i te rauemi hiato silicon-waro.
1.2 Ngā tikanga whakaahuatanga
I tātarihia te tohatoha rahi matūriki o te rauemi mā te whakamahi i tētahi taputapu whakamātautau rahi matūriki (putanga Mastersizer 2000, i hangaia ki te UK). I whakamatautauria ngā paura i whiwhihia i ia taahiraa mā te karu hiko matawai (Regulus8220, i hangaia ki Hapani) hei tirotiro i te āhua me te rahi o ngā paura. I tātarihia te hanganga āhua o te rauemi mā te whakamahi i tētahi taputapu tātari diffraction paura X-ray (D8 ADVANCE, i hangaia ki Tiamana), ā, i tātarihia te hanganga huānga o te rauemi mā te whakamahi i tētahi taputapu tātari spectrum pūngao. I whakamahia te rauemi hiato silicon-waro i whiwhihia hei hanga i tētahi haurua-pūtau pātene o te tauira CR2032, ā, ko te ōwehenga papatipu o te silicon-waro: SP: CNT: CMC: SBR he 92:2:2:1.5:2.5. He rau konukōre te irahiko ā-whakawaea, he irahiko arumoni te irahiko (tauira 1901, i hangaia ki Korea), e whakamahia ana te diaphragm Celgard 2320, ko te awhe ngaohiko utu me te tukunga he 0.005-1.5 V, ko te iahiko utu me te tukunga he 0.1 C (1C = 1A), ā, ko te iahiko tapahi tukunga he 0.05 C.
Hei tirotiro anō i te mahi a ngā rauemi hiato silicon-waro, i hangaia te pākahiko iti ngohengohe kua whakakikoruatia 408595. Ko te irahiko pai e whakamahi ana i te NCM811 (i hangaia ki Hunan, te taumata pākahiko), ā, ko te karāpiti irahiko kino kua tāpirihia ki te 8% rauemi silicon-waro. Ko te tātai para irahiko pai ko te 96% NCM811, 1.2% polyvinylidene fluoride (PVDF), 2% kaiārahi SP, 0.8% CNT, ā, ka whakamahia te NMP hei whakamarara; ko te tātai para irahiko kino ko te 96% rauemi irahiko kino hiato, 1.3% CMC, 1.5% SBR 1.2% CNT, ā, ka whakamahia te wai hei whakamarara. Whai muri i te whakaoho, te paninga, te hurihuri, te tapahi, te whakakikorua, te whakarewa ripa, te takai, te tunu, te werohanga wai, te hanganga me te wehewehe kaha, i whakaritea he pākahiko iti ngohengohe kua whakakikoruatia 408595 me te kaha whakatauranga o te 3 Ah. I whakamatautauria te tere o te mahi o te 0.2C, 0.5C, 1C, 2C me te 3C me te huringa o te utunga 0.5C me te tukunga 1C. Ko te awhe ngaohiko utu me te tukunga he 2.8-4.2 V, he iahiko pumau me te utunga ngaohiko pumau, ā, ko te iahiko tapahi he 0.5C.
2 Ngā Hua me te Kōrero
I tirohia te paura silicon tuatahi mā te karu hiko matawai (SEM). He kirikiri koretake te paura silicon, he iti iho i te 2μm te rahi o te matūriki, e whakaaturia ana i te Pikitia 1(a). I muri i te mira pōro, i tino heke te rahi o te paura silicon ki te 100 nm pea [Pikitia 1(b)]. I whakaatuhia e te whakamātautau rahi matūriki ko te D50 o te paura silicon i muri i te mira pōro he 110 nm, ā, ko te D90 he 175 nm. Mā te tirotiro tupato i te āhua o te paura silicon i muri i te mira pōro ka kitea he hanganga papatahi (ka manatokohia anō te hanganga o te hanganga papatahi mai i te SEM whakawhiti-wāhanga i muri mai). Nō reira, ko ngā raraunga D90 i whiwhi mai i te whakamātautau rahi matūriki me rite ki te roa o te nanosheet. I te whakakotahitanga me ngā hua SEM, ka taea te whakatau he iti ake te rahi o te nanosheet i whiwhihia i te uara matua o te 150 nm o te pakaru o te paura silicon i te wā e utu ana, e tukuna ana i te iti rawa i te kotahi te rahi. Ko te hanganga o te āhua papatahi te take nui o te rerekētanga o ngā kaha wehewehe o ngā papa tioata o te silicon tioata, ā, i roto i ēnei, he iti ake te kaha wehewehe o te papa {111} o te silicon i ngā papa tioata {100} me {110}. Nō reira, he ngāwari ake te whakaangawari i tēnei papa tioata mā te mira pōro, ā, i te mutunga ka hangaia he hanganga papatahi. He pai te hanganga papatahi mō te kohikohinga o ngā hanganga koretake, ka rāhuitia he wāhi mō te whakawhānui i te rōrahi o te silicon, ā, ka whakapai ake i te pumau o te rauemi.
I rehuhia te paru kei roto ko te nano-silicon, CNT me te karāpiti, ā, i tirotirohia te paura i mua atu, i muri mai hoki i te rehu mā te SEM. Kei te Pikitia 2 ngā hua. Ko te matihiko karāpiti i tāpirihia i mua i te rehu he hanganga papatahi noa iho, he rahi mai i te 5 ki te 20 μm [Pikitia 2(a)]. E whakaatu ana te whakamātautau tohatoha rahi matūriki o te karāpiti ko te D50 he 15μm. Ko te paura i whiwhi i muri i te rehu he āhua porowhita [Pikitia 2(b)], ā, ka kitea kua pania te karāpiti e te paparanga paninga i muri i te rehu. Ko te D50 o te paura i muri i te rehu he 26.2 μm. I kitea ngā āhuatanga āhua o ngā matūriki tuarua mā te SEM, e whakaatu ana i ngā āhuatanga o te hanganga porowhita korekore i kohia e ngā rauemi nano [Pikitia 2(c)]. Ko te hanganga porowhita he mea tito mai i ngā nanosheet silicon me ngā CNT e honoa ana tetahi ki tetahi [Pikitia 2(d)], ā, ko te horahanga mata motuhake whakamātautau (BET) he teitei ki te 53.3 m2/g. Nō reira, i muri i te rehu, ka huihui ngā nanosheet silicon me ngā CNT ki a rātou anō hei hanga i tētahi hanganga porowhita.
I tukinotia te paparanga porous ki te paninga waro wai, ā, i muri i te tāpiri i te pitch mua o te paninga waro me te whakawaro, i mahia te tirotiro SEM. Kei te Pikitia 3 ngā hua. I muri i te paninga waro-mua, ka maeneene te mata o ngā matūriki tuarua, me te paparanga paninga mārama, ā, kua oti te paninga, e whakaaturia ana i ngā Pikitia 3(a) me (b). I muri i te whakawaro, ka mau tonu te āhua paninga pai o te paparanga paninga mata [Pikitia 3(c)]. Hei tāpiri, e whakaatu ana te ahua SEM whakawhiti-wāhanga i ngā matūriki nano āhua-rīpene [Pikitia 3(d)], e rite ana ki ngā āhuatanga āhua o ngā nanosheets, e whakamana ana i te hanganga o ngā nanosheets silicon i muri i te mira pōro. Hei tāpiri, e whakaatu ana te Pikitia 3(d) he whakakī kei waenganui i ētahi nanosheets. Ko te nuinga o tēnei nā te whakamahinga o te tikanga paninga wāhanga wai. Ka uru te otinga uku ki roto i te rauemi, kia whiwhi ai te mata o ngā nanosheets silicon o roto i te paparanga tiaki paninga waro. Nō reira, mā te whakamahi i te paninga wāhanga wai, hei tāpiri atu ki te whiwhi i te pānga paninga matūriki tuarua, ka taea hoki te whiwhi i te pānga paninga waro takirua o te paninga matūriki tuatahi. I whakamātauria te paura waro mā te BET, ā, ko te hua o te whakamātautau he 22.3 m2/g.
I tukuna te paura waro ki te tātaritanga whānuitanga pūngao whakawhiti-wāhanga (EDS), ā, e whakaaturia ana ngā hua i te Pikitia 4(a). Ko te matua rahi-maikorona he wāhanga C, e rite ana ki te matrix graphite, ā, kei roto i te paninga o waho te silicon me te hāora. Hei tirotiro atu i te hanganga o te silicon, i mahia he whakamātautau X-ray diffraction (XRD), ā, e whakaaturia ana ngā hua i te Pikitia 4(b). Ko te nuinga o te rauemi he mea hanga ki te graphite me te silicon kotahi-kiriata, kāore he āhuatanga o te silicon oxide e kitea ana, e tohu ana ko te wāhanga hāora o te whakamātautau whānuitanga pūngao i ahu mai i te waikura taiao o te mata silicon. Ko te rauemi hiato silicon-waro kua tuhia hei S1.
I tukuna te rauemi silicon-waro S1 kua whakaritea ki ngā whakamātautau whakaputa haurua-pūtau momo-pātene me te whakamātautau tuku-utu. Kei te Pikitia 5 te pihi tuku-utu tuatahi. Ko te kaha motuhake whakahurihuri ko te 1000.8 mAh/g, ā, ko te pai o te huringa tuatahi he teitei ki te 93.9%, he teitei ake i te pai o te tuatahi o te nuinga o ngā rauemi e hangai ana ki te silicon me te kore he whakatō-mua i roto i ngā tuhinga. Ko te pai teitei o te tuatahi e tohu ana he teitei te pumau o te rauemi hiato silicon-waro kua whakaritea. Hei manatoko i ngā pānga o te hanganga pūwero, te whatunga kawe me te paninga waro ki te pumau o ngā rauemi silicon-waro, e rua ngā momo rauemi silicon-waro i whakaritea me te kore he tāpiri CNT me te kore he paninga waro tuatahi.
Ko te āhua o te paura waro o te rauemi hiato silicon-waro me te kore e tāpiri CNT e whakaaturia ana i te Pikitia 6. Whai muri i te paninga āhua wai me te whakawaro, ka kitea mārama he paparanga paninga i runga i te mata o ngā matūriki tuarua i te Pikitia 6(a). Ko te SEM whakawhiti-wāhanga o te rauemi waro e whakaaturia ana i te Pikitia 6(b). He āhuatanga porous te whakarārangi o ngā nanosheets silicon, ā, ko te whakamātautau BET he 16.6 m2/g. Heoi, ki te whakaritea ki te take me te CNT [e whakaaturia ana i te Pikitia 3(d), ko te whakamātautau BET o tana paura waro he 22.3 m2/g], he teitei ake te mātotoru whakarārangi nano-silicon o roto, e tohu ana ka taea e te tāpiri o te CNT te whakatairanga i te hanganga o te hanganga porous. Hei tāpiri, kāore he whatunga kawe-toru-ahu o te rauemi i hangaia e te CNT. Ka tuhia te rauemi hiato silicon-waro hei S2.
Ko ngā āhuatanga āhua o te rauemi hiato silicon-waro i whakaritea mā te paninga waro totoka-wāhanga e whakaaturia ana i te Pikitia 7. Whai muri i te whakawarotanga, he paparanga paninga mārama kei runga i te mata, e whakaaturia ana i te Pikitia 7(a). E whakaatu ana te Pikitia 7(b) kei reira ngā matūriki nano āhua-rīpene i roto i te wāhanga whakawhiti, e rite ana ki ngā āhuatanga āhua o ngā nanopepa. Ko te kohikohinga o ngā nanopepa ka hanga he hanganga porous. Kāore he whakakī mārama kei runga i te mata o ngā nanopepa o roto, e tohu ana ko te paninga waro totoka-wāhanga ka hanga noa i te paparanga paninga waro me te hanganga porous, ā, kāore he paparanga paninga o roto mō ngā nanopepa silicon. Ko tēnei rauemi hiato silicon-waro kua tuhia hei S3.
I whakahaerehia te whakamātautau utu me te tukunga haurua-pūtau momo-pātene ki runga i a S2 me S3. Ko te kaha motuhake me te whai huatanga tuatahi o S2 he 1120.2 mAh/g me te 84.8%, ia, ā, ko te kaha motuhake me te whai huatanga tuatahi o S3 he 882.5 mAh/g me te 82.9%, ia. Ko te kaha motuhake me te whai huatanga tuatahi o te tauira S3 pania-wāhanga totoka te mea iti rawa, e tohu ana ko te paninga waro anake o te hanganga porous i mahia, ā, kāore i mahia te paninga waro o ngā nanosheets silicon ā-roto, kāore i taea te tuku katoa i te kaha motuhake o te rauemi e hangai ana ki te silicon, ā, kāore hoki i taea te tiaki i te mata o te rauemi e hangai ana ki te silicon. Ko te whai huatanga tuatahi o te tauira S2 kāore he CNT he iti iho i te rauemi hiato silicon-waro kei roto ko te CNT, e tohu ana i runga i te paparanga paninga pai, ko te whatunga kawe me te taumata teitei ake o te hanganga porous e whai hua ana ki te whakapai ake i te whai huatanga utu me te tukunga o te rauemi silicon-waro.
I whakamahia te rauemi waro-hauora S1 hei hanga i tētahi pākahiko iti kua whakakiia ki te kete ngohengohe hei tirotiro i te mahi tere me te mahi huringa. Kei te Pikitia 8(a) te ānau tere tukunga. Ko ngā kaha tukunga o te 0.2C, 0.5C, 1C, 2C me te 3C he 2.970, 2.999, 2.920, 2.176 me te 1.021 Ah, ia. Ko te tere tukunga 1C he teitei ki te 98.3%, engari ka heke te tere tukunga 2C ki te 73.3%, ā, ka heke tonu te tere tukunga 3C ki te 34.4%. Hei whakauru atu ki te rōpū whakawhiti hiko kino-hauora, tāpirihia a WeChat: shimobang. Mō te tere utu, ko ngā kaha utu 0.2C, 0.5C, 1C, 2C me te 3C he 3.186, 3.182, 3.081, 2.686 me te 2.289 Ah, ia. Ko te tere utu 1C he 96.7%, ā, kei te eke tonu te tere utu 2C ki te 84.3%. Heoi, mā te tirotiro i te pihi utu i te Pikitia 8(b), he nui ake te tūāpapa utu 2C i te tūāpapa utu 1C, ā, ko tōna kaha utu ngaohiko pumau te nuinga (55%), e tohu ana kua tino nui te porowhita o te pākahiko utu 2C. He pai te mahi utu me te tuku o te rauemi silicon-waro i te 1C, engari me whakapai ake ngā āhuatanga hanganga o te rauemi kia eke ki te mahi tere teitei ake. E ai ki te Pikitia 9, i muri i te 450 huringa, ko te tere pupuri kaha he 78%, e whakaatu ana i te mahi huringa pai.
I tirotirohia te āhua o te mata o te hikohiko i mua me muri i te huringa mā te SEM, ā, e whakaaturia ana ngā hua i te Pikitia 10. I mua i te huringa, he mārama te mata o ngā rauemi graphite me te silicon-waro [Pikitia 10(a)]; i muri i te huringa, ka puta he paparanga paninga ki runga i te mata [Pikitia 10(b)], he kiriata SEI matotoru. Te taratara o te kiriata SEI He nui te whakamahinga o te lithium hohe, kāore e pai mō te mahi o te huringa. Nō reira, mā te whakatairanga i te hanganga o te kiriata SEI maeneene (pēnei i te hanganga kiriata SEI horihori, te tāpiri i ngā tāpiringa electrolyte e tika ana, me ētahi atu) ka taea te whakapai ake i te mahi o te huringa. Ko te mātakitakitanga SEM whakawhiti-wāhanga o ngā matūriki silicon-waro i muri i te huringa [Pikitia 10(c)] e whakaatu ana kua matotoru ake ngā matūriki nano silicon āhua-rīpene taketake, ā, kua whakakorea te hanganga porous. Ko te nuinga o tēnei nā te whānui haere tonu o te rōrahi me te whakahekenga o te rauemi silicon-waro i te huringa. Nō reira, me whakapakari ake te hanganga porous kia nui ai te wāhi ārai mō te whānui haere o te rōrahi o te rauemi e hangai ana ki te silicon.
3 Whakamutunga
I runga i te whānui o te rōrahi, te kawe hiko ngoikore me te pumau o te atanga ngoikore o ngā rauemi hiko kino e hangai ana ki te silicon, ka whakapai ake tēnei pepa i ngā whakapainga kua whakaritea, mai i te āhua o ngā nanosheets silicon, te hanganga pūwero, te hanganga whatunga kawe hiko me te paninga waro katoa o ngā matūriki tuarua katoa, hei whakapai ake i te pumau o ngā rauemi hiko kino e hangai ana ki te silicon katoa. Ka taea e te kohikohinga o ngā nanosheets silicon te hanga i tētahi hanganga pūwero. Mā te whakaurunga o te CNT ka whakatairanga ake i te hanganga pūwero. Ko te rauemi hiato silicon-waro i whakaritea mā te paninga wāhanga wai he pānga paninga waro rua i tērā i whakaritea mā te paninga wāhanga totoka, ā, he nui ake te kaha motuhake me te whai huatanga tuatahi. Hei tāpiri, ko te whai huatanga tuatahi o te rauemi hiato silicon-waro kei roto te CNT he teitei ake i tērā kāore he CNT, ko te nuinga o te take he nui ake te kaha o te hanganga pūwero ki te whakaiti i te whānui o te rōrahi o ngā rauemi e hangai ana ki te silicon. Mā te whakaurunga o te CNT ka hanga he whatunga kawe hiko toru-ahu, ka whakapai ake i te kawe hiko o ngā rauemi e hangai ana ki te silicon, ā, ka whakaatu i te mahi tere pai i te 1C; ā, ka whakaatu te rauemi i te mahi huringa pai. Heoi anō, me whakapakari ake te hanganga pūwero o te rauemi kia nui ai te wāhi ārai mō te whakawhanuitanga o te rōrahi o te silicon, me te whakatairanga i te hanganga o te maeneene.me te kiriata SEI mātotoru hei whakapai ake i te mahi huringa o te rauemi hiato silicon-waro.
Ka tukuna hoki e mātou ngā hua karāpeti me te karāpeti silicon parakore-teitei, e whakamahia whānuitia ana i roto i te tukatuka wafer pēnei i te waikura, te horapa, me te whakamahana.
Nau mai haere mai ki te toro mai ki a mātou mō ētahi atu kōrerorero, mai i ngā kiritaki katoa o te ao!
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Wā tuku: Whiringa-ā-rangi 13-2024