Ndi chitukuko chosalekeza cha dziko lamakono, mphamvu zosasinthika zikutha, ndipo anthu akufulumira kugwiritsa ntchito mphamvu zowonjezera zomwe zimayimiridwa ndi "mphepo, kuwala, madzi ndi nyukiliya". Poyerekeza ndi magwero ena a mphamvu zongowonjezwdwa, anthu ali ndi luso lokhwima, lotetezeka komanso lodalirika logwiritsa ntchito mphamvu za dzuwa. Pakati pawo, makampani opanga ma cell a photovoltaic okhala ndi silicon yoyera kwambiri popeza gawo lapansi lakula mwachangu kwambiri. Pofika kumapeto kwa 2023, dziko langa lachulukirachulukira mphamvu ya solar photovoltaic anaika wadutsa gigawati 250, ndi mphamvu photovoltaic mphamvu yafika 266.3 biliyoni kWh, kuwonjezeka pafupifupi 30% chaka ndi chaka, ndi mphamvu zatsopano anawonjezera ndi 78.42 miliyoni. kilowatts, kuwonjezeka kwa 154% pachaka. Pofika kumapeto kwa June, mphamvu yowonjezereka ya mphamvu ya photovoltaic inali pafupi ma kilowatts 470 miliyoni, yomwe yaposa mphamvu ya hydropower kuti ikhale yachiwiri yaikulu kwambiri m'dziko langa.
Ngakhale kuti mafakitale a photovoltaic akukula mofulumira, mafakitale atsopano omwe akuwathandiza akukulanso mofulumira. Zigawo za quartz mongazitsulo za quartz, mabwato a quartz, ndi mabotolo a quartz ndi ena mwa iwo, akugwira ntchito yofunika kwambiri pakupanga photovoltaic. Mwachitsanzo, ma crucibles a quartz amagwiritsidwa ntchito kusunga silicon yosungunuka popanga ndodo za silicon ndi zitsulo za silicon; mabwato a quartz, machubu, mabotolo, akasinja oyeretsera, ndi zina zotero zimagwira ntchito yokhudzana ndi kufalikira, kuyeretsa ndi njira zina zopangira ma cell a dzuwa, ndi zina zotero, kuonetsetsa chiyero ndi khalidwe la zipangizo za silicon.
Ntchito zazikulu za zigawo za quartz pakupanga photovoltaic
Popanga ma cell a solar photovoltaic cell, zopyapyala za silicon zimayikidwa pa bwato lopindika, ndipo botilo limayikidwa pachothandizira chaboti chophatikizira, LPCVD ndi njira zina zotenthetsera, pomwe silicon carbide cantilever paddle ndiye gawo lofunikira kwambiri pakunyamula. chothandizira chaboti chonyamula zowotcha za silicon kulowa ndi kutuluka mu ng'anjo yotenthetsera. Monga momwe tawonera m'chithunzichi, silicon carbide cantilever paddle imatha kuonetsetsa kuti chophatikizira cha silicon ndi chubu cha ng'anjo cha concentricity, potero kupangitsa kufalikira ndi kuphatikizika kukhala kofanana. Panthawi imodzimodziyo, imakhala yopanda kuipitsidwa komanso yosapunduka pa kutentha kwakukulu, imakhala ndi mphamvu yabwino ya kutentha kwa kutentha ndi mphamvu yaikulu yolemetsa, ndipo imagwiritsidwa ntchito kwambiri m'maselo a photovoltaic.
Chithunzi chojambula cha zigawo zazikulu zotsegula batire
Mu njira yofewa yofikira kufalikira, bwato lachikhalidwe la quartz ndibwato lamkatiThandizo liyenera kuyika chophatikizira cha silicon pamodzi ndi chothandizira cha boti cha quartz mu chubu cha quartz mu ng'anjo yamoto. Pakufalikira kulikonse, chithandizo cha bwato la quartz chodzazidwa ndi zowotcha za silicon zimayikidwa pa silicon carbide paddle. Pambuyo pa silicon carbide paddle kulowa mu chubu cha quartz, paddleyo imamira yokha kuti ikhazikitse boti la quartz ndi silicon wafer, kenako pang'onopang'ono kubwereranso kumene. Pambuyo pa ndondomeko iliyonse, chithandizo cha bwato la quartz chiyenera kuchotsedwachitsulo cha silicon carbide. Kuchita pafupipafupi kotereku kumapangitsa kuti boti la quartz lithe kutha kwa nthawi yayitali. Boti la quartz likangosweka ndikusweka, chithandizo chonse cha boti cha quartz chidzagwa kuchokera pa silicon carbide paddle, ndiyeno kuwononga magawo a quartz, zowotcha za silicon ndi silicon carbide paddles pansipa. Silicon carbide paddle ndi okwera mtengo ndipo sangathe kukonzedwa. Ngozi ikachitika, idzawononga katundu wambiri.
Mu ndondomeko ya LPCVD, sikuti mavuto omwe atchulidwa pamwambapa adzachitika, koma popeza ndondomeko ya LPCVD imafuna mpweya wa silane kuti udutse pazitsulo za silicon, ndondomeko ya nthawi yayitali idzapanganso zokutira za silicon pa chithandizo cha bwato la wafer ndi bwato lamkati. Chifukwa cha kusagwirizana kwa ma coefficients owonjezera kutentha kwa silicon yophimba ndi quartz, chithandizo cha ngalawa ndi bwato zidzasweka, ndipo nthawi ya moyo idzachepetsedwa kwambiri. Utali wamoyo wa mabwato wamba a quartz ndi zothandizira paboti mu LPCVD nthawi zambiri amakhala miyezi iwiri kapena itatu yokha. Chifukwa chake, ndikofunikira kwambiri kukonza zida zothandizira boti kuti muwonjezere mphamvu ndi moyo wautumiki wa chithandizo cha bwato kuti mupewe ngozi zotere.
Mwachidule, pamene ndondomekoyi nthawi ndi nthawi zambiri zimawonjezeka panthawi yopanga maselo a dzuwa, mabwato a quartz ndi zigawo zina zimakhala zosavuta kubisala kapena kusweka. Moyo wa mabwato a quartz ndi machubu a quartz m'mizere yaposachedwa yopanga ku China ndi pafupifupi miyezi 3-6, ndipo amayenera kutsekedwa pafupipafupi kuti ayeretse, kukonza, ndikusintha zonyamula quartz. Kuphatikiza apo, mchenga wa quartz woyeretsedwa kwambiri womwe umagwiritsidwa ntchito ngati zida zopangira zida za quartz pakadali pano umakhala wovuta komanso wofunidwa, ndipo mtengo wakhala ukuyenda pamlingo wapamwamba kwa nthawi yayitali, zomwe mwachiwonekere sizothandiza kuwongolera kupanga. bwino komanso phindu lachuma.
Silicon carbide ceramics"kuwonetsani"
Tsopano, anthu abwera ndi zinthu zomwe zimagwira ntchito bwino kuti zilowe m'malo mwa zida za quartz-silicon carbide ceramics.
Ma silicon carbide ceramics ali ndi mphamvu zamakina abwino, kukhazikika kwamafuta, kukana kutentha kwambiri, kukana kwa okosijeni, kukana kutenthedwa kwamafuta komanso kukana kwa dzimbiri, ndipo amagwiritsidwa ntchito kwambiri m'malo otentha monga zitsulo, makina, mphamvu zatsopano, ndi zomangira ndi mankhwala. Kuchita kwake kumakwaniranso kufalikira kwa maselo a TOPcon mukupanga photovoltaic, LPCVD (low pressure chemical vapor deposition), PECVD (plasma chemical vapor deposition) ndi maulalo ena opangira matenthedwe.
LPCVD silicon carbide boat support ndi boron-expanded silicon carbide boat support
Poyerekeza ndi zida zachikhalidwe zamtundu wa quartz, zothandizira mabwato, mabwato, ndi zinthu zamachubu zopangidwa ndi silicon carbide ceramic zida zili ndi mphamvu zapamwamba, kukhazikika kwamafuta abwinoko, osasinthika pakutentha kwambiri, komanso moyo wanthawi yopitilira 5 kuposa zida za quartz, zomwe zimatha kwambiri. kuchepetsa mtengo wogwiritsira ntchito komanso kutaya mphamvu chifukwa cha kukonza ndi kuchepetsa nthawi. Mtengo wamtengo wapatali ndi wodziwikiratu, ndipo gwero la zopangira ndi lalikulu.
Pakati pawo, reaction sintered silicon carbide (RBSiC) imakhala ndi kutentha kochepa kwa sintering, mtengo wotsika wopanga, kachulukidwe kazinthu zambiri, ndipo pafupifupi palibe kuchepa kwa voliyumu panthawi yomwe sintering. Ndikoyenera makamaka kukonzekera zigawo zazikuluzikulu ndi zovuta zomangika. Chifukwa chake, ndizoyenera kwambiri kupanga zinthu zazikuluzikulu komanso zovuta monga zothandizira mabwato, mabwato, ma cantilever paddles, machubu ang'anjo, ndi zina zambiri.
Maboti a silicon carbidealinso ndi ziyembekezo zazikulu zachitukuko mtsogolo. Mosasamala kanthu za ndondomeko ya LPCVD kapena njira yowonjezera ya boron, moyo wa boti la quartz ndi wochepa kwambiri, ndipo mphamvu yowonjezera kutentha kwa zinthu za quartz ndizosagwirizana ndi za silicon carbide. Choncho, n'zosavuta kukhala ndi zopotoka mu ndondomeko yofananira ndi silicon carbide bwato chofukizira pa kutentha kwambiri, zomwe zimabweretsa mkhalidwe kugwedeza bwato kapena kuswa bwato. Boti la silicon carbide limatenga njira yopangira chidutswa chimodzi ndikukonza kwathunthu. Maonekedwe ake ndi zofunikira zololera malo ndizokwera, ndipo zimagwirizana bwino ndi chotengera cha silicon carbide. Kuphatikiza apo, silicon carbide imakhala ndi mphamvu zambiri, ndipo bwato silingathe kusweka chifukwa cha kugunda kwa anthu kuposa bwato la quartz.
Silicon carbide wafer bwato
Bokosi la ng'anjo ndilo gawo lalikulu la kutentha kwa ng'anjo, lomwe limagwira ntchito yosindikiza ndi kutumiza kutentha kwa yunifolomu. Poyerekeza ndi machubu a ng'anjo ya quartz, machubu a ng'anjo ya silicon carbide ali ndi matenthedwe abwino, kutentha kwa yunifolomu, komanso kukhazikika kwamafuta, ndipo moyo wawo umaposa kasanu kuposa machubu a quartz.
Chidule
Nthawi zambiri, kaya pakupanga zinthu kapena mtengo wogwiritsa ntchito, zida za silicon carbide ceramic zili ndi zabwino zambiri kuposa zida za quartz pazinthu zina zama cell a solar. Kugwiritsa ntchito zida za silicon carbide ceramic m'makampani a photovoltaic kwathandiza kwambiri makampani a photovoltaic kuchepetsa ndalama zogulira zinthu zothandizira ndikuwongolera kuchuluka kwazinthu komanso kupikisana. M'tsogolomu, ndi kugwiritsa ntchito kwakukulu kwa machubu akuluakulu a silicon carbide ng'anjo, mabwato apamwamba a silicon carbide ndi zothandizira ngalawa komanso kuchepetsa kuchepetsa ndalama, kugwiritsa ntchito zipangizo za silicon carbide ceramic m'munda wa cell photovoltaic zidzakhala. chinthu chofunika kwambiri pakuwongolera mphamvu ya kutembenuka kwa mphamvu ya kuwala ndi kuchepetsa ndalama zamakampani m'munda wa magetsi a photovoltaic, ndipo zidzakhudza kwambiri chitukuko cha mphamvu yatsopano ya photovoltaic.
Nthawi yotumiza: Nov-05-2024