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 ）