High capacity anode materials for rechargeable sodium-ion batteries

Electrochemical techniques were used to study the reversible insertion of sodium into hard-carbon host structures at room temperature. The results were compared with those for lithium insertion in the same materials and demonstrate the presence of similar alkali metal insertion mechanisms in both ca...

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Bibliographic Details
Published in:Journal of the Electrochemical Society 2000-04, Vol.147 (4), p.1271-1273
Main Authors: STEVENS, D. A, DAHN, J. R
Format: Article
Language:English
Subjects:
ANODES
Applied sciences
CARBON
Direct energy conversion and energy accumulation
ELECTRIC BATTERIES
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
ENERGY STORAGE
Exact sciences and technology
LITHIUM
MATERIALS SCIENCE
SODIUM
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Summary:Electrochemical techniques were used to study the reversible insertion of sodium into hard-carbon host structures at room temperature. The results were compared with those for lithium insertion in the same materials and demonstrate the presence of similar alkali metal insertion mechanisms in both cases. Despite the gravimetric capacities being lower for sodium than lithium insertion, a reversible sodium capacity of 300 mAh/g, close to that for lithium insertion in graphitic carbon anode materials, was achieved. Such materials may therefore be useful as anodes in rechargeable sodium-ion batteries. 17 refs.
ISSN:0013-4651
1945-7111
DOI:10.1149/1.1393348