A123 Systems Inc.

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Jason Forcier (right), vice president and general manager of A123 Systems Inc., shows off a lithium-ion battery at a plant in Romulus, Mich., in 2011 to (from left) A123 President and CEO David Vieau, Rep. John D. Dingell, Michigan Democrat, and Energy Secretary Steven Chu. Now in bankruptcy, the pending sale of A123 to a China-based company has vendors and stockholders trying to recoup some of they money they have lost. (Associated Press)

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**FILE** A123 Systems Inc. high power Nanophospate Lithium Ion Cell for Hybrid Electric Vehicles batteries are shown Aug. 6, 2009 in Livonia, Mich. (Associated Press)

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** FILE ** An A123 Systems Inc. logo is shown in Livonia, Mich., in 2009. (Associated Press)

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**FILE** An A123 Systems Inc. logo is seen here in Livonia, Mich., on Aug. 6, 2010. (Associated Press)

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In this Feb. 23, 2007, file photo, President Bush, center, listens to Dave Vieau, President and CEO of A123 Systems, right, as he is shown a Toyota Prius plug-in hybrid car utilizing a lithium power battery during a demonstration of alternative fuel automobiles on the South Lawn of the White House. Short of cash and hurting from slow sales of electric cars, battery maker A123 Systems Inc. sent its U.S. operations into bankruptcy protection on Tuesday, Oct. 16, 2012, and quickly sold its automotive assets. The filing is likely to stoke the debate in Washington over the Obama administrationÃs funding of alternative energy companies. In 2009, A123 got a $249 million Department of Energy grant to help it build U.S. factories. Republicans have accused Obama of wasting stimulus money on the companies after the failure of politically connected and now-bankrupt solar power company Solyndra LLC, which left taxpayers on the hook for $528 million. (AP Photo/Charles Dharapak, File)

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In this Aug. 9, 2007, photo, a man walks from the A123 Systems Inc., in Watertown, Mass. After years of struggling with weak sales and mounting losses, the electric-car battery maker filed for bankruptcy protection and reached a deal to sell its automotive assets, Tuesday, Oct. 16, 2012. (AP Photo/Boston Herald, David Goldman)

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In this Aug. 9, 2007, photo, development technician Ronnie Wilkins reaches for some development powder stored in a glove box used in lithium car batteries A123 Systems Inc. headquarters in Watertown, Mass. After years of struggling with weak sales and mounting losses, the electric-car battery maker filed for bankruptcy protection and reached a deal to sell its automotive assets Tuesday, Oct. 16, 2012. (AP Photo/Boston Herald, David Goldman)

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An A123 Systems Inc. logo is seen in a Thursday, Aug. 6, 2010, file photo in Livonia, Mich. A123 Systems says Tuesday, Oct. 16, 2012, that a default on some of its debt is likely and it may be heading for bankruptcy protection. (AP Photo/Paul Sancya, File)

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This Thursday, Aug. 6, 2009, file photo, shows A123 Systems Inc.'s high power Nanophospate Lithium Ion Cell for Hybrid Electric Vehicles batteries in Livonia, Mich. Short of cash and hurting from slow sales of electric cars, battery maker A123 Systems Inc. sent its U.S. operations into bankruptcy protection on Tuesday, Oct. 16, 2012, and quickly sold its automotive assets. The Chapter 11 filing in Delaware came one day after A123 warned that it likely would miss some debt payments and could be headed for court-supervised restructuring. (AP Photo/Paul Sancya, File)

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In this April 30, 2010, file photo, from right, A123 Systems, President and Chief Executive Officer David Vieau, A123 Systems electrical engineer James Fenton and A123 Systems design engineer Antonio Biundo, stand next to President Barack Obama, as he speaks in the Rose Garden of the White House in Washington. Short of cash and hurting from slow sales of electric cars, battery maker A123 Systems Inc. sent its U.S. operations into bankruptcy protection on Tuesday, Oct. 16, 2012, and quickly sold its automotive assets. The filing is likely to stoke the debate in Washington over the Obama administrationÃs funding of alternative energy companies. In 2009, A123 got a $249 million Department of Energy grant to help it build U.S. factories. Republicans have accused Obama of wasting stimulus money on the companies after the failure of politically connected and now-bankrupt solar power company Solyndra LLC, which left taxpayers on the hook for $528 million. (AP Photo/Haraz N. Ghanbari, File)