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Sodium as energy storage alternative

Sodium chemistry expected to play larger role in energy storage of the future.  Aquion Energy, NGK, and Pacific Northwest National Labs are in various stages of research and commercialization with sodium enabled batteries.  …

…   “Sodium’s selling point seems to be in durability, low cost, efficiency and safety, depending on whom you talk to and the chemical formula.”   …

Via Seeking Alpha: Energy Storage Companies.

Aquion Energy.

NGK Japan.

Pacific Northwest National Labs: “By adding the right amount of heat, researchers have developed a method that improves the electrical capacity and recharging lifetime of sodium ion rechargeable batteries, which could be a cheaper alternative for large-scale uses …”

Transformative material science for batteries.

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Posted by Green Tech on June 10, 2011 01:13 PM | Permalink|

Category: Battery

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A new London cable car that will cross the River Thames will provide commuters with an alternative transport option to cars, the London mayor has said.

Boris Johnson confirmed this week that work will begin from this summer on the link, connecting the Greenwich Peninsula with the Royal Victoria Docks, cutting travel times to five minutes.

The cable car promises to be a low-emission way to travel in the capital’s east end and could potentially lead to thousands of cars being taken off the roads as the 34 cabins will carry up to 2,500 people per hour across the 1.1km route.

London’s transport commissioner, Peter Hendy, commented: “The cable car will offer a new transport link with spectacular views of the Thames and other key attractions in the Capital whilst providing a much needed river crossing to boost the regeneration of this part of London.”

However, BusinessGreen.com questioned just how environmental the cable cars will be. It reported that according to studies by the UNFCCC, baseline cable car emissions are determined on fuel type and the transport used by passengers getting to the cable car.

Posted by Mark Stephens

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For more information please see: London cable car

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Structural adhesive bonding is an established joining method that has been used in the automotive market for 25 years without corrosion issues. Structural adhesives offer the following benefits: reduced stress points, leaks, and corrosion; resistance to extreme environmental conditions; and, enhanced sealing. Metal-bonding adhesives are used in applications such as aluminum-skinned satellite dishes, commercial signage, and land-based military transport vehicles where thermally induced stresses and wind loads create fatigue conditions. Structural acrylic adhesives offer high shear strength (from 1,000 psi to 4,000 psi) over a wide temperature range (-40°C to 170°C), making them as strong as welding and most other conventional fastening methods. Unlike screws, bolts or rivets, which concentrate the stress at the point of attachment, adhesives spread the stress over the entire bond area. Adhesives act as a sealant by keeping out moisture, and they compensate for dimensional irregularities by filling in gaps on poorly fitting parts. Furthermore, structural adhesives offer a process-friendly solution. Minimum surface preparation is required. There is no need to pre-drill holes or fill in over screw heads, and re-work caused by burning from welding operations is eliminated.

Solar panel construction offers many opportunities for structural adhesives. Adhesives can be applied between the glass and the metallic or composite frame, and are also used to attach the frame to the rack. In many systems, the bolts connecting the array to the racking and tracking systems require continual maintenance to ensure the operating integrity of the system. Reducing maintenance checks by using structural adhesives reduces costs, allowing a portion of the savings to be passed along to the consumer, which in turn makes solar panel systems a much more attractive energy option. Mechanical fasteners can also loosen over time due to wind-induced and/or structural vibration. Structural adhesives not only eliminate the problem of loosening fasteners, but also the need for maintenance followups. Structural adhesives also eliminate the weight of mechanical fasteners and improve stress distribution. And, huge inventories of bolts, washers, and screws can be replaced with one structural adhesive kit.

Structural adhesives are also finding acceptance in the manufacture of wind turbine equipment. In addition to offering reduced weight, structural acrylic adhesives have proven to reduce assembly time and corrosion protection.

As environmentally friendly energy sources become more popular, manufacturers will be looking for less expensive, more viable product construction methods. Using structural adhesives in place of mechanical fasteners will enable manufacturers to build a better product faster, more simply and with less cost. There is a big push for corporations to “go green.” Companies are adopting sustainability themes, and their shareholders, employees, and local communities are all interested in environmentally friendly practices. Structural adhesives offer the potential for cost savings, along with the reassurance of product durability and environmental stability.

Founded in 1924, LORD Corporation is a privately-held company that designs, manufactures and markets mechanical devices and electromechanical systems to control vibration, motion and noise; formulates, produces and sells general purpose and specialty adhesives, coatings and electronic materials; and develops products and systems utilizing magnetically responsive technologies. With headquarters in Cary, N.C., and sales in excess of $610MM, LORD has manufacturing in nine countries and offices in more than 15 major business centers. LORD Corporation employs more than 2,400 worldwide. Visit www.lord.com for more information.

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Manufacturers, academics and businesses are being called upon to develop alternative fuel options for heavy duty vehicles (HDVs).

Set to become one of Europe’s largest HDV efficiency programmes, the Energy Technologies Institute (ETI) hopes to improve the efficiency of HDVs, including construction and agricultural equipment, by 30 per cent.

According to the ETI, HDVs contribute eight per cent of the UK’s carbon emissions, but green transport fuels such as electricity and hydrogen are not seen as viable alternatives.

It claims that biofuels will be key to the future low carbon HDV market.

“Given the economic, security and climate change benefits of reducing fuel consumption there is a significant opportunity for early benefits from the introduction of improved vehicles, especially as the focus of European legislation is likely to move from emissions to fuel efficiency over the period required to develop significant vehicle technology improvements,” commented David Clarke, chief executive of the ETI.

The news comes after partners of the Low Carbon Vehicle Technology Project announced plans to develop electric vehicle technology for use in large cars.

Posted by Emily Thomas

Find out more about alternative fuels

For more information please see: ETI

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