Study of a high power density sodium polysulfide/bromine energy storage cell

S. H. Ge; B. L. Yi; H. M. Zhang

doi:10.1023/B:JACH.0000009936.82613.ad

Study of a high power density sodium polysulfide/bromine energy storage cell

S. H. Ge, B. L. Yi, H. M. Zhang

Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

Nickel catalyst supported on carbon was made by reduction of nickelous nitrate with hydrogen at high temperature. Ni/C catalyst characterization was carried out by XRD. It was found that the crystal phase of NiS and NiS ₂ appeared in the impregnated catalyst. Ni/C and Pt/C catalysts gave high performance as the positive and negative electrodes of a sodium polysulfide/bromine energy storage cell, respectively. The overpotentials of the positive and negative electrodes were investigated. The effect of the electrocatalyst loading and operating temperature on the charge and discharge performance of the cell was investigated. A power density of up to 0.64 W cm^-2 (V = 1.07 V) was obtained in this energy storage cell. A cell potential efficiency of up to 88.2% was obtained when both charge and discharge current densities were 0.1 A cm^-2.

Original language	English (US)
Pages (from-to)	181-185
Number of pages	5
Journal	Journal of Applied Electrochemistry
Volume	34
Issue number	2
DOIs	https://doi.org/10.1023/B:JACH.0000009936.82613.ad
State	Published - Feb 2004

All Science Journal Classification (ASJC) codes

General Chemical Engineering
Electrochemistry
Materials Chemistry

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title = "Study of a high power density sodium polysulfide/bromine energy storage cell",

abstract = "Nickel catalyst supported on carbon was made by reduction of nickelous nitrate with hydrogen at high temperature. Ni/C catalyst characterization was carried out by XRD. It was found that the crystal phase of NiS and NiS 2 appeared in the impregnated catalyst. Ni/C and Pt/C catalysts gave high performance as the positive and negative electrodes of a sodium polysulfide/bromine energy storage cell, respectively. The overpotentials of the positive and negative electrodes were investigated. The effect of the electrocatalyst loading and operating temperature on the charge and discharge performance of the cell was investigated. A power density of up to 0.64 W cm-2 (V = 1.07 V) was obtained in this energy storage cell. A cell potential efficiency of up to 88.2% was obtained when both charge and discharge current densities were 0.1 A cm-2.",

author = "Ge, {S. H.} and Yi, {B. L.} and Zhang, {H. M.}",

note = "Funding Information: Financial support for this project from the National Postdoctoral Science Foundation of China is gratefully acknowledged. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.",

year = "2004",

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doi = "10.1023/B:JACH.0000009936.82613.ad",

language = "English (US)",

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journal = "Journal of Applied Electrochemistry",

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T1 - Study of a high power density sodium polysulfide/bromine energy storage cell

AU - Ge, S. H.

AU - Yi, B. L.

AU - Zhang, H. M.

N1 - Funding Information: Financial support for this project from the National Postdoctoral Science Foundation of China is gratefully acknowledged. Copyright: Copyright 2008 Elsevier B.V., All rights reserved.

PY - 2004/2

Y1 - 2004/2

N2 - Nickel catalyst supported on carbon was made by reduction of nickelous nitrate with hydrogen at high temperature. Ni/C catalyst characterization was carried out by XRD. It was found that the crystal phase of NiS and NiS 2 appeared in the impregnated catalyst. Ni/C and Pt/C catalysts gave high performance as the positive and negative electrodes of a sodium polysulfide/bromine energy storage cell, respectively. The overpotentials of the positive and negative electrodes were investigated. The effect of the electrocatalyst loading and operating temperature on the charge and discharge performance of the cell was investigated. A power density of up to 0.64 W cm-2 (V = 1.07 V) was obtained in this energy storage cell. A cell potential efficiency of up to 88.2% was obtained when both charge and discharge current densities were 0.1 A cm-2.

AB - Nickel catalyst supported on carbon was made by reduction of nickelous nitrate with hydrogen at high temperature. Ni/C catalyst characterization was carried out by XRD. It was found that the crystal phase of NiS and NiS 2 appeared in the impregnated catalyst. Ni/C and Pt/C catalysts gave high performance as the positive and negative electrodes of a sodium polysulfide/bromine energy storage cell, respectively. The overpotentials of the positive and negative electrodes were investigated. The effect of the electrocatalyst loading and operating temperature on the charge and discharge performance of the cell was investigated. A power density of up to 0.64 W cm-2 (V = 1.07 V) was obtained in this energy storage cell. A cell potential efficiency of up to 88.2% was obtained when both charge and discharge current densities were 0.1 A cm-2.

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JO - Journal of Applied Electrochemistry

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ER -

Study of a high power density sodium polysulfide/bromine energy storage cell

Abstract

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