A flexible Mn 0.5 Ti 2 (PO 4 ) 3 /C nanofiber film with superior cycling stability for potassium-ion batteries
Source abstract
Abstract
First-principles calculations indicate that Mn0.5Ti2(PO4)3 is more suited to potassium-ion storage because of its lower energy gap than that of KTi2(PO4)3. A flexible Mn0.5Ti2(PO4)3/C nanofiber film (F-MTP/C NFF) has been first synthesized via electrospinning and applied to potassium-ion batteries as a self-standing anode. An integral carbon conductive network, unique one-dimensional nanostructure, and exceptional mechanical flexibility give F-MTP/C NFF outstanding potassium-ion storage performance. Impressively, the self-standing F-MTP/C NFF electrode delivers a high specific capacity of 218 mA h g-1 at 0.02 A g-1 and shows ultra-long cycling stability of 2000 cycles at 1 A g-1. This work may give a new insight into developing NASICON-type Ti-based materials as flexible electrodes for potassium-ion batteries.
Source: europepmc · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · MXene and MAX Phase Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
National Base for International Science & Technology Cooperation, National Local Joint Engineering Laboratory for Key materials of New Energy Storage Battery, Hunan Province Key Laboratory of Electrochemical Energy Storage and Conversion, School of Chemistry, Xiangtan University, Xiangtan 411105, China
College of Electromechanical Engineering, Shandong Engineering Laboratory for Preparation and Application of High-performance Carbon-Materials, Qingdao University of Science & Technology, Qingdao, Shandong 266061, China
Funding
Ministry of Education of the People's Republic of China · Higher Education Discipline Innovation Project · Natural Science Foundation of Shandong Province · National Natural Science Foundation of China
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