Abstract
Lithium ion battery demand is expected to increase 10x over the next decade. Much of the materials for lithium ion batteries are sourced from overseas. The United States possesses vast coal reserves that have historically been used to generate electricity. That application is on the decline as cleaner sources of electricity are brought online, which leads to economic impact in coal-producing regions. Coal could also serve as a carbon source for battery-grade graphite if sufficient production procedures are developed. This group has been developing coal-derived graphite for these applications.This presentation will discuss our efforts to develop coal-derived graphite and integrate it into lithium ion batteries. Typical formation cycles, charge/discharge cycling, and HPPC profiles will be presented. The performance of lithium ion batteries containing coal-derived graphite will be compared to those containing only typical battery-grade graphite. Future directions will be discussed, including possible performance impacts and preliminary techno-economic assessments.
Published Version
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