Raw material composite for carbon material used in electric...

Details Raw material composite for carbon material used in electric... Raw material composite for carbon material used in electric...

2005-04-19

2005-04-19

Reichard, Dean A. (Department: 2831)

Electricity: electrical systems and devices

Electrolytic systems or devices

Double layer electrolytic capacitor

C361S503000, C361S504000, C361S508000, C361S512000, C361S516000

Reexamination Certificate

active

06882517

ABSTRACT:
A raw material composite 10 for a carbon material used in an electric double layer capacitor contains microcrystalline carbon having a layered crystal structure similar to graphite, and is formed a carbon material for an electric double layer capacitor by undergoing an activation treatment. Here, the raw material composite is characterized in that a Hardgrove grindability index HGI defined by ASTMD-409-71 is 50 or above, an interlayer distance d002of the microcrystalline carbon determined by an X-ray diffraction method is 0.343 NM or below, and a crystallite size Lc002of the microcrystalline carbon determined by the X-ray diffraction method is 3.0 nm or below.

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International Preliminary Examination Report of PCT/JP02/05292, dated Jul. 22, 2003.

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