Sabuwar mako da sabon baturi. Yanzu wayoyin da aka yi da nanoparticles na manganese da titanium oxides maimakon cobalt da nickel.
Abubuwa
Masana kimiyya daga Jami'ar Yokohama (Japan) sun buga wata takarda ta bincike kan sel wanda cobalt (Co) da nickel (Ni) aka maye gurbinsu da oxides na titanium (Ti) da manganese (Mn), ƙasa zuwa matakin da girman barbashi. suna cikin ɗaruruwa. nanometers. Kwayoyin ya kamata su kasance masu rahusa don ƙirƙira kuma suna da ƙarfin kwatankwacin ko fiye da ƙwayoyin lithium-ion na zamani.
Rashin cobalt da nickel a cikin baturan lithium-ion yana nufin ƙananan farashi.
Abubuwan da ke ciki
- Rashin cobalt da nickel a cikin baturan lithium-ion yana nufin ƙananan farashi.
- Menene aka samu a Japan?
Kwayoyin lithium-ion na yau da kullun ana kera su ta amfani da fasahohi daban-daban da nau'ikan abubuwa daban-daban da mahaɗan sinadarai da ake amfani da su a cikin cathode. Mafi mahimmanci iri sune:
- NCM ko NMC - watau. dangane da nickel-cobalt-manganese cathode; Yawancin masu kera motocin lantarki ne ke amfani da su,
- NKA - i.e. dangane da nickel-cobalt-aluminum cathode; Tesla yana amfani da su
- LFP - bisa ga baƙin ƙarfe phosphates; BYD suna amfani da su, wasu samfuran China suna amfani da su a cikin bas,
- LCO - dangane da cobalt oxides; ba mu san mai kera mota da zai yi amfani da su ba, amma sun bayyana a cikin kayan lantarki,
- LMOs - i.e. dangane da manganese oxides.
Ana sauƙaƙe rabuwa ta kasancewar hanyoyin haɗin yanar gizon da ke haɗa fasaha (misali, NCMA). Bugu da ƙari, cathode ba kome ba ne, akwai kuma electrolyte da anode.
> Samsung SDI tare da baturin lithium-ion: graphite yau, ba da daɗewa ba silicon, ba da daɗewa ba ƙwayoyin ƙarfe na lithium da kewayon 360-420 km a cikin BMW i3
Babban burin mafi yawan bincike akan ƙwayoyin lithium-ion shine ƙara ƙarfin su (yawancin makamashi), amincin aiki da saurin caji yayin tsawaita rayuwar sabis. yayin rage farashi... Babban tanadin farashi ya fito ne daga kawar da cobalt da nickel, abubuwa biyu mafi tsada, daga sel. Cobalt yana da matsala musamman saboda ana hako shi a Afirka, galibi ana amfani da yara.
Manyan masana'antun da suka fi ci gaba a yau suna cikin lambobi ɗaya (Tesla: kashi 3) ko ƙasa da kashi 10.
Menene aka samu a Japan?
Masu binciken Yokohama sun ce sun yi nasarar maye gurbin cobalt da nickel gaba daya da titanium da manganese. Don ƙara ƙarfin ƙarfin lantarki, sun niƙa wasu oxides (wataƙila manganese da titanium) ta yadda barbashi ya kai nanometer ɗari da yawa. Nika hanya ce da aka saba amfani da ita saboda, idan aka ba da girman kayan, yana haɓaka sararin saman kayan.
Bugu da ƙari, mafi girman filin sararin samaniya, yawancin ƙugiya da raguwa a cikin tsarin, mafi girman ƙarfin lantarki.
Sakin ya nuna cewa masana kimiyya sun yi nasarar ƙirƙirar samfurin sel tare da kyawawan kaddarorin kuma yanzu suna neman abokan haɗin gwiwa a cikin kamfanonin masana'antu. Mataki na gaba zai zama babban gwaji na jimiri, sannan ƙoƙari na samarwa da yawa. Idan sigogin su suna da alƙawarin, za su kai ga motocin lantarki nan da shekarar 2025..
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