SBIR Phase I: Multilayer Ceramic Electrolyte Membrane (ML-CEM) for a sodium metal-chloride electrochemical cell

SBIR 第一阶段：用于钠金属氯化物电化学电池的多层陶瓷电解质膜 (ML-CEM)

• 批准号: 1345647
• 负责人: Monika Jansohn
• 金额: $ 15万
• 依托单位: Na4B, LLC
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-01-01 至 2014-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1345647&HistoricalAwards=false
• 关键词: SBIR; Phase; Multilayer; Ceramic; Electrolyte

This Small Business Innovation Research (SBIR) Phase I project aims to confirm the performance of a novel, freestanding, nano-structured, multilayered ceramic electrolyte membrane (ML-CEM) design. The ML-CEM will be produced from an anodic aluminum oxide (AAO) membrane in a vapor phase method. The Na+ conductive ML-CEM has an open-porous á-alumina layer providing the required structural strength, and a dense, non-porous, nano- to micrometer thick sodium â-alumina layer allowing facile sodium ion transport. The low thickness of the sodium â-alumina layer will provide sufficient ion-conductivity for an operation of the sodium-based electrochemical cell at, or even below, room temperature, and will exhibit superior ion-conductivity above 200 °C. Therefore, the ML-CEM based electrochemical cells will exhibit high energy and high power densities and a wide operating temperature range, making sodium batteries to become a viable option in many stationary and vehicle energy storage applications. The broader impact/commercial potential of this project is that ML-CEM will enable low cost electrochemical cell designs. In a stationary application distributed, modular and scalable ML-CEM based sodium batteries will allow electric utilities to shift the power grid operation from peak-power to system energy. This will lead to an improved utilization of the nation?s power grid assets, allows the integration of fluctuating renewable energy sources, enables micro-grid power architecture to improve the stability and reliability of the electric power distribution, and minimizes the risk of cascading power outages. Furthermore, the proliferation of affordable, zero-emission electric vehicles will be supported by high-energy / high-power ML-CEM based batteries. Their robustness and safety, as well as their high calendar and cycle life are providing a significant improvement over today?s electric vehicle batteries.

该小型企业创新研究(SBIR)第一阶段项目旨在确认一种新型、独立式、纳米结构、多层陶瓷电解质膜(ML-CEM)设计的性能。ML-CEM将用气相法制备阳极氧化铝(AAO)膜。Na+导电性ML-CEM具有开放的多孔α-氧化铝层，提供了所需的结构强度，以及致密的、无孔的、纳米到微米厚的钠铝层，允许轻松地传输钠离子。低厚度的钠铝层将为钠基电化学电池在室温或甚至更低的温度下运行提供足够的离子导电性，并将在200°C以上显示出优异的离子导电性。因此，基于ML-CEM的电化学电池将显示出高能量和高功率密度以及宽的工作温度范围，使钠电池成为许多固定和车辆储能应用的可行选择。该项目更广泛的影响/商业潜力是，ML-CEM将使低成本的电化学电池设计成为可能。在固定应用中，基于ML-CEM的分布式、模块化和可扩展的钠电池将允许电力公用事业公司将电网运行从峰值功率转移到系统能量。这将提高国家-S电网资产的利用率，允许整合波动的可再生能源，使微电网电力架构能够提高电力分配的稳定性和可靠性，并将连锁停电的风险降至最低。此外，高能/高功率ML-CEM电池将支持负担得起的零排放电动汽车的普及。它们的坚固耐用和安全性，以及较长的日历和循环寿命，使其比目前的S电动汽车电池有了显著的改进。