Du Lingling,Xia Yabing,Su Yun *,et al.Electrochemical properties of Prussian blue analog-derived anode materials for potassium storage[J].Plating & Finishing,2023,(3):39-44.[doi:10.3969/j.issn.1001-3849.2023.03.006]
普鲁士蓝类似物衍生负极材料储钾电化学性能研究
- Title:
- Electrochemical properties of Prussian blue analog-derived anode materials for potassium storage
- Keywords:
- Prussian blue analogs ; derived materials ; nanospheres ; anode ; potassium ion batteries
- 分类号:
- TQ15
- 文献标志码:
- A
- 摘要:
- 通过常温离子交换制备出多孔普鲁士蓝类似物 ( FeZnCo-PB ),然后高温退火处理获得衍生材料 ( FeZnCo-PB-500 ),并将其作为钾离子电池负极极材料。对目标产物进行了 SEM 、 TEM 、 XRD 、 BET 表征, 研究了 FeZnCo-PB-500 电极材料的形貌和结构。 FeZnCo-PB-500 负极材料展现出优异的储钾性能 (长循环稳定性和高倍率性能)。在 100 和 1000 mA/g 的电流密度下, FeZnCo-PB-500 电极分别循环 200 圈和 400 圈后可逆容量还能分别达到 236 mAh/g 和 151 mAh/g 。
- Abstract:
- : Porous Prussian blue analogs ( FeZnCo-PB ) was prepared by ion exchange at room temperature , and then annealed at high temperature to obtain derivative materials ( FeZnCo-PB-500 ), which were used as anode materials for potassium ion batteries. The target product was characterized by SEM , TEM , XRD and BET , and the morphology and structure of FeZnCo-PB-500 electrode were studied. The FeZnCo-PB-500 anode material exhibits excellent potassium storage performance ( long-cycle stability and high-rate capability ) . At current densities of 100 and 1000 mA/g , the FeZnCo-PB-500 electrode can achieve reversible capacities as high as 236 mAh/g and 151 mAh/g after 200 and 400 cycles , respectively.
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备注/Memo
收稿日期: 2022-03-25 修回日期: 2022-04-08 作者简介: 都玲玲( 1984 —),女,工程硕士,讲师,主要从事新能源研究及应用, email : dulingling111@126.com 通信作者: 苏芸( 1985 —),女,工学博士,讲师,主要从事新能源研究及应用, email : suyun0925@163.com 基金项目: 国家自然基金委国家自然科学基金联合基金( U1904198 ), 河南省科技攻关计划( 202102210001 ), 河南省自然科学基金青年基金项目( 202300410015 ), 河南省教育厅高等学校重点科研项目计划( 21B430014 )