I-1. I-Polysililicon Shink Canki: Inkqubo yemveliso inzima, kwaye i-Dowystream igxile kwifotovondlaic semicondtaic
I-Polysilicicon iveliswa ikakhulu kwiShishini le-Shicicon, i-chlorine kunye ne-hydrogen, kwaye ifumaneka phezulu kwefotovoltaic kunye ne-semicondcuctor. Ngokwedatha ye-CPIA, i-Polyspreiliam Polysilicon Imveliso yeMveliso yeLiemied, ngaphandle kwe-ChieMens, ngaphandle kwe-China, ngaphezu kwe-95% ye-Polysilicicon iveliswa ngendlela ye-pulsilicicon. Kwinkqubo yokulungiselela i-polysililicon yindlela ephuculweyo ye-Nokia, okokuqala, irhasi ye-hydrogen idityaniswa i-hydrogen ye-hydrogen yokutyumza kwaye incitshisiwe yirhasi ye-hydrogen ukuvelisa i-polysilicicicicon. I-Polycrystalline isilicon inokunyibilikiswa kwaye ipholile ukwenza i-polycrystalline ye-silicol, kwaye i-monocrystalline iveliswa yi-CZOCOBRALSKI okanye indawo yokunyibilika. Xa kuthelekiswa nePolycrystalline, i-Sericon enye ye-systal yenziwa yiCrystal Grains ngesifundo esifanayo sekristali, ngoko ke inobuchule bokuphumelela kombane kunye nokuguqula. Zombini i-polycrystalline ye-silicots kunye ne-monocrystalline rods zinokusikwa ngakumbi kwaye ziqwalaselwe kwiimodyuli ze-silicon kunye neeseli, ezisetyenziswa kwintsimi yefotovoltaic. Ukongeza, i-storicon ye-silicon ye-silicon ingasekwa kwi-wafs ze-silicon ngokugaya okuphindaphindiweyo, iPolingle, i-Epitaky, enokusetyenziswa njengezixhobo ze-semicondutor.
Umxholo ongathandekiyo wasePolysilicon uyimfuneko ngokungqongqo, kwaye ishishini lineempawu zotyalo-mali oluphezulu kunye nezithintelo eziphezulu zobugcisa. Ukusukela ukucoceka kwePolysilicon kuya kuyichaphazela kakhulu inkqubo ye-crystal yesilika yesilika, iimfuno zokucoceka zingqongqo kakhulu. Ubuncinci bokucoceka kwePolysilicon yi-99.999%, kwaye olona nqanaba uphakamileyo lusondele kwi-100%. Ukongeza, imigangatho yesizwe yase China ibeka phambili iimfuno ezicacileyo zomxholo we-can, i-Polysilicon yahlulwe yaba libanga i, i-phosphorus, ioksijini nekharbon yisalathiso esibalulekileyo sesalathiso. Iimeko zokufikelela kwimveliso yePolysilicon "icacisa ukuba amashishini ahlolisise intsingiselo yomgangatho kunye nenkqubo yolawulo, kunye nemigangatho yemveliso ngokungqongqo ngokungqinelana nemigangatho yesizwe; Ukongeza, iimeko zokufikelela zikwafuna ukuba isikali kunye nokusetyenziswa kwamandla ePolysiilicon kwimveliso ye-Polysilicon, i-polysililicon ye-Elerlililicon i-Tons / yonyaka kunye ne-1000, kwaye i-Polysilicon ye-1000, i-polsilicon yishishini elikhulu kakhulu. Ngokweenkcukacha-manani ze-CPII, iindleko zotyalo-mali eziyi-10,000 ze-Polysilicon I-Polysilicicon yeNdlela yokuFumaneka kwe-2021 inyuke kancinci ukuya kwi-103 yezigidi zeYuan / kT. Isizathu kukunyuka kwexabiso lezinto zentsimbi ye-bulk. Kulindelwe ukuba iindleko zotyalo mali kwixesha elizayo ziya kwandiswa ngenkqubela phambili yetekhnoloji yemveliso yezixhobo kunye ne-monomer yokwehla njengoko ubungakanani bonyuso. Ngokwemigaqo, ukusetyenziswa kwamandla kwi-Polysilicicicon ye-Solar-Ibanga leeCzobhracralskyisi kufuneka kungabi ngaphantsi kwe-60 kwh / kg / kg kunye ne-100 kh / kg ngokwahlukeneyo, kwaye iimfuno zezalathisi zokusebenzisa amandla zingqongqo. Imveliso yasePolysilicicon ibeka ilungu leshishini lekhemikhali. Inkqubo yemveliso inzima, kwaye umbundu weendlela zobugcisa, ukukhetha izixhobo, ukugunyazisa nokusebenza kuphezulu. Inkqubo yemveliso ibandakanya izinto ezininzi ezibandayo zekhemikhali, kwaye inani lemida yolawulo ingaphezulu kwe-1 000. Kunzima ukuba abangeneleli abatsha ngokukhawuleza bafumane i-craftsmanship. Ke ngoko, kukho imiqobo ephezulu kunye nezithintelo zobugcisa kwishishini lemveliso yasePolysilicon, ekhuthaza abavelisi bePolysiicon ukuba baphumeze ulungelelwaniso lobuchwephesha benkqubo yokuhamba kwenkqubo, ukupakisha kunye nenkqubo yokuhamba.
2. Uhlaziyo lwePolysilicon: Ukucoceka kumisela ukusetyenziswa, kwaye iBala yeBandla lihlala eyona nto iphambili
I-Polycrystalline, uhlobo lweSilicon yesilitha, iqulathe ingxolo yekristali kunye nezifundo ezahlukeneyo zekristali, kwaye ihlanjululwe ikakhulu ngokuqhubekeka kwesilwanyana saseSilicon. Ukubonakala kwePolysilicon yingwevu ye-metric, kwaye inqaku lokunyibilika limalunga ne-1410 ℃. Ayisebenzi kubushushu begumbi kwaye isebenza ngakumbi kwimo etyhidiweyo. I-Polysililicon inepropathi ye-semicondcuctor kwaye yeyona nto ibaluleke kakhulu neyona nto ibalulekileyo ye-semiconductor, kodwa into encinci yokungcola inokuchaphazela kakhulu ukuqhutywa kwayo. Zininzi iindlela zokuhlelwa kwePolysilicon. Ukongeza kokuhlelwa okukhankanywe apha ngasentla ngokwemigangatho ye-China, iindlela ezintathu ezibaluleke ngakumbi ezibaluleke kakhulu zaziswa apha. Ngokweemfuno ezizodwa zokucoceka nokusebenzisa, iPolysilicon inokwahlulwa ibe yi-Polysilicon ye-Polililicon kunye ne-polysilicicon yenqanaba le-elektroniki. I-polysililicon yesolar ye-solar isetyenziswa ikakhulu ekuvelisweni kweeseli ze-photvoltaic, ngelixa i-polysilicicon-e-polysilicicon isetyenziswa ngokubanzi kwishishini lesekethe elihlanganisiweyo njengezixhobo eziluhlaza kunye neminye imveliso. Ukucoceka kwebanga le-Polililicon yi-6 ~ 8n, oko kukuthi, umxholo wokuzingca ufuneka ukuba ungaphantsi kwe-10 -6, kwaye ukucoceka kwePolysilicon kufuneka kufikelele kwi-99.99% okanye ngaphezulu. Iimfuno zokucoceka kwe-elekliki ye-elektroniki Polsililicon zingqonge ngakumbi, ubuncinci be-9n kunye ne-12n ye-12n. Imveliso ye-polysilicicon ye-elektroniki inzima. Kukho amashishini ambalwa amaTshayina athe anayo itekhnoloji yemveliso ye-Eleclililicon ye-Eleclilicon, kwaye isesaxhomekeka kwimpahla yokungenisa elizweni. Okwangoku, ukukhutshwa kwe-Polysilicon ye-Solarsilifacicon kukhulu kune-polysilicicon ye-polysilicon ye-elektroniki, kwaye eyangaphambili imalunga ne-13.8 ka-138.
Ngokutsho komehluko wokungcola kunye nokuhamba ngohlobo lwezinto zeSilicon, oko kunokwahlulwa kuba luhlobo kunye nohlobo lwe-N. Xa i-silicon ityhilwe ngokuthi zezinto zokungcola, ezinjengeBoron, i-Aluminium, i-Gallium, njl.njl. Xa i-silicon ityhilwe ngezinto zokungena ezixhasayo, ezinjenge phosphorus, i-Arsenic, i-Antimony, njl. Njl. Iibhetri ze-P-Chwetheza ikakhulu zibandakanya ibhetri ye-BSF kunye neebhetri ze-Perc. Ngo-2021, iibhetri ze-Perc ziya kunika i-akhawunti engaphezulu kwe-91% yemakethi yehlabathi, kwaye ibhetri ye-BSF iya kupheliswa. Ngexesha lokuthatha indawo ye-BSF, ukusebenza ngokufezekileyo kweeseli zohlobo lwe-P-Chwetheza ukusuka kwi-20% ukuya kuthi ga kwi-23% yeepesenti, kunye ne-theoretic ephezulu ye-theoretical ye-theoretical kunye neqondo lokulinganisa i-NEIBE, iinkampani sele ziqalile I-veloy imigca yemveliso yobunzima yeebhetri ze-N Teech. According to CPIA's forecast, the proportion of N-type batteries will increase significantly from 3% to 13.4% in 2022. It is expected that in the next five years, the iteration of N-type battery to P-type battery will be ushered in. According to the different surface quality, it can be divided into dense material, cauliflower material and coral material. Umphezulu wezinto ezimbi zinenqanaba eliphantsi lezinto eziphantsi, zingaphantsi kwe-5mm, akukho phawu lungaqhelekanga, akukho mntu uxinazelekileyo, nexabiso eliphezulu; umphezulu wezinto ze-cauliflower inomgangatho ophakathi we-concavity, 5-20mm, eli candelo liphakathi, kwaye ixabiso liphakathi phakathi; Ngelixa umphezulu wezinto zekorale unezinto ezimbi kakhulu, ubunzulu bungaphezulu kwe-20mm, icandelo likhululekile, kwaye ixabiso liphantsi. Izinto ezimnyama zisetyenziswa ikakhulu ukuzoba i-monocrystalline, ngelixa izinto ze-cauliflowewer kunye nezinto ze-coral zisetyenziselwa ukwenza i-polycycry ye-polycystalline ye-polycystalline. Kwimveliso yemihla ngemihla yamashishini, izinto ezixineneyo zinokwenziwa ngaphandle kwe-30% yezinto ze-caulifloweers zokuvelisa i-monocrystalline. Ixabiso lezinto ezingafunekiyo zinokugcinwa, kodwa ukusetyenziswa kwezinto zecalifuloway kuya kunciphisa i-crystal idonsa ukusebenza kakuhle. Amashishini kufuneka akhethe umyinge ofanelekileyo wokuhambahamba emva kokulinganisa ezimbini. Kutshanje, umahluko wamaxabiso phakathi kwezinto ezimdaka kunye nezinto ze-cauliflower ziye zalungiswa kwi-3 RMB / kg. Ukuba umahluko wamaxabiso uqhawulele ngakumbi, iinkampani zinokuthatha ingqalelo ekuthandeni izinto ze-caulifloweres kwi-monocrystalline yokutsala.
3. Inkqubo: Indlela ye-Nokia ithatha indawo ephambili, kwaye ukusetyenziswa kwamandla kuba sisitshixo sotshintsho lwetekhnoloji
Inkqubo yemveliso yePolysililicon ihlulwe ngamanyathelo amabini. Kwinyathelo lokuqala, ipowder ye-selicon yemveliso iphinda iphendulwe nge-chanern hydrogen hydrogen ye-trichlorosila kunye ne-hydrogen. Emva kokuhlanjwa okuphindaphindiweyo kunye nokucoca, i-Tricholone ye-Grichlorosilane, eDichlodihydrosificon naseSilane; Inqanaba lesibini kukunciphisa igesi echazwe ngasentla ekhankanywe apha ngasentla kwi-Crystalline Silicon, kwaye inyathelo lokunciphisa lahlukile kwindlela ye-Nokia eguqulweyo kunye ne-SILAD DODORD. Indlela yokuphucula i-SEEMEPS inetekhnoloji yemveliso evuthiweyo kunye nomgangatho ophezulu wemveliso, kwaye okwangoku yeyona tekhnoloji yemveliso esetyenzisiweyo. Indlela yemveliso yesiqhelo kukusebenzisa i-chlorine kunye ne-hydrogen yokuqesha i-chichn ye-hloric ye-chichdunt, i-hydrogen pheride kunye ne-shydrogen finder kunye ne-pilon ye-ficlon kwaye yahlula-hlula, ilungelelanise kwaye icoce i-tripplosilane. Isilicon iphantsi kwendlela yokuncitshiswa kwe-shirman kwiziko lokuncitshiswa kwe-hydrogen ukufumana i-silicon yesilicis efakwe kwi-Silicon Core. Ngenxa yesi siseko, inkqubo yokuphucula i-SEEMEPS ikwaxhotyisiwe nenkqubo yokuxhasa ukuphinda iphinde isebenze ubungakanani beemveliso ezifana ne-hydrogen, i-hydrogen tetrachloride ivelise itekhnoloji yegesi. I-hydrogen, i-hydrogen chloride, i-trichlosilane, kunye ne-silicon tetrachloride kwigesi yokuphelisa yahlulwe ngokubuyela kwakhona. I-hydrogen kunye ne-hydrogen chloride inokusetyenziswa ngokutsha nge-synthesis kunye nokucocwa kwe-Trichlosilane, kwaye i-trichlosilane iphinde isetyenziselwe ukuncitshiswa kwe-thermal. Ukucocwa kwenziwa kwiziko, kwaye i-silicon Tetracheride i-hydrogeniden i-hydrogeniden ukuba ivelise i-Trichlorosilane, enokusetyenziselwa ukucocwa. Eli nyathelo likwabizwa ngokuba yi-Hydrogenye yonyango olubandayo. Ngokwenza uqonde ukuveliswa kwesekethe evaliweyo, amashishini anokunciphisa kakhulu ukusetyenziswa kwezinto ezingafunekiyo kunye nombane, ngaloo ndlela ukonga ngokufanelekileyo kwimveliso.
Ixabiso lokuvelisa iPolysilicicicon esebenzisa indlela ephuculweyo ye-Nhina e-China ibandakanya izinto ezingafunekiyo, ukusetyenziswa kwamandla, ukuhla kwexabiso letekhnoloji kwishishini liqhube kakhulu iindleko. Izinto eziluhlaza ikakhulu zibhekisa kwi-Shichn kunye neTrichlosilane, ukusetyenziswa kwamandla kubandakanya umbane kunye ne-steam, kunye neendleko zokulungisa zibhekisa kuhlolo kunye neendleko zokulungisa izixhobo zemveliso. Ngokutsho kwezibalo zikaBaicfuan Yingfuan kwiindleko zemveliso yasePolysiilicon kwi-2022 izixhobo ezinqabileyo zezona zinto ziphezulu zexabiso, i-accounting ye-41% ye-silicon yeyowona mthombo we-silicon. Ukusetyenziswa kweyunithi yaseSilicon ngokufuthi kusetyenziswa ishishini imele inani lesilika elityiwayo kwiyunithi nganye ye-silickon. Indlela yokubala kukuguqula zonke izinto ezisilika ezinjengemisi-mveliso yeSlicon kunye neTripplosila kwi-hlorosilane emsulwa, kwaye emva koko ikhuphe i-chlosilane emsulwa iguqulwe kumgangatho womxholo wesilicon. Ngokwedatha ye-CPIA, inqanaba le-silicon liye lehla nge-0.01 kg / kg / kg / kg / kg / kg / kg / kg / kg / kg ngo-2030. Kg-S. Ngokutsho kwezibalo ezingaphelelanga, ukusetyenziswa kwesilika kweenkampani ezintlanu eziphambili zaseTshayina kwishishini lePolysilicon lingaphantsi komndilili wecandelo. Kuyaziwa ukuba ezimbini zazo ziya kutya i-1.08 kg / kg-i-i-kg / kg / kg-i-akhawunti yexabiso le-32% iyonke, ebonisa ukuba ziyintoni na iindleko ze-32. Ezi zikhombisi zimbini zibalulekileyo zokulinganisa ukusebenza kakuhle kwamandla kukusebenzisa amandla ngokubanzi kunye nokucutha amandla okunciphisa. Ukusetyenziswa kwamandla okunciphisa kubhekisele kwinkqubo yokunciphisa i-Trichlosilane kunye ne-hydrogen ukuba ivelise izinto eziphezulu zeSilicon. Ukusetyenziswa kwamandla kubandakanya isilicon eguqukayo kunye nokufakwa. , ukugcinwa kobushushu, ukuphela komoya kunye nenye indlela yokusebenzisa amandla. Ngo-2021, ngenkqubela phambili yetekhnoloji kunye nokusetyenziswa ngokupheleleyo kwamandla, ukuselwa ngamandla ophakathi kwe-Polysilicicon kuya kuncipha ngo-5,3% unyaka wonke ukuya kwi-6.1% yonyaka ukuya kwi-46KWHH / kg-SI, kulindeleke ukuba inciphe ngakumbi kwixesha elizayo. . Ukongeza, ukuhla kwexabiso kuyinto ebalulekileyo yeendleko, i-accounting nge-17%. Kufanelekile ukuba uqaphele ukuba, ngokweedatha zeBaicuan Yingfu, iindleko zemveliso iyonke ye-Polysilicicon kwimarike yayingaphezulu kwe-70% ye-YUAN / i-GOD, kwaye itsalele i-Porlysilicicicon ye-Polysilicicon yokuvelisa imali.
Zimbini iindlela zokuvelisa iPolysilicon ukunciphisa iindleko, enye kukunciphisa iindleko zezinto ezikrwada, kwaye enye kukunciphisa ukusetyenziswa kwamandla. Ngokwezinto eziluhlaza, abavelisi banokunciphisa iindleko zezinto ezingafunekiyo ngokutyikitya izivumelwano zentsebenziswano zexesha elide kunye nabavelisi bemizi-mveliso kunye nabavelisi bemizi-mveliso, okanye ukwakha isikhundla esidibeneyo semveliso. Umzekelo, iPolysilicon ivelisa izityalo ngokusisiseko zixhomekeke kumzi wabo wezilwanyana. Ngokwendlela yokusetyenziswa kombane, abavelisi banokunciphisa iindleko zombane ngokusebenzisa amaxabiso ombane asezantsi kunye nophuculo olubanzi lwamandla. Malunga ne-70% yendlela yokusetyenziswa kombane ebanzi kukucutha ukusetyenziswa kombane, kwaye ukuncitshiswa kukwayikhonkco eliphambili ekuvelisweni kwe-silicolline ecocekileyo. Ke ngoko, uninzi lwamandla emveliso yasePolysilicon e-China igxilwe kwimimandla enamaxabiso ombane asezantsi anjenge-xinajiang, i-Inner Mongolia, Sichuan noYunnan. Nangona kunjalo, ngenkqubela phambili yomgaqo-nkqubo weekharbon ezimbini, kunzima ukufumana inani elikhulu lamandla aphantsi. Ke ngoko, ukunciphisa ukusetyenziswa kwamandla ukunciphisa kunciphiseke ngakumbi kwiindleko. Indlela. Okwangoku, indlela esebenzayo yokunciphisa ukusetyenziswa kwamandla ukunciphisa amandla kukwandisa inani le-silicon cores kwiziko lokuncitshiswa, ngaloo ndlela besenza iziphumo zeyunithi enye. Okwangoku, iindidi zezokuncitshiswa kwe-fiest Uhlobo lwesithando lweziko luphuculwe ngamatye amabini eentonga kunye nezibini ezingama-72 zentonga, kodwa kwangaxeshanye, ikwabeka phambili iimfuno eziphezulu zetekhnoloji yamashishini.
Xa kuthelekiswa nendlela ephuculweyo ye-Normens, indlela ye-SILAFE i-fluidled ineenzuzo ezintathu, enye isebenzisa i-cring ephakamileyo, enye yeyona nto ikhupha itekhnoloji ye-CCZ eqhubekayo eqhubekayo ye-CZOCHIRSKI eqhubekayo. Ngokwedatha yesebe leSilicon yesebe, ukusela amandla ngokubanzi kwendlela yokulala ye-SILAFE yi-33.33% yendlela ephuculweyo yeSomens, kunye nokusetyenziswa kwamandla kwi-10% yendlela yokuphuculwa kwe-nememensi. Indlela yebhedi ye-Silane ye-Sleiddimed ineengenelo ezibalulekileyo zokusebenzisa amandla. Ngokwe-crystal pulling, iipropathi zomzimba ze-silicon granular zinokwenza kube lula ukugcwalisa i-quartz imbeke kwi-crystal slicon yokutsala i-rod inking ikhonkco. I-Polycrystalline kunye ne-Silicon ye-Granulan inokunyusa isiko lesithando senkqongalala nge-29%, ngelixa kuncitshiswa ixesha lokutshaja ngama-41%, ukuphucula kakhulu ukutyhoboza kwe-crystal yesilika enye. Ukongeza, i-selicon ye-Granulan inobubanzi obuncinci kunye nolwelo olufanelekileyo, olulungele indlela eqhubekayo ye-CZOCOPRALK. Okwangoku, itekhnoloji ye-crystal ye-crystal ye-crystal embindini kwaye iphantsi ephantsi yindlela yokuphosa i-rcz i-scring ephindaphindiweyo, eyokutya kwaye ikhuphe i-crystal rod emva kwentonga ye-silicon yesilika itsaliwe. Umzobo wenziwa ngaxeshanye, ogcina ixesha lokupholisa le-crystal ye-crystal silicon, ke ukuvelisa impumelelo kuphezulu. Uphuhliso olukhawulezileyo lwe-CCZ uqhubeka ne-Czobhralokiski ye-Czobhralski iya kuqhuba imfuno yesilwanyana sasemdaka. Nangona i-selicon ye-Granular ineengxaki ezithile, ezinjenge-silicon powder eveliswe yi-fildions, indawo enkulu yomhlaba kunye ne-hydrogen yamashishini aphantsi komhlaba, kodwa kulula kakhulu kwi-hydrogen ye-granuon, kodwa ezi ngxaki ziphuculwe kwaye kwenziwe inkqubela phambili.
Inkqubo yebhedi ye-Silane ivuthiwe eYurophu naseMelika, kwaye kusekwe kubudala emva kokuqaliswa kwamashishini aseTshayina. Kwangoko, njengama-1980s, i-silicon ye-ratericon eyayimele i-Recker kunye ne-MMC yaqalisa ukuphonononga imveliso yesiliko yesiliko kwaye yafumana imveliso enkulu. Phakathi kwawo, i-Recker's Premment yemveliso yesilika ifikelele kwiitoni / ngonyaka / ngonyaka ngo-2010, kwaye ithelekiswa ne-SEEMEPSPORS PERPARSPRS PERPARSPARSPRSPRSPRS PERPARSPRSPRSPRSPRSPRSPRSPRSPRSPRSTARDS i-US $ 2-3 / kg. Ngenxa yeemfuno ze-crystal yokutsala enye, inkampani ye-silicon ye-Granulan yaza ekugqibeleni yayeka ukuveliswa, yaza yaguqukela kwi-China yokudibana neChina ukuseka ishishini lokuvelisa ukubandakanyeka kwimveliso ye-Granten.
4. Izinto eziluhlaza
I-Silicon yeShishini lezixhobo eziphambili zemveliso ye-Polysilicicon. Kulindelwe ukuba imveliso yase-Chicon yeShishini yaseTshayina iya kukhula ngokuzinzileyo ukusuka kwi-2022 ukuya kwi-2025. Ukususela ngo-2010. Ukususela ngo-2010. Ukusukela nge-2025, i-821, i-Chicody Service Gebleres kwi-7.4% kunye ne-8.6%, ngokulandelelana. Ngokwedatha ye-SMM, esandaImveliso yemveliso yeSiliconE China iya kuba ziitoni ezingama-890,000 kunye ne-1.065 yezigidi zetoni ngonyaka ka-2022 nowe-2023. Ukuthatha ukuba iinkampani zeSilicon zeSilicon ziya kuhlala zigcina ireyithi yokusetyenziswa kwesikhundla kunye nenqanaba lokusebenza elimalunga ne-60% kwixesha elizayo, i-China inda indandaUmthamo wemveliso ngo-2022 kwaye i-2023 iya kuzisa ukunyuka kweetoni ezingama-320,000 kunye neetoni ezingama-383,000. Ngokutsho koqikelelo lwe-GFCI,I-China yeMizi-mveliso yeSilika ye-China kwi-22/3/2006 imalunga ne-5.90 / 697 / 6.71 yezigidi zeetoni, i-498 yezigidi zeetoni.
Izinga lokukhula kwezindawo ezibini ezihamba ezantsi ze-silicon yeshishini elihamba kancinci, kwaye i-Chicon Shifficlive Shocicon Imveliso yeSilika inokuhlangabezana nemveliso yePolysilicicon. Ngo-2021, i-Chicod yaseTshayina imizi-mveliso iya kuba yi-5.385 yezigidi zeetoni, ihambelana nemveliso yezigidi zeetoti zesilwanyana, i-polsicicicon, i-aldiclic, kunye neetoni ezingama-848,000, kunye ne-649,000 yeetoni, kunye ne-649,000 yeetoni, kunye ne-649,000 yeetoni, kunye ne-649,000 yeetoni, kunye ne-649,000 yeetoni. Ukongeza, phantse i-780,000 yeetoni zemveliso isetyenziselwa ukuthunyelwa kwelinye ilizwe. Ngo-2021, ukuselwa kwePolysilicon, i-Alsicon ye-organic, kunye ne-alloum alloys iya kunika ingxelo nge-19%, ngeepesenti ezingama-28, kunye ne-20% ye-silicon yemveliso, ngokwahlukeneyo. Ukususela ngo-2022 ukuya kwi-2025, inqanaba lokukhula kwemveliso ye-organic kulindeleke ukuba lihlale malunga ne-10%, kwaye inqanaba lokukhula kwemveliso ye-Aluminium lingaphantsi kwe-5%. Ke ngoko, siyakholelwa ukuba isixa semali ye-silicon esinokusetyenziselwa i-Polysilicicon ngo-2022 ukuya ku-525 yenzekile, enokuhlangabezana ngokupheleleyo neemfuno zePolysilicon. Iimfuno zemveliso.
I-5. Unikezo lwePolysilicon:Chinaithatha indawo ebalaseleyo, kwaye imveliso iqokelela kancinci kumashishini okukhokela
Kwiminyaka yakutshanje, imveliso ye-Polysilication ye-Polysilicacon inyuke unyaka, kwaye ihlanganisene ngokuthe ngcembe eTshayina. Ukusukela ngo-2017 ukuya ku-2021, iMveliso yeHlabathi yoNyaka ye-Polysilicon inyukele kwiitoni ezingama-432,000 ukuya kwi-631,000 yeetoni, kunye nokukhula okukhawulezayo ngonyaka we-21.11%. Ngeli xesha, ukuveliswa kwe-rhulumente wonke kugxilwe ngokuthe ngcembe eTshayina, kunye nenxalenye ye-Chinasililicon ye-Polysilicicon isusela kwi-46.02% ngo-20 ukuya kwe-821. kakhulu, ukuwa ngaphandle kwamaqela alishumi aphezulu, njengegundava, i-OCI, i-GEMC; Ukugxininiswa kweshishini kuye kwandiswa kakhulu, kwaye inani elipheleleyo lemveliso yeenkampani ezilishumi eziphambili kwimveliso lonyuke ukusuka kwi-57.7% ukuya kwi-90.3%. Ngo-2021, zintlanu iinkampani zaseTshayina ezichaza ngaphezulu kwe-10% yezikhundla zemveliso, i-accounting ye-65.7%. . Zintathu izizathu eziphambili zokudluliselwa kancinci kwemveliso yePolysilicon kwi-China. Okokuqala, abavelisi basePolysilicicon baneengenelo ezibalulekileyo ngokwezinto ezingafunekiyo, umbane kunye neendleko zabasebenzi. Imivuzo yabasebenzi iphantsi kunela mazwe aphesheya, ke iindleko zemveliso iyonke e-China ziphantsi kakhulu kunamazwe aphesheya, kwaye ziya kuqhubeka nokwenza inkqubela phambili yetekhnoloji; Okwesibini, umgangatho weemveliso zasePilysiilicon zihlala ziphucuka, uninzi lwayo kwinqanaba lokuqala leklasi yokuqala, kwaye amashishini aphezulu aphezulu akwimfuno zokucoceka. Iphetshana lenziwe kwitekhnoloji yemveliso ye-Polysilificon ephezulu ye-polysililicon, ngokuthe ngcembe ngokuthembekileyo kwi-polysilicicon yasekhaya ye-elektroniki ukuba ingenise indawo yokungenisa elizweni, kwaye amashishini akhokelayo akhuthaza ngenkuthalo ukwakhiwa kweeprojekthi ze-polsililicon. Iziphumo zemveliso ze-silicon ye-china ingaphezulu kwe-95% yemveliso yemveliso yehlabathi, ethe ngokuthe ngcembe i-Polysilicicon ye-PHICOAS POSPERS ukuya kuthi ga kwinqanaba elithile.
Ukusukela ngo-2017 ukuya ku-2021, i-Polysililicicon yase-china iya kunyuka ngokuthe chu, ikakhulu kwiindawo ezityebileyo kwimithombo yamandla efana ne-xinajiang, i-Sichuan. Ngo-2021, i-Chinal Polysilican ivele ivela kwiitoni ezingama-392,000 ukuya kwi-505,000 yeetoni, ukunyuka kwe-28.83% ye-28.83%. Ngokuphathelelene kwemveliso yemveliso, i-Chinal Polysilicicon yokuvelisa i-Polysilicicon ikwimeko ephezulu, kodwa inqabile ngo-2020 ngenxa yokuvalwa kwabavelisi abazimeleyo. Ukongeza, inqanaba lokusetyenziswa kwamanani amashishini e-Pelysilicon ikhule ngokuqhubekayo ngokusukela ngo-2018, kwaye iqondo lokusetyenziswa kwesikhundla kwi-2021 liza kufikelela kwi-207.12%. Ngokwamaphondo, i-China Polysililicon imveliso ye-2021 igxile ikakhulu kwiindawo ezinamaxabiso ombane anjenge-xinajiang, i-Inner Mongolia, naseSichuan. Iziphumo zeXinjiang's ziitoni ezingama-270,400, ezingaphezulu kwesiqingatha semveliso iyonke eTshayina.
Umzi-mveliso wase-Polysilicon ubonakaliswa ngumgangatho ophezulu woxinzelelo, ngexabiso le-CR6 le-77%, kwaye kuya kubakho imeko ephezulu kwixesha elizayo. Imveliso yasePolysilicon ishishini elinezithintelo eziphezulu kunye nezithintelo eziphezulu zobugcisa. Umjikelo wokwakha weprojekthi kunye nemveliso uhlala iminyaka emibini okanye ngaphezulu. Kunzima kubavelisi abatsha ukuba bangene kwishishini. Ukugweba kulwandiso olucwangcisiweyo kunye neeprojekthi ezintsha kule minyaka mithathu izayo, abavelisi be-Oligo kwishishini baya kuqhubeka nokwandisa itekhnoloji yabo yokuvelisa kunye nezibonelelo zawo zokuzila, kwaye isikhundla sabo esibonakalayo siya kuqhubeka sikhula.
Kuqikelelwa ukuba i-Polysililicon ye-Corliyoilicon iya kubhala ngokukhula okukhulu ukusuka kwi-2022 ukuya kwi-2025, kwaye i-Polysilican ivele ifike kwi-1.194 yezigidi zeetoni kwimveliso ye-Polysilicon ye-Polysilicon ye-Polysilicon. Ngo-2021, ngokunyuka okukhawulezileyo kwixabiso lePolysilicon eTshayina, abavelisi abaphambili batyale imali ekwakhiweni kwemigca emitsha yemveliso, kwaye kwangaxeshanye batsala abavelisi abatsha ukuba bajoyine ishishini. Kuba iiprojekthi zasePolysilicon ziya kuthatha ubuncinci ukuya kwisiqingatha ukuya kwiminyaka emibini ukusuka ekwakheni ukuvelisa, ukwakhiwa okutsha ngo-2021 kuya kugqitywa. Umthamo wemveliso uhlala kwimveliso kwisiqingatha sesibini sika-2022 no-2023. Oku kuyahambelana kakhulu nezicwangciso zeprojekthi ezintsha ezibhengezwe ngabavelisi abaphambili okwangoku. I-2022-2025 igxile ikakhulu ngonyaka wama-2022 kwaye i-2023. Emva koko, njengokubonelela kunye nemfuno ye-Polysilicon kunye nexabiso le-polsililicon kunye nexabiso lemveliso elisezantsi kuya kuzinza ngokuthe chu. Phantsi, oko kukuthi, izinga lokukhula komgangatho wokuvelisa uyancipha. Ukongeza, inqanaba lokusebenzisa amanyathelo e-Polysilicon lihleli kwinqanaba eliphezulu kule minyaka mibini idlulileyo, kodwa kuya kuthatha ixesha lokuvelisa iiprojekthi ezintsha ukuze zizenzele itekhnoloji efanelekileyo. Ke ngoko, inqanaba lokusetyenziswa kwamanani eeprojekthi ezintsha zePolysilicon kule minyaka imbalwa imbalwa iya kuba sezantsi. Ukusuka koku, ukuveliswa kwePolysilicon ngo-2022 ukuya ku-525 kunokuqikelelwa, kwaye imveliso yasePolysilicon ngo-2025 kulindeleke ukuba ibe malunga ne-1.194 yeetoni ezigidi.
Ukugxininiswa kwamandla emveliso yasephesheni kuphakama, kwaye inqanaba kunye nesantya sokunyuka kwemveliso kule minyaka mithathu izayo ayiyi kuba phezulu njenge-china. Ukuphephe amandla e-Polsias Polsilicon ukugxininiswa ikakhulu kwiinkampani ezine ezikhokelayo, kwaye ezinye zininzi kakhulu amandla emincinci yemveliso. Ngokumalunga nokunqongophala komgangatho, i-wacker chem isebenza isiqingatha se-versias Polysilicicon yemveliso. Iifektri zayo eJamani nase-United States zinezakhono zetoni ezingama-60,000 kunye neetoni ezingama-20,000, ngokulandelelana. Ukwandiswa okukhawulezileyo kwezikhundla zehlabathi ze-Polysilicon kwi-2022 nangaphaya kunokuzisa inkxalabo malunga ne-oversopply, inkampani isekulindile kwaye ayicwangciswanga ukongeza amandla okutsha kwemveliso. I-South Polysilicon Giaring Oci ifudusa i-Polysililicon ye-Polysilicon ye-Polysilicon kwi-Malaysia e-pulsilican kwi-TOLANSIICON, icwangcisiwe ukuya kwiitoni ezingama-202,000 eziphantsi kwe-202,000 ye-2021, efezekisa i-china ephezulu Uluhlu lweerhafu kwiPolysilicicon eUnited States naseMzantsi Korea. Inkampani icwangcisa ukuvelisa iitoni ezingama-95,000 kodwa umhla wokuqalisa awucacanga. Kulindeleke ukuba inyuke kwinqanaba leetoni ezingama-5000 ngonyaka kule minyaka mine izayo. Inkampani yaseNorway ifumana iziseko ezimbini zemveliso eWashington State naseMontana, eUnited States, kunye neetoni zenqanaba leSolar-kunye ne-2 000 ye-polysilicicon ye-pollililicon. I-Realsican yamaxabiso ePolysilicon yamaxabiso ngo-2023, inkampani igqibe kwelokuba igqibe ukuveliswa kweMveliso ye-United States, ekhethekileyo eUnity I-polysilicicon ye-elektroniki. Izithintelo ze-teknoloji ephezulu kwimveliso zenza kube nzima kwiimveliso zenkampani ukuba zitshintshwe kwimarike. Zidityaniswe nenyaniso yokuba inkampani ayicwangcisi ukwakha iiprojekthi ezintsha kwisithuba seminyaka embalwa, kulindeleke ukuba umthamo wemveliso yeNkampani uya kuba yi-2022 ukuya ku-2005. Iziphumo zonyaka zihlala zikwi-18,000 yeetoni. Ukongeza, ngonyaka ka-2021, amandla okutsha kwemveliso yenkampani ngaphandle kwezi nkampani zine zingasentla ziya kuba ziitoni ezingama-5,000. Ngenxa yokunqongophala kokuqonda kwezicwangciso zemveliso yazo zonke iinkampani, kuthathwa apha ukuba amandla okutsha emveliso aya kuba ziitoni ezingama-5000 ngonyaka ukusuka ku-2022 ukuya ku-2025.
Ngokwe-versians ukuvelisa ukuvelisa, kuqikelelwa ukuba ukuveliswa kwe-Polysilicicon kwi-2025 kuya kuba malunga ne-176,000 yeetoni, kucingelwa ukuba inqanaba lokuvelisa phesheya kwe-Polysilicicon lihlala lingaguqukanga. Emva kokuba ixabiso le-Polysilicon liphume kakhulu ngobukhulu be-2021, iinkampani zaseTshayina zikhule kwimveliso nemveliso eyandisiweyo. Ngokwahlukileyo, iinkampani zaphesheya zilumkile ngakumbi kwizicwangciso zabo zeeprojekthi ezintsha. Kungenxa yokuba ulawulo lweshishini lePolysilicon sele lukhona kulawulo lwe-China, kunye nokunyuka kwemveliso engaboniyo kunokuzisa ilahleko. Ukusuka kwicala leendleko, ukusetyenziswa kwamandla zezona zinto zinkulu zeendleko zePolysilicon, ke amaxabiso ombane kubaluleke kakhulu, kwaye uXinjang, i-xinujiang, i-Sichuan neminye imimandla ineengenelo ezibonakalayo. Ukusuka kwicala lokufunwa, njengendawo ethe tyaba ngqo ye-Polysilicicon, eChicon ye-Chicon Swicon Wfer ngaphezulu kwe-99% yeHlabathi yeHlabathi liphela. Umzi mveliso wase-Polysilicicon ikakhulu ugxile kakhulu eChina. Ixabiso le-Polysilicicon elivelisiweyo liphantsi, iindleko zothutho ziphantsi, kwaye imfuno iqinisekisiwe ngokupheleleyo. Okwesibini, i-China ihambise irhafu ephezulu yokulahla inkunkuma kwiphasiwedi ye-solarsilificon evela kumazwe ase-United States naseSouth Korea, oye wacinezela kakhulu ukusetyenziswa kwePolysilicon evela eUnited States naseMzantsi Korea. Yilumkele ukwakha iiprojekthi ezintsha; Ukongeza, kwiminyaka yakutshanje, amaTshayina ase-China phesheya Polysilicicon acothayo ukuba aphumle ngenxa yempembelelo yerhafu, kwaye azivalelekanga, kwaye iimeko zemali azizange zinciphise ukuxhasa ukukhawuleza kunye nokwandiswa kwemali.
Ngokusekwe kubume bezinto ezikhoyo zePolysilicon e-China nasephesheya ukusuka kwi-2022 ukuya kwi-2025, ixabiso lezinto eziqikelelweyo ze-Polysilicicon zinokushwankathelwa. Kuqikelelwa ukuba imveliso ye-Polysilicon yehlabathi ngo-2025 iya kufikelela kwiitoni eziyi-1.371 ezigidi. Ngokwexabiso lemozulu lemveliso yasePolysilicon, isabelo saseChina sobungakanani behlabathi sinokufunyanwa ngokuqinileyo. Kulindelwe ukuba isabelo se-China siya kuthi ngokuthe ngcembe sanda kakhulu ukusuka kwi-2022 ukuya kwi-2025, kwaye iya kudlula kwi-47% ngo-2025.
6, isishwankathelo kunye nembono
I-Polysililicon ifumaneka downkhacisoam ye-Silicon yeMizi-mveliso kunye nePictam yayo yonke i-fotovoltaic kunye ne-semiconductor yeshishini kunye ne-Semiconductor Serving, kwaye imeko yayo ibaluleke kakhulu. I-pinsoltaic yeshishini le-Polysilicicicon yase-Polysilicicon-I-Silicon Waferd-Possoltaic-I-Phominaltaic ifakiwe, kunye ne-semicondtaic cain, i-semicondtacy rinsiline ye-silicon-chip. Izinto ezahlukeneyo zisebenzisa iimfuno ezahlukeneyo zokucoceka kwePolysilicon. Umzi-mveliso wefotovoltaic ikakhulu usebenzisa i-polysilicicicon ye-solarsilicicon, kunye nomzi mveliso we-semicondcuctor usebenzisa i-polysilicicon ye-elektroniki. Okwangaphambili inendawo yokucoceka kwe-6n-8n, ngelixa i-yokugqibela ifuna ukucoceka kwe-9n okanye ngaphezulu.
Iminyaka, inkqubo yemveliso ephambili yePolysilicon ibiyindlela ephuculweyo ye-Norysilicans ephucukileyo kwihlabathi liphela. Kwiminyaka yakutshanje, ezinye iinkampani ziphonononge ngenkuthalo indlela yenkqutyana ye-SILAIDED STRAED i-STADED ye-FLARED, enokuba nefuthe kwimo yemveliso. I-polysilicicon eyenziwe yintonga eveliswe yindlela ye-fiemens eguqulweyo ineempawu zokusebenzisa amandla aphezulu, iindleko eziphezulu kunye ne-silicon ephezulu, ngelixa i-Granten ye-Sleidled Squest ineempawu zokusetyenziswa kwamandla eSilane zineempawu zokusetyenziswa kwamandla eziphantsi, zicocekile kakhulu kwaye zicoceke kakhulu. Ezinye iinkampani zaseTshayina ziye zaqonda ukuba imveliso enkulu yesilika yesilika kunye netekhnoloji yokusebenzisa i-Granesicon yokutsala iPolysilicon, kodwa ayikhuthaziswanga ngokubanzi. Enoba i-Granular Silicon inokuthatha indawo yangaphambili kwixesha elizayo ixhomekeke ekubeni indleko zexabiso zinokugubungela ukungalingani komgangatho, ifuthe lemisebenzi esezantsi, kunye nokuphuculwa kweSilathwe ngokhuseleko. Kwiminyaka yakutshanje, imveliso ye-Polysilican ye-Polysilifacon inyuke unyaka nonyaka, kwaye ngokuthe ngcembe eTshayina. Ukususela ngo-2017 ukuya ku-2021, iMveliso yeHlabathi yoNyaka ye-Polysilicon iya kwanda ukusuka kwiitoni ezingama-432,000 ukuya kwiitoni ezingama-631,000 ze-Polysilican ze-china, kunye ne-Chinal Polysilican kwi-2021. Ukususela kwi-2022 ukuya kwi-2025, ukuhanjiswa kwe I-Polysililicon iya kubhala ngokukhula okukhulu. Kuqikelelwa ukuba imveliso yasePolysilicon kwi-2025 iya kuba yi-1.194 yeetoni ezizigidi ze-China, kwaye iMveliso Yaphesheya iya kufikelela kwiitoni ezili-176,000. Ke ngoko, imveliso ye-Polysilicon ye-Polysilicon ye-2025 iya kuba malunga ne-1.37 yezigidi.
(Eli nqaku libhekiswa kuphela kwireferensi yedolophu yase-Urbanmines kwaye ayimelani naziphi na iingcebiso zotyalo-mali)