Search for dissertations about: "PPO"

Showing result 1 - 5 of 30 swedish dissertations containing the word PPO.

  2. 1. Polymer Ionic Materials: A Study of new Materials for Solid Polymer Fuel Cells and Rechargeable Polymer Batteries

    Author : Britta Mattsson; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; PPO; polystyrene; neutron scattering; poly propylene oxide ; PEO; polymer electrolytes; poly vinylidene fluoride ; poly ethylene oxide ; luminescence; Raman spectroscopy; proton conducting polymer; poly styrene sulfonic acid ; PVDF;

    Abstract : Ion-containing polymeric materials are interesting for use in a wide variety of applications, where the flexible, yet mechanically stable, polymer matrix is essential. Intensive research is presently going on worldwide for applications as electrolytes in solid polymer batteries and fuel cells, where the ion-conducting polymer also serves as an electrode separator. READ MORE

  4. 2. Neutron scattering and reverse Monte Carlo simulation studies of a polymer electrolyte, PPO-LiClO4

    Author : Patrik Carlsson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; PPO-LiClO4; poly propylene oxide ; neutron diffraction; quasi-elastic neutron scattering; reverse Monte Carlo simulation; polymer electrolytes;

    Abstract : .... READ MORE

  5. 3. Microscopic Dynamics and Structure of some Polymer-based Electrolytes

    Author : DANIEL ANDERSSON; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; segmental motion; neutron scattering; ionic conduction; polymer electrolytes; gel electrolytes; Gaussianity; oligomers; photon correlation; PPO-LiClO4;

    Abstract : The electrolyte is a key component in high-capacity lithium batteries and there is a large demand for improved materials to increase the performance. Polymer-based electrolytes offer advantages in the design of safer and lighter batteries. READ MORE

  6. 4. Neutron Scattering Experiments and Computer Simulation Studies of a Polymer Electrolyte

    Author : Patrik Carlsson; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; neutron scattering; reverse Monte Carlo simulation; PPO-LiClO4; poly propylene oxide ; polymer electrolytes; polymer dynamics;

    Abstract : Polymer electrolytes are regarded as key components in promising new types of batteries for portable electronic devices and electric cars. Batteries for such applications require polymer electrolytes with improved properties, e.g. a higher ionic conductivity. READ MORE

  7. 5. Relaxational dynamics of polymer based electrolytes

    Author : DANIEL ANDERSSON; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; photon correlation; PMMA-EC PC-LiClO4; PPO-LiClO4; spectroscopy; ionic conduction; quasi-elastic neutron scattering; polymer based electrolytes; segmental motion;

    Abstract : .... READ MORE