Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1995-06-13
1997-03-18
Nuzzolillo, M.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429194, 429233, H01M 402
Patent
active
056121555
ABSTRACT:
A lithium ion secondary battery improved in large-current discharge characteristics, discharge capacity, and cycle life is disclosed. This lithium ion secondary battery includes a positive electrode, a negative electrode comprising a collector and carbon fibers held to the collector for absorbing and desorbing lithium ions, a separator arranged between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The carbon fibers have a radial orientation from an axis of the fibers, and 50 vol % or more of all carbon fibers are arranged such that an angle between an axis of each carbon fiber and a surface of the collector is 45.degree. or less.
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Proceedings of the Symposium on High Power Ambient Temperature Lithium Batteries, Oct. 13-17, 1991, pp. 80-89, N. Imanishi, et al., "The Structure and Charge-Discharge Characteristics of Mesophase-Pitch Based Carbons" (month N/A).
Asami Yoshiaki
Ohsaki Takahisa
Takami Norio
Kabushiki Kaisha Toshiba
Nuzzolillo M.
Toshiba Battery Co, Ltd.
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