Small and wearable electronic devices used in workplaces (e.g., body cameras) rely on a power source that stores a high amount of energy in a small space (i.e., high energy density). Lithium cells provide sustained power and often have the capability to recharge. When designed, manufactured, and used properly, lithium batteries are a safe, high …
Permanent link to this article: http://batteriselskab.dk/artikel/preventing-fire-and-or-explosion-injury-from-small-and-wearable-lithium-battery-powered-devices.htm
EU-Kommissionens har igangsat et lovforberedende studie for ecodesign og energimærkning af batterier. Studiet har til formål at sikre et økonomisk, socialt og miljømæssigt bæredygtigt marked for batterier i EU i fremtiden. Energistyrelsen ønsker at informere producenter, eksperter og interessenter i Danmark om studiet og muligheden for at bidrage med relevante kommentarer, data og analyser, der …
Permanent link to this article: http://batteriselskab.dk/artikel/energimaerkning-af-batterier-pa-vej.htm
Abstract: In recent years, research in solar energy storage with photoelectrochemical cells (i.e., solar redox flow batteries: SRFBs) has resurged. This development is emerging in parallel with the growing field of research into organic redox couples intended for aqueous redox flow batteries (RFBs) in a range of different pH environments. In a solar flow battery, the …
Permanent link to this article: http://batteriselskab.dk/artikel/videnskabelig/solar-redox-flow-batteries-with-organic-redox-couples-in-aqueous-electrolytes-a-minireview.htm
Abstract: The prevailing standards and scientific literature offer a wide range of options for the construction of a battery thermal management system (BTMS). The design of an innovative yet well-functioning BTMS requires strict supervision, quality audit and continuous improvement of the whole process. It must address all the current quality and safety (Q&S) standards. In …
Permanent link to this article: http://batteriselskab.dk/artikel/videnskabelig/dynamic-charge-discharge-phase-transitions-in-li3v2po43-cathodes-2.htm
It’s become part of everyday life. “Most of us plug in our laptops or phones to recharge at night without really thinking about it,” says Serena Corr, Chair in Functional Materials and Professor in Chemical and Biological Engineering at the University of Sheffield, “but what’s happening during charge and discharge is a highly complex process …
Permanent link to this article: http://batteriselskab.dk/artikel/everything-you-need-to-know-about-lithium-ion-batteries-but-which-car-makers-forgot-to-tell-you.htm
Authors: RobertoScipioniab, Peter S. Jørgensena, Daniel I. Stroec, Reza Younesid, Søren B. Simonsena, Poul Norbya, Johan Hjelma, Søren H. Jensena a DTU Energy, Department of Energy Conversion and Storage, Technical University of Denmark, Frederiksborgvej 399, 4000, Roskilde, Denmark b Department of Material Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, IL 60208, USA c Department of Energy Technology, Aalborg University, Fredrik Bajers Vej 5, …
Permanent link to this article: http://batteriselskab.dk/artikel/videnskabelig/complementary-analyses-of-aging-in-a-commercial-lifepo4-graphite-26650-cell.htm
Helt nye materialer med en stensalt-type struktur kan potentielt kan fordoble kapaciteten på Li-batteriers katoder, hvilket kan få stor betydning for mobiltelefoner, bærbare computere og elbiler, der bruger litiumbatterier. Kom og hør Poul Norby fra DTU Energi fortælle om denne spændende klasse af materialer og deres muligheder på IDA’s arrangement TIRSDAG D. 12. MARTS 2019 KL. …
Permanent link to this article: http://batteriselskab.dk/arrangementer/2019-03-12-stensalt-lignende-materialer-kan-potentielt-fordoble-kapaciteten-pa-li-batterier.htm
Authors: Daniel Risskov Sørensen(a), Jette Katja Mathiesen(a,b), Dorthe Bomholdt Ravnsbæk(a,∗) a Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230, Odense M, Denmark b Department of Chemistry and Nanoscience, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen Ø, Denmark Highlights Phase transitions in Li3V2(PO4)3 probed by operando synchrotron X-ray diffraction. Two-phase behavior observed for …
Permanent link to this article: http://batteriselskab.dk/artikel/videnskabelig/dynamic-charge-discharge-phase-transitions-in-li3v2po43-cathodes.htm
TheDrive: “A thread on popular Tesla forum Tesla Motors Club has begun to track battery degradation over time with the use of community-sourced and tracked data. Using a scatter plot, the overwhelming worldwide response to the request for data was able to establish a clear trend line. In 270,000 kilometers (168,000 miles), the average battery degraded less …
Permanent link to this article: http://batteriselskab.dk/nyheder/data-shows-tesla-batteries-lose-less-than-10-percent-capacity-at-160000-miles.htm
This paper proposes a low-complexity online state of charge estimation method for LiFePO4 battery in electrical vehicles. The proposed method is able to achieve accurate state of charge with less computational efforts in comparison with the nonlinear Kalman filters, and also can provide state of health information for battery management system. According to the error …
Permanent link to this article: http://batteriselskab.dk/artikel/videnskabelig/low-complexity-online-estimation-for-lifepo4-battery-state-of-charge-in-electric-vehicles.htm
