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Träfflista för sökning "WFRF:(Johansen Maria) ;hsvcat:2"

Sökning: WFRF:(Johansen Maria) > Teknik

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1.
  • Asp, Leif, 1966, et al. (författare)
  • A structural battery and its multifunctional performance
  • 2021
  • Ingår i: Advanced Energy and Sustainability Research. - : Wiley. - 2699-9412. ; 2:3
  • Tidskriftsartikel (refereegranskat)abstract
    • Engineering materials that can store electrical energy in structural load paths can revolutionize lightweight design across transport modes. Stiff and strong batteries that use solid-state electrolytes and resilient electrodes and separators are generally lacking. Herein, a structural battery composite with unprecedented multifunctional performance is demonstrated, featuring an energy density of 24 Wh kg-1 and an elastic modulus of 25 GPa and tensile strength exceeding 300 MPa. The structural battery is made from multifunctional constituents, where reinforcing carbon fibers (CFs) act as electrode and current collector. A structural electrolyte is used for load transfer and ion transport and a glass fiber fabric separates the CF electrode from an aluminum foil-supported lithium–iron–phosphate positive electrode. Equipped with these materials, lighter electrical cars, aircraft, and consumer goods can be pursued.
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3.
  • Leckner, Bo G, 1936, et al. (författare)
  • Influence of additives on selective noncatalytic reduction of nitric oxide with ammonia in circulating fluidized bed boilers
  • 1991
  • Ingår i: Industrial & Engineering Chemistry Research. - 1520-5045 .- 0888-5885. ; 30:11, s. 2396-2404
  • Tidskriftsartikel (refereegranskat)abstract
    • The application of selective noncatalytic reduction of nitric oxide with ammonia in circulating fluidized bed boilers is investigated. Special attention is directed to the use of additives to the ammonia so that the efficiency of the NO reduction at lower temperatures can be increased. Tests under realistic conditions in a research boiler and reaction kinetic calculations show that the type of additives used did not improve the process. On the other hand, it is shown that ammonia injection as such, when employed before the cyclone of the boiler, effectively reduces the NO emission to a level of 20-60 ppm, without significant negative effects such as ammonia bypass and an increased CO emission.
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