Development of light-chargeable lithium ion battery devices

光充电锂离子电池装置的开发

• 批准号: 493929-2016
• 负责人: Demopoulos, George
• 金额: $ 13.7万
• 依托单位: McGill University
• 依托单位国家: 加拿大
• 项目类别: Strategic Projects - Group
• 财政年份: 2018
• 资助国家: 加拿大
• 起止时间: 2018-01-01 至 2019-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=648992
• 关键词: Development; light; chargeable; lithium; ion

Lithium-ion batteries (LIBs) are the enabling "invisible" technology behind the unprecedented proliferation of all sort of portable electronics such as mobile phones, media players, tablets, laptops etc. to which consumers have come to depend on in ever increasing numbers. Now LIBs are becoming the enabling force that started powering plug-in hybrid (PHEV) and electric vehicles (EV) as our society is moving towards electrification of transportation to address the serious global issue of climate change. At the same time LIBs are called to play a key role in enabling the harnessing of solar energy by allowing direct storage of the intermittingly generated electricity. However, there is growing realization that we are approaching the limit of how much energy we can store in a LIB hence on the available power-especially in the case of portable devices and electric vehicles before it needs to be recharged. This drives an unprecedented R&D effort towards the improvement of the energy and power characteristics of LIBs by developing novel battery chemistries many of which impose formidable safety challenges. In this project we pursue an alternative strategy to address the energy density bottleneck by developing light-chargeable LIBs, i.e. solar-powered rechargeable batteries. This research is undertaken in collaboration with Hydro-Quebec (HQ), a world leader in LIB R&D, and leverages our recent advances in the areas of dye-sensitized solar cell and LIB research. More specifically we propose the design of a photo-absorbing Li-ion cathode (LiFePO4) and its development into light-assisted rechargeable battery device. Preliminary results have provided validation of this paradigm-shifting concept that now we aim to develop further via the study and optimization of the nanostructured photoelectrode's properties and its assembly into a prototype with long cycling performance. This constitutes highly innovative research in the strategic green energy storage field that holds tremendous growth potential and economic opportunity for advanced manufacturing activity in a constantly growing market of many tens of billions annually. ****

锂离子电池（LIBS）是在各种便携式电子产品（例如手机，媒体播放器，平板电脑，笔记本电脑等）前所未有的“无形”技术背后的“无形”技术。现在，随着我们的社会正朝着电气化运输，以解决严重的全球气候变化问题，现在已经成为开始为插电式混合动力车（PHEV）和电动汽车（EV）提供动力的促成力量。同时，LIB被要求通过直接存储间歇性生成的电力来实现太阳能的利用，从而发挥关键作用。但是，越来越多的意识到，我们正在限制在Lib中可以存储多少能量，因此在可用的电源上，尤其是在需要充电之前便携式设备和电动汽车的情况下。这通过开发新型的电池化学措施来推动LIB的能源和功率特征提高空前的研发努力，其中许多构成了强大的安全挑战。在这个项目中，我们采取了另一种策略，通过开发可轻巧的LIB，即太阳能可充电电池来解决能量密度瓶颈。这项研究是与Hydro-Quebec（HQ）合作进行的，这是LIB R＆D的世界领导者，并利用了我们最近在染料敏化的太阳能电池和LIB研究领域的进步。 更具体地说，我们提出了吸收照片的锂离子阴极（LifePo4）及其开发到可充电可充电电池设备中的设计。 初步结果提供了这种范式转移概念的验证，现在我们旨在通过研究和优化纳米结构的光电子的性能及其组装成具有长循环性能的原型。这构成了战略性绿色能源存储领域的高度创新研究，该研究在每年不断增长的市场中具有巨大的增长潜力和经济机会。 ****