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Synergistic Kinetics Modulation at Graphite Interface Enables Ultrafast and Durable Potassium‐Ion Batteries by Xuemei Ma, Hongwei Fu, Hang Xia, Yongmin He,* Dianwei Zhang, Yaqin Wu, is a book available to read on EtoBox.

What is Synergistic Kinetics Modulation at Graphite Interface Enables Ultrafast and Durable Potassium‐Ion Batteries about?

Graphite has been considered as the most promising anode material forPotassium-ion batteries (PIBs) has beenpotassium-ion batteries (PIBs) commercialization due to its high theoreticalconsidered as one of the promising canspecific capacity and favorable charge-discharge platform. Nevertheless, indidates for next-generation electrochemiconventional KPF6-based electrolytes, the practical implementation iscal energy storage devices for low-cost andlarge-scale applications due to their highhindered by sluggish potassium-ion (K+) transport through solid electrolyteabundance,[1] low reduction potential andinterphase (SEI), leading to poor rate capability and inferior cycling durability.cost-effective of aluminum (Al) as a curA nanostructured SiO2 modification layer is constructed on a graphite surfacerent collector for the anode.[2] KPF6 is one(SiO2-Graphite) to regulate the interfacial kinetics, which can enable a fasterof the most widely used salt in potasK+ diffusion capability and lower K+ migration barrier. Notably, thesium ion batteries due to its low cost,SiO2-Graphite anode exhibits high initial Coulombic efficiency (84.1%),excellent cycling stability (400 cycles with a capac

Author

Xuemei Ma, Hongwei Fu, Hang Xia, Yongmin He,* Dianwei Zhang, Yaqin Wu,

Published

2025

Language

EN