(724g) Preparation of Lithium Ion Battery Cathode Composites Using Leonardite-Derived Humic Acid
- Conference: AIChE Annual Meeting
- Year: 2018
- Proceeding: 2018 AIChE Annual Meeting
- Group: Sustainable Engineering Forum
- Time: Thursday, November 1, 2018 - 5:18pm-5:36pm
Graphene can be used to greatly improve the performance of lithium ion batteries by increasing energy density, decreasing internal resistance, and improving cycling stability and low-temperature performance. High molecular weight humic acid has properties very similar to graphene oxide and has been shown to be capable of yielding graphene upon reduction. North Dakota leonardite is a form of oxidized, low-rank coal which has been found to have high levels of humic acid. This study focuses on using leonardite-derived humic acid to prepare a graphene-modified cathode material for lithium ion batteries, and the effect the modified cathode has on the electrochemical performance of the cell.
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