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Novel Materials and Approaches for Producing Carbon Fiber

机译：生产碳纤维的新型材料和方法

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In pursuit of the goal to produce ultra-lightweight fuel efficient vehicles, there has been great excitement during the last few years about the potential for using carbon fiber reinforced composites in high volume applications. Currently, the greatest hurdle that inhibits wider implementation of carbon fiber composites in transportation is the high cost of carbon fiber when compared to other candidate materials. As part of the US DOE's Freedom CAR initiative, significant research is being conducted to develop lower cost, high volume technologies for producing carbon fiber. This paper will highlight the ongoing research in this area. Through Department of Energy sponsorship, Oak Ridge National Laboratory (ORNL) and its partners have been working with the US Automotive Composites Consortium (ACC) to develop technologies that would enable the production of a carbon fiber at less than USD5 per pound. That cost goal would allow the introduction of carbon fiber based composites into a greater number of applications for future vehicles. The approach has necessitated the development of both (i) alternative precursors and (ii) alternative production methods. Alternative precursors under investigation include textile grade polyacrylonitrile (PAN) fibers and fibers from lignin-based feedstocks. Previously, as part of the research programme, Hexcel Corporation developed the science necessary to allow textile grade PAN to be used as a precursor rather than typical carbon fiber grade precursors. UK-based PAN producers are collaborating in this work. Efforts have also been continuing to develop carbon fiber precursors from lignin-based feedstocks. ORNL and its partners are working on this effort with domestic wood and paper producers.
机译：在追求生产超轻量低油耗汽车的目标，出现了在关于使用碳纤维的潜力最近几年一直非常兴奋增强在大批量应用的复合材料。目前，抑制在运输中更广泛地实现碳纤维复合材料的最大障碍是与其他候选材料相比的碳纤维的高成本。作为美国DOE自由汽车倡议的一部分，正在进行重大研究以发展碳纤维的较低成本，高批量技术。本文将突出该地区的持续研究。通过能源赞助部，橡树岭国家实验室（ORNL）及其合作伙伴一直与美国汽车复合材料联盟（ACC）合作，开发能够生产碳纤维的技术，以不到每磅的5美元。该成本目标将允许将碳纤维的复合材料引入更大的未来车辆的应用。该方法需要开发（I）替代前体和（ii）替代生产方法。正在研究的替代前体包括来自木质素的原料的纺织品级聚丙烯腈（PAN）纤维和纤维。此前，作为研究计划的一部分，Hexcel Corporation开发了允许纺织级锅用作前兆而不是典型的碳纤维级前体所必需的科学。以英国的泛生产商在这项工作中正在合作。努力也一直在继续从木质素的原料开发碳纤维前体。 ORNL及其合作伙伴正在用国内木材和纸生产商致力于这项努力。

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