Essays about: "NMC"

Showing result 6 - 10 of 21 essays containing the word NMC.

  1. 6. A method development and complete validation of coin half-cell test procedure

    University essay from KTH/Kemiteknik

    Author : Prasad Korde; [2022]
    Keywords : Cathode; Validation; Gage R and R; Six Sigma; Impedance spectroscopy; katod; validering; Gauge R och R; sex sigma; impedansspektroskopi;

    Abstract : ”Coin cell”-tillverkningen täcker hela processen från NMC-pulver till faktisk cell- och prestandautvärdering genom att cykla celler. Nydanande utveckling av elektrodmaterialen är nyckeln till att öka energitätheten hos litium-jon/metall-batterier för elfordon och nätlagring. READ MORE

  3. 7. Parameter extraction in lithium ion batteries using optimal experiments

    University essay from KTH/Fordonsdesign

    Author : Venu Gopal Prathimala; [2021]
    Keywords : Lithium-ion battery; State of Charge; Physics-based battery models; Model parameterization; Optimal experiments; Sensitivity analysis; Scanning electron microscopy; Brunauer–Emmett–Teller; Litiumjonbatteri; fysikbaserade batterimodeller; modellparameterisering; optimala experiment; känslighetsanalys; skanningelektronmikroskopi; Brunauer – Emmett – Teller; batteri elfordon;

    Abstract : Lithium-ion (Li-Ion) batteries are widely used in various applications and are viable for automotive applications. The effective management of Li-Ion batteries in battery electric vehicles (BEV) plays a crucial role in performance and range. READ MORE

  4. 8. Investigating Particle Cracking in Single- and Polycrystalline Nickel-Rich Cathodes using In Situ Impedance Spectroscopy

    University essay from Uppsala universitet/Strukturkemi

    Author : Mattias Sjödin; [2021]
    Keywords : Electrochemical surface area; particle cracking; NMC811; transmission-line model; equivalent-circuit fitting; commercial Li-ion batteries;

    Abstract : State-of-the-art Li-ion cathode materials are based on LiMO2 (M=Ni, Mn, Co) layered transition metal oxides (denoted NMC) with Ni-rich composition because of their high specific capacity. Yet, these materials suffer from poor capacity retention due to crack formation during de-/lithiation cycling. READ MORE

  5. 9. HETEROGENEOUS BATTERY SYSTEMS IN BATTERY EQUIPPED PASSENGER TRAINS

    University essay from Mälardalens högskola/Akademin för innovation, design och teknik

    Author : Emil Lundin; Johan Bergelin; [2021]
    Keywords : LabVIEW; MATLAB; Simulink; Control theory; Battery; Batteries; Li-ion; Heterogeneous batteries; LTO; NMC; Electronics; Electrical; Engineering; Simulation; Trains; SysML; UML; LTSpice; Design of experiments; DOE; Sensor technology; Railway; EV; Electrical vehicles;

    Abstract : The rise of batteries in the industry, especially Li-ion, is increasing rapidly. Li-ion battery systems are traditionally composed of a particular type of cell chemistry fit to the system needs. Due to the significant differences between chemistries, different cells have different attributes. READ MORE

  6. 10. Investigation of Battery Parameters for Li-ion Battery State of Health Estimation

    University essay from KTH/Kemiteknik

    Author : Camilla Söderhielm; [2021]
    Keywords : Lithium-ion battery; State of Health; low-temperature ageing; high-temperature ageing; ageing mechanisms; Litiumjonbatteri; hälsotillstånd; lågtemperaturåldring; högtemperaturåldring; åldringsmekanismer;

    Abstract : Miljöpåverkan från konventionella förbränningsmotorer har bidragit till en övergång till elmotorer. I denna övergång spelar litiumjonbatterier en viktig roll som energilagringssystem, men på grund av sin reaktiva kemi kan de utgöra en säkerhetsrisk. READ MORE