Lithium ion battery electrode

摘要

A lithium ion battery electrode includes an electrode material layer. The lithium ion battery electrode further includes a current collector. The current collector is located on a surface of the electrode material layer. The current collector is a carbon nanotube layer. The carbon nanotube layer consists of a number of carbon nanotubes.

主权项

1. A lithium ion battery electrode of a lithium ion battery comprising:
an electrode material layer; and a current collector, attached to a surface of the electrode material layer, being configured to collect charge generated by the lithium ion battery during discharge and connect an external power source during the recharging of the lithium ion battery; wherein the current collector is a carbon nanotube layer consisting of a plurality of carbon nanotubes substantially aligned along a same direction, the electrode material layer and the carbon nanotube layer are two separate layers; the electrode material layer consists of a second plurality of carbon nanotubes forming a net structure and a plurality of electrode active material particles, and the plurality of electrode active material particles is wrapped by the second plurality of carbon nanotubes; and the plurality of electrode active material particles is selected from the group consisting of lithium manganate, lithium cobalt oxide, lithium nickel oxide, lithium iron phosphate, natural graphite, pyrolysis carbon, and mesocarbon microbeads.