Advanced and Emerging Negative Electrodes for Li-Ion Capacitors: Pragmatism vs. Performance

Samson Yuxiu Lai, Carmen Cavallo, Muhammad E. Abdelhamid, Fengliu Lou and Alexey Y. Koposov
Additional contact information
Samson Yuxiu Lai: Battery Technology Department, Institute for Energy Technology (IFE), 2007 Kjeller, Norway
Carmen Cavallo: Center for Materials Science and Nanotechnology, Department of Chemistry, University of Oslo, P.O. Box 1033, Blindern, 0371 Oslo, Norway
Muhammad E. Abdelhamid: Battery Technology Department, Institute for Energy Technology (IFE), 2007 Kjeller, Norway
Fengliu Lou: Beyonder AS, 4313 Stavanger, Norway
Alexey Y. Koposov: Battery Technology Department, Institute for Energy Technology (IFE), 2007 Kjeller, Norway

Energies, 2021, vol. 14, issue 11, 1-24

Abstract: Li-ion capacitors (LICs) are designed to achieve high power and energy densities using a carbon-based material as a positive electrode coupled with a negative electrode often adopted from Li-ion batteries. However, such adoption cannot be direct and requires additional materials optimization. Furthermore, for the desired device’s performance, a proper design of the electrodes is necessary to balance the different charge storage mechanisms. The negative electrode with an intercalation or alloying active material must provide the high rate performance and long-term cycling ability necessary for LIC functionality—a primary challenge for the design of these energy-storage devices. In addition, the search for new active materials must also consider the need for environmentally friendly chemistry and the sustainable availability of key elements. With these factors in mind, this review evaluates advanced and emerging materials used as high-rate anodes in LICs from the perspective of their practical implementation.

Keywords: Li-ion capacitor; negative electrode; anode; prelithiation; key performance indicators (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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