Search for dissertations about: "Hybrid battery materials"

Showing result 1 - 5 of 26 swedish dissertations containing the words Hybrid battery materials.

2. 1. Mesoporous Materials for Fast Charging Electrochemical Energy Storage

   Author : Giulio Calcagno; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; electrochemical energy storage; redox-active electrolytes; mesoporous carbon; hybrid supercapacitors; fast charging storage; ordered mesoporous materials; mesoporous titanium dioxide; lithium-ion battery;

   Abstract : High performing electrochemical energy storage (EES) devices are needed to cope with the increasing energy requirements of modern society. Electrode materials must store lots of energy, charge/discharge fast and be environmentally friendly. READ MORE

4. 2. Recycling of nickel metal hydride (NiMH) batteries; Characterization and recovery of nickel, AB5 alloy and cobalt

   Author : Filip Holmberg; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; recycling; nickel; AB5 alloy; cobalt; NiMH battery; hydrogen storage alloy; leaching;

   Abstract : Nickel metal hydride (NiMH) batteries are used today for applications that can assist in the adaptation toward carbon-neutral energy sources (i.e. hybrid vehicles and smart grids). Recovery of metals such as nickel, cobalt and rare earth elements (REEs) from discarded NiMH batteries is important for economic and/or technological reasons. READ MORE

5. 3. Design of Cellulose-Based Materials via Sustainable and Scalable Processes

   Author : Yunus Can Görür; Lars Wågberg; Per A. Larsson; Tsuguyuki Saito; KTH; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; Transparent paper; cellulose nanofiber; fibers; CNF; nanofibrillation; nanopaper; functional hybrids; nanocomposites; green materials; energy storage; binders; Transparent papper; cellulosa nanofiber; fibrer; CNF; nanofibrillering; nanopapper; funktionella hybrider; nanokompositer; gröna material; energilagring; bindemedel; Fiber- och polymervetenskap; Fibre and Polymer Science;

   Abstract : Plastic pollution is one of the most pressing environmental issues in today’s world. Addressing this problem calls for the development of environmentally friendly alternatives that would reduce the amount of persistent plastic waste. READ MORE

6. 4. Component and system design of a mild hybrid 48 V powertrain for a light vehicle

   Author : Stefan Skoog; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Extra low voltage; Hybrid Electric Vehicle; 48 V; Li-ion battery; Calorimetric measurement; Oil cooling; Efficiency; Multi-phase; MOSFET; Power Electronics; Permanent Magnet Synchronous Machine; PWM; Inverter; Power density;

   Abstract : This thesis presents contributions in three areas relevant for the development of 48 V mild hybrid electric powertrains for cars. The first part comprises methodologies and extensive testing of lithium-ion battery cells in order to establish the electric and thermal performance using equivalent circuit models. READ MORE

7. 5. Materials Modelling for Energy Harvesting : From Conversion to Application through Storage

   Author : Amitava Banerjee; Rajeev Ahuja; Gunnar Niklasson; Sudip Chakraborty; Tejs Vegge; Uppsala universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Materials Modelling; DFT; Energy Materials; Photocatalysis; HER and OER; Hybrid Perovskite Solar Cells; Stability; Thermodynamics and Kinetics in Na-ion battery; Organic Crystal Battery;

   Abstract : In this Ph.D. thesis, ab initio density functional theory along with molecular dynamics and global optimization methods are used to unveil and understand the structures and properties of energy relevant materials. In this connection, the following applications are considered: i. READ MORE