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Valence Technology to Provide Lithium Phosphate Battery Packs to The Tanfield Group
7 February 2008
|The US version of the Smith Electric Vehicle Newton.|
Valence Technology, Inc. has entered into a contract with The Tanfield Group Plc to manufacture and supply Lithium Phosphate energy storage systems to power Tanfield’s all-electric commercial delivery vehicles. The Valence battery systems will be installed in vans and trucks produced by Tanfield’s UK-based trading division, Smith Electric Vehicles, the world’s largest manufacturer of electric vans and trucks.
Under the agreement, Tanfield will purchase up to $70 million of Valence products in the contract’s first phase. Valence has already received a firm purchase order for the first calendar quarter.
The agreement will also result in Tanfield becoming the first volume customer for Valence’s third generation Lithium Phosphate Epoch technology, a battery system equipped with an advanced management system that monitors and automatically adjusts cell performance so battery packs operate at their optimum performance capacity. (Earlier post.)
The Epoch systems deliver significant electronic, mechanical and thermal improvements over Valence’s second-generation U-Charge product, according to the company. Some of the main advantages are fail soft capability designed to eliminate system failure caused by a single cell, improved balancing for optimized energy delivery, enhanced SOC calculation, higher system voltage capability, field serviceability, remote access capability and higher continuous discharge capability.
Epoch systems have a life cycle comprising more than 2,000 charge cycles when deep discharged in demanding electric vehicle applications.
The Epoch brand of customizable battery packs will be available in 12.8 volt and 19.2 volt modules and will allow users scalability up to 390 kWh.
We are constantly looking for new, cost-effective technologies that can improve our zero emission commercial electric vehicles and broaden our customer base. The Valence battery pack is an efficient, inherently robust and reliable system that gives us greatly increased flexibility in vehicle design.—Darren Kell, Chief Executive of The Tanfield Group Plc
Tanfield launched the first of its new generation of Smith zero-emission commercial vehicles in December 2006. Customers include Sainsbury's Online, the Royal Mail, TNT Express, Carlsberg, Balfour Beatty, Amey Construction and DHL Exel Supply Chain. Smith launched its first United States-specific vehicle at EVS-23 in California in December 2007. (Earlier post.)
Epoch data sheet
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