Low-Cost Na-Ion Batteries

目前的建议涉及使用通过“水热碳化”生产的低成本碳材料作为钠离子电池的负极。Titirici的团队开发了一种低温水热法，从生物质中生产碳材料。这项技术已经获得了多项专利申请（通过马克斯-普朗克学会专利办公室），并在德国成立了一家衍生公司carbon Solutions，该公司目前正以每公斤8欧元的价格将这种HTC材料商业化。Titirici教授的研究小组已经为这些水热碳（HTC）材料开发了大量的应用，如水净化、储气、土壤施肥、固体燃料、储能装置电极、电催化以及多相催化。最近，Titirici教授小组证明，这种从葡萄糖中提取的HTC材料可以成功地用作室温钠离子电池的负极，其容量高达250 mAh/g，具有优异的倍率能力。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）与庄信万丰（JM）的合作将推动基于丰富的可再生nib资源的低成本高性能碳电极的开发。这将加速钠离子电池的低成本单个组件的开发，这些组件可以稍后集成到整个系统方法中，从而创建基于丰富的na资源和生物质衍生的低成本碳电极的新一代经济实惠的固定电池系统。这将使未来大规模的固定储能能够平衡能源生产和需求，从而提高低成本、无二氧化碳能源供应的安全性。我们以前已经证明了这个概念的可行性。这一建议将基于以往的经验，并将推动未来在低成本、高效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.