Yang Qianwen, Chen Langlang, Liu Zhiyu, Wei Yaqing, Li De, Chen Yong
State Key Laboratory on Marine Resource Utilization in South China Sea, Hainan Provincial Key Laboratory of Research on Utilization of Si-Zr-Ti Resources, School of Materials Science and Engineering, Hainan University, Haikou 570228, China.
Guangdong Key Laboratory for Hydrogen Energy Technologies, School of Materials Science and Hydrogen Energy, Foshan University, Foshan, 528000, China.
Chem Commun (Camb). 2021 Nov 23;57(93):12492-12495. doi: 10.1039/d1cc04560a.
By introducing Li insufficiency, we interestingly found that m-LiBC exhibits a higher capacity (220 mA h g) than the original o-LiBC (50 mA h g). This improved capacity benefits from its structural evolution, with the interlayer rearrangement changed from "ABABAB" (o-LiBC) to "ABAABA" (m-LiBC) stacking, triggered by Li insufficiency. This understanding of interlayer rearrangement for LiBC may open a new avenue to activate Li extraction in other lithium compounds.
通过引入锂不足，我们有趣地发现，改性锂硼碳（m-LiBC）的容量（220 mA h/g）高于原始的原始锂硼碳（o-LiBC，50 mA h/g）。这种容量的提高得益于其结构演变，由锂不足引发，其层间重排从“ABABAB”（o-LiBC）变为“ABAABA”（m-LiBC）堆积。这种对锂硼碳层间重排的理解可能为激活其他锂化合物中的锂提取开辟一条新途径。
