Blar i NTNU Open på forfatter "Blanco, Maria Valeria"
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Chemical and morphological insights on the initial lithiation and delithiation of SiO2 anodes for Lithium-ion Batteries
Hjelseng, Kristianne Nilsen-Nygaard (Master thesis, 2023)Litium-ion batterier (LIB-er) dominerer batterimarkedet for bærbare elektroniske enheter og har en utbredt anvendelse i det voksende markedet for bilindustrien og stasjonær energilagring. De mest vanlige katodematerialene ... -
Comparing LiFSI and LiPF6 electrolytes for Algae based Silica Anodes in Li-ion Batteries
Korneliussen, Anne-Line Berg (Master thesis, 2020)Energiteknologi har en stor innvirkning på samfunnet vårt, alt fra miljøutfordringer og økonomisk utvikling til forbruker elektronikk og transportsektoren påvirkes av energiteknologi. I fremtiden vil energiteknologier, ... -
Electrochemical activation of a diatom-derived SiO<inf>2</inf>/C composite anode and its implementation in a lithium ion battery
Renman, Viktor; Blanco, Maria Valeria; Norberg, Andreas Nicolai; Vullum-Bruer, Fride; Svensson, Ann Mari (Peer reviewed; Journal article, 2021)Nano-architectured silica is extracted from algae harvested in the ocean. Its electrochemical properties are investigated as an anode material for lithium ion batteries. The beneficial effect of a carbon coating formed by ... -
Enabling the use of lithium bis(trifluoromethanesulfonyl)imide as electrolyte salt for Li-ion batteries based on silicon anodes and Li(Ni0.4Co0.4Mn0.2)O2 cathodes by salt additives
Asheim, Karina; Holsen, I.F.; Renmann, V.; Blanco, Maria Valeria; Vullum, Per Erik; Wagner, Nils Peter; Mæhlen, Jan Petter; Svensson, Ann Mari (Journal article; Peer reviewed, 2024)Lithium bis(trifluoromethanesulfonyl)imide (LiFSI) is a promising alternative salt for Li-ion batteries. Unlike the conventional LiPF6, it is not prone to HF formation, and thus resistant to moisture. However, for cell ... -
Influence of Electrolyte Additives on the Electrochemical Performance of Cultured Diatom SiOx–Graphite Anodes for Li-ion Batteries
Svarverud, Annlinn Chen (Master thesis, 2024)Litium-ion-batterier (LIB-er) befinner seg helt i fronten at dagens batteriteknologi, kjent for sin høye energitetthet, lange levetid og stabile effektytelse. På tross av den utbredte bruken av grafitt som anodemateriale, ... -
Insights on microstructural evolution and capacity fade on diatom SiO <inf>2</inf> anodes for lithium-ion batteries
Hua, Weicheng; Nylund, Inger-Emma; Cova, Federico Hector; Svensson, Ann Mari; Blanco, Maria Valeria (Peer reviewed; Journal article, 2023)is a promising material for developing high-capacity anodes for lithium-ion batteries (LIBs). However, microstructural changes of anodes at the particle and electrode level upon prolonged cycling remains unclear. In this ... -
Nanostructured diatom earth SiO2 negative electrodes with superior electrochemical performance for lithium ion batteries
Blanco, Maria Valeria; Renman, Viktor; Vullum-Bruer, Fride; Svensson, Ann Mari (Peer reviewed; Journal article, 2020)Diatomaceous earth (DE) is a naturally occurring silica source constituted by fossilized remains of diatoms, a type of hard-shelled algae, which exhibits a complex hierarchically nanostructured porous silica network. In ... -
Optimizing carbon coating parameters for obtaining SiO2/C anodes with improved electrochemical performance
Blanco, Maria Valeria; Renman, Viktor; Zhu, Jiefang; Vullum-Bruer, Fride; Svensson, Ann Mari (Peer reviewed; Journal article, 2021)In this work, we present a comprehensive and systematic study on the use of low-cost and highly abundant carbon precursors to obtain SiO2/C anodes with superior electrochemical performance towards Li-ions. Different SiO2/C ... -
SiOₓ from magnesiothermic reduction of cultured diatoms as a sustainable, high-performance anode material for lithium-ion batteries
Gaarud, Anders (Master thesis, 2024)I en verden med et økende behov for elektrifisering og fornybar energi, er batterier med høy energitetthet avgjørende for å sikre en bærekraftig fremtid. Imidlertid er produksjon av høyytelsesbatterier fra bærekraftige ... -
Synthesis of Diatom-based SiOx Compounds and their Implementation on SiOx/graphite Anodes for Lithium-ion Batteries
Karlsen, Jon Tobias Aga (Master thesis, 2023)For å møte den økende etterspørselen etter Li-ion-batterier, har kombinasjonen av SiOx med grafitt i en komposittanode, vist seg å være et lovende alternativ, ved å utnytte den høye strukturelle stabiliteten og den utmerkede ...