Design and performance of 10 Wh rechargeable lithium batteries

New metal—carbon composite anodes were developed by a chemical deposition method of metal particles onto graphite powder. Silver—graphite composites consisted of ultrafine silver particles on a graphite surface, exhibiting a large specific volume capacity of 468–505 Ah/l which may be due to Li Ag al...

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Bibliographic Details
Published in:Journal of power sources 1997-10, Vol.68 (2), p.436-439
Main Authors: Nishimura, K., Honbo, H., Takeuchi, S., Horiba, T., Oda, M., Koseki, M., Muranaka, Y., Kozono, Y., Miyadera, H.
Format: Article
Language:English
Subjects:
Applied sciences
Cycleability
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Metal—carbon composite anodes
Rechargeable lithium batteries
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Summary:New metal—carbon composite anodes were developed by a chemical deposition method of metal particles onto graphite powder. Silver—graphite composites consisted of ultrafine silver particles on a graphite surface, exhibiting a large specific volume capacity of 468–505 Ah/l which may be due to Li Ag alloy formation. The Ag—graphite anodes also showed excellent cycleability over 700 charge/discharge cycles with only 3% capacity loss. 10 Wh class rechargeable lithium batteries with energy densities of 270–300 Wh/l were manufactured using Ag—graphite anodes and cathodes of LiNiO 2 or LiCoO 2. Little capacity loss in these batteries was found even after 250 cycles because of the highly durable Ag—graphite anodes.
ISSN:0378-7753
1873-2755
DOI:10.1016/S0378-7753(97)02534-2