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中国针状焦行业发展研究与投资价值报告(2022版)
2022-07-05 04:48:00 【立木信息咨询】
内容简介:
针状焦是二十世纪七十年代得到大力发展的一个优质炭素材料,外观为银灰色、有金属光泽的固体,表面呈明显的细长针状或纤维状的纹理走向,在显微镜下具有明显的各向异性的纤维状结构,因而称之为针状焦。
针状焦生产主要集中在中国、美国、英国、韩国和日本等少数国家,2011年,全球针状焦生产能力约1200kt/a,其中中国针状焦生产能力250kt/a,中国针状焦生产企业仅4家。到2021年,全球针状焦生产能力增长至约3250kt/a,中国针状焦生产能力约2240kt/a,占全球产能的68.9%,中国针状焦生产企业增加至21家。国产针状焦整体进步很快,但个别企业仍未掌握核心技术,对关键指标的影响因素尚不清晰。
近年中国针状焦生产实现爆发式增长,2020年我国针状焦总产量达到517kt,其中煤系针状焦产量为176kt,油系针状焦产量为341kt。2020年我国针状焦总消费量(含库存消费)为740kt,其中负极材料消费针状焦340kt,石墨电极消费针状焦400kt,负极材料消费量占比达到45%。
目前,我国对针状焦的进口量仍比较大,对高端针状焦的进口依赖性较强,预计随着我国针状焦产能的快速释放、技术的不断进步,针状焦产业链的自主性、完善性将更强。
未来我国环保压力将有增无减,中国的电炉钢发展是必然趋势,新增电炉数量也在稳步增长,电炉吨位为70t、90t、100t、120t,因此,大规格超高功率石墨电极仍是电极市场主流,国产针状焦可抓住机遇,实现对进口接头焦产品的替代。
同时需更加重视针状焦在负极材料行业的应用研究,加快建立完善针状焦的常规指标与负极材料的电化学性能等关键指标之间的关联,需要上下游企业联合研究,破解技术难题,获得竞争优势。
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