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U Alberta team develops hybrid sodium-ion capacitor; intermediate in energy & power between ultracaps and batteries

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A team led by researchers from the University of Alberta (Canada) Scientists has developed a hybrid sodium-ion capacitor (NIC) using active materials in both the anode and the cathode derived entirely from peanut shells—a green and highly economical waste globally generated at more than 6 million tons per year. doi: 10.1039/C4EE02986K.

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PG&E, Calif. Energy Commission launch 4MW sodium-sulfur grid storage pilot in San Jose

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Pacific Gas and Electric Company (PG&E) and the California Energy Commission today unveiled a utility-scale sodium-sulfur battery energy storage system ( earlier post ) pilot project to better balance power needs of the electric grid. The system has a 4 megawatt capacity, and can store more than six hours of energy.

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GE demonstrates dual battery system for electric buses; pairing high-energy density sodium battery with high-power lithium battery optimizes performance and lowers cost

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The hybrid systems research team at GE Global Research has successfully demonstrated a dual battery system for an electric transit bus, pairing a high-energy density sodium metal halide battery with a high-power lithium battery. Most types of batteries today come with a trade-off between power and energy storage.

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BC Hydro and SC Electric Company partner on sodium-sulfur battery energy storage project

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BC Hydro has selected S&C Electric Company, a renewable energy integration company, for a sodium-sulfur (NaS) battery energy storage project intended to improve service reliability for a remote mountain community in British Columbia. This integrated solution optimizes total system efficiency and reliability for the community.

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GE posts $63M in orders for Durathon sodium-halide battery systems

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GE’s Energy Storage business announced $63 million in new Durathon sodium-halide battery orders since the business launched in July. In its first weeks of operation, the business secured 10 new telecom customer orders across several regions, including Africa, Asia, India and the US powering a total of more than 3,500 cell towers.

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New liquid alloy electrode significantly lowers operating temperature of sodium-beta batteries; improved performance

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Researchers at Pacific Northwest National Laboratory (PNNL) have devised an alloying strategy that enables sodium-beta batteries to operate at significantly lower temperatures. The new electrode enables sodium-beta batteries to last longer, helps streamline their manufacturing process and reduces the risk of accidental fire.

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GE testing sodium halide battery/Li-ion battery/fuel cell hybrid system for transit bus

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GE’s ecomagination.com publication reports that GE engineers have begun testing a transit bus equipped with a new hybrid energy system integrating GE’s Durathon sodium-halide battery ( earlier post ), a lithium-ion battery and a hydrogen fuel cell. Current fuel-cell-powered buses must include batteries to provide power for acceleration.

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