Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1995-07-19
1997-06-24
Maples, John S.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429209, 429223, 429229, 296235, H01M 458, H01M 442, H01M 1000
Patent
active
056415915
ABSTRACT:
A rechargeable battery consisting of an anode, a cathode, a separator which is placed between the anode and the cathode and an electrolyte or electrolyte solution in contact with the anode and the cathode. The anode has an electrically conductive material which contains insulating or semiconductor film. The film covers protrusions present in the electrically conductive material. An opening between adjacent protrusions communicates with the electrical conductive material. Additionally, the electrically conductive material of the anode and the cathode contact the electrolyte through this opening. The rechargeable battery because of increased capacity and increased energy density has a prolonged charging and discharging life cycle. Moreover, the generation and growth of lithium or zinc dendrites are prevented.
REFERENCES:
patent: 5401599 (1995-03-01), Tahara et al.
Journal of Applied Electrochemistry, vol. 22, No. 7, Jul. 1992, N. Kumagai et al., "Cycling Behaviour of Lithium-Aluminium Alloys Formed on Various Aluminium Substrates as Negative Electrodes in Secondary Lithium Cells".
Asao Masaya
Kawakami Soichiro
Kobayashi Naoya
Mishina Shinya
Canon Kabushiki Kaisha
Maples John S.
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