BATTERIES AND FUEL CELLS pps

... content of fuel  100% The thermal efficiency may differ significantly from the electrical efficiency. In fuel cells used for combined heat and power (CHP) applications, the ratio of electrical and thermal ... efficiency cannot be obtained in real systems and the reasons for this are given below. Heat is often a useful by-product of operation of fuel cells, and therefore the term...

Ngày tải lên: 06/07/2014, 22:20

... by Brodd and Winter to batteries and fuel cells and the associated electrochemistry. It then continues first with several papers discussing batteries and then with papers discussing fuel cells. Batteries Outside ... engine and a battery, today nickel metal hydride, as in the Toyota Prius, and tomorrow lithium; a future generation is likely to be a hybrid of a fuel c...

Ngày tải lên: 16/04/2014, 11:22

... Military: Batteries and Fuel Cells C Cremers, J Tu ¨ bke, and M Krausa, Fraunhofer-Institute for Chemical Technology, Pfinztal, Germany & ... such as fuel cells or air–metal batteries are likely to suffer from the reduced oxygen partial pressure at these conditions. Common Military Primary Batteries For the most part, the batteries ... secondary batteries. This w ill b...

Ngày tải lên: 06/07/2014, 02:20

... primary and sec- ondary cycles depend on their mode of operation. Fuel cells operate at low and high temperatures. Aqueous FCs (such as alkaline fuel cells (AFCs)), proton- exchange membrane fuel cells ... membrane fuel cells (PEMFCs), and phos- phoric acid fuel cells (PAFCs) operate at low tempera- tures. The molten carbonate fuel cells (MCFCs) and solid oxide...

Ngày tải lên: 06/07/2014, 02:20

... energy carriers (e.g. direct heat and electricity from renewable energy, and bio-fuels for transport). HYDROGEN ENERGY AND FUEL CELLS – A VISION OF OUR FUTURE 10 Why hydrogen and fuel cells?   Tracking ... production, storage and safety, and fuel cell performance costs and durability. HYDROGEN ENERGY AND FUEL CELLS – A VISION OF OUR FUTURE 21   Roof tanks...

Ngày tải lên: 07/03/2014, 17:20

Ngày tải lên: 31/03/2014, 12:20

... ‘‘STATIONARY BATTERIES AND BATTERY INSTALLATIONS’’ Some measures will be explained, e.g. in the case of stationary batteries providing an effective protection against hazards and risks during erection and ... safety standards for stationary batteries and battery installations are being drafted to become a European Norm. The norms for traction batteries and portable batterie...

Ngày tải lên: 05/07/2014, 06:20

... solid oxide fuel cells (SOFCs). No serious efforts are known to date on the development of molten carbonate fuel cells (MCFCs), alkaline fuel cells (AFCs), or phosphoric acid fuel cells (PAFCs) ... to handle the energy flow as well as the accompanying data flow. The major development efforts for residential fuel cells have been devoted to proton-exchange membrane fuel cel...

Ngày tải lên: 06/07/2014, 02:20

... Buses: Fuel Cells N Whitehouse and S Whitehouse, PE Australia, South Perth, WA, Australia A Huss, AKOMBE Market and Technology Communications, Sachsenring, ... transportation are marked by three key factors À growing energy demand and energy security on the one side and climate change and environmental protection on the other. The word that is most often ... every such resource...

Ngày tải lên: 06/07/2014, 03:20

... history, principal issues, and potential of fuel cell-powered rail vehicles. Issues include fuel cell type, hydrogen storage, special factors affect ing fuel cell rail, and the question of which rail ... Rail Vehicles: Fuel Cells AR Miller, Vehicle Projects Inc. and, Supersonic Tube Vehicle LLC, Golden, CO, USA & 2009 Elsevier B.V. ... cross between a train and an airplan...

Ngày tải lên: 06/07/2014, 03:20