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Inside the power source for portable electronics and electric vehicles.
Once the rising star of the clean-tech industry, the advanced battery maker faces an uncertain future.
A second recall of its batteries calls the company’s future into question.
Despite losing over $250 million last year, the company remains optimistic.
If Envia can overcome some key problems, its technology could cut the cost of electric-car batteries in half.
A sheath of carbon nanotubes or conductive polymer improves the charge-storage capacity of electrodes.
Boston Power’s move reflects China’s willingness to provide incentives for companies in strategic industries.
Nanotube anodes could lead to higher-energy, faster-charging batteries for cell phones and notebooks.
A new fabrication technique lets batteries use tin electrodes, and store more energy.