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author:

Guo, Y. (Guo, Y..) [1] | Tang, S. (Tang, S..) [2] | Meng, G. (Meng, G..) [3] | Yang, S. (Yang, S..) [4]

Indexed by:

Scopus

Abstract:

The 36 or 48 V valve-regulated lead-acid (VRLA) battery packs have been widely applied to the power sources of electric bicycles or light electric scooters in China. The failure modes of the 12 V/10 Ah VRLA batteries have been studied by the cycle life test at C2 discharge rate and 100% depth of discharge (DOD). It indicates that the main cause of the battery failure in this cycle duty is the softening and shedding of positive active mass (PAM) rather than individual water loss, recombination efficiency or sulfation, etc. When the electrolyte saturation falls to a certain extent, the high oxygen recombination current leads to the depolarization of the negative plate and the shift of the positive plate to a higher potential. The violent oxygen evolution accelerates the softening of PAM and the end of cycle life. © 2008 Elsevier B.V. All rights reserved.

Keyword:

Cycle life; Electric bicycle; Failure modes; Softening; Valve-regulated lead-acid batteries

Community:

  • [ 1 ] [Guo, Y.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Tang, S.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Meng, G.]Hubei Camel Storage Battery Co. Ltd., Gucheng, 441705, China
  • [ 4 ] [Yang, S.]Hubei Camel Storage Battery Co. Ltd., Gucheng, 441705, China

Reprint 's Address:

  • [Guo, Y.]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou, 350108, China

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Source :

Journal of Power Sources

ISSN: 0378-7753

Year: 2009

Issue: 1

Volume: 191

Page: 127-133

3 . 7 9 2

JCR@2009

8 . 1 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 54

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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