摘要:
Various embodiments of the invention describe nanoporous silicon (Si) network thin films with controllable porosity and thickness that are fabricated by a robust and scalable electrochemical process, and then released from Si wafers and transferred to flexible and conductive substrates. These nanoporous Si network thin films serve as high performance Li-ion battery electrodes, with an initial discharge capacity of 2570 mA h g−1, above 1000 mA h g−1 after 200 cycles without any electrolyte additives.
摘要翻译:本发明的各种实施方案描述了具有可控孔隙率和厚度的纳米多孔硅(Si)网络薄膜,其通过鲁棒且可扩展的电化学工艺制造,然后从Si晶片释放并转移到柔性和导电的基底。 这些纳米多孔Si网络薄膜用作高性能锂离子电池电极,初始放电容量为2570 mA h g-1,超过1000 mA h g-1,200次循环后无任何电解质添加剂。