title: ZnFe2O4-C/LiFePO4-CNT: A Novel High-Power Lithium-Ion Battery with Excellent Cycling Performance.
abstract: An innovative and environmentally friendly battery chemistry is proposed for high power applications. A carbon-coated ZnFe2O4nanoparticle-based anode and a LiFePO4-multiwalled carbon nanotube-based cathode, both aqueous processed with Na-carboxymethyl cellulose, are combined, for the first time, in a Li-ion full cell with exceptional electrochemical performance. Such novel battery shows remarkable rate capabilities, delivering 50% of its nominal capacity at currents corresponding to ≈20C (with respect to the limiting cathode). Furthermore, the pre-lithiation of the negative electrode offers the possibility of tuning the cell potential and, therefore, achieving remarkable gravimetric energy and power density values of 202 Wh kg-1and 3.72 W kg-1, respectively, in addition to grant a lithium reservoir. The high reversibility of the system enables sustaining more than 10 000 cycles at elevated C-rates (≈10C with respect to the LiFePO4cathode), while retaining up to 85% of its initial capacity.
authors.affiliation: Institute of Physical Chemistry &, MEET Battery Research Center University of Muenster Corrensstrasse 28/30 & 46, 48149, Münster, Germany.
authors.forename: Alberto
authors.initials: A
authors.lastname: Varzi
authors.affiliation: Institute of Physical Chemistry &, MEET Battery Research Center University of Muenster Corrensstrasse 28/30 & 46, 48149, Münster, Germany.
authors.forename: Dominic
authors.initials: D
authors.lastname: Bresser
authors.affiliation: Institute of Physical Chemistry &, MEET Battery Research Center University of Muenster Corrensstrasse 28/30 & 46, 48149, Münster, Germany.
authors.forename: Jan
authors.initials: J
authors.lastname: von Zamory
authors.affiliation: Institute of Physical Chemistry &, MEET Battery Research Center University of Muenster Corrensstrasse 28/30 & 46, 48149, Münster, Germany.
authors.forename: Franziska
authors.initials: F
authors.lastname: Müller
authors.affiliation: Institute of Physical Chemistry &, MEET Battery Research Center University of Muenster Corrensstrasse 28/30 & 46, 48149, Münster, Germany ; Helmholtz Institute Ulm Albert Einstein Allee 11, 89097, Ulm, Germany.
authors.forename: Stefano
authors.initials: S
authors.lastname: Passerini
keywords: LiFePO4; ZnFe2O4; carbon nanotubes; lithium-ion batteries; nanoparticles