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Recent Patents on Nanotechnology


ISSN (Print): 1872-2105
ISSN (Online): 2212-4020

Carbon Nanomaterials Used as Conductive Additives in Lithium Ion Batteries

Author(s): Qingtang Zhang, Zuolong Yu, Ping Du and Ce Su

Volume 4, Issue 2, 2010

Page: [100 - 110] Pages: 11

DOI: 10.2174/187221010791208803

Price: $65


As the vital part of lithium ion batteries, conductive additives play important roles on the electrochemical performance of lithium ion batteries. They construct a conductive percolation network to increase and keep the electronic conductivity of electrode, enabling it charge and discharge faster. In addition, conductive additives absorb and retain electrolyte, allowing an intimate contact between the lithium ions and active materials. Carbon nanomaterials are carbon black, Super P, acetylene black, carbon nanofibers, and carbon naotubes, which all have superior properties such as low weight, high chemical inertia and high specific surface area. They are the ideal conductive additives for lithium ion batteries. This review will discuss some registered patents and relevant papers about the carbon nanomaterials that are used as conductive additives in cathode or anode to improve the electrochemical performance of lithium ion batteries.

Keywords: Carbon nanomaterials, carbon black, acetylene black, super P, carbon nanotubes, carbon fibers, conductive additives, cathode active materials, anode active materials, lithium ion batteries

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