Archive for July 20th, 2009

It is reported that South Korean scientists successfully developed a solar energy battery sheet

Monday, July 20th, 2009

Experience on mobile devices look forward to the energy crisis cell technology innovation

As mobile devices become increasingly sophisticated, and its energy consumption more and more, as compared to dell inspiron 1501 battery,dell inspiron 1520 battery technology can not keep up the pace a little. The world’s largest mobile phone maker Nokia chief technology officer with uva Yrjo had warned that a variety of portable power equipment is being added more new features, and the battery fails to keep pace with demand for the development of a mobile device is about the energy crisis the advent of. At present, the number of new battery technology has come out, it just may be able to meet their urgent needs, but the industrialization of new technologies still need time.

It is reported that the United States in February this year, Reno, Nevada City, Altai company (Altair Nanotechnologies) has developed a lithium-ion battery, which can be filled with just six minutes of electricity, each time after the charge to reach the current rechargeable battery 10 times to provide the greatest strength of the current can reach 3 times now. Altai’s this new technology is the use of nano-crystalline lithium titanate anode to do, through chemical techniques to achieve specific surface area of about 100 square meters per gram, and the existing carbon anode surface area per gram of only about 3 square meters. Its anode surface area greatly, which makes electronics to quickly enter and leave the anode - which can rapidly discharge when needed and provide strong current. Perhaps the camera phones will be able to have enough power of the flash drive.
Altay said the advantages of this dell inspiron 1521 battery will not stop there. The smooth surface of carbon anode easy to use and rechargeable batteries due to temperature changes in the repeated damage to its life cycle in about 400 charge. R & D head of the Altai Roig said Graham, lithium titanate anode surface is more uneven number of battery charging will allow up to 20,000 times longer service life, will also be environmentally friendly.

In June this year, Altai is also from the United States National Science Foundation (NSF) received 477,000 U.S. dollars of funding to further the use of electrodes in the two nanoparticles, the design can further increase the energy density batteries, as well as to shorten the charging time.
Toshiba also announced the successful development of a nano-technology batteries, it can be reached at 1 minute 80% of charge volume. While Toshiba continues to enhance this stability and reliability of batteries, but next year intends to sell the new battery. It is learned that this battery will be used for trams and the first power tools, because of the high energy and fast charge on the trams and electric tool is especially important.

In addition, there is a completely different battery, which the “current beta” (beta voltaic) technology. This “beta cells” using radioactive sources of beta radiation particles produced in the semiconductor current, like solar cells through the absorption of incident light from the sun have a sub-current of the same energy. Beta longer dell inspiron 1501 battery,dell inspiron 1520 battery life, can be used in space probes, pacemakers and other devices. of the United States to thank the University of Rochester noted that, while safe and reliable current beta, but limited the energy generated.
At present, the research team of the Tse-fu found that can achieve 10 times the effectiveness of the method, an increase of the size of the exposed semiconductor surface. Hsieh Fu is not used in the semiconductor surface, but a porous silicon, silicon surface etching deep holes. Hollow of the radioactive gas was almost completely surrounded by the semiconductor, thereby increasing the absorption of beta particles in semiconductor opportunities.

Although these cell technology sounds very good prospects, but before the reality of the world seems to be, no matter how battery technology research and sleepless nights increase the battery energy, the results of those studies are always new ways of consumption of electricity is far left of the staff .

South Korea successfully developed the high-energy dell inspiron 1521 battery sheet

It is reported that South Korean scientists successfully developed a solar energy battery sheet. This thin flexible batteries will become a new generation of mobile communication terminal supporting power supply.

Such as fuel cell sensor plate solar cells, shape like a piece of paper, a half of A4 paper so much. This cm2 area of each cell can generate 4.8 milliwatts of electricity, which is so far the highest power-generating capacity of solar cells fuel sensor.

ZHU Guang-ming said that the traditional thermal energy through the conversion many times

Monday, July 20th, 2009

Research on the United States Air Force Academy UAV using hydrogen fuel cell technology

United Kingdom, “Journal of Defense Systems” report, at the U.S. Air Force Academy in Colorado, there are 11 departments in carrying out research on the UAV, which the Department of Chemistry faculty and students who are studying the UAV can be used for hydrogen fuel cell(dell inspiron 1100 battery,dell inspiron 1150 battery) technology.

As early as the college about 10 years ago have begun to set foot on the technology, then it is located in boulder, Colorado City (Boulder) and the Ball Aerospace is located in Littleton, Colorado (Littleton) component companies of the hydrogen (Hydrogen Components) launched a fuel cell and hydrogen storage materials research, the aim of seeking a Special Operations Forces soldiers to replace individual products with the battery. In the current study, the development of fuel cell companies by Powell Aerospace, Chemistry Department of the teachers and students specializing in the study of hydrogen and hydrogen generator component parts of the development.

Chemical formula of the overall concept of the hydrogen generator is the use of lithium and aluminum hydride as hydrogen storage materials, through a chemical reaction to the metal hydride to release hydrogen, which produced a fuel cell hydrogen fuel required. To the UAV example, the release of hydrogen fuel must be consistent with the speed and flow of power it needs to match.

In the field of unmanned aerial vehicles, hydrogen fuel cell technology will be the main target is the small UAV electric propulsion. With the use of internal combustion engines or turbine engines as compared to electric propulsion of the acoustic radiation and thermal radiation are relatively low, they are able to improve the UAV can detect the performance of the low. In addition it will start reliably, and very tight. However, today’s conventional battery electric propulsion for unmanned aerial vehicles is still too heavy, and the weight of hydrogen fuel cell power than conventional batteries(dell inspiron 1300 battery,dell inspiron 1420 battery), such as more than 50% of light.

At present, for the realization of hydrogen production rate of 6 percent of the chemical methods used in practice only the potential to play a half. Test participants were under way to resolve this issue. They are trying to use nano-technology (Nanoparticle Technology) so that each hydrogen atom of raw materials can be used also to examine the use of a catalyst to improve the response in the process of hydrogen production rate, this may also improve the hydrogen utilization of raw materials.

Looking to the future, hydrogen fuel cells could replace the ground-based vehicles (including trains) of the existing power plant and power generation equipment has become common. In the current global electricity consumption is about 13 terawatts (1 terawatts watt = one trillion), most of which come from oil, coal and natural gas.

Photo: Model of solar panels has attracted many visitors

October 15th, in Jiangsu Province, Nanjing International Exhibition Center of Science and Technology Museum on display solar panels model attracted many visitors-dell inspiron 1100 battery,dell inspiron 1150 battery. Shenzhou VI manned spacecraft was successfully launched makes Nanjing International Exhibition Center is the “fly in space - China’s manned spaceflight (Nanjing) Exhibition” increasingly popular. According to organizers, since since October 12, the show ushered in a daily average of nearly million visitors.

The new battery technology making: the need to support their own power grid power generation

Power does not need support, be generating their own? Sounds implausible, but it is true. Yesterday afternoon, Shenzhen University Institute of Energy Materials Research of Zhu Guangming teachers and visitors to reporters on the spot to demonstrate this advanced “space-hydrogen proton exchange membrane fuel cell.”

ZHU Guang-ming said that the traditional thermal energy through the conversion many times, once for each conversion, there will be leakage of energy. And “empty of hydrogen proton exchange membrane fuel cell” is coming to a clean hydrogen-based renewable energy systems in support of the main grid does not need to own generation? Sounds implausible, but it is true. Yesterday afternoon, Shenzhen University Institute of Energy Materials Research of Zhu Guangming teachers and visitors to reporters on the spot to demonstrate this advanced “space-hydrogen proton exchange membrane fuel cell.”

ZHU Guang-ming said that the traditional thermal energy through the conversion many times, once for each conversion, there will be leakage of energy dell inspiron 1300 battery,dell inspiron 1420 battery. And “empty of hydrogen proton exchange membrane fuel cell” is coming to a clean hydrogen-based renewable energy systems