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Thermal Energy Storage Is No Longer Just Hot Air

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Energy storage has two main factors—how fast it can be charged and discharged (the spigot) and how much total energy it can hold (the bathtub). Batteries have a powerful spigot, but that comes at the cost of a small tub. The compressed air, once heated, drives a piston that runs a generator to produce electricity.

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MIT team calls initial performance results of magnesium-antimony liquid metal battery “promising”

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Sadoway and Bradwell, along with Dr. Luis Ortiz, are also founders of Liquid Metal Battery Corporation (LMBC), a Cambridge, Massachusetts company founded in 2010 to develop new forms of electric storage batteries that work in large, grid-scale applications. —Bradwell et al. —Bradwell et al.

MIT 301
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New $30M ARPA-E program to develop new solar conversion and storage technologies; targeting higher solar penetration in mix

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Schematic comparing the cost and dispatchability of PV to CSP with thermal storage. The “PV+Storage” box includes the high cost of electrical storage for PV. The FOCUS Program target zone for electricity generation is indicated. Source: ARPA-E. Click to enlarge. Source: ARPA-E. Click to enlarge.

Solar 290
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California Energy Commission awards more than $5.5M for green transportation projects and $1.8M for 20 energy research projects

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University of California, Davis , was awarded $86,420 to determine the feasibility of using nanotechnology to increase the capacity of portable electricity storage units, reducing the cost of electricity storage. Electricity: Negawatt Consulting, Inc. Electricity: Negawatt Consulting, Inc.

San Diego 346