Abstract

A high-capacity lithium-storage material in metal-oxide form has been synthesized that can replace the carbon-based lithium intercalation materials currently in extensive use as the negative electrode (anode) of lithium-ion rechargeable batteries. This tin-based amorphous composite oxide (TCO) contains Sn(II)-O as the active center for lithium insertion and other glass-forming elements, which make up an oxide network. The TCO anode yields a specific capacity for reversible lithium adsorption more than 50 percent higher than those of the carbon families that persists after charge-discharge cycling when coupled with a lithium cobalt oxide cathode. Lithium-7 nuclear magnetic resonance measurements evidenced the high ionic state of lithium retained in the charged state, in which TCO accepted 8 moles of lithium ions per unit mole.

Keywords

Lithium cobalt oxideLithium (medication)Lithium vanadium phosphate batteryAnodeMaterials scienceAmorphous solidTinInorganic chemistryOxideTin oxideElectrodeChemistryLithium-ion batteryMetallurgyBattery (electricity)Organic chemistry

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Publication Info

Year
1997
Type
article
Volume
276
Issue
5317
Pages
1395-1397
Citations
2559
Access
Closed

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Yoshio Idota, Tadahiko Kubota, Akihiro Matsufuji et al. (1997). Tin-Based Amorphous Oxide: A High-Capacity Lithium-Ion-Storage Material. Science , 276 (5317) , 1395-1397. https://doi.org/10.1126/science.276.5317.1395

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DOI
10.1126/science.276.5317.1395