Sökning: "energy harvester"

Visar resultat 1 - 5 av 41 uppsatser innehållade orden energy harvester.

  1. 1. Inkjet printed piezoelectric energy harvesters based on self-assembly of diphenylalanine peptide

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Yujie Fu; [2023]
    Nyckelord :Inkjet printing; piezoelectric energy harvester; diphenylalanine peptide; self-assembly; Bläckstråleutskrift; piezoelektrisk energiskördare; difenylalaninpeptid; självmontering;

    Sammanfattning : Diphenylalanine peptide (Phe-Phe or FF) is a very promising bio-material in the future wearable electronics application due to its self-assembly into nanotubes and nanoribbons with high shear piezoelectric coefficient which is comparable to traditional inorganic piezoelectric materials. In order to efficiently harvest piezoelectric response, alignment and unidirectional polarization of FF nanotubes are required. LÄS MER

  3. 2. Direct writing metal-freebio-organic piezoelectricenergyharvester

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Zhuo Zheng; [2023]
    Nyckelord :Piezoelectric effect; metal-free; bio-organic material; γ-glycine; direct writing; energy harvester; Piezoelektrisk effekt; metallfritt; bioorganiskt material; γ -glycin; 3D-utskrift; energiskördare;

    Sammanfattning : The project is about piezoelectric energy harvesters and piezoelectric bio-organic materials.Nowadays, various kinds of energy harvesters based on micro or nano materials are appliedinmanyelectronic applications, such as wearable devices and electricity generators. LÄS MER

  4. 3. Application demonstrator for green IoT unit including Ligna S-power

    Master-uppsats, Linköpings universitet/Fysik, elektroteknik och matematik; Linköpings universitet/Tekniska fakulteten

    Författare :Arvid Bläser; [2022]
    Nyckelord :Ligna; Energy; IoT; Battery; Printed; Electronics; Harvester; LoRa; LoRaWAN;

    Sammanfattning : Ligna Energy has developed a printable battery, called S-Power. It is based on research in organic electronics. In order to demonstrate the functionality of the new batteries, an IoT device was developed. The demonstrator consisted of a Sensor for temperature and relative humidity (RH), LoRWAN communication and a circuit for energy harvesting. LÄS MER

  5. 4. Antenna as a sensor for sensing available LTE networks

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Barath Kumar Sathish Kumar; [2022]
    Nyckelord :Radio Frequency energy harvesting; Antenna as a sensor; Long-Term Evolution; Rectifier; Printed Circuit Board; Altium Designer; Matching network; Voltage multiplier; Schottky diodes; Multiband LTE antenna; Ambient energy harvesting; Low power Internet of Things; Wireless power transfer; Radiofrekvensenergiskörd; Antenn som sensor; LTE; Likriktare; Printed Circuit Board; Altium Designer; Matchande nätverk; Spänningsmultiplikator; Schottky-dioder; Multiband LTE-antenn; Omgivande energiskörd; Lågeffekt Internet of Things; Trådlös kraftöverföring;

    Sammanfattning : This thesis primarily deals with the concept of designing an antenna based device to harvest energy from Radio Frequency (RF) and using the harvested energy to sense the available Long Term Evolution (LTE) network in order for the Internet of Things (IoT) devices to connect to the network for the purpose of transmitting and receiving data. Secondarily the importance of this project is targeting how to conserve battery power in an IoT device and extend it’s lifetime. LÄS MER

  7. 5. Combining energy harvesting sources for increased system availability and using an input switching algorithm to maximise battery lifetime

    Master-uppsats, KTH/Maskinkonstruktion (Inst.)

    Författare :Anton Hylander; [2022]
    Nyckelord :;

    Sammanfattning : Energy harvesting is commonly used for powering low power electronics, for example Low Power Wide Area Networks (LPWAN). Many energy sources are natural (e.g. solar or wind), thus the harvested power can depend on weather, time of day, and time of year. LÄS MER