Search for dissertations about: "X Liu"

Showing result 1 - 5 of 934 swedish dissertations containing the words X Liu.

  2. 1. Renewable and Scalable Energy Storage Materials Derived from Quinones in Biomass

    Author : Lianlian Liu; Olle Inganäs; Niclas Solin; Daniel Brandell; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; renewable; scalable; quinones; energy storage;

    Abstract : Currently there is an urgent need to reduce the use of fossil fuels, and efficient sustainable energy harvesters from sun and wind have been developed and are widely used for electricity generation. Storage of electrical energy is accordingly necessary to accommodate the time varying supply of wind and solar electricity. READ MORE

  4. 2. Enable the landing of Internet of Things: a holistic approach

    Author : Yu Liu; Shaofang Gong; Magnus Karlsson; Zhibo Pang; Mikael Gidlund; Linköpings universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : Internet of Things (IoT) envisions a world where physical assets are fully connected with the Internet infrastructure to provide digital services.  With the advancement of information and communication technologies, IoT applications have experienced a growth in many industries and are anticipated to reshape the landscape of social life and industry production. READ MORE

  5. 3. Dynamics of multiphoton processes in nonlinear optics and x-ray spectroscopy

    Author : Ji-Cai Liu; Faris Gel'mukhanov; Richard Taieb; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; nonlinear optics; x-ray spectroscopy; multiphoton processes; pulse propagation; Atomic and molecular physics; Atom- och molekylfysik; Spectroscopy; Spektroskopi;

    Abstract : New generations of ultrashort and intense laser pulses as well ashigh power synchrotron radiation sources and x-ray free electronlasers have promoted fast developments in nonlinear optics andx-ray spectroscopy.The new experimental achievements and the appearance of varieties of novelnonlinear phenomena call for further development of theories. READ MORE

  6. 4. Surface modification of III-V nanostructures studied by low-temperature scanning tunneling microscopy

    Author : Yi Liu; NanoLund: Centre for Nanoscience; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; STM; XPS; semiconductor surface; III-V; nanostructure modification; nanowires; self-selective formation; atomic scale imaging; Bi incorporation; Fysicumarkivet A:2022:Liu;

    Abstract : In the past decade, driven by the demand for materials with high performance for next-generation semiconductor devices (e.g. READ MORE

  7. 5. Exploration of Non-Aqueous Metal-O2 Batteries via In Operando X-ray Diffraction

    Author : Chenjuan Liu; Torbjörn Gustafsson; Laurence Hardwick; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Keywords: lithium-oxygen batteries; sodium-oxygen batteries; metal-air; in operando X-ray diffraction; cathode materials; Kemi med inriktning mot materialkemi; Chemistry with specialization in Materials Chemistry;

    Abstract : Non-aqueous metal-air (Li-O2 and Na-O2) batteries have been emerging as one of the most promising high-energy storage systems to meet the requirements for demanding applications due to their high theoretical specific energy. In the present thesis work, advanced characterization techniques are demonstrated for the exploration of metal-O2 batteries. READ MORE