Anode for lithium-ion battery
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United States of America Patent
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Apr 29, 2003
Grant Date -
N/A
app pub date -
Jun 20, 2000
filing date -
Jun 20, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An anode for a lithium-ion battery is presented as well as a process for producing an anode for a lithium-ion battery. The anode is formed from a generally continuous sheet of particles of exfoliated graphite having a thickness of no more than about 350 microns, itself or in a laminate with a metallic substrate. The process involves laminating particles of exfoliated graphite to a metallic substrate, such that the particles of exfoliated graphite form a generally continuous sheet of graphite having a thickness of no more than about 350 microns. The inventive anode reduces or eliminates capacity fading due to contact loss and has superior permeability to lithium.
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