Indima yamalahle ecocekileyo kwitekhnoloji eluhlaza? 

Uva itela yamalahle kunye netekhnoloji eluhlaza kwisivakalisi esinye, uninzi lwabantu kushishino luhlekisa okanye lukhangeleka lubhidekile. Ndiyayifumana. Kwiminyaka emininzi, i-tar pitch yamalahle, i-binder, umqolo wokwenziwa kwekhabhoni yendabuko, ibe yimfihlelo engcolileyo-ububi obufunekayo kwi-anodes kunye ne-electrodes. Ingxelo ibimalunga nokushenxa kwizandulela ezisekelwe kwifosili. Kodwa nantsi into esihlala siyiphosa kulo mbono ulula: indima ye I-tea ye-coal coal ayisiyiyo into ekrwada ngokwayo ibe luhlaza; imalunga nokusebenza kakuhle, ukunciphisa inkunkuma, kunye nokusebenza kwenza kube lula ukuhla kwezobuchwephesha eziyinxalenye engathandabuzekiyo yenguqu eluhlaza. I-nuance elahlekileyo kwi-PR-speak.

Umanduleli Ongaqondwayo

Masicace. Asithethi ngetela ekrwada, enamacandelo amaninzi. Igama elingundoqo ngu I-tea ye-coal coal, i-pitch ye-tar yamalahle esulungekisiweyo ngokukodwa (CTP) kunye nokwakheka okulawulwayo. Impazamo eqhelekileyo kukuhlanganisa zonke iiprecursors zekhabhoni. I-Bio-pitches iyathembisa, kodwa ukuhambelana kwayo kunye nexabiso le-coking? Usengumdlalo wokungcakaza kwi-industrial scale. I-petroleum pitch ine-volatility yayo kunye nemiba yokubonelela. I-CTP ephezulu ecocekileyo inikeza indawo yokuqala eyaziwayo, ethembekileyo. Ubume bayo bemolekyuli, oko kunuka, kuyinzuzo ngokwenene ekudaleni iileyile zekhabhoni eziodolweyo ezifunekayo, yithi, i-graphite anodes yeebhetri zemoto yombane. Inxalenye eluhlaza iqala xa ucinga ngenye indlela: inkqubo engasebenzi kakuhle efuna amandla amaninzi, ukugatya okungaphezulu, kwaye ekugqibeleni, i-carbon footprint enkulu kwiyunithi nganye yokusebenza.

Ndikhumbula iprojekthi malunga neminyaka emihlanu emva, ndizama ukufaka indawo ye-CTP kunye ne-novel bio-derived binder ye-graphite electrode. Iziphumo zaselabhu bezintle. Ukunyusela kulingo oluqhutywayo kwiziko leqabane kwaba yintlekele. Umjikelo wokubhaka waba yinto engalindelekanga, ukuxinana kwemveliso yokugqibela kwakuyo yonke indawo, kwaye sagqiba nge-40% ye-scrap rate. Amandla achithwayo ekubhakeni ezo bhilithi zingalunganga mhlawumbi ziye zalandula nayiphi na inzuzo yokusingqongileyo kwi-bio-material iminyaka. Yayisisifundo esinzima ekusebenzeni kakuhle kwenkqubo. Ngamanye amaxesha, izinto eziluhlaza eziluhlaza zikhokelela kwinkqubo emdaka iyonke.

Apha kulapho iinkampani ezinolwazi olunzulu lwezenzululwazi zingena khona. Ndikhe ndaphonononga iinkcukacha ezivela kubavelisi bexesha elide abanjalo Hebei yaoofa carbon co., ltd. (unokufumana iinkcukacha zabo apha https: //wwww.yaoooooooooooooonyango). Ukugxila kwabo kwi I-carbon yongezwa kunye nee-electrode zegraphite zixhomekeke kwi-precursor consistency. I-Hebei Yaofa Carbon Co., Ltd., njengomvelisi omkhulu wekhabhoni oneminyaka engaphezu kwe-20 kumdlalo, uyayiqonda into yokuba ukucoceka kunye nokuzinza kwe-coal tar pitch feedstock iguqulela ngokuthe ngqo ekusebenzeni kwimveliso yokugqibela-i-puffing encinci ngexesha le-graphitization, i-conductivity engcono, ubomi obude. Obo bomi obude kwi-EAF yokwenza insimbi okanye ibhetri ye-lithium-ion yinzuzo yokuzinza ngokuthe ngqo.

Ukuxhomekeka okufihliweyo kweTekhnoloji yeGreen

Jonga abaqhubi ababini abakhulu bobuchwephesha obuluhlaza: ukufakelwa kombane kwezothutho kunye nokugcinwa kwamandla ahlaziyekayo. Bobabini baxhomekeke kakhulu kwimathiriyeli yekhabhoni ephezulu. Imarike ye-graphite anode iyaqhuma. Kodwa ivela phi loo graphite yokwenziwa? Indlela enkulu kukugqwesa kwenaliti yecoke, yona ngokwayo iveliswa ukusuka... uyiqikelele, ilungisiwe. I-coal tar okanye imijelo yepetroleum. Ukutyhala umthamo ophezulu, ukutshaja ngokukhawuleza-kubeka uxinzelelo olukhulu kwi-microstructure ye-anode. I-coke ecocekileyo, engaguqukiyo ephuma kwi-pitch inokubonelela ngeziphene ezimbalwa, i-lithium-ion intercalation kinetics engcono. Yimpahla evumelayo, kungekhona isenzo sentloko.

Emva koko kukho icala elingathandekiyo: i-conductive I-carbon yongezwa. Izinto ezifana nekhabhoni emnyama ye-Li-ion cathodes okanye i-conductive agents for supercapacitors. Ezinye zezona zisebenza kakhulu zisuka kubuchwephesha obukhethekileyo betela. Baphucula i-conductivity kwi-loading encinci, oku kuthetha ukuba usebenzisa izinto ezincinci ezisebenzayo, ukwandisa ubuninzi bamandla. Kwakhona, kukuphindaphinda amandla ekusebenzeni kwesixhobo esiluhlaza. Ndibone abavelisi beeseli zebhetri bexhalabele umthombo we-lithium kodwa baphathe isongezo sekhabhoni njengempahla. Impazamo enkulu. Ukwahluka kwe-2% kwisakhiwo sezongezo sinokuthi itanki ubomi bomjikelezo.

Siye sazama ukusebenzisa imijelo yetela ehlaziyiweyo evela kwamanye amashishini. Ingcamango yayiyigolide yoqoqosho lwesetyhula. Inyani yayiyi-nightmare yokuhluza kunye nokuhlanjululwa ukususa izinto ezingcolileyo zetsimbi eziza kutyhefa iseli yebhetri. Iindleko zokuyifumana kwi-spec ecocekileyo yayiphezulu kunokuqala ngentombi enyulu, elawulwayo. Yipilisi enzima ukuyiginya, kodwa ayizizo zonke iindlela zokurisayikilishwa ngokukhawuleza ngokobugcisa okanye ngokwezoqoqosho. Eyona nto iphambili kufuneka ibe yintsebenzo kunye nokuthembeka kobuchwepheshe obuluhlaza bokugqibela.

Imiqobo eSebenzayo kwiKhonkco loNikezelo

Ukuthetha nge I-tea ye-coal coal ayisiyongxaki nje yekhemistri; yiphazili yolungiselelo kunye nokukhangela. Unikezelo luyaqina. Ngokuhla kwemisebenzi yokupheka yemveli kweminye imimandla, ukufumana umjelo ozinzileyo wetela ekumgangatho ophezulu yinkxalabo yokwenyani. Oku kuguquguquka kutyhala inguqulelo entsha, ngokuqinisekileyo, kodwa kukwabeka emngciphekweni wokuphucula umgangatho. Ndiye ndathunyelwa apho umxholo we-quinoline-insoluble (QI) wawungekho-spec, kwaye wayilahla yonke inkqubo yokungena kwibhetshi ye-electrode ye-UHP. Iintsuku zexesha lemveliso ezilahlekileyo.

Yiyo loo nto udibaniso oluthe nkqo okanye ubudlelwane obubambene kakhulu bomthengisi bubalulekile. Umenzi olawula okanye osiqonda ngokunzulu isitokhwe sakhe sokutya ukusuka kwinqanaba le-oveni ye-coke unenzuzo enkulu. Banokuphumeza iitshekhi zomgangatho ngaphambili, bahlengahlengise iiparamitha zokucokisa, kwaye baqinisekise ukuba I-tea ye-coal coal imveliso iyifanele ngokwenene injongo. Ayisiyonto onokuthi uyithenge nje kwimarike yendawo ukuba ujonge isiphelo esiphezulu igrafu electroniki okanye iprimiyamu I-carbon yongezwa imarike. Iwebhusayithi yeHebei Yaofa Carbon ibalula ngaphezulu kweminyaka engama-20 yamava emveliso. Kulo mongo, la mava athetha ukuba bahambe ngeendlela ezininzi zokubonelela kwaye bazinzisile imibhobho eyandulelayo, nto leyo engenakuxoxisana ngobonelelo lwemathiriyeli yetekhnoloji eluhlaza.

Enye intloko ebuhlungu kukukhupha izinto zokubhaka. Ii-VOCs ezivela kwi-pitch ngexesha le-carbonization ngumngeni osemthethweni wokusingqongileyo. Indima eluhlaza apha iyatshintsha ukusuka kwitela ngokwayo ukuya kwitekhnoloji equlethe kwaye iphathe ezo zinto zikhutshwayo. I-fume ephezulu yokubamba kunye neenkqubo zokutshisa, ukuguqula loo nkunkuma yokushisa ibuyele kwinkqubo yamandla-kulapho ugxininiso lwangoku lokusingqongileyo kwiinkqubo ezisekelwe kwi-tar zilele ngokufanelekileyo. Yindaleko enzulu kodwa ebaluleke kakhulu.

Ikamva: Ibhulorho, Hayi Indawo ekuyiwa kuyo

Kunjalo, kunjalo I-tea ye-coal coal ikamva lezinto zobugcisa obuluhlaza? Hayi, kwaye andazi nabani na kwi-R&D ocinga ukuba yiyo. Yibhulorho ebalulekileyo. Indima yayo kukubonelela ngezinto ezinokwethenjelwa, eziphezulu zekhabhoni ezifunekayo ukunyusa iteknoloji efana nee-EV kunye nokugcinwa kwegridi namhlanje, ngelixa isizukulwana esilandelayo se-precursors ezinzileyo ngokupheleleyo (i-bio-based, i-carbon recycled, njl.

Uphando lunzulu. I-pitch ethathwe kwi-lignin, kwinkunkuma yeplastiki nge-pyrolysis. Kodwa ngalo lonke ixesha ndijonga amaphepha edatha, imibuzo iyafana: Ngaba unokwenza iitoni ezili-10,000 zayo ngeenkcazo ezifanayo nyanga zonke? Zithini iindleko ngetoni nganye xa kuthelekiswa nokunyuswa komsebenzi? Ngaba yazisa ubumdaka obutsha? Asikabikho. Ukuyishiya inkqubo yangoku phambi kokuba entsha ilungile kuya kumisa inguqu eluhlaza ngokwayo.

Ke ngoko, esona sicwangciso sepragmatic eluhlaza okwangoku kukwandisa ukusebenza kakuhle kuwo onke amanyathelo akhoyo I-coal tar-to-carbon imveliso chain. Oko kuthetha ukutyala imali ekusulungekiseni ukufumana esona sondlo sisulungekileyo, ukongeza iziko lokubhaka kunye ne-graphitization yokusebenza kakuhle kwamandla, kunye nokutyhala ubomi bemveliso kumda wabo. I-electrode ye-UHP ehlala i-20% ixesha elide kwi-arc furnace igcina izixa ezikhulu zamandla kunye nezinto ezikrwada ngetoni nganye yentsimbi eveliswayo. Leyo yimpembelelo ebonakalayo eluhlaza, eyenziwa zizinto esihlala sikhawuleza ngazo ukwenza ububi.

Ukuqukumbela Ngaphandle Kwesaphetha

Akukho sigqibo esilungileyo apha. Kumdaka. Indima iphikisana phezu komhlaba kodwa isengqiqweni kwimisele. I-tea ye-coal coal, le mathiriyeli yemizi-mveliso yelifa, kungokunje iluncedo oluyimfuneko kwezona teknoloji zijolise ekususeni iisistim zemizi-mveliso yelifa. Ixabiso layo lokusingqongileyo alikho ngokuthe ngqo kunye nenkqubo-ifunyenwe ekusebenzeni ngokufanelekileyo kunye nokusebenza inikezela kwisicelo sokugqibela. Ukungahoyi le nuance, ukuqhubela phambili ukutshintshwa kwayo kwangaphambi kwexesha ngokusekwe kwi-optics kuphela, kunokwenza ingozi enkulu kunokulunga kwisantya sokwenza izinto ezintsha. Ugxininiso kufuneka lube kukufuna uxanduva, ukuphuculwa kwenkqubo engayekeleliyo, kunye nokuphatha ezi zixhobo zekhabhoni hayi njengempahla yorhwebo, kodwa njengezixhobo zobunjineli obuchanekileyo bekamva lethu lobuchwephesha obuluhlaza. Umsebenzi, njengesiqhelo, ukwienkcukacha ezingento yanto.