Motokari dzemagetsi dziripo iye zvino hadzisati dzaonekwa seimwe nzira nekuda kwezvikonzero zviri pachena: Hapana munhu anoda kutora rwendo rurefu asingazive kana mota yavo inokwanisa kusvika kwainoda kuenda. Zviri nyore seizvi…
Lithium-ion mabhatiri aripo iye zvino haana kukwana, sezvo asingakwanise kupfuura chinangwa che200 km yekuzvitonga. Iwo akanakira nharembozha uye pamwe kune mamwe malaptop, ikozvino emota…
Asi maererano ne "New Scientist", IBM masayendisiti anga achishanda mukugadzira lithium-air bhatiri, inokwanisa kuita kuti motokari yemagetsi ifambe anenge 800 km pamubhadharo mumwe (inenge kaviri huwandu hwemotokari zhinji kune peturu kana ethanol uye kashanu. kupfuura ikozvino lithium-ion mabhatiri). Kana zvakadaro, mota dzemagetsi dzinovimbisa kushandura indasitiri yemotokari munguva pfupi iri kutevera.
Kunyange zvazvo ndisiri “nyanzvi” mubasa, ndichakurumidza kutsanangura kuti mabhatiri e-lithium-air anoshanda sei, uye kana ndakanganisa, inzwa wakasununguka kundiruramisa. Iri rudzi rutsva rwebhatiri, pachinzvimbo chekushandisa simbi oxides, inoshandisa kabhoni (yakareruka uye yakachipa) iyo inopindirana neokisijeni mumhepo yakadzika kugadzira magetsi. Chimwe chinhu chakakosha ndechekuti simba rayo rekufungidzira rakapetwa ka1,000 kupfuura yebhatiri ye lithium-ion, izvo zvinoita kuti zvikwanise kukwikwidza nemota dzepeturu.
Asi hazvisi zvese zvakanaka, kana kuzvitonga kuchiita senge dambudziko rakagadziriswa, kusagadzikana kwemakemikari kuchiri musoro kune vesainzi, nekuti mabhatiri e-lithium-air haatsigire machaji mazhinji uye kubuda, nokudaro achidzikamisa hupenyu hwavo hunobatsira. Winfried Wilcke, nyanzvi yefizikisi paIBM lab, akataura kuti chikonzero chekukurumidza kuparara uku chawanikwa uye parizvino ari kushanda pakugadzirisa dambudziko iri. Chimwe chinogumbura kushaikwa kwekuchengetedzwa kwebhatiri, nekuti lithiamu yakasanganiswa nemvura inongopisa, nokudaro inova njodzi mumvura kana munguva dzekunyorova kwakanyanya.
Boka reBattery 500, rinotungamirwa neIBM, rinotarisira kuve neyakakwana prototype yakagadzirira panosvika 2013 uye inotarisira kushambadzira kwayo mumakore gumi anotevera.
Chinyorwa: Tiago Luís