Expanded graphite as a superior anode for sodium-ion batteries
Green Car Congress
JUNE 8, 2014
to enlarge the interlayer lattice distance to accomodate the larger sodium ions. The oxygen atoms bond with each carbon layer, pushing and holding them apart. However, the resulting material is inevitably “overstuffed,” leaving no room for sodium ions to get in. They won’t be as powerful as lithium-ion batteries.
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