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Energy Conversion Devices

Controversies

Controversies tied to this brand in public sources. A listing is not a finding of fault.

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  1. 2007

    Chevron–ECD Ovonics battery-contract dispute

    Chevron filed a legal claim alleging that ECD Ovonics had not satisfied contractual obligations associated with their battery relationship. ECD disputed the allegation. The dispute formed part of wider controversy over control, licensing, and commercial access to large-format nickel–metal hydride battery technology.