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Chalmers team develops graphite-like anode for Na-ion batteries; Janus graphene

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Researchers at Chalmers University of Technology, Sweden, have developed a nanometric graphite-like anode for sodium ion (Na + storage), formed by stacked graphene sheets functionalized only on one side, termed Janus graphene. The estimated sodium storage up to C 6.9 100 to 150 mA h g ? 100 to 150 mA h g ?1

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Planar Sodium Nickel Chloride Batteries Could Deliver 30% More Power at Lower Temperatures Than Conventional Cylindrical Versions

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Schematic of a sodium-nickel chloride cell with planar design. A planar (flat) sodium-nickel chloride battery could deliver 30% more power at lower temperatures than the typical cylindrical design, according to researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL). Click to enlarge.

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PNNL study outlines requirements for grid storage, reviews four electrochemical energy storage systems: vanadium redox flow, Na-beta, Li-ion and lead-carbon

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Classification of potential electrical storage for stationary applications. published in the ACS journal Chemical Reviews , reviews in detail four stationary storage systems considered the most promising candidates for electrochemical energy storage: vanadium redox flow; sodium-beta alumina membrane; lithium-ion; and lead-carbon batteries.

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Study suggests lithium and cobalt for batteries may face supply risks by 2050

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The researchers present these results in the journal Nature Reviews Materials as part of a cost and resource analysis of sodium-ion batteries. … Estimated number of devices and related energy demand for 2016–2050. Estimated number of devices and related energy demand for 2016–2050. Vaalma et al. Click to enlarge.

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Researchers develop rechargeable hybrid-seawater fuel cell; highly energy density, stable cycling

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As described in an open access paper in the journal NPG Asia Materials , the system is an intermediate between a battery and a fuel cell, and is accordingly referred to as a hybrid fuel cell. Sodium can serve as an alternative to lithium in rechargeable batteries as the reversible storage mechanisms for sodium ions are very similar (e.g.,

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Take a detailed look at 7 types of energy storage batteries

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With the worldwide emphasis on renewable energy sources such as solar and wind, energy storage has become an essential solution for grid stability and reliability. Not only that, but energy storage is also an important research direction in the field of electric vehicles. Classification of energy storage.

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OSU smart membrane could enable new category of high-energy, high-power energy storage for EVs

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Described in a paper published in the RSC journal Energy & Environmental Science , the smart membrane separator could enable the design of a new category of rechargeable/refillable energy storage devices with high energy density and specific power that would overcome the contemporary limitations of electric vehicles.