Kubudirira muLithium-Ion Battery Recycling Technology

Ongororo yazvino yakabudiswa muna Chikunguru 29 mujenariAdvanced Functional Materialsinotsanangura nzira inokurumidza, inoshanda, uye ine hushamwari hwezvakatipoteredza yekusarudza lithium kupora uchishandisa microwave mwaranzi uye nyore biodegradable solvent. Vatsvagiri veRice University kuUnited States vakagadzira iyi nzira itsva, iyo inogona kudzoreredza kusvika ku50% yelithium kubva pakashandiswa lithium-ion bhatiri (LIB) cathodes mumasekonzi makumi matatu chete, kugadzirisa bhodhoro rakakosha muLIB recycling tekinoroji.

Parizvino, kudiwa kwelithium, simbi-chena simbi, kuri kuwedzera, kudarika kuwanikwa.

Nzira dzechinyakare dzekudzoreredza lithium kubva kumabhatiri akashandiswa dzinokuvadza nharaunda uye hadzina hunyanzvi. Matambudziko makuru anosanganisira kusvibiswa kwelithium uye kurasikirwa panguva yekudzoreredza maitiro, pamwe chete nekushandiswa kwakanyanya kwesimba. Sezvo lithium inowanzobviswa mushure memamwe simbi, vaongorori vakatsvaga nzira dzakanangana ne lithium kupora.

Muchidzidzo ichi, vatsvakurudzi vakashandisa musanganiswa we choline chloride uye ethylene glycol seyakadzika eutectic solvent (DES). Vakamboona kuti panguva yekuita leaching neDES, lithium ions yakakomberedzwa nechloride ion kubva kucholine chloride uye inonyudzwa mumhinduro.

Kuti ubvise dzimwe simbi dzakadai secobalt kana nickel, zvose choline chloride uye ethylene glycol zvinodiwa. Pakati pezvinhu izvi, choline chloride chete ndiyo inobata ma microwaves. Vatsvagiri vakanyudza tsvina yebhatiri musolvent uye vakaisa microwave radiation, ichigonesa kusarudza lithium leaching kubva kune mamwe masimbi.

Kushandisa microwave radiation mukuita uku kwakafanana nekupisa chikafu nekukurumidza mukicheni microwave oveni. Simba rinoendeswa zvakananga kumamorekuru, zvichiita kuti mhinduro yacho ikurumidze kupfuura nzira dzekudziya dzechinyakare.

Vatsvagiri vakawana kuti neiyo microwave process, leaching 87% yelithium yakatora maminetsi gumi nemashanu, nepo kuwana muyero wakafanana wekudzoreredza nekudziya kwemafuta ekugezesa kunoda maawa gumi nemaviri. Iyi nzira yepasi inovandudza zvakanyanya kugona kwehupfumi uye mhedzisiro yezvakatipoteredza yelithium-ion bhatiri recycling, ichipa mhinduro nyowani kudambudziko riri kukura repasi rose.

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