At the same time, there are dozens if not hundreds of battery companies trying to develop a breakthrough in battery costs and capacity. Here is a conceptual drawing of a grid storage battery from startup Eos Energy Storage. The battery uses a zinc air chemistry and changes in the component design to have reliable performance and very low costs, according to the company. It intends to test a system for easing grid congestion and storing renewable power in the next two years.
March 5, 2012 3:59 AM PST
Photo by: Eos Energy
| Caption by: Martin LaMonica
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