A123 Systems Inc. (AONE), a maker of rechargeable lithium-ion batteries for electric cars, filed for bankruptcy after failing to make a debt payment that was due yesterday.
The company listed assets of $459.8 million and debt of $376 million as of Aug. 31 in Chapter 11 documents filed today in U.S. Bankruptcy Court in Wilmington, Delaware. Chapter 11 is the section of the Bankruptcy Code used by companies to reorganize.
A123 didn’t expect to be on time [...]




