Kodi mabatire olimba amakhudzidwa ndi kuzizira?

momwe kuzizira kumakhudzira mabatire olimbandipo chikuchitika ndi chiyani pa izi:

Chifukwa chiyani kuzizira ndi vuto

1. Kutsika kwa ma ionic conductivity

   • Ma electrolyte olimba (ceramics, sulfides, polima) amadalira ma ayoni a lithiamu omwe amadumphira m'mapangidwe olimba a kristalo kapena polima.

   • Pa kutentha kochepa, kusinthasintha kumeneku kumachepa, koterokukana kwamkati kumawonjezekandi kuchepa kwa mphamvu yotumizira.

2. Mavuto a mawonekedwe

   • Mu batire yolimba, kukhudzana pakati pa electrolyte yolimba ndi ma electrode ndikofunikira.

   • Kutentha kozizira kumatha kuchepetsa zinthu pamlingo wosiyanasiyana, zomwe zimapangitsa kutimipata yaying'onopa malo olumikizirana → zomwe zimapangitsa kuti kuyenda kwa ayoni kukhale koipa.

3. Kuvuta kwa kulipiritsa

   • Monga mabatire amadzimadzi a lithiamu-ion, kuyatsa pa kutentha kochepa kwambiri kungakhale ndi zotsatirapo zoyipa.chophimba cha lithiamu(chitsulo cha lithiamu chomwe chimapanga anode).

   • Mu mkhalidwe wolimba, izi zitha kuwononga kwambiri chifukwa ma dendrites (malo okhala ngati singano a lithiamu) amatha kuswa electrolyte yolimba.

Poyerekeza ndi lithiamu-ion wamba

• Lithium-ion yamadzimadzi: Kuzizira kumapangitsa kuti madziwo akhale okhuthala (osayendetsa bwino mphamvu), amachepetsa liwiro la kuyatsa ndi kutha kwa kuyatsa.

• Lithium-ion yolimba: Ndi bwino kuzizira (palibe madzi oundana/otuluka), komaimatayabe mphamvu yoyendetsera mpweyachifukwa zinthu zolimba sizinyamula ma ayoni bwino kutentha kochepa.

Mayankho omwe alipo panopa mu kafukufuku

1. Ma electrolyte a sulfide

   • Ma electrolyte ena olimba okhala ndi sulfide amasunga mphamvu yotsika ngakhale pansi pa 0 °C.

   • Zabwino kwambiri kwa magalimoto amagetsi m'madera ozizira.

2. Mitundu yosiyanasiyana ya polymer-ceramic

   • Kuphatikiza ma polima osinthasintha ndi tinthu ta ceramic kumathandizira kuti ma ion ayende bwino kutentha kochepa komanso kumateteza.

3. Uinjiniya wa mawonekedwe

   • Zophimba kapena zigawo za buffer zikupangidwa kuti zisunge kulumikizana kwa electrode-electrolyte kukhala kolimba panthawi ya kusintha kwa kutentha.

4. Makina otenthetsera magetsi mu magalimoto amagetsi

   • Monga momwe ma EV amakono amatenthetsera mabatire amadzimadzi asanachajidwe, ma EV amtsogolo angagwiritse ntchitokasamalidwe ka kutenthakuti maselo azikhala pamalo oyenera (15–35 °C).

Chidule:
Mabatire olimba amakhudzidwadi ndi kuzizira, makamaka chifukwa cha kuchepa kwa mphamvu ya ma ion komanso kukana kwa mawonekedwe. Akadali otetezeka kuposa lithiamu-ion yamadzimadzi m'mikhalidwe imeneyo, komamagwiridwe antchito (kutalika, kuchuluka kwa chaji, mphamvu yotulutsa) ikhoza kutsika kwambiri pansi pa 0 °COfufuza akugwira ntchito mwakhama pa ma electrolyte ndi mapangidwe omwe amakhalabe oyenda bwino mumlengalenga kuzizira, cholinga chake ndi kugwiritsa ntchito modalirika mu ma EV ngakhale m'nyengo yozizira.