01/14/2025, 12:39 PM UTC
钠离子电池又一缺陷被消除Another flaw in sodium-ion batteries eliminated
➀ 阿贡国家实验室确定了钠离子电池的一种失效模式；➁ 该研究聚焦于由过渡金属核壳粒子制成的钠离子氧化物正极；➂ 研究发现，裂纹在粒子内部深处形成，而非表面；➃ 研究结果表明，在正极合成过程中缓慢加热可以防止裂纹，导致正极粒子在400次循环操作中无容量损失。➀ Argonne National Laboratory has identified a failure mode in sodium-ion batteries; ➁ The study focused on sodium-ion oxide cathodes made from transition-metal core-shell particles; ➂ The research revealed that cracks develop deep within the particles and not at the surface; ➃ The findings suggest that slow heating during the cathode synthesis process can prevent cracks, leading to cathode particles with no loss of storage capacity over 400 operating cycles.---
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