In-situ neutron powder diffraction studies of the structural changes on cycling a Na-ion battery over the 1st, 10th and 100th cycle

Faradion Ltd. is the world leader in non-aqueous Na-ion technology; a more sustainable, cost-effective and safer energy storage solution than commercially-used Li-ion batteries. Previously considered to be substantially inferior in performance to Li-ion batteries, Na-ion batteries have now reached higher energy densities than commercial lithium iron phosphate batteries at operating temperatures between -20C and +60C, However, the cycle life requires improvement in order to meet commercial standards. We request 3 days on POLARIS to study the structural phase changes which occur on cycling a Na-ion cathode material and compare this to electrochemical data to propose and test novel ideas of improving cycle life in order to meet commercial standards.

Faradion Ltd.是全球非水系钠离子（non-aqueous Na-ion）技术领域的领军企业，其研发的储能解决方案相较于商业化应用的锂离子（Li-ion）电池，具备更优异的可持续性、成本效益与安全性。此前，钠离子（Na-ion）电池曾被普遍认为性能远逊于锂离子电池；如今其在-20℃至60℃的工作温度区间内，能量密度已超越商业化磷酸铁锂（lithium iron phosphate）电池。然而，要达到商业化标准，其循环寿命仍需优化。我们申请在POLARIS平台开展为期3天的研究，以探究钠离子（Na-ion）正极材料在充放电循环过程中发生的结构相变，并将该结果与电化学数据进行对比，进而提出并验证优化循环寿命的创新性思路，以满足商业化标准。