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Li-ion battery start ups have been the dot.coms of the last few years. And like that not-so little bubble, a report now warns of a brewing global overcapacity, and coming shakeout. Some sixty li-ion battery makers are in various stages of development and production, fueled by projected EV demand. GreenCarCongress reports:

a new report from Roland Berger Strategy Consultants, planned investments in lithium-ion manufacturing will result in significant overcapacity between 2014 and 2017 relative to the demand generated by that growth, especially in the US and in Japan.

As a consequence, Roland Berger forecasts, only six to eight global battery manufacturers will survive the next five to seven years. These are the findings of a new market survey conducted by Roland Berger Strategy Consultants titled “Powertrain 2020: Li-ion batteries – The next bubble ahead?”