A group of researchers in Tokyo may have just cracked one of the biggest problems holding back sodium-ion batteries — and the solution is surprisingly simple: a pinch of copper.
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These failures manifest in various ways, including thermal runaway, gas generation, liquid leakage, sodium deposition, short circuit, and expansion and deformation [4–7]. Such unexpected
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Argonne National Laboratory has got to the bottom of one of the failure modes of sodium-ion batteries – which suffer structural damage as the large sodium ions move back and forth.
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Sodium-ion technology shows promise for stationary storage but requires material breakthroughs for EV adoption. Our prototype cells using doped Prussian blue analogs achieved 92% capacity retention
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Comprehensive failure analysis reveals that HC with higher platform capacities typically exhibit poorer sodium-ion storage kinetics due to compression of interlayer channels, leading to
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Sodium-ion batteries (SIBs) are emerging as promising alternatives to lithium-ion batteries (LIBs) because of their low cost and abundant resources. However, their safety and
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Argonne scientists have advanced sodium-ion batteries by preventing cracks in the cathode particles during the synthesis process, making them a cost-effective and sustainable
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Since SIBs failure is caused by chain reactions, an in-depth profiling of the causes of battery safety issues associated with each component and corresponding impacts are presented at first.
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The cautionary experimental findings reveal that Ah-grade pouch-type SIBs demonstrate thermal safety levels on par with, or even lower than, those of their lithium-ion counterparts.
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This work provides a valuable in-depth analysis of the aging behavior of a commercial sodium-ion battery as a function of temperature, C-rate, and depth of discharge, with data made
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