Low-Cost Na-Ion Batteries

本提案涉及使用通过“水热碳化”产生的低成本碳材料作为钠离子电池的负极。Titirici的团队开发了一种从生物质中生产碳材料的低温水热方法。这项技术已导致多项专利申请(通过Max-Planck Society专利单位办公室)，并在德国成立了一家剥离公司Carbon Solutions，目前正在以8欧元/公斤的价格将此类HTC材料商业化。Titirici教授的团队开发了这些水热碳(HTC)材料的大量应用，如水净化、气体储存、土壤施肥、固体燃料、储能设备的电极、电催化以及非均相催化剂。最近，Titirici教授的团队证明了这种源于葡萄糖的HTC材料可以成功地用作室温钠离子电池的负极，容量高达250mAh/g，并且具有优异的倍率性能。在钠离子电池中使用这种低成本、高效率的电极是非常重要的，因为这可以加速钠离子电池的商业化。尽管室温钠离子电池(NIB)是集成到智能电网中最可行、低成本和最安全的选择之一，但其组成电极材料的高成本和低性能阻碍了其商业化。伦敦玛丽女王大学材料科学与工程学院(QMUL)和强生马泰(JM)的合作将促进基于丰富的可再生资源的低成本和高性能碳电极的开发。这将加速开发低成本的钠离子电池单独组件，这些组件稍后可以集成到整个系统方法中，创建基于丰富的钠资源和生物质衍生的低成本碳电极的新一代负担得起的固定式电池系统。这将使未来大规模的固定储能能够平衡能源的产生和需求，从而提高低成本、无二氧化碳能源的供应安全性。我们之前已经证明了这一概念的可行性。这项建议将基于以前的经验，并将推动未来在低成本、高效率的钠离子电池阳极方面的进展。

The present proposal relates to the use of low-cost carbon materials produced via the " Hydrothermal Carbonization" as negative electrodes in Na-ion batteries.Prof. Titirici's group has developed a low temperature hydrothermal method to produce carbon materials from biomass This technology has lead to several patent applications (via the Max-Planck Society patent unit office) and the formation of a spin-off company, Carbon Solutions, in Germany who is currently commercializing such HTC materials with 8 eur/kg. The group of Prof. Titirici has developed a large number of applications for these hydrothermal carbon (HTC) materials such as water purification, gas storage, soil fertilization, solid fuel, electrodes in energy storage devices, lectrocatalysis as well as heterogenous catalysis.Recently, Prof Titirici group demonstrated that such HTC materials derived from glucose could be successfully used as negative electrodes in room temperature Na-ion batteries with a capacity of up to 250 mAh/g and excellent rate capability. Using such low cost but highly efficient electrodes in Na-ion batteries is very important as this can accelerate the commercialization of Na-ion batteries. Although room temperature Na-ion batteries (NIBs) represent one of the most viable, low cost and safe options for integration into the smart grid, their commercialization is hindered by the high cost and poor performance of their constituent electrode materials.This collaboration between School of Materials Science and Engineering at Queen Mary University of London (QMUL) and Johnson Matthey (JM) will advance the development of low cost and highly performing carbon electrodes based on abundant and renewable resources for NIBs. This will accelerate the development of low-cost individual components for Na-ion batteries which could be later integrated into a whole-system approach, creating a new generation of affordable stationary battery systems based on abundant Na-resources and biomass derived low cost carbon electrodes. This willenable future large-scale stationary energy storage for balancing energy generation and demand thus improving the security of supply for low cost, CO2-free energy.We have previously shown the feasibility of this concept. This proposal will be based on this previous experience and will advance future progress in low cost, efficient anodes in Na-ion batteries.