An aqueous manganese-copper battery for large-scale energy storage applications

被引：49

作者：

Wei, L. ^{[1
]}

Zeng, L. ^{[1
]}

Wu, M. C. ^{[1
]}

Jiang, H. R. ^{[1
]}

Zhao, T. S. ^{[1
]}

机构：

[1] Hong Kong Univ Sci & Technol, Dept Mech & Aerosp Engn, HKUST Energy Inst, Kowloon, Clear Water Bay, Hong Kong, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2019年 / 423卷

关键词：

Mn-Cu battery; Celgard separator; Low cost; Energy storage; REDOX FLOW BATTERY; DRAMATIC PERFORMANCE GAINS; POLYBENZIMIDAZOLE MEMBRANES; FUEL-CELL; ELECTRODE; ZINC; HYDROGEN; DIOXIDE; FELT;

D O I：

10.1016/j.jpowsour.2019.03.085

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：

This work reports on a new aqueous battery consisting of copper and manganese redox chemistries in an acid environment. The battery achieves a relatively low material cost due to ubiquitous availability and inexpensive price of copper and manganese salts. It exhibits an equilibrium potential of similar to 1.1 V, and a coulombic efficiency of higher than 94% is obtained at an operating current of 20 mA cm(-2). Cyclic tests confirm that the energy efficiency maintains similar to 79% with no observable decay at 10 mA cm(-2) over 100 cycles. Possessing other advantages such as ease of scalability and capable of using an inexpensive separator, the battery offers a promising solution for large-scale energy storage applications.

引用

页码：203 / 210

页数：8

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