人工晶体学报, 2020, 49 (4): 646, 网络出版: 2020-06-15  

基于生物质衍生自支撑阴极的锂二氧化碳电池

Lithium Carbon Dioxide Battery Based on Biomass-derived Self-standing Cathode
作者单位
昆明理工大学材料科学与工程学院,锂离子电池及材料制备技术国家地方联合工程实室,云南省先进电池材料重点实验室,昆明 650093
摘要
锂二氧化碳电池通过捕获、转化二氧化碳为储能物质,既可以减少二氧化碳排放量又可以作为创新的储能装置,引起了研究者们的广泛关注。但是,目前锂二氧化碳电池还存在着放电容量低,循环性能差等缺点。本文通过对天然松木碳化制备无粘结剂自支撑阴极材料用于锂二氧化碳电池,得益于生物质衍生碳的多孔道特性和自支撑结构,极大地提高了锂二氧化碳电池的放电容量(4.12 mAh?cm-2)和循环性能(55圈)。这种利用天然生物质衍生碳作为自支撑阴极的方法为提高锂二氧化碳电池性能提供了一种新的思路。
Abstract
By capturing and converting carbon dioxide into energy storage materials, lithium carbon dioxide battery can reduce carbon dioxide emissions and serve as an innovative energy storage device, which has attracted extensive attention from researchers. However, the current lithium carbon dioxide battery still has a low discharge capacity, poor cycle performance and other shortcomings. In this paper, a non-binder self-supporting cathode material for lithium carbon dioxide battery was prepared by carbonizing natural pine wood, the discharge capacity (4.12 mAh?cm-2) and cycle performance (55 laps) of lithium carbon dioxide battery are greatly improved thanks to the multi-channel characteristics and self-supporting structure of biomass derived carbon. This method of using carbon derived from natural biomass as self-supporting cathode provides a new idea for improving the performance of lithium carbon dioxide batteries.
参考文献

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张英杰, 王朕, 吴刚, 董鹏, 曾晓苑, 李雪. 基于生物质衍生自支撑阴极的锂二氧化碳电池[J]. 人工晶体学报, 2020, 49(4): 646. ZHANG Yingjie, WANG Zhen, WU Gang, DONG Peng, ZENG Xiaoyuan, LI Xue. Lithium Carbon Dioxide Battery Based on Biomass-derived Self-standing Cathode[J]. Journal of Synthetic Crystals, 2020, 49(4): 646.

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