Enabling Extreme Fast-Charging of Lithium-ion Batteries with Covalently-Joined Electrode Architectures - Market Assessment

通过共价连接电极架构实现锂离子电池的极快充电 - 市场评估

• 批准号: 571260-2022
• 负责人: Pope, Michael
• 金额: $ 1.46万
• 依托单位: University of Waterloo
• 依托单位国家: 加拿大
• 项目类别: Idea to Innovation
• 财政年份: 2021
• 资助国家: 加拿大
• 起止时间: 2021-01-01 至 2022-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=729113
• 关键词: Enabling; Extreme; Fast; Charging; Lithium

To slow and eliminate the catastrophic consequences of climate change, reducing our emissions of greenhouse gases is vital. Since 1999, the transportation sector in Canada has been emitting in excess of 700 megatonnes of carbon dioxide every year. This represents 27% of all emissions in the country. Zero-emission, battery electric vehicles (BEVs) provide a solution to this problem. However, the long recharging times of batteries (about one hour and a half) is one of the biggest obstacles in the way of mass adoption of BEVs by the public. Researchers at the University of Waterloo have recently disclosed a novel, chemical joining strategy that drastically improves fast-charging capabilities of both traditional and next-generation batteries. Here, we propose to develop this new electrode fabrication technique to enable otherwise traditional lithium-ion batteries to charge in minutes instead of hours. This discovery relies on making Li-ion battery electrode more conductive by physically joining all parts of the electrodes together from the active material used to store the energy to the metal foils that are used to connect the battery to the outside circuit to be powered. This electrode-making technique is designed to be integrated seamlessly into existing battery production lines that are present in industry today. This novel way of making electrodes also furthers our knowledge of engineering of covalent bonding of heterogeneous (different) materials such as carbon particles and metals with processes that require the least amount of energy possible. The transition to BEVs concerns not only Canada but the rest of the world in the multi-trillion-dollar transportation industry. Countries such as the United States, China and all countries of the European union having pledged to phase out their fleet of fossil fuel burning vehicles in the coming decade. Therefore, developing fast-charging battery technologies in Canada gives us a chance to advance the country's prominence and competitiveness on the world-stage as a pole of technological innovation as well as help finding solutions to reduce our dependency on oil.

为了减慢气候变化的灾难性后果，减少我们的温室气体排放至关重要。自1999年以来，加拿大的运输部门每年散发出超过700兆龙的二氧化碳。这占该国所有排放量的27％。零发射电池电动汽车（BEV）为此问题提供了解决方案。但是，电池的漫长充电时间（大约一个半小时）是公众大规模采用BEV的最大障碍之一。滑铁卢大学的研究人员最近披露了一种新颖的化学连接策略，该策略可大大提高传统电池和下一代电池的快速充电能力。在这里，我们建议开发这种新的电极制造技术，以使原本传统的锂离子电池在几分钟内电量而不是数小时内充电。该发现依赖于通过将电极的所有部分从用于存储能量的活性材料到用于将电池连接到电源的外部电路的金属铝箔的活性材料的所有部分来使锂离子电池电极更具导电性。该电极制造技术旨在将无缝集成到当今行业中存在的现有电池生产线中。使电极的这种新颖方法还进一步推进了我们对异质（不同）材料共价键合的工程知识，例如碳颗粒和金属，其过程需要最少的能量。向BEVS的过渡不仅涉及加拿大，而且涉及世界其他地区的数万亿美元运输行​​业。美国，中国和欧盟所有国家等国家都承诺在未来十年中逐步淘汰其化石燃料燃烧车队。因此，在加拿大开发快速充电的电池技术使我们有机会提高该国作为技术创新杆的世界阶段的突出和竞争力，并有助于找到解决方案以减少我们对石油的依赖。