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Performance and Ageing Robustness of Graphite/NMC Pouch Prototypes Manufactured through Eco-Friendly Materials and Processes

TitoloPerformance and Ageing Robustness of Graphite/NMC Pouch Prototypes Manufactured through Eco-Friendly Materials and Processes
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2017
AutoriLoeffler, N., Kim G.-T., Passerini S., Gutierrez C., Cendoya I., De Meatza I., Alessandrini F., and Appetecchi Giovanni Battista
RivistaChemSusChem
Volume10
Paginazione3581-3587
ISSN18645631
Parole chiaveAutomotive applications, Capacity retention, Carboxy-methyl cellulose, Cell manufacturing, Charge/discharge cycle, chemistry, cobalt, Eco-friendly materials, Electric conductivity, Electric Power Supplies, Electrodes, Graphite, Green chemistry, Green Chemistry Technology, Lithium, Lithium compounds, Lithium manganese oxide, Lithium-ion batteries, Manganese, Manganese oxide, Manganese-cobalt oxides, Manufacture, Nickel, oxide, Oxides, power supply, Testing, Water-soluble materials
Abstract

Graphite/lithium nickel-manganese-cobalt oxide (NMC), stacked pouch cells with nominal capacity of 15–18 Ah were designed, developed, and manufactured for automotive applications in the frame of the European Project GREENLION. A natural, water-soluble material was used as the main electrode binder, thus allowing the employment of H2O as the only processing solvent. The electrode formulations were developed, optimized, and upscaled for cell manufacturing. Prolonged cycling and ageing tests revealed excellent capacity retention and robustness toward degradation phenomena. For instance, above 99 % of the initial capacity is retained upon 500 full charge/discharge cycles, corresponding to a fading of 0.004 % per cycle, and about 80 % of the initial capacity is delivered after 8 months ageing at 45 °C. The stacked soft-packaged cells have shown very reproducible characteristics and performance, reflecting the goodness of design and manufacturing. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

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cited By 1

URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85028018832&doi=10.1002%2fcssc.201701087&partnerID=40&md5=b47cf0c935539bddad01ab1d81086402
DOI10.1002/cssc.201701087
Citation KeyLoeffler20173581