SBIR Phase I: Low Cost Metal Chelate Flow Battery for Long Duration Energy Storage

SBIR 第一阶段：用于长期储能的低成本金属螯合液流电池

• 批准号: 2321989
• 负责人: Jessica Murdzek
• 金额: $ 27.5万
• 依托单位: OTORO ENERGY INC
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2024
• 资助国家: 美国
• 起止时间: 2024-01-15 至 2024-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2321989&HistoricalAwards=false
• 关键词: SBIR; Phase; Low; Cost; Metal

This Small Business Innovation Research (SBIR) Phase I project develops the chemistry for a new flow battery used to store energy for the electric grid. The battery chemistry uses abundant minerals and materials that can be sourced and manufactured in the United States. These flow battery materials support long duration energy storage of 4 to 100 hours – enough to back up the grid and support increased use of intermittent power sources such as solar and wind. This flow battery technology aims to meet aggressive cost targets for grid-scale storage, positioning the company to take advantage of the domestic and international market demand for energy storage. The battery system provides an opportunity for the U.S. to own high impact battery technology and claim a leadership position in the long duration energy storage market. This SBIR Phase I project seeks to lower the materials costs of a metal chelate flow battery for 10+ hour storage durations with greater than 80% round-trip efficiency. The goal is to develop a material purification process that uses low-grade minerals and removes key impurities with minimal waste. This goal will be achieved through the development and construction of a chemical purification system that selectively removes the impurities present in the low-grade minerals. The process will be validated by the demonstration of a flow battery operating with 10+ hours of continuous discharge at full power. The research and development effort focuses on a holistic solution to flow battery performance via a new chemistry that optimizes cost, abundance, safety, and performance in a single platform for long duration energy storage. Areas of development include electrolyte purity, sensitivity to precursors, processes development, system fouling and electrolyte purity sensitivity, purification system design and recycling, and 10-24 hour discharge battery performance demonstration incorporating the new purification process.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

该小型企业创新研究 (SBIR) 第一阶段项目开发用于为电网储存能量的新型液流电池的化学成分，该电池化学成分使用可在美国采购和制造的丰富矿物质和材料。材料支持 4 至 100 小时的长期储能——足以支持电网并支持增加太阳能和风能等间歇性电源的使用。这种液流电池技术旨在满足电网规模存储的雄心勃勃的成本目标，定位了公司利用该电池系统为美国拥有高影响力电池技术并在长期储能市场占据领导地位提供了机会。该SBIR第一期项目旨在降低电池的材料成本。金属螯合物液流电池的存储时间超过 80%，往返效率超过 80%，目标是开发一种使用低品位矿物质并以最少的浪费去除关键杂质的材料纯化工艺。发展以及建造选择性去除低品位矿物中存在的杂质的化学净化系统，该工艺将通过全功率连续放电 10 小时以上的演示进行验证。通过一种新的化学物质来提供液流电池性能的整体解决方案，该化学物质可优化单一平台的成本、丰度、安全性和性能，以实现长期储能。开发领域包括电解质纯度、对前体的敏感性、工艺开发、系统污垢和电解质。纯度灵敏度、净化系统设计和回收，以及结合新净化工艺的 10-24 小时放电电池性能演示。该奖项反映了 NSF 的法定使命，并通过使用基金会的智力优点和更广泛的影响审查标准进行评估，被认为值得支持。