Ngophuhliso oluqhubekayo lwehlabathi lanamhlanje, amandla angahlaziyekiyo aya ephelelwa ngamandla, kwaye uluntu luya lungxamiseka ngakumbi ukuba lusebenzise amandla ahlaziyekayo amelwe “ngumoya, ukukhanya, amanzi nenyukliya”. Xa kuthelekiswa neminye imithombo yamandla ahlaziyekayo, abantu banobuchwephesha obukhulileyo, obukhuselekileyo nobuthembekileyo bokusebenzisa amandla elanga. Phakathi kwabo, imboni yeseli ye-photovoltaic ene-silicon ephezulu ecocekileyo njengoko i-substrate iphuhliswe ngokukhawuleza okukhulu. Ekupheleni kuka-2023, ilizwe lam eyongezelekayo yelanga photovoltaic efakelweyo umthamo idlule gigawatts 250, kunye photovoltaic amandla okuvelisa ifikelele 266.3 billion kWh, ukwanda malunga 30% unyaka nonyaka, kunye nombane esanda kongezwa umthamo 78.42 yezigidi. iikilowatts, ukunyuka nge-154% unyaka nonyaka. Ukusukela ekupheleni kukaJuni, umthamo ofakelweyo wokuvelisa amandla e-photovoltaic ube malunga ne-470 yezigidi zeekilowathi, othe wagqitha umbane owenziwe ngamanzi ukuze ube ngowona mthombo wamandla wesibini ngobukhulu kwilizwe lam.
Nangona imboni ye-photovoltaic ikhula ngokukhawuleza, imboni yezixhobo ezintsha ezixhasayo nayo ikhula ngokukhawuleza. amacandelo Quartz ezifanaiibhola zequartz, iinqanawa ze-quartz, kunye neebhotile ze-quartz ziphakathi kwazo, zidlala indima ebalulekileyo kwinkqubo yokuvelisa i-photovoltaic. Ngokomzekelo, i-quartz crucibles isetyenziselwa ukubamba i-silicon etyhidiweyo ekuveliseni iintonga ze-silicon kunye ne-silicon ingots; izikebhe ze-quartz, iibhubhu, iibhotile, iitanki zokucoca, njl. njl. zidlala umsebenzi wokuthwala kwi-diffusion, ukucoca kunye nezinye izixhumanisi zenkqubo ekuveliseni iiseli zelanga, njl., Ukuqinisekisa ukucoceka kunye nomgangatho wezinto ze-silicon.
Izicelo eziphambili zamacandelo e-quartz kwimveliso ye-photovoltaic
Kwinkqubo yokwenziwa kweeseli zesolar photovoltaic, ii-silicon wafers zibekwe kwisikhephe esisicaba, kwaye isikhephe sibekwe kwi-wafer boat support for diffusion, LPCVD kunye nezinye iinkqubo ezishushu, ngelixa i-silicon carbide cantilever paddle yeyona nto iphambili yokulayisha icandelo lokuhamba. Inkxaso yesikhephe ethwele amaqhekeza e-silicon ukungena nokuphuma kwiziko lokufudumeza. Njengoko kubonisiwe kumzobo ongezantsi, i-silicon carbide cantilever paddle inokuqinisekisa ukugxila kwe-silicon wafer kunye netyhubhu yesithando somlilo, ngaloo ndlela yenza ukusasazwa kunye nokugqithisa kufana ngakumbi. Kwangaxeshanye, akunangcoliseko kwaye akunasiphako kumaqondo obushushu aphezulu, inokumelana nokuxhathisa kwe-thermal kunye nomthamo omkhulu womthwalo, kwaye isetyenziswe ngokubanzi kwintsimi yeeseli ze-photovoltaic.
Idayagram ecwangcisiweyo yezinto eziphambili zokulayisha ibhetri
Kwinkqubo yokusabalalisa okuthambileyo, isikhephe se-quartz yendabuko kunyeisikhephe esisicabaInkxaso kufuneka ibeke i-silicon wafer kunye nenkxaso yesikhephe sequartz kwityhubhu yequartz kwidiffusion furnace. Kwinkqubo nganye yokusasaza, inkxaso yesikhephe sequartz ezaliswe ngamaqhekeza e-silicon ibekwe kwi-silicon carbide paddle. Emva kokuba i-silicon carbide paddle ingene kwityhubhu yequartz, i-paddle izike ngokuzenzekelayo ukuze ibeke phantsi inkxaso yesikhephe se-quartz kunye ne-silicon wafer, emva koko ibaleke kancinane ibuyele kwimvelaphi. Emva kwenkqubo nganye, inkxaso yenqanawa ye-quartz kufuneka isuswe kwiibheyili ye-silicon carbide. Ukusebenza rhoqo okunjalo kuya kubangela ukuba inkxaso yesikhephe se-quartz iguge ixesha elide. Nje ukuba isikhephe sequartz sixhase ukuqhekeka kunye nokuqhekeka, yonke inkxaso yesikhephe sequartz iya kuwa kwi-silicon carbide paddle, kwaye emva koko yonakalise iindawo zequartz, ii-silicon wafers kunye nesilicon carbide paddles ngezantsi. I-silicon carbide paddle iyabiza kwaye ayikwazi ukulungiswa. Nje ukuba kwenzeke ingozi, iya kubangela ilahleko enkulu yepropathi.
Kwinkqubo ye-LPCVD, ayizukwenzeka kuphela ezi ngxaki zikhankanywe ngasentla zoxinzelelo lwe-thermal, kodwa ekubeni inkqubo ye-LPCVD ifuna igesi ye-silane ukuba idlule kwi-silicon wafer, inkqubo yexesha elide iyakwenza i-silicone yokwaleka kwinkxaso yesikhephe esisicaba kunye isikhephe esisicaba. Ngenxa yokungahambelani kwee-coefficients zokwandiswa kwe-thermal ye-silicon edibeneyo kunye ne-quartz, ukuxhaswa kweenqanawa kunye nesikhephe kuya kuqhekeka, kwaye ubude bobomi buya kuncitshiswa kakhulu. Ubomi bezikhephe zequartz eziqhelekileyo kunye nezixhaso zesikhephe kwinkqubo ye-LPCVD idla ngokuba ziinyanga ezi-2 ukuya kwezi-3 kuphela. Ngoko ke, kubaluleke kakhulu ukuphucula izixhobo zokuxhasa isikhephe ukunyusa amandla kunye nobomi benkonzo yenkxaso yesikhephe ukuphepha iingozi ezinjalo.
Ngamafutshane, njengoko ixesha lenkqubo kunye nenani lamaxesha linyuka ngexesha lokuveliswa kweeseli zelanga, izikebhe ze-quartz kunye namanye amacandelo axhomekeke kwiingqungquthela ezifihliweyo okanye ukuphuka. Ubomi beenqanawa ze-quartz kunye neetyhubhu ze-quartz kwimizila yemveliso eqhelekileyo yangoku e-China malunga neenyanga ezi-3-6, kwaye kufuneka zivaliwe rhoqo ukucoca, ukugcinwa, kunye nokutshintshwa kwabathwali be-quartz. Ngaphezu koko, isanti ye-quartz ephezulu ecocekileyo esetyenziswa njengezinto eziluhlaza kumacandelo e-quartz okwangoku ikwimeko yokubonelela kunye nemfuno eqinile, kwaye ixabiso liqhubela phambili kwizinga eliphezulu ixesha elide, elingenakuncedo ekuphuculeni imveliso. ukusebenza kakuhle kunye neenzuzo zoqoqosho.
Iiseramics ze-silicon carbide"Vela"
Ngoku, abantu beze nemathiriyeli enentsebenzo engcono yokutshintsha ezinye izinto ze-quartz-silicon carbide ceramics.
Iiseramics ze-silicon carbide zinamandla afanelekileyo omatshini, ukuzinza kwe-thermal, ukumelana nobushushu obuphezulu, ukuxhathisa i-oxidation, ukuxhathisa ukutshatyalaliswa kwe-thermal kunye nokumelana nokubola kweekhemikhali, kwaye zisetyenziswa ngokubanzi kwiindawo ezishushu ezifana nesinyithi, oomatshini, amandla amatsha, kunye nezixhobo zokwakha kunye neekhemikhali. Ukusebenza kwayo kukwanela ukusasazwa kweeseli ze-TOPcon kwimveliso ye-photovoltaic, i-LPCVD (i-low pressure chemical vapor deposition), i-PECVD (i-plasma chemical vapor deposition) kunye nezinye izixhumanisi zenkqubo ye-thermal.
I-LPCVD ye-silicon carbide yenkxaso yesikhephe kunye ne-boron-eyandisiweyo ye-silicon carbide yokuxhasa isikhephe
Xa kuthelekiswa nezinto zequartz zemveli, izixhaso zesikhephe, izikhephe, kunye neemveliso zetyhubhu ezenziwe ngesilicon carbide izinto zeceramic zinamandla aphezulu, uzinzo olungcono lwe-thermal, akukho deformation kumaqondo obushushu aphezulu, kunye nobomi obungaphezulu kwe-5 yemathiriyeli yequartz, enokubaluleka kakhulu. ukunciphisa iindleko zokusetyenziswa kunye nokulahlekelwa kwamandla okubangelwa ukulungiswa kunye nexesha lokunciphisa. Inzuzo yeendleko icacile, kwaye umthombo wezinto ezibonakalayo ubanzi.
Phakathi kwazo, i-react sintered silicon carbide (RBSiC) inobushushu obuphantsi bokuntywila, ixabiso eliphantsi lemveliso, uxinaniso lwemathiriyeli ephezulu, kwaye phantse akukho kuncipha kwevolumu ngexesha lokusabela. Ngokukodwa ifanelekile ukulungiselela ubungakanani obukhulu kunye nobukhulu obunobume obuyinkimbinkimbi. Ngako oko, iyona nto ifanelekileyo kwimveliso yeemveliso ezinkulu kunye neziyinkimbinkimbi ezifana nezixhaso zeenqanawa, iinqanawa, iipaddles ze-cantilever, iibhubhu zomlilo, njl.
Izikhephe zeSilicon carbidekananjalo banethemba elikhulu lophuhliso kwixesha elizayo. Kungakhathaliseki ukuba inkqubo ye-LPCVD okanye inkqubo yokwandiswa kwe-boron, ubomi bomkhumbi we-quartz buncinci, kwaye i-coefficient yokwandisa i-thermal yezinto ze-quartz ayihambelani ne-silicon carbide. Ke ngoko, kulula ukuba nenxaso kwinkqubo yokuhambelana ne-silicon carbide boat holder kwiqondo lobushushu eliphezulu, nto leyo ekhokelela kwimeko yokugungqa isikhephe okanye ukwaphula isikhephe. Isikhephe se-silicon carbide samkela indlela yenkqubo yokubumba into enye kunye nokusebenza ngokubanzi. Ubume bayo kunye neemfuno zokunyamezelana kwesikhundla ziphezulu, kwaye isebenzisana ngcono ne-silicon carbide boat holder. Ukongeza, i-silicon carbide inamandla aphezulu, kwaye isikhephe asinakukwazi ukwaphuka ngenxa yokungqubana kwabantu kunesikhephe sequartz.
Isikhephe seSilicon carbide
I-tube yomlilo iyona nto iphambili yokudlulisa ukushisa kwesithando somlilo, edlala indima ekutywinweni nasekudlulisweni kobushushu obufanayo. Xa kuthelekiswa neetyhubhu zesithando se-quartz, i-silicon carbide furnace tubes ine-conductivity efanelekileyo ye-thermal, ukufudumeza okufanayo, kunye nokuzinza okuhle kwe-thermal, kwaye ubomi babo bungaphezu kwamaxesha e-5 ye-quartz tubes.
Isishwankathelo
Ngokubanzi, nokuba ngokwemiqathango yokusebenza kwemveliso okanye iindleko zokusetyenziswa, izixhobo ze-silicon carbide ceramic zineenzuzo ezininzi kunezixhobo ze-quartz kwiinkalo ezithile zentsimi yeseli yelanga. Ukusetyenziswa kwezixhobo ze-silicon carbide ceramic kwishishini le-photovoltaic liye lanceda kakhulu iinkampani ze-photovoltaic ukunciphisa iindleko zotyalo-mali lwezinto ezincedisayo kunye nokuphucula umgangatho wemveliso kunye nokukhuphisana. Kwixesha elizayo, ngokusetyenziswa kobungakanani obukhulu beetyhubhu ze-silicon carbide furnace, iibhoti ze-silicon carbide ezicocekileyo kunye nezixhaso zeenqanawa kunye nokuncipha okuqhubekayo kweendleko, ukusetyenziswa kwe-silicon carbide imathiriyeli ye-ceramic kwintsimi yeeseli ze-photovoltaic iya kuba. into ephambili ekuphuculeni ukusebenza kakuhle kokuguqulwa kwamandla okukhanya kunye nokunciphisa iindleko zoshishino kwintsimi yokuvelisa amandla e-photovoltaic, kwaye iya kuba nefuthe elibalulekileyo ekuphuhliseni i-photovoltaic. amandla amatsha.
Ixesha lokuposa: Nov-05-2024