Raw material charcoal composition for negative electrode material of lithium ion secondary battery and method for producing the same
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United States of America Patent
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Apr 15, 2014
Grant Date -
Oct 21, 2010
app pub date -
Nov 6, 2008
filing date -
Nov 8, 2007
priority date (Note) -
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Abstract
In the raw coke composition of the invention, as the starting material for a negative electrode material of a lithium ion secondary battery, the ratio of the crystallite size Lc(002) and lattice constant co(002) (Lc(002)/co(002)) on the 002 plane is no greater than 180, and the ratio of the crystallite size La(110) and the lattice constant ao(110) (La(110)/ao(110)) on the 110 plane is no greater than 1500, as determined by X-ray diffraction upon graphitizing in an inert gas atmosphere at a temperature of 2800° C.
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International Classification(s)
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- C10L:FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYN....
- C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....
- H01B:CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATER....
- C10G:CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HY....
- C10C:WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNE....
- C01D:COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, ....
- H01G:CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWI....
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