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Univ. of Texas researchers propose lithium- or sodium-water batteries as next generation of high-capacity battery technology; applicable for EVs and grid storage

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Example of a lithium-water rechargeable battery. Researchers at the University of Texas, including Dr. John Goodenough, are proposing a strategy for high-capacity next-generation alkali (lithium or sodium)-ion batteries using water-soluble redox couples as the cathode. Credit: ACS, Lu et al. Click to enlarge.

Sodium 218
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Researchers Develop Lithium-Water Electrochemical Cell for the Controlled Generation of H2 and Electricity

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Schematic representation and operating principles of the lithium–water electrochemical cell used for hydrogen generation: (1) external circuit and (2) inside of lithium–water electrochemical cell. the high-school chemistry demonstration of the violent reaction between sodium and water.). sea water) by using sunlight.

Water 186
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Energy Harvesting for Wearable Technology Steps Up

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The best-known wearable energy-harvesting tech today is, of course, solar, which pulls down electrons from sunlight or ambient light. But solar is just the opening gambit. A backpack with a giant solar panel might work technically, but not in reality. volts for about 60 hours. Leveraging watch tech for…bisons?

Energy 138
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CalSEED awards $4.2M to early-stage clean energy innovations

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Cyclonatix, Inc is developing an industrial-sized motor/controller to operate with either DC or AC power sources, for applications in electric vehicles, solar-powered pumps, HVAC&R, gas compressors, and other commercial and industrial machines which require high efficiency, variable speed/torque, and low cost. rechargeable battery?technology?that

Clean 371
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DOE Awarding $620M for Smart Grid Demonstration and Energy Storage Projects

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Los Angeles Department of Water and Power. The project will provide additional visibility for operators, which will increase the system’s capacity to integrate on-site energy technologies, such as solar photovoltaic energy systems, plug-in hybrid electric vehicles or battery storage. Pecan Street Project (TX). 24,063,978. 48,127,957.

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Can Flow Batteries Finally Beat Lithium?

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The battery in her EV is a variation on the flow battery , a design in which spent electrolyte is replaced rather than recharged. There is only so much salt you can dissolve in a glass of water. Importantly, the nanofluids are engineered to remain suspended indefinitely, unlike other suspensions—for instance, sand in water.

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ORNL advancing LDH sorbent to recover lithium from geothermal brine wastes

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However, lithium is sourced almost exclusively from other countries, either concentrated using a solar evaporation process from natural brine sources or recovered from ore. These plants pump hot water from geothermal deposits and use it to generate electricity. Those brines can contain as much as 250 to 300 parts-per-million lithium.

Waste 314