Energy Storage Mechanism of C12-3-3 with High-Capacity and High-Rate Performance for Li/Mg Batteries
Source abstract
Abstract
The low specific capacity and Mg non-affinity of graphite limit the energy density of ion rechargeable batteries. Here, we first identify that the monolayer C 12-3-3 in sp 2 – sp 3 carbon hybridization with high Li/Mg affinity is an appropriate anode material for Li-ion batteries and Mg-ion batteries via the first-principles simulations. The monolayer C 12-3-3 can achieve high specific capacities of 1181 mAh/g for Li and 739 mAh/g for Mg, higher than those of most previous anodes. The Li storage reaction is an “adsorption–conversion–intercalation mechanism”, while the Mg storage reaction is an “adsorption mechanism”. The 2D carbon material of C 12-3-3 displays fast diffusion kinetics with low diffusion barriers of 0.41 eV for Li and 0.21 eV for Mg. As a new carbon-based anode material, the monolayer C 12-3-3 will promote the practical application of batteries with high-capacity and high-rate performance.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China
State Key Laboratory of Advanced Processing and Recycling of Non-Ferrous Metal, Department of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, P. R. China
Chongqing Key Laboratory of Materials Surface and Interface Science, Chongqing University of Arts and Sciences, Chongqing 402160, P. R. China
National Engineering Research Centre for Magnesium Alloys, Chongqing University, Chongqing 400044, P. R. China
Funding
Central University Basic Research Fund of China · Graduate Scientific Research and Innovation Foundation of Chongqing · Chongqing Key Laboratory of Materials Surface and Interface Science, Chongqing University of Arts and Sciences
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