Archive for February 10th, 2010

Solid oxide fuel cell (二)

Posted on February 10th, 2010 in battery review, battery specs | Comments Off

Research and development of SOFC in the future focused on the following aspects:

  1. The development of new electrode materials and other battery components .
  2. Modification of other SOFC ,Dell inspiron 1525 battery components allowed the system to optimize the structure to meet the medium-temperature fuel cell operation; development of the temperature under the conditions of a certain activity in the same time, they met with the electrolyte performance matches the electrode material; to improve the micro-electrode structure. One nano-electrode is a feasible route. It has small particle, increase the three-phase industry (catalytic center) in length and electrode / electrolyte contact area, greatly reducing the interface resistance; also can reduce the electrode thickness, so that gas is more easily spread to the three-phase interface, decreases due to electrode concentration polarization caused by reducing the efficiency of the Canon bp-2l12 battery.

  3. Proton conductor, and protons – ion mixed conductor electrolyte development.
  4. By a proton conductor as electrolyte, the water is produced in the oxidizer side, so there will be no oxygen ion conductor as electrolyte, as, after the fuel Dell inspiron 1526 battery reaction required to remove water from the fuel. When using methane and other hydrocarbon gases, only the pyrolysis of these fuels can be considered to be the hydrogen fuel cell proton conductor of fuel, while the remaining part of the restructuring could serve as a useful product is retained by the akku reaction such as ethane, after re – availability of ethylene. Some electrochemical reaction must use the proton conductor material. Such as: industry H2S emissions to deal with this fuel Dell inspiron 1720 battery can generate electricity at the same time, to be a useful by-product of S2.

  5. Study the mechanism of proton conduction and to develop sufficiently in the conductivity-temperature proton conductor.
  6. This is a promising Dell inspiron 1721 battery research direction. It should be said, proton – ion mixed conductor is a new solid electrolyte, to find the material itself is a new challenge, which for the deepening of our design of new SOFC, has a special significance.

  7. New concepts and new methods.
  8. The recent emergence of single-chamber fuel Dell inspiron 1521 battery is a new concept. Despite its many shortcomings, but it is a worthwhile research direction. Its main significance lies right to our future design of the battery to give a useful inspiration. For the electrode material structure, the traditional electrode majority of asymmetric electrodes, ie cathode and anode materials used in the different. If you are using symmetric electrodes, the Casio np-100 battery performance will be? This is worth studying. For the cell preparation methods, the method currently used mostly expensive, finished product rate is low. Research and development of soft chemical preparation routes, the introduction of mild conditions, the material preparation methods, is bound to have a strong competitive edge.

Solid oxide fuel cell (一)

Posted on February 10th, 2010 in battery maintain, battery review | Comments Off

Fuel cell for Canon bp-2l12 is a kind of efficient power generation devices which direct convert the chemical energy in the fuel and oxidizer into electrical energy

Depending on the different types of electrolyte, fuel cell can be divided into:

  1. low-temperature fuel Casio np-100 cells, such as solid polymer electrolyte fuel cell (PEMFC) and alkaline fuel cells (AFC);
  2. phosphate acid fuel cell (PAFC);
  3. molten carbonate fuel cell (MCFC);
  4. solid oxide fuel cell (SOFC) and so on.

SOFC is the the third-generation fuel Canon nb-71 cell system followed the second PAFC, MCFC highest energy conversion efficiency after, is considered the most efficient and universal power generation systems, especially as decentralized power plants, scientists from various countries are being attracted wide interest. It is the fuel and oxidizer gases through an ion-conductive ceramics, and generation of electrical power solid-state energy conversion device, it is also known as ceramic fuel akku .

SOFC for Dell inspiron 1420 battery include electrolyte and two electrodes. In the cathode, the air of oxygen dissociation into oxygen ions, two electrodes through the solid electrolyte membrane between the migration, with the anode / electrolyte interface of the fuel reaction. Outside the circuit, from the anode to the cathode of the electron flow generated DC. SOFC solid electrolyte is the most central parts. Its performance is not only a direct impact on the work of the battery temperature and power conversion efficiency, but also determines the required matching electrode material and the corresponding choice of preparation technology. Discovered so far may be used for SOFC ,Jvc bn-vf823 oxygen ion conductor mainly fluorite phase structure of ZrO2-based, CeO2-based, Bi2O3-based materials and the perovskite-type structure LaGaO3-based materials.

In addition to the general merits of the fuel Dell vostro 1500 battery , SOFC also has the following characteristics: adaptability of the fuel can be a variety of fuels, including the case of carbon-based fuels to run; does not require the use of noble metal catalyst; the use of all solid-state components, there is no right leakage, corrosion management issues; building blocks of strong, flexible and so the size and installation location. These characteristics make fuel for power generation efficiency of the overall time-cycle has the potential to more than 60%, while the efficiency of the whole system, up to 85%, SOFC power density 1MW/M3, the design of the block may be as high as for the 3MW / M3. In fact, SOFC,Dell inspiron 1100 battery can be used for power generation, thermal recycling, transportation, aerospace and many other areas of space, known as the 21st century green energy.