税收征管法修订草案通过初次审议 将明确平台企业协税义务

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税收征管法修订草案通过初次审议 将明确平台企业协税义务

厦钨新能获专利，正极材料用分级多孔碳层改善离子传输

11月6日，厦钨新能（688778）的发明专利《一种分级多孔碳包覆正极材料、锂离子电池及制备方法》获授权，申请号为CN202311446047.6。

设计把锂离子电池正极材料作为内核，在外部包覆含氮、磷的碳层。包覆层设置不同层级的孔隙，一方面为电子传输提供通路，另一方面希望缩短锂离子在材料内迁移的路径、降低阻力。专利谈及的性能目标包括大电流充放电时的表现、容量利用和循环稳定性。调整对象是电极颗粒表面及其孔隙结构。

截至此次授权消息披露时，厦钨新能今年获得的各类专利授权共35项，比上年同期增加133.33%。在2026年上半年，公司研发投入为3.42亿元，同比增长39.33%。企业知识产权记录中，厦门厦钨新能源材料股份有限公司名下可查到286条专利信息和6条著作权信息。

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