Research on Chemical Vapor Deposition of Amorphous Carbon on Graphite for Lithium Ion Battery Application

Elcora Advanced Materials Corporation开采、加工、精炼石墨，并瞄准锂离子电池的高端石墨市场。该公司已经确定了一个重要的机会，根据更广泛的客户要求/兴趣扩大其 ** 现有的产品范围。他们正在寻找开发一个 ** 二次产品，从他们现有的产品（球状石墨）涂层球状石墨。这个机会将使他们的产品与众不同，并增加Elcora的客户群，因为客户将更有可能购买公司的石墨粉，这些石墨粉具有较低的表面积和无定形碳薄膜涂层。因此，该公司正在寻找流化床选项，以均匀地涂覆 ** 直径25微米的石墨球。由于Elcora没有流化化学气相沉积（CVD）方面的专业知识，该公司寻求流化技术及其原理方面的专家Basu教授的帮助，以开发一种新的流化CVD方法。该项目将为Elcora先进材料公司开发一种用于锂离子电池应用的石墨上涂覆无定形碳的流化床反应器提供科学援助。申请人 ** 提出开发一种用于通过CVD涂覆碳的流化床反应器，其将具有比固定床或搅拌辅助固定床反应器更均匀的涂层 **。该项目需要研究一个新的领域或 ** 流化技术，以开发用于在非常高 ** 温度下涂覆的细颗粒流化床的新选择，然后构建并测试概念验证装置。**有了这个原型反应器，Elcora将能够评估这项新技术的有效性，并将原型开发成大规模生产单元，使他们的产品与众不同，降低生产成本并提高质量。

Elcora Advanced Materials Corporation mines, processes, refines graphite and targets high-end graphite**markets for Lithium-ion batteries. The company has identified a significant opportunity in expanding its**existing product range according to broader customer requests/ interest. They are looking to develop a**secondary product, a coated spheronized graphite from their existing product (spheronized graphite). This**opportunity will differentiate their product and increase the Elcora's customer base as customer's will be more**likely to purchase company's graphite powder having lower surface area and coating of thin film of amorphous**carbon. Thus, the company is looking for fluidized bed options to uniformly coat the graphite spheres of**diameters 25 micrometer.**Since Elcora doesn't have expertise on Chemical vapor deposition (CVD) by fluidization, the company seeks**the assistance of Prof. Basu who is an expert in fluidization technology and its principles, to develop a novel**method of CVD by fluidization.**This project would provide scientific assistance to Elcora Advanced Materials Corporation to develop an**fluidized bed reactor for coating amorphous carbon on graphite for Lithium ion battery application. Applicant**proposes to develop a fluidized bed reactor for coating carbon by CVD that will have more uniform coating**than fixed bed or stirring assisted fixed bed reactor. This project needs to research into a new area or**fluidization technology to develop a new options for fluidized bed of fine particles for coating at very high**temperature and then to build and test a proof of concept unit.**With this prototype reactor, Elcora will be able to evaluate the effectiveness of this new technology and**develop the prototype into mass production units, differentiating their product, reducing production costs and**improving quality.