Ion conductive material for secondary battery

Details Ion conductive material for secondary battery Ion conductive material for secondary battery

1996-10-18

1997-09-23

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429194, H01M 448

Patent

active

056702752

ABSTRACT:
A secondary battery is comprised of a positive electrode having a material intercalating alkali earth metal ions or lanthanoid metal ions reversibly, a negative electrode having a carbon composition intercalating those ions reversibly and an electrolyte having an organic solvent and a solute. The solute includes an alkali earth metal salt or a lanthanoid metal salt. The organic solvent is selected from a group comprising ethylene carbonate (EC), dimethyl carbonate (DMC) and vinylene carbonate (VC). The carbon composition is selected from a group comprising coke, refined coke with 99% or more purity, organic compound produced by calcined cellulose, graphite and glassy carbon.

REFERENCES:
patent: 4388227 (1983-06-01), Kalnin
patent: 4931240 (1990-06-01), Tajima et al.
patent: 5601949 (1997-02-01), Fujimoto et al.

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