10 Concept chargers harvesting alternative energy sources

September 6, 2011 by  
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Shaheen Akhtar: Concept cellphone charger Concept cellphone charger by Clara Zamboni The availability of ecofriendly concept chargers has reduced our dependency on electric chargers to a great extent. These ecofriendly chargers use green energy to charge mobile phone and other gadgets. These chargers are designed and built to use the kinetic energy of these gadgets to charge them if required. Here is the list of 10 concept chargers that harvest alternative energy sources. 1. I-Green Charger concept I-Green Charger I-Green Charger concept Fandi Menf, an industrial designer, has manufactured a concept generator that can be used to charge cellphones using renewable energy. Menf has named his innovative creation the I-Green Bicycle Charging System. The device harvests kinetic energy generated by the movement of bike and then convert this kinetic energy into electricity. 2. Concept shoe charger shoe charger Shoe charger concept The highly innovative concept shoe charger is the brainchild of Argentine Industrial designer Soledad Martin. It is an ecofriendly device which generates renewable energy by harvesting motion. The device is attached to the shoe of the user and it generates energy due to the motion of the person. The charger has a socket to plug in the mobile phones if you wish to recharge it using this concept shoe charger. 3. iFan concept iFan concept iFan cahrger concept The ecofriendly charger for the iPhone is designed and built by industrial designer Tjeerd Veenhoven. The charger called the iFan concept provides protection to the device by wrapping around it and it uses the wind energy to charge the iPhone. The iFan concept will attract those who are frequent travelers. According to Veenhoven, the concept charger will charge the iPhone in around six hours. 4. Concept solar powered charger solar powered charger Solar powered charger concept Designer Nikolay Bastrakov is credited with manufacturing a concept charger that is powered by solar energy. The device is compact, easy to carry, and stylish in look. This charger is made from silicone and the designer has used polymer to make it light and sturdy. ‘Thin film’ solar cells are used in this charger. This unique charger contains a converter, a small battery, and a microprocessor. 5. Magic Rubik’s Cube charger concept Magic Rubik’s Cube charger Cube charger by Magic Rubik Designer Zheng Weixi has conceived the idea of the Magic Charger concept that harvests alternative energy source to generate electricity. Zheng has used the principles of electromagnetic induction in this ecofriendly charger. 6. Concept cellphone charger by Clara Zamboni Concept cellphone charger Concept cellphone charger by Clara Zamboni This innovative Lotus charger is deigned by industrial designer Clara Zamboni. This hand-held charger can harvest the human energy to generate electricity which can be used for charging mobile phones and other devices. According to Zamboni, the energy generated by the rotation of nanogenerators using the thumb is converted by the Lotus. The Lotus has a USB output. 7. Roll Charger concept Roll Charger Roll Charger concept Chinese product designer Jiang Qian is credited with developing a roll charger concept. Jiang’s device uses the mechanical energy generated in the balls to generate electricity. When balls are rolled in the palm, they generate energy and this energy is harnessed by the Roll Charger. The charger can charge two batteries at a time. Jiang has fitted a LED in this charger which allows the user to know whether the charger is working or not. 8. Dyson energy wrist charger design concept Dyson energy wrist charger Dyson energy wrist charger concept This ecofriendly charger is different from all other green charger we have talked before because you can wear this one on your wrist and recharge your cellphone. It is interesting to note that this concept charger doesn’t harness the energy of motion. The charger generates electricity by making use of the changes in the temperature of the wrist of the user. Since the charger is based on the thermoelectric effect, it features a thermocouple. 9. Viber Burst kinetic energy charger Viber Burst kinetic energy charger Viber Burst kinetic energy charger concept Swinburne University student Josh Pell has come up with the idea of a concept charger named Viber Burst. This green charger harnesses the power of motion and can charge cellphone in only two seconds. Pell has mounted the internal components of this charger on a flexible PCB. The device will be available for sale in recycled packaging. 10. Yoyo Mobile Phone charger Yoyo Mobile Phone charger Yoyo Mobile Phone charger concept The Yoyo Mobile Phone charger concept harvests kinetic energy. An inbuilt dynamo harnesses the energy from motion to generate electricity. The user just need to keep spinning the device until the battery gets fully charged. The battery can be used to recharge several electronic devices.

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10 Concept chargers harvesting alternative energy sources

Compressed air system to save wind power for future use

September 6, 2011 by  
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Nandini Moulik: Wind Turbines Wind energy stored as compressed air As the demand for clean energy from renewable resources soar, implementation of technologies to save and maximize energy usage always remains the top priority. Given the situation of fast depletion of fossil fuels and environmental concerns, SustainX, a West Lebanon-based start-up has decided to use compressed air technology of storing wind energy generated by wind mills and producing the energy at peak hours. Air compression technology is not a new conception, but SustainX has come up with bigger plans to make it commercially viable. The wind generated by the windmills can be compressed and stored in underground caverns or depleted oil fields, which can be released later to produce power when the demand is high. This will reduce the dependency on fossil fuels. Storing of wind energy is a problem, but the necessity of storing this energy is ever increasing with the government imposing stringent rules in maximum power harnessing from renewable resources. SustainX has been successful in demonstrating a 40-Kilowatt prototype and is presently engaged in finishing a 1Megawatt project. The biggest advantage of compressed air technology is that it can generate power from the stored wind energy even when the wind is not blowing. The compressed air can be released to rotate the turbine blades and dispatch power according to the demand. This concept of Compressed Air Energy Storage (CAES) has been lurking in the minds of engineers for few decades, but then technical difficulties and the cost proved to be great barriers. Presently, higher energy prices have created a situation to implement compressed air technology to cater to the demand of clean energy market. Lack of enough storage space to store the compressed air for large scale power production is a big hindrance. SustainX has overcome this problem through the use of above the ground storage systems. The conventional turbine system does not work in above the ground storage tanks and SustainX has introduced pistons. These are cost effective and with better compression ability it can store more energy. Thus, above the ground storage tanks can store more energy than the same capacity underground caverns. Moreover, the pistons can function at a wider range when the tank pressure is too low to drive the turbines. Air compression generates a lot of heat and decompression requires heat. Much of the heat generated during compression gets wasted. The efficiency of CAES can be increased if the heat generated during compression can be stored. SustainX introduced a fine water spray in the cylinder to absorb heat generated during compression and the same hot water is used as a fuel during decompression. No wastage of energy and no extra heat requirement. The energy efficiency has shot up from 54% to 95%. SustainX uses electricity to drive the pistons in the storage cylinders. During energy release, the decompressed air drives the piston to run a generator. SustainX is working hard on isothermal compressed air technology due to its better energy efficiency. However, underground storage caverns are being considered more economically viable than above the ground storage tanks due to limited capacity of power production by the latter. Via: Technologyreview

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Compressed air system to save wind power for future use

10 Electrically assisted bikes designed for office goers

September 6, 2011 by  
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Kuldeep Sharma: Optibike Optibike electrically assisted Bikes – the word that creates an excitement because of speed and thrills attached to it. Most of the people either male or female love to ride bikes. Every one has craze for bikes. But can you believe that the time has come when you can use your bike to go to your office. If you have got bored of going to your office in the back seat of your luxury sedan, then it is the time to opt for a bike that can make your office going experience quite joyful. There are many of these bikes available in the market but here I am providing some of the best picked electric bikes that suits well for all office goers. Being electric bikes, they help you to reduce air pollution too. 1. Kettler Twin electric bike Kettler Kettler Kettler Twin electric bike is one of the most efficient and hybrid bike in its category. It is manufactured by German Bike designing company “Kettler”, it makes it at the top of other electric bikes. This bike uses Panasonic’s Electric Drive system incorporated with advanced Lithium Batteries. The bike has 7 or 8 gear hub that allows you to drive long distances at average speed. The weight of the bike is only 50 lbs that makes your ride a pure pleasure. It has option for both Pedalling as well as using electric motor system. 2. Optibike opti Opti bike Optibike is one of the most popular electric bike in this segment. Optibike is designed by Jim Turner. Jim Turner has been awarded for his bike designs. Optibike is made up of light weight carbon fibre that makes it very stylish also. Optibike comes with integrated GPS system, a PDA for monitoring the real time performance of the bike and the lithium-ion battery operated motor. On a single charge of battery, you can enjoy the pedal free ride for 2 hours. The bike comes with a hefty price tag of $13,000, which makes it slightly costly in electric bike segments. 3. Tharula Tharula tharula Tharula is one of the concept electric bike designed for the future roads of the year 2025. The concept for this bike is given by Diana Lumbasyo. This concept bike helps you get rid of crowded roads with its unique and extraordinary design. The bike is designed in Red Ferrari color with its looks like a circus ring. 4. World’s fastest electric bike Backtrail Backtrail If you think that bikes are usually slow, then this bike will change your thinking. Backtrail, one of the fastest electric bike can go upto a speed of 100 kph. The bike is manufactured by a German Bike manufacturer PG Bikes. The bike has a price tag of €59,500. Only 667 units of this bike will be manufactured by the company. 5. L3 Electric Bike L3 concept bike by Camilo Parra Palacio L3 concept bike by Camilo Parra Palacio L3 Electric bike concept is given by Camilo Parra Palacio, a columbian designer. This bike is single seater with excellent features like 1000 W motor, six lead acid batteries that can give ride upto seven hours without interruption. The bike is most suitable for the needs of emerging tourism industry. 6. VW Launches Car & e-Bike Combo Bik E Bike The well known car manufacturer company Volkswagon has come up with its “Bik.E”. Bik.E is a electric folding bike, that you can easily carry in your car. The bike contains frame integrated batteries that provide the bike a speed of upto 20 kph. Being only 20 kg in weight it fits easily with your outings. 7. Evaders: High Performance Electric Bikes Evader’s Scooter Evader’s Scooter Evaders is a stylish E Bike in its category. Available at a cool price tag of only $999 makes it a good buy. On a single charge this bike can go for 45 miles. The bike contains a 1000 W motor that offers a maximum speed of 35 mph. Noise level of this bike is very low. 8. Giant Twist Freedom DX Electric Bike twist dx Twist Dx Giant Twist Freedom Electric bike is a bike that combines electric power with the power of its rider. This bike was recently tested by Popular Mechanics. The bike has 3 modes like eco mode, normal mode, and sports mode to suit your style. 9. The A2B Electric Bike A2B A2B electric bike A2B electric bike is designed mainly for urban commuting. This bike has broader seat to give you a comfortable ride and can be charged at an ordinary electric socket. Even you can take your friend for ride on this as it has 2 seats. 10. New Modern Electric Bike from France The Matra MS1 Electric Bike Ms1 ms1 matra This bike is manufactured by French Bike maker “Matra”. This stylish bike can travel upto 60 miles at a speed of 30 mph. For this you need to spend around $5000. The bike contains an LCD screen that shows different parameters about your ride. Bike has Disc brakes for taking full control over the bike.

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10 Electrically assisted bikes designed for office goers

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