SAM II EV Ecar - Innovative Technology and Ecology

SAM II EV Ecar - Innovative Technology and Ecology

The SAM was one of the first electric car as he arrived in 1993 to the market. From this long experience in the manufacture of electric vehicles will benefit buyers of this small car, because it contains a proven technology. The vehicle is aware of a small two-seater with only three wheels designed as a low power consumption is an important requirement for electric vehicles. Only small and light vehicles can provide great coverage and speeds suitable for everyday use, without it being to large batteries required. The SAM II EV has a range of 90 kilometers, for commuters and for use in city traffic is usually sufficient. Its maximum speed is 90 mph and is also designed for city driving and short distances on highways.

His energy of the SAM II refers EV lithium-polymer batteries, highlighted by both the heating and cooling of the vehicle and the heating of the windshield. The brushless drive motor is equipped with a permanent magnet and provides a nominal output of 11.6 kW, while peak power is 19 kW. The innovative energy-recovery technology in braking mode can increase the range of the SAM II EV even by 8 to 12%. The vehicle offers three different driving modes, Eco, sports and snow mode to be prepared for every situation on the road.

The charging of the batteries is possible at any standard Schuko socket. For a full charge the batteries need five hours, but after an hour charge time, 40% of the electrical charge reached. Thus, the SAM II EV refuels during working hours or the shopping spree at a charging station in the parking lot all by itself again in full. The power consumption of the SAM II EV is 8 kilowatt-hours for 100 kilometers. With a vehicle weight including the battery pack of 500 kg allows the vehicle has a payload of 220 kilograms and provides plenty of capacity for two adult passengers.

Volkswagen calls for electric car subsidies

The carmaker Volkswagen combines its research and development in electrical engineering with Wolfsburg, but will be centrally responsible. It is to be in the words of VW spokesman Christian Buhlmann clarified especially as the batteries can be grouped into units, such as the holding period is long, what they need and cooling take place as the power demand is. In addition to Wolfsburg Palo Alto is the second largest site, where about 100 people are employed with the electrical mobility and the Google navigation.

The personnel there to check how far can integrate lithium-ion batteries in electric cars. The new CEO Martin Winterkorn has called the policy in Europe for the promotion of electric mobility. The planned promotion in the U.S. and China are the main reason for this demand. According to him, significant investments to introduce the electric car technology would be needed. In China for buyers of electric vehicles up to 4,600 euros in grants which the purchase is affordable. The automaker is the electric version of the VW Golf and the electric car VW Up! in 2013 to introduce to the market.

Tazzari plans electric Cabriolet

The Italian electric car manufacturer Tazzari plans for spring 2012, the launch of an electric convertible under the name Tazzari Zero Roadster. The range should amount to the manufacturer's instructions with one battery charge to 140 kilometers and are the maximum speed at 100 mph. Since early 2010, the electric car will be purchased as a closed variant in Germany. In Silence by Germany GmbH in Salzgitter in the dealership Strube, the Tazzari and other electric vehicles to be admired.

The city car is the same as in Salzgitter in the capital in the government district in a showroom, where it waits for its buyers. At the beginning of may orders for the Tazzari electric car was abandoned. The crude oil will be exhausted in 20 to 30 years and by then, the alternative energy sources have become established. The electric cars can only be successful if a nationwide charging stations network is established and the range increases and the prices are reduced.

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Multi-junction solar cell

Multi-junction solar cell

7 to 9 and July last year, in Freiburg, Germany (Freiburg) the Fraunhofer Institute for Solar Energy Systems (Europe's largest research center Fraunhofer-Gesellschaft 80 research institutes, one short FhG-ISE), the European record of solar cells increased by the 37.6% to 39.7%, after several efforts, and finally multi-junction solar cells a new world record - more than the U.S. Department of Energy Renewable Energy Laboratory (Department of Energy's National Renewable Energy Laboratory) 40.8% before.

Such a high efficiency multi-junction solar cell is mainly used to focus on photovoltaic systems (concentrating photovoltaic, referred to as CPV), direct conversion of sunlight as the sun, the source of power throughout the town. Will focus sunlight on a small (5mm) multi-junction solar cells, in solar energy equivalent to 454 can achieve 41.1% conversion efficiency, even in the higher energy 880 is still under solar irradiation measured 40.4%, the battery can be a wide use of sunlight intensity, and with more than 40% conversion efficiency.

Like the battery before the FhG-ISE, the new battery still use the deformation of the extension of the three junction structure and the lattice mismatch Ga0.35In0.65P/Ga0.83In0.17As / Ge (gallium indium phosphide and gallium indium arsenide deposited on Ge) layer structure. Compared with conventional solar cells, separation of the semiconductor material and there are no same lattice constant, we can only use the extension to combine the two layers of distortion, it is difficult to obtain high quality film, the other because of different between the two materials The lattice constant, combined prone to stress, resulting inserted row or other lattice defects.

By Frank, Dr. (Frank Dimroth) led group III-V Epitaxy and Solar Cells group, FhG-ISE to overcome the above difficulties and deficiencies limited to the electronic non-active zone, while the active area is relatively free of defects retained, which is to indispensable to achieve high conversion efficiency factor. "This is a good example and tell us how to use technological breakthroughs to control the crystallization of the semiconductor defects" Fraunhofer ISE's President Ike Weber (Eicke R. Weber), Dr. mentioned.

Multi-junction solar cell can be used in a variety of deformation of the extension group III-V compound semiconductors, the high efficiency of the battery structure formed by the appropriate materials can be divided into three bands of sunlight were to absorb. Researchers suggest that this is an important conclusion is that using a series of material connected to form the solar cell, its components will be the current minimum current that part to the limitations of the use of deformed extension of the battery Ga0.35In0.65P / Ga0.83In0.17As/Ge, can make the current matching, the complete output (multi-junction cell structure are produced close to three times the current of the battery), this is the battery can achieve high conversion efficiency of the important reasons.

Last year by the Fraunhofer ISE 37.6% conversion efficiency will be increased to 39.7% by adjusting the front-end structure of the metal thin wire has a lower contact resistance can pass large currents, therefore more suitable for concentrated solar constant of 300 ~ 600. Frank mentioned that the latest change in front of the metal thin battery is the graphics, and has a better quality film. In order for the technology and existing technology as a competitive, fast and feasible, Fraunhofer ISE in Germany Heilbronn (Heilbronn) of the Azur Space co-operation and technology transfer, also in Freiburg Concentrix Solar GmbH. "And the other focusing photovoltaic systems, our high efficiency solar cells is the most efficient way to reduce the cost of electricity" Fraunhofer ISE's Director, Dr Andrew Bate (Andreas Bett) mentioned. Fraunhofer ISE With the new battery to the goal of high conversion efficiency, a major step forward, and soon, the cost of photovoltaic power generation can compete with traditional power.

Dr Frank by changing the cell structure that will help make this type of battery has a long-term advantage, and to improve efficiency to 42 ~ 43%. Over the past 15 years, researchers at Fraunhofer ISE is committed to III-V family of multi-junction solar cell used in photovoltaic systems research focus from the beginning of the German Federal Ministry of Education (German Federal Ministry of Education and Research, referred to as the BMBF) for support Now while the German Federal Environment, Nature Conservation cum Nuclear Security Administration, Intelligent Energy Bureau (German Federal Ministry for the Environment, Nature Conservation and Nuclear Safety, called BMU) to provide financial aid, scholarships for doctoral students, the future will be faster and better results to share with the world.

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Sony a (alpha) DSLR-A350 Camera Review, via digitalcamerabattery.us blog

Sony a (alpha) DSLR-A350 Camera Review, via digitalcamerabattery.us blog

Sony plans to aggressively attack the market with a number of new DSLR SLR cameras is no secret. We had the opportunity to get their hands on the new Alfa 350 and Alfa 200’s again. Here are our first impressions of this very close family, including Sony’s interesting solution to the problem of prolonged exposure time cycle with Live View.

The Sony Alpha A350 offers new technology that makes images faster, easier and more familiar for users of digital SLR cameras for the first time. "According to the press release from Sony.

Note: Most of our findings are also applicable to the Sony Alpha DSLR-A300, also presented at the PMA and is essentially a version of 10-megapixel sensor of the Sony A350, with a lower price.

As for what Sony is promoting the main event of the Sony Alpha DSLR-A350 digital, including;

• Very high resolution 14.2 effective megapixels for beautiful images of the Convention detail, rich tones and bright colors


• Large LCD high-resolution 2.7-inch two-way leveling fire for freedom and comfort at different angles


• Quick AF Live View autofocus quick and accurate and responsive AF performance even with fast moving objects


• Improved in-camera Super SteadyShot to reduce vibration.

The Sony A350 features a new 14.2 megapixel sensor. There is a multiplier of 1.5 x focal length lens is used to obtain the equivalent field of view (FOV) in 35mm terms. Sony Alpha A350 SLR sweet with DT 18-70mm aperture-priority, that large JPEG, the size of 18 mm, 1 / 50 sec at f/5.6, ISO 200, WB Fluorescent central point cut from the lens.

The Alpha DSLR-A350 features a 14.2 megapixel CCD sensor, Live View, a vertical swivel screen, and like all Alpha DSLR-integrated sports anti-shake sensor offset establishments participating in the work aimed to set. It’s just the house or as a kit with the lens Sony DT 18-70mm.

Interestingly, this is not the main sensor, Live View facilities includes, but integrates a secondary sensor in the viewfinder. Sony has broken the traditional Live View systems in the setting of additional sensor in the viewfinder with a tilt mechanism that directs the light is, either through traditional eye. The advantage is not related to the conventional AF in Live View-bypass, so that the autofocus-A350 as fast as you normally would, without interruption or noise.

Making life even more useful view is that a retractable screen can be tilted vertically to allow wide-angle high or low easily. The A350’s screen can not turn the page, or turn on the face, but still a very flexible function.

Like all Alpha DSLRs, the sensor is located on the main platform for moving a mounted adjustable to compensate for camera shake. You do not see the effect on the viewer - or in Live View - but it gets to work with everyone who is going. This not only saves money, it means that you are the stabilization of the lenses that most manufacturers are not suitable as a benefit stabilization system as a standard 50 mm models.

Sony Alpha A350 Battery Grip Replacement - Product information

* Product Type : Battery Grip Replacement for Sony Alpha A300/Alpha A350/Alpha A200 DSLR cameras.

* The most attractive point is that the Alpha A350 Battery Grip Replacement can put in 2 pcs high capacity NP-FM500H Lithium Ion battery which allows 2500 shots in one full charge and makes it as a perfect product for professional photographers.

* The Sony Alpha A350 Battery Grip Replacement equipped with a vertical-grip shutter button, command dial, AE lock/FE lock, and AF point selector button to enable shooting in the same fashion as a horizontal grip.

* Order Sony Alpha A350 Battery Grip Replacement today: Full One year waranty and 30 days money back.

 

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Price of solar cells or bottom out

Price of solar cells or bottom out

Solar cells from the 4th quarter, began to cut production, the recent play seems to gradually cut overall effect, prices began to have stabilized, customers are asked about signing an increase in the frequency of a phenomenon, but solar industry said, because the prices close to low water level, current price contract to worry about the price rebound in 2009, but in a wait and see attitude.

Solar subsidy policy by the Spanish exchange in September and the financial turmoil, the two sides thereof facing the solar industry, orders for instant shrink dilemma facing the 4th quarter of unprecedented proportion of high inventories and cut-off, many small solar cells Factory 11,12 revenue contribution is minimal, and substantially cut the other side of the wave of layoffs is not stopped.

Continuing pressure to enlarge the environment, coupled with the financial turmoil caused by the financing, the price of solar cells fell sharply rare show from the August peak of the highest per-watt shouted 3.5 to 3.8 U.S. dollars, to 12 months outcry spacing of continually expanding, 2.1 ~ $ 3 per watt, the water level has a turnover of examples, highlighting the market clutter.

But 2.1 to $ 2.2 per watt, low price of water, solar-cell factory for most purposes are bottom of the price, if the source material procurement costs are not competitive, then the price of losing money is more likely the water level, in consideration of the new polysilicon material sources out of the situation is still poor, the source material prices fall again space is limited, therefore the price hit bottom solar cells, recently has attracted many of the module factory initiative to ask, hoping to sign at this price in a single year in 2009 contract.

Motech that appears in late December, the battery tends to decline in value does have a smooth trend, but their prices Motech level remained at 2.4 to 3 dollars per watt, the current prices are still unable to accept the low water level, in particular, Many signed their long, in fact, the price level are quite good, the quality requirements of the client better than the price gap.

Yi Tong pointed out that late December price decline in the battery does have the phenomenon of stabilization, which should be attributed to solar-cell factory in Taiwan to quickly adjust production capacity caused by the recent initiative to ask the client to sign a short about 1 year did increase the frequency, but consider the price of a rebound in 2009, the opportunity is still waiting to see, do not intend to rush contract, resulting in loss of future unnecessary post.

Solar industry said the price bottomed out yet wait and see but the demand stabilized, so the industry will continue as both sides expected the order to determine the capacity of the hands of utilization rate, estimated the short term will help to increase the stability of prices.

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