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Argonne researchers find cathode material synthesis a key reason for performance degradation of sodium-ion batteries

Green Car Congress

One of the more promising candidates for batteries beyond the current standard of lithium-ion materials is the sodium-ion (Na-ion) battery. Na-ion is particularly attractive because of the greater abundance and lower cost of sodium compared with lithium. This research was supported by DOE’s Vehicle Technologies Office.

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

Green Car Congress

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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Researches developed EV batteries that store 6 times more charge than common ones 

Electric Vehicles India

Researches developed EV batteries that store 6 times more charge than common ones . An international team of researchers led by Stanford University has developed rechargeable batteries that store the charge up to 6 times more than the normal currently available commercial ones.

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EV Guru: Sodium-Ion Batteries are Coming Sooner Than You think!

Plug In India

By Kamlesh & Raphae Every major automaker has announced plans to build Lithium-Ion battery gigafactories. The aim is to build batteries at a large scale to reduce prices. In India, OLA Electric and Tata group have plans to make cells at a large scale. Video: EV Guru: Sodium-Ion Batteries are Coming Sooner Than You think!

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PNNL: single-crystal nickel-rich cathode holds promise for next-generation Li-ion batteries

Green Car Congress

High-energy nickel (Ni)–rich cathode will play a key role in advanced lithium (Li)–ion batteries, but it suffers from moisture sensitivity, side reactions, and gas generation. Researchers are working on ways to store more energy in the cathode materials by increasing nickel content. But large-scale deployment has been a challenge.

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Vanderbilt researchers find iron pyrite quantum dots boost performance of sodium-ion and Li-ion batteries

Green Car Congress

nm, average) of iron pyrite (FeS 2 ) nanoparticles are advantageous to sustain reversible conversion reactions in sodium ion and lithium ion batteries. In this work we explore the sodium and lithium conversion of ultrafine FeS 2 nanoparticles, with a tight size distribution centered around ∼4.5 nanometers in size.

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Researchers devise electrode architectures to prevent dendrite formation in solid-state batteries

Green Car Congress

Interest in higher energy-density batteries that pair alkali metal electrodes with solid electrolytes is high; however, such batteries have been plagued by a tendency for dendrites to form on one of the electrodes, eventually bridging the electrolyte and shorting out the battery cell.

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