Browsing NTNU Open by Author "Rettenwander, Daniel"
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Aging behavior of al- and ga- stabilized li7la3zr2o12 garnet-type, solid-state electrolyte based on powder and single crystal x-ray diffraction
Redhammer, Günther J.; Tippelt, Gerold; Portenkirchner, Andreas; Rettenwander, Daniel (Peer reviewed; Journal article, 2021)Li7La3Zr2O12 garnet (LLZO) belongs to the most promising solid electrolytes for the development of solid-state Li batteries. The stability of LLZO upon exposure to air is still a matter of discussion. Therefore, we performed ... -
Aging Behavior of Al- and Ga- Stabilized Li7La3Zr2O12 Garnet-Type, Solid-State Electrolyte Based on Powder and Single Crystal X-ray Diffraction
Redhammer, Günther J.; Tippelt, Gerold; Portenkirchner, Andreas; Rettenwander, Daniel (Peer reviewed; Journal article, 2021)Li7La3Zr2O12 garnet (LLZO) belongs to the most promising solid electrolytes for the development of solid-state Li batteries. The stability of LLZO upon exposure to air is still a matter of discussion. Therefore, we performed ... -
An operando 3D optical microscopy study on the Li metal anode formation in anode-less solid-state batteries
Gulbrandsen, Håkon Tallhaug (Master thesis, 2024)Faststoffbatterier med metalliske litiumanoder har et stort potensiale til å betydelig øke ders energitetthet og har nylig fått mye oppmerksomhet. Komplekse og kostbare produksjonsprosesser hindrer imidlertid, for øyeblikket, ... -
Aqueous Processing of LiNi0.8Mn0.1Co0.1O2 and LiNi0.8Mn0.1Co0.1O2 - LiFePO4 Core - Shell Cathodes
Aasen, Vegard Bakkene (Master thesis, 2024)Ni-rike lagdelte oksider slik som LiNi0.8Mn0.1Co0.1O2 (NMC811) har vist seg å ha høy kapasitet og inneholder i tillegg lite Co sammenlignet med andre batteri-kjemier. Dette har ført til stor interesse for å ta de i bruk ... -
Blacklight sintering of ceramics
Porz, Lukas; Rettenwander, Daniel (Peer reviewed; Journal article, 2022)For millennia, ceramics have been densified via sintering in a furnace, a time-consuming and energy-intensive process. The need to minimize environmental impact calls for new physical concepts beyond large kilns relying ... -
Cryolithionite-Based Pseudocapacitive Electrode for Sustainable Lithium-ion Capacitors
Ladenstein, Lukas; Pan, Xuexue; Nguyen, Quoc Hung; Knez, Daniel; Philipp, Martin; Kothleitner, Gerald; Redhammer, Günther J.; Abbas, Qamar; Rettenwander, Daniel (Peer reviewed; Journal article, 2024)Lithium-ion insertion/deinsertion in anode at slow rates limits the power performance of energy storage devices. Here, a new pseudocapacitive electrode with high reversible capacity during cycling has been proposed for a ... -
Deep hydration of an Li7-3xLa3Zr2MIIIxO12solid-state electrolyte material: A case study on Al- and Ga-stabilized LLZO
Redhammer, Gunther J.; Tippelt, Gerold; Rettenwander, Daniel (Peer reviewed; Journal article, 2022)Single crystals of an Li-stuffed, Al- and Ga-stabilized garnet-type solid-state electrolyte material, Li7La3Zr2O12 (LLZO), have been analysed using single-crystal X-ray diffraction to determine the pristine structural state ... -
Deflecting Dendrites by Introducing Compressive Stress in Li7La3Zr2O12 Using Ion Implantation
Flatscher, Florian; Todt, Juraj; Burghammer, Manfred; Søreide, Hanne-Sofie Marie Scisly; Porz, Lukas; Li, Yanjun; Wenner, Sigurd; Bobal, Viktor; Ganschow, Steffen; Sartory, Bernhard; Brunner, Roland; Hatzoglou, Constantinos; Keckes, Jozef; Rettenwander, Daniel (Peer reviewed; Journal article, 2023)Lithium dendrites belong to the key challenges of solid-state battery research. They are unavoidable due to the imperfect nature of surfaces containing defects of a critical size that can be filled by lithium until fracturing ... -
Developing a Dual-Ion Solid State Battery
Zlatic, Ivana (Master thesis, 2024)For å oppnå energitetthetene som trengs for at elbiler skal overgå standard kjøretøy og redusere vår avhengighet av fossilt brensel, må litium-faststoffbatterier og deres potensiale for høyere energitettheter utvikles i ... -
Development of Li3YCl6-Coated NCA Cathode via Mechanofusion and its Electrochemical Evaluation in Argyrodite-Based Solid-State Batteries
Sandvik, Torgeir Matre (Master thesis, 2022)De siste årene har det vært en betydelig utvikling innen forskning på faststoffbatterier (SSB). Imidlertid har de tekniske utfordringene, inkludert inkompatibilitet i grenses- nittet mellom elektrode og elektrolytt på grunn ... -
Dislocations in ceramic electrolytes for solid-state Li batteries
Porz, L.; Knez, D.; Scherer, M.; Ganschow, S.; Kothleitner, G.; Rettenwander, Daniel (Peer reviewed; Journal article, 2021)High power solid-state Li batteries (SSLB) are hindered by the formation of dendrite-like structures at high current rates. Hence, new design principles are needed to overcome this limitation. By introducing dislocations, ... -
Effect of pulse-current-based protocols on the lithium dendrite formation and evolution in all-solid-state batteries
Reisecker, V.; Flatscher, Florian; Porz, Lukas; Fincher, C.; Todt, J.; Hanghofer, I.; Hennige, V.; Linares-Moreau, M.; Falcaro, P.; Ganschow, S.; Wenner, Sigurd; Chiang, Y.-M.; Keckes, J.; Fleig, J.; Rettenwander, Daniel (Peer reviewed; Journal article, 2023)Understanding the cause of lithium dendrites formation and propagation is essential for developing practical all-solid-state batteries. Li dendrites are associated with mechanical stress accumulation and can cause cell ... -
Electro-Chemo-Mechanical Study of Micro-Silicon Anode in Li6PS5Cl-based Solid-State Batteries
Solvang, Sofia Andrea Villarroel (Master thesis, 2024)Silisiumbaserte anoder har fått oppmerksomhet på grunn av sin overlegne kapasitet i forhold til tradisjonelle batterianoder. Likevel har praktisk implementering blitt hindret av silisiums høye volumekspansjon under litierting, ... -
Elucidating the Impact of Li3InCl6‑Coated LiNi0.8Co0.15Al0.05O2 on the Electro-Chemo-Mechanics of Li6PS5Cl-Based Solid-State Batteries
Jin, Feng; Fadillah, Laras; Nguyen, Quoc Hung; Sandvik, Torgeir Matre; Liu, Yu; García-Martín, Adrián; Salagre, Elena; Michel, Enrique G.; Stoian, Dragos; Marshall, Kenneth Paul; Van Beek, Wouter; Redhammer, Günther; Mir Mehraj Ud Din, Mir Mehraj Ud Din; Rettenwander, Daniel (Peer reviewed; Journal article, 2024)Li6PS5Cl has attracted significant attention due to its high Li-ion conductivity and processability, facilitating large-scale solid-state battery applications. However, when paired with high-voltage cathodes, it experiences ... -
Facile synthesis of Al-stabilized lithium garnets by a solution-combustion technique for all solid-state batteries
Badami, Pavan; Smetaczek, Stefan; Limbeck, Andreas; Rettenwander, Daniel; Mada, Arunachala Nadar (Peer reviewed; Journal article, 2021)Garnet-type solid electrolytes with cubic modification (c-LLZO, Li7La3Zr2O12) are considered to be one of the most promising candidates for SSLBs with desirable properties such as high ionic conductivity (about 1 mS cm−1) ... -
Fe/Zr binary MOF-based separator for highly efficient polysulfide adsorption and conversion in Li-S batteries
Razaq, Rameez; Allahgholi, Nima; Småbråten, Didrik Rene; Sunde, Tor Olav Løveng; Tekinalp, Önder; Waris, Zainab; Wang, Xueru; Rettenwander, Daniel; Deng, Liyuan; Mehraj Ud Din, Mir (Journal article; Peer reviewed, 2024)Lithium-sulfur (Li-S) batteries are known as a next-generation energy storage technology due to their high theoretical energy density and low cost. However, the shuttling of soluble lithium polysulfides (LPS) between ... -
Identifying Problematic Phase Transformations in Pb Foil Anodes for Sodium-Ion Batteries
Zhang, Jia; Zheng, Tianye; Guo, Xiaoyang; Nguyen, Quoc Hung; Cheng, Ka-wai Eric; Lam, Kwok-ho; Rettenwander, Daniel; Jin, Wei; Boles, Steven Tyler (Peer reviewed; Journal article, 2024) -
Investigating the electrochemical stability of Li7La3Zr2O12 solid electrolytes using field stress experiments
Smetaczek, Stefan; Pycha, Eva; Ring, Joseph; Siebenhofer, Matthäus; Ganschow, Steffen; Berendts, Stefan; Nenning, Andreas; Kubicek, Markus; Rettenwander, Daniel; Limbeck, Andreas; Fleig, Jürgen (Peer reviewed; Journal article, 2021)Cubic Li7La3Zr2O12 (LLZO) garnets are among the most promising solid electrolytes for solid-state batteries with the potential to exceed conventional battery concepts in terms of energy density and safety. The electrochemical ... -
Investigating the electrochemical stability of Li<inf>7</inf>La<inf>3</inf>Zr<inf>2</inf>O<inf>12</inf>solid electrolytes using field stress experiments
Smetaczek, Stefan; Pycha, Eva; Ring, Joseph; Siebenhofer, Matthäus; Ganschow, Steffen; Berendts, Stefan; Nenning, Andreas; Kubicek, Markus; Rettenwander, Daniel; Limbeck, Andreas; Fleig, Jürgen (Peer reviewed; Journal article, 2021)Cubic Li7La3Zr2O12 (LLZO) garnets are among the most promising solid electrolytes for solid-state batteries with the potential to exceed conventional battery concepts in terms of energy density and safety. The electrochemical ... -
LCO-coated NMC811 as zero-strain cathode for all-solid-state batteries
Haukedal, Richard Ween (Master thesis, 2024)Neste generasjons batterier er avgjørende for videreutviklingen av elektriske kjøretøy og elektroniske enheter. Nåværende litiumbatterier innehar betydelig risiko på grunn av deres brennbare flytende elektrolytter og ...