Chinese researchers achieve 206 Wh/kg energy density in sodium-ion battery cell

Researchers in China demonstrated an iron-mediated cathode strategy that improves sodium-ion battery performance to 206 Wh/kg, approaching performance levels needed for grid and vehicle applications.

First covered Sep 10, 2026 · 10:52 PM PT · 1 article · no longer in the live window

Chinese researchers achieve 206 Wh/kg energy density in sodium-ion battery cell — Image via pv-magazine.com

Coverage

16d PV Magazine Iron-mediated cathode enables 206 Wh/kg sodium-ion pouch cell — Chinese researchers have developed an iron-mediated strategy that improves the reversibility and stability of lattice-oxygen redox reactions in sodium-ion…

More coverage from around the web

cnevpost.com BAIC unveils sodium-ion breakthrough, joining China's battery push - CnEVPost

ess-news.com Sodium-ion cells launched for energy storage by another Chinese mid-tier battery company - Energy Storage

ess-news.com Advanced sodium-ion battery prototypes now approaching 200 Wh/kg - Energy Storage

image-ppubs.uspto.gov Metal-doped sodium vanadium fluorophosphate/sodium vanadium phosphate (Na3V2(PO4)2F3/Na3V2(PO4)3) composite for sodium-ion storage material

thebatteryshow.asia Sodium-Ion Battery Technology Breakthroughs in China Are Driving the Energy Future - The Battery Show Asia

Appeared in: 2026-09-11 (#3)

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