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.
References
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- We gratefully acknowledge our colleagues at Fuji Photo Film: Y. Miyaki M. Mishima and K. Goda contributed to the synthesis and structural optimization of TCOs and Y. Kagawa Y. Mineo and H. Asanuma contributed to x-ray diffraction and 7 Li-NMR analysis.
Dates
Type | When |
---|---|
Created | 23 years ago (July 27, 2002, 5:50 a.m.) |
Deposited | 1 year, 7 months ago (Jan. 12, 2024, 10:57 p.m.) |
Indexed | 1 week, 6 days ago (Aug. 7, 2025, 4:22 p.m.) |
Issued | 28 years, 2 months ago (May 30, 1997) |
Published | 28 years, 2 months ago (May 30, 1997) |
Published Print | 28 years, 2 months ago (May 30, 1997) |
@article{Idota_1997, title={Tin-Based Amorphous Oxide: A High-Capacity Lithium-Ion-Storage Material}, volume={276}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.276.5317.1395}, DOI={10.1126/science.276.5317.1395}, number={5317}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Idota, Yoshio and Kubota, Tadahiko and Matsufuji, Akihiro and Maekawa, Yukio and Miyasaka, Tsutomu}, year={1997}, month=may, pages={1395–1397} }