Exploration of Pyrochlore-Bi2Sn2O7 as an Anode for Potassium-Ion Batteries

被引：3

作者：

Ahuja, Vinita ^{[1
,2
]}

Baskar, Senthilkumar ^{[1
,2
,3
]}

Senguttuvan, Premkumar ^{[1
,2
]}

机构：

[1] Jawaharlal Nehru Ctr Adv Sci Res, New Chem Unit, Int Ctr Mat Sci, Bangalore 560064, Karnataka, India

[2] Jawaharlal Nehru Ctr Adv Sci Res, Sch Adv Mat, Bangalore 560064, Karnataka, India

[3] Amrita Vishwa Vidyapeetham, Sch Nanosci & Mol Med, Amrita Inst Med Sci & Res Ctr, Kochi 682041, Kerala, India

来源：

ACS APPLIED ENERGY MATERIALS | 2023年 / 6卷 / 07期

关键词：

pyrochlore; alloy-conversion anodes; potassium-ion batteries; solid electrolyte interphase; K-ion full cell; TIN OXIDES; SN;

D O I：

10.1021/acsaem.3c00282

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Pyrochlore type-Bi2Sn2O7/carbon composite (BSO/C), prepared via ball milling, is explored as a potential K-ion anode. It delivers reversible capacities of greater than 295 mAh g(-1) for 100 cycles at 50 mA g(-1) in 5 M KFSI in EC/DEC electrolyte, while a severe capacity fade is noticed in a KPF6-based electrolyte system. A full K-ion battery comprising K4Fe(CN) 6 and BSO/C as the cathode and the anode respectively, is also demonstrated.

引用

页码：3665 / 3670

页数：6

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