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author:

Hu, J. (Hu, J..) [1] | Guo, Y. (Guo, Y..) [2]

Indexed by:

Scopus

Abstract:

Two absorptive glass mat (AGM) valve-regulated lead-acid batteries with concentration and saturation stratification were simulated. Results indicate that the concentration stratification makes the active mass (AM) in lower part discharge deeply, which results in more irreversible sulphate on the negative plate because of inefficient recharge. In saturation stratification, more AM is also discharged in lower part, but the high oxygen recombination and undercharge in the upper part of the negative plate also leads to its sulphation. When the battery is in short-time rest state, the self-charge process occurs in the upper part and self-discharge process in the lower part of the same plate, but the processes differs with rest continuing. All these make the negative plate sulphation. © 2007 Elsevier Ltd. All rights reserved.

Keyword:

Electrolyte stratification; Oxygen recombination; Sulphation; Utilization of active material; Valve-regulated lead-acid batteries

Community:

  • [ 1 ] [Hu, J.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, 350002, China
  • [ 2 ] [Guo, Y.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, 350002, China

Reprint 's Address:

  • [Guo, Y.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, 350002, China

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Source :

Electrochimica Acta

ISSN: 0013-4686

Year: 2007

Issue: 24

Volume: 52

Page: 6734-6740

2 . 8 4 8

JCR@2007

5 . 5 0 0

JCR@2023

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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