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                    20200914,我院副教授魏涛在美国化学会《ACS Applied Energy Materials》上发表关于固态锂离子电池的研究成果
                    发布时间: 2020-09-14 浏览次数: 10


                    正文:近期,由我院副教授魏涛为第一作者,研究生张早红等在超薄复合固态电解质的制备等研究上取得进展澳客彩票网,以题为“An ultra-thin solid composite electrolyte based on Li6.4La3Zr1.4Ta0.6O12/PVDF-HFP/LiTFSI/succinonitrile for high-performance solid-state lithium metal battery”的相关成果在《ACS Applied Energy Materials》上发表。

                     

                    论文简介如下:

                    Solid composite electrolytes (SCEs) are regarded as an effective solutions to ensure safety problems and enhance the energy density of lithium-based batteries. This work report an ultra-thin SCEs membrane (~15 μm) based on Li6.4La3Zr1.4Ta0.6O12/PVDF-HFP/LiTFSI/succinonitrile, it not only possesses a good ionic conductivity (6.53×10-4 S cm-1 with a little amount of liquid electrolyte) at 30 ℃ and a satisfactory lithium ion transfer number of (0.55 without electrolyte), and also occupies excellent thermal and mechanical properties. The symmetric cell with SCEs SN-10% can be continuously cycled without short circuit at 0.2 mA cm-2 for about 340 h . Moreover, a high reversible discharge capacity of 150.2 mAh g-1 at 0.5 C was maintained by the cell (LiFePO4/SCEs SN-10%/Li) after 269 cycles at room temperature. Notably, a capacity of about 100 mAh g?1 at 5 C was also obtained. This work might guide the improvement of future solid-state lithium/sodium metal batteries and lithium sulfur batteries, even for wearable flexible battery..

                     

                    注:ACS Applied Energy MaterialsACS旗下推出的第一个聚焦于能源材料应用的期刊澳客彩票网。


                    本文下载地址:

                    https://pubs.acs.org/doi/full/10.1021/acsaem.0c01872



                    澳客彩票网

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