Lithium-ion capacitor

Details Lithium-ion capacitor Lithium-ion capacitor

2007-10-18

2010-12-07

Ha, Nguyen T (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Solid electrolytic capacitor

C361S502000, C361S504000, C361S512000, C361S523000, C361S528000

Reexamination Certificate

active

07848081

ABSTRACT:
The invention provides a negative electrode material for use with a lithium-ion capacitor, which is high in energy density, output density and excellent in durability. When graphite of which an average distance between 002 lattice planes thereof is within a range from 0.335 nm to 0.337 nm is used for an active material of a negative electrode of a lithium-ion capacitor, the energy density of the capacitor is increased. The output characteristic and the cycle durability can be improved when D10, D50and D90are set within predetermined ranges.

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