Essays about: "Battery voltage level"

Showing result 1 - 5 of 27 essays containing the words Battery voltage level.

  1. 1. State of charge and heat impact on Li-ion batteries during calendar aging

    University essay from Uppsala universitet/Signaler och system

    Author : Martin Jonsson; Tobias Karlsson; [2023]
    Keywords : State of charge; SoC; calendar aging; heat impact; Li-ion;

    Abstract : Rechargeable batteries that are powering our everyday electronics go through their lifetime with countless charge/discharge cycles, after a few years the capacity has dropped noticeably. But how about batteries that are working as a back-up power system for when connection to the AC mains is not possible, they might only perform a handful of cycles but does this mean they last forever? On behalf of Getinge AB, this bachelor thesis aims to explore the subject named as ‘calendar aging’. READ MORE

  3. 2. Electrochemical strategies to retrieve lost capacity in Li-ion batteries by reversed Li-trapping

    University essay from Uppsala universitet/Oorganisk kemi; Uppsala universitet/Strukturkemi

    Author : Christopher Thulin; [2023]
    Keywords : Electrochemistry; lithium trapping; lithium-ion battery; diffusion;

    Abstract : Since the transportation sector wants to move away from fossil fuels and become more dependen ton clean and green energy, the use of rechargeable batteries is a good solution. Lithium-based batteries work very well as rechargeable batteries in electric vehicles. READ MORE

  4. 3. DC-DC Converter for Fast Charging with Mobile BESS in a Weak Grid : Enabling remote charging and increased efficiency with less resource intensity

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Alexander Medén; [2023]
    Keywords : Battery energy storage systems; Buck-boost; DC DC converter; Dual-active bridge; fast charging; DC charging; Mobile battery systems; Batterienergilagringssystem; Buck-boost; DC DC-omvandlare; Dual-active bridge; snabbladdning; DC-laddning; Mobila batterisystem;

    Abstract : With the increase of electric vehicles (EVs) on the roads the availability of charging infrastructure becomes more important. Today it is relatively straightforward to install fast chargers in areas with strong power grid connections, such as in urban areas. READ MORE

  5. 4. Battery field data-oriented investigation of cell capacity spread and its impacts

    University essay from

    Author : Muhammad Bilal; [2022]
    Keywords : Cell Capacity; Electric Vehicles; Algorithm; Current Profile; Voltage;

    Abstract : In this research thesis, a new data-centric approach is used to determine the individual cell capacities in Li-ion batteries used in electric vehicles (EVs). This approach could also be extended to batteries for static energy storage applications. READ MORE

  6. 5. Integrated DC fast charger in an electric vehicle

    University essay from Lunds universitet/Industriell elektroteknik och automation

    Author : Christoffer Johansson; Axel von Keyserlingk; [2022]
    Keywords : Boost converter; DC charging; Electric machine; Inverter; Electric vehicle; Technology and Engineering;

    Abstract : More and more electric vehicles are emerging with a nominal battery voltage higher than what most older DC fast chargers are capable of charging. This requires the vehicle manufacturers to include a high power DC to DC converter in order to be able to charge at these stations, adding cost and complexity. READ MORE