High performance Prussian Blue cathode for nonaqueous Ca-ion intercalation battery

被引：96

作者：

Kuperman, Neal ^{[1
]}

Padigi, Prasanna ^{[1
]}

Goncher, Gary ^{[1
]}

Evans, David ^{[1
]}

Thiebes, Joseph ^{[1
]}

Solanki, Raj ^{[1
]}

机构：

[1] Portland State Univ, Dept Phys, Portland, OR 97201 USA

来源：

JOURNAL OF POWER SOURCES | 2017年 / 342卷

关键词：

Energy storage; Secondary battery; Calcium-ion; Cathode; Electrochemistry; Prussian blue; POSITIVE ELECTRODE MATERIAL; SUPERIOR CATHODE; VANADIUM-OXIDE; OPEN FRAMEWORK; CALCIUM; HEXACYANOFERRATE; COMPOSITE; HOST;

D O I：

10.1016/j.jpowsour.2016.12.074

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：

Potassium iron hexacyanoferrate, or Prussian blue (PB), is investigated as a cathode material for nonaqueous divalent calcium ion batteries. PB is an attractive prospect due to its high specific capacity, nontoxicity, low cost, and simple synthesis. Charge/discharge performances are examined at current densities of 23 mAg(-1), 45 mAg(-1), 90 mAg(-1), and 125 mAg(-1) that produced reversible specific capacities ranging from 150 mAhg(-1) (at 23 mAg(-1) current density) to over 120 mAhg(-1) (at 125 mAg(-1) current density). These are the highest storage capacities to date for a divalent calcium ion cathode over extended period of charge/discharge cycling and are comparable in performance to monovalent intercalating ions. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：414 / 418

页数：5

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