Kua whakaarohia e ngā kairangahau o Te Whare Wānanga Hangarau o Chalmers tētahi huarahi hou, whai hua hoki hei hangarua i ngā konganuku mai i ngā pākahiko waka hiko. Ka whakahokia mai e tēnei tikanga te 100% konumohe me te 98% lithium mai i ngā pākahiko EV kua whakamahia. Mā tēnei ka whakaitihia ngā ngaronga o ngā rauemi mata nui pērā i te nikara, te konupora me te konupora. Kāore e hiahiatia he matū utu nui, he matū kino rānei mō tēnei tukanga nā te mea i whakamahia e ngā kairangahau te waikawa oxalic, he waikawa e kitea ana i roto i te ao tipu.
Tae noa mai ki tēnei wā, kāore anō kia kitea he tikanga e tika ana mō te wehewehe i tēnei nui o te lithium mā te whakamahi i te waikawa oxalic me te tango i te konumohe katoa. I kī a Leah Rouquette, he tauira PhD i te Tari Matū me te Hangarau Matū i Te Whare Wānanga Hangarau o Chalmers, nā te mea kei roto i ngā pākahiko katoa te konumohe, me taea e tātou te tango atu me te kore e ngaro ētahi atu konganuku.
I te Taiwhanga Hangarua Pūhiko i Te Whare Wānanga Hangarau o Chalmers, i whakaatu a Leah Rouquette me te kaiārahi rangahau a Martina Petranikova i te mahi a te tikanga hou. I roto i te taiwhanga he pākahiko motuka kua whakamahia, ā, i roto i te taupoki paowa he rauemi pakaru i te ahua o te paura pango kua hurihia kia pai te huri i roto i te wai mārama - te waikawa oxalic. Ka whakamahia e Leah Rouquette te mea e ahua ana ki te mīhini whakaranu kihini hei whakaranu i ngā wai me ngā paura. Ahakoa he āhua māmā noa iho me te mea kei te hanga kawhe ia, he ahurei te tikanga motuhake, ā, he putanga pūtaiao hou kua whakaputaina. Mā te whakatikatika pai i te pāmahana, te kukū me te wā, i whakawhanakehia e ngā kairangahau he tunu hou e whakamahi ana i te waikawa oxalic, he kai e pai ana ki te taiao e kitea ana hoki i roto i ngā tipu pēnei i te rhubarb me te spinach.
E hiahiatia ana he huarahi kē atu hei whakakapi i ngā matū kore-ora o ēnei rā. Hei tāpiri, ko tētahi o ngā arai nui rawa atu i roto i ngā tukanga hou ko te tango i ngā rauemi toenga pērā i te konumohe. E ai ki a Martina Petranikova, Ahorangi Tuarua i te Tari Matū me te Hangarau Matū i Te Whare Wānanga Hangarau o Chalmers, he huarahi auaha tēnei ka taea te whakarato huarahi kē atu ki te umanga hangarua me te āwhina ki te whakaoti rapanga e aukati ana i te whanaketanga.
Ko ngā tikanga tukatuka wai-pūtake e kiia ana ko te hydrometallurgy. I roto i te hydrometallurgy tuku iho, ka tangohia tuatahitia ngā "paru" mai i ngā rauemi pēnei i te konumohe me te parahi, kātahi ka taea te whakamahi i ngā konganuku utu nui pēnei i te lithium, te cobalt, te nickel me te manganese. Ahakoa he iti noa te konumohe me te parahi e toe ana, he maha ngā wāhanga o te purenga e hiahiatia ana, ā, i ia wāhanga o te tukanga ka puta he turuturu. I roto i te tikanga hou, i whakarerekētia e ngā kairangahau te tapahi, ā, i wehea tuatahitia te lithium mai i te konumohe. Mā tēnei, ka taea e rātou te whakaiti i te para o ngā konganuku utu nui e hiahiatia ana hei hanga pākahiko hou.
Ahakoa te haurua tuarua o te tukanga—te tātari i te ranunga pouri—he rite tonu ki te hanga kawhe. Ahakoa ka uru te konumohe me te lithium ki te wai, ka noho tonu ētahi atu konganuku ki roto i te "puna wai". Ko te taahiraa e whai ake nei ko te wehewehe i te konumohe me te lithium.
"Nā te mea he tino rerekē ngā āhuatanga o ēnei konganuku, e whakapono ana mātou kāore e uaua te wehewehe i a rātou. Mā tā mātou tikanga hou ka huaki he huarahi hou hei hangarua i te pākahiko, ā, he nui te hihiri ki a mātou ki te tūhura atu," te kī a Leah Rouquette. "I te mea ka taea hoki te whakamahi i te tikanga i runga i te tauine nui, ko te tumanako ka whai hua i roto i te ahumahi i ngā tau e haere ake nei," te kī a Martina Petranikova.
Kua roa te rōpū rangahau a Martina Petranikova e whakahaere ana i ngā rangahau matua mō te hangarua whakarewa i roto i ngā pākahiko lithium-ion. E mahi tahi ana te rōpū me ngā kamupene e whai wāhi ana ki te hangarua i ngā pākahiko waka hiko, ā, he hoa mahi hoki i roto i ngā kaupapa R&D nui pērā i a Volvo Cars me te kaupapa Nybat a Northvolt.
Ngā kōrero tāpiri mō te rangahau: I whakaputaina te tuhinga pūtaiao "Fully selective recovery of lithium from lithium-ion electric vehicle batteries: modeling and optimization using oxalic acid as a lixiviant" i roto i te puka Separation and Purification Technology. Nā Leah Rouquette, Martina Petranikova me Natalia Vieceli o te Tari Matū me te Hangarau Matū i te Whare Wānanga Hangarau o Chalmers te rangahau. I tautokona te rangahau e te Swedish Energy Agency, te Swedish Battery Base me Vinnova, ā, i whakahaerehia ngā whakamātautau mā te whakamahi i ngā pākahiko waka hiko Volvo Cars kua whakamahia i tukatukahia e Stena Recycling me Akkuser Oy.
He maha ngā tuhinga manuhiri a ngā tohunga o ngā momo mara e whakaputaina ana e mātou. Koinei tā mātou pūkete mō ēnei tāngata, ngā whakahaere, ngā umanga me ngā kamupene motuhake.
Ka marino ake ngā tauranga, ka iti ake te poke, ka iti ake ngā hau kati kōtuhi e tukuna ana, ā, ka nui ake te whai hua. Ka pai ake te katoa…
Waitohu mō te pānui īmēra o ia rā a CleanTechnica. Whaia rānei mātou i runga i a Google News! Kei ia panonitanga hangarau he kaiārahi auaha…
Nō nā tata nei, i karanga mai a Jefferies Group, tētahi o ngā peeke haumi nui rawa atu o te US, i ahau kia kōrero ki ā rātou kiritaki o te ao, arā, ngā kaipupuri moni umanga…
Waitohu mō te pānui īmēra o ia rā a CleanTechnica. Whaia rānei mātou i runga i ngā Pūrongo Google! Te Pānui i te Pūtea a te Rāngai Tūmataiti ki ngā Pūhiko Hangaia i Amerika…
Mana pupuri © 2023 CleanTechnica. Ko ngā ihirangi i hangaia i runga i tēnei pae he mea whakangahau anake. Kāore pea ngā whakaaro me ngā kōrero i tukuna i runga i tēnei paetukutuku e tautokona e CleanTechnica, ōna rangatira, ōna kaitautoko, ōna hononga, ōna apiti rānei, ā, kāore hoki e whakaata i ngā tirohanga a CleanTechnica, ōna rangatira, ōna kaitautoko, ōna hononga rānei.