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Title: A High-Performance Sintered Iron Electrode for Rechargeable Alkaline Batteries to Enable Large-Scale Energy Storage

Journal Article · · Journal of the Electrochemical Society
 [1];  [1];  [1]
  1. Univ. of Southern California, Los Angeles, CA (United States)

Iron-based alkaline rechargeable batteries such as iron-air and nickel-iron batteries are particularly attractive for large-scale energy storage because these batteries can be relatively inexpensive, environment- friendly, and also safe. Therefore, our study has focused on achieving the essential electrical performance and cycling properties needed for the widespread use of iron-based alkaline batteries in stationary and distributed energy storage applications.We have demonstrated for the first time, an advanced sintered iron electrode capable of 3500 cycles of repeated charge and discharge at the 1-hour rate and 100% depth of discharge in each cycle, and an average Coulombic efficiency of over 97%. Such a robust and efficient rechargeable iron electrode is also capable of continuous discharge at rates as high as 3C with no noticeable loss in utilization. We have shown that the porosity, pore size and thickness of the sintered electrode can be selected rationally to optimize specific capacity, rate capability and robustness. As a result, these advances in the electrical performance and durability of the iron electrode enables iron-based alkaline batteries to be a viable technology solution for meeting the dire need for large-scale electrical energy storage.

Research Organization:
Univ. of Southern California, Los Angeles, CA (United States)
Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
Grant/Contract Number:
AR0000136
OSTI ID:
1422401
Journal Information:
Journal of the Electrochemical Society, Vol. 164, Issue 2; ISSN 0013-4651
Publisher:
The Electrochemical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 36 works
Citation information provided by
Web of Science

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Cited By (8)

Recent Advances in Rational Electrode Designs for High-Performance Alkaline Rechargeable Batteries journal January 2019
“Carbon-Glue” Enabled Highly Stable and High-Rate Fe 3 O 4 Nanorod Anode for Flexible Quasi-Solid-State Nickel-Copper//Iron Alkaline Battery journal August 2018
Impact of the charging conditions on the discharge performance of rechargeable iron-anodes for alkaline iron–air batteries journal February 2018
Hydrothermal Preparation of Fe2O3 Nanoparticles for Fe-Air Battery Anodes journal August 2019
Improvement of Negative Electrodes for Iron-Air Batteries: Comparison of Different Iron Compounds as Active Materials journal January 2019
Silicon and Iron as Resource-Efficient Anode Materials for Ambient-Temperature Metal-Air Batteries: A Review text January 2019
Silicon and Iron as Resource-Efficient Anode Materials for Ambient-Temperature Metal-Air Batteries: A Review journal July 2019
Silicon and Iron as Resource-Efficient Anode Materials for Ambient-Temperature Metal-Air Batteries: A Review text January 2019