Molded article for negative electrode, method of producing the s

Details Molded article for negative electrode, method of producing the s Molded article for negative electrode, method of producing the s

1992-08-06

1993-08-24

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429218, 264 291, 423445, H01M 1040

Patent

active

052387607

ABSTRACT:
A mixture of carbon powder and a carbonaceous binder is molded and pyrolyzed in an atmosphere of nitrogen to form a carbon molded article for a negative electrode. The properties of the carbon molded article are: an interfacial distance (d002) within a range from 3.38 .ANG. to 3.56 .ANG. measured by X-ray diffraction; and a three-point strength of 100 kgf/cm.sup.2 or greater at room temperature. A lithium secondary battery formed by using this carbon molded article as the negative electrode has a high energy density per unit volume and advantageous charge-discharge characteristics for higher loads.

REFERENCES:
patent: 4702977 (1987-10-01), Hiratsuka et al.
patent: 4725422 (1988-02-01), Miyabayashi et al.
patent: 4865931 (1989-09-01), McCullough, Jr. et al.
patent: 4980250 (1990-12-01), Takahashi et al.

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