Return_of_Chippy@lemmy.world to Technology@lemmy.worldEnglish · 17 days agoNew sodium-ion battery skips mechanical cooling with 97.9% efficiencyinterestingengineering.comexternal-linkmessage-square95fedilinkarrow-up1538arrow-down111file-text
arrow-up1527arrow-down1external-linkNew sodium-ion battery skips mechanical cooling with 97.9% efficiencyinterestingengineering.comReturn_of_Chippy@lemmy.world to Technology@lemmy.worldEnglish · 17 days agomessage-square95fedilinkfile-text
minus-squarelime!@feddit.nulinkfedilinkEnglisharrow-up4·16 days agoi think the big issue is asymmetry. they charge at 3C, but they discharge at 8C. so you need the significantly overbuild.
i think the big issue is asymmetry. they charge at 3C, but they discharge at 8C. so you need the significantly overbuild.