Capturing and reducing defects

Jacob Choe and Jong Min Yuk ()
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Jacob Choe: Korea Advanced Institute of Science and Technology (KAIST)
Jong Min Yuk: Korea Advanced Institute of Science and Technology (KAIST)

Nature Energy, 2023, vol. 8, issue 10, 1063-1064

Abstract: Sodium superionic conductor (NASICON)-type polyanionic materials are promising cathodes for sodium-ion batteries, but they suffer from voltage hysteresis issues that cause cycling instability. Now, a new type of defect in NASICONs is unravelled as the root cause of voltage hysteresis, and molybdenum doping is shown to decrease defect concentration, improving capacity and cyclability.

Date: 2023
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DOI: 10.1038/s41560-023-01318-4

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