All-Chromium Redox Flow Battery for Renewable Energy Storage

被引：41

作者：

Bae, Chulheung ^{[2
]}

Roberts, Edward Pelham Lindfield ^{[2
]}

Chakrabarti, Mohammed Harun ^{[1
]}

Saleem, Muhammad ^{[3
]}

机构：

[1] Univ Malaya, Fac Engn, Dept Chem Engn, Kuala Lumpur 50603, Malaysia

[2] Univ Manchester, Sch Chem Engn & Analyt Sci, Manchester, Lancs, England

[3] KNPC, KANUPP Inst Power Engn, Karachi, Pakistan

来源：

INTERNATIONAL JOURNAL OF GREEN ENERGY | 2011年 / 8卷 / 02期

基金：

英国工程与自然科学研究理事会;

关键词：

Undivided; Redox flow battery; Chromium; Current efficiency; Conversion; SOLUBLE LEAD(II); ACID; ELECTROLYTE; COMPLEXES; SYSTEM; CELL; PERFORMANCE; LIGANDS;

D O I：

10.1080/15435075.2010.549598

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The charge/discharge characteristics of an undivided redox flow battery, using porous electrodes and chromium-EDTA electrolyte are discussed. The results indicate that a high current efficiency can be achieved using this system with single pass, flow through electrodes. With 0.2 M electrolytes and a charging current density of 30 mA cm-2, 100% current efficiency was achieved with 48% conversion of Cr(III) to Cr(II). However, the overall energy efficiency of charge/discharge of this redox flow battery was less than 7%. The results suggest that this poor efficiency was associated with the slow kinetics and consequently large overpotential of the Cr(V)-EDTA/Cr(III)-EDTA redox couple.

引用

页码：248 / 264

页数：17

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