NDLI: Electrochemical property of α-PbO prepared from the spent negative powders of lead acid batteries

Content Provider	Springer Nature Link
Author	Liu, Wei Ma, Beibei Fu, Yan Zhang, Ke Mezaal, Mohammed Adnan Li, Fajun Zhao, Xiaoyuan Lei, Lixu
Copyright Year	2016
Abstract	To make full and economic use of the spent lead acid batteries (LABs), we have invented a novel route to separate their negative electrode material from positive one, which are respectively used to fabricate α-PbO for new LABs. This paper reports preparation and electrochemical property of α-PbO from the spent negative material which is compose of PbSO4 (the major phase) and Pb (the minor phase). To make things simpler, pure PbSO4 is firstly used as the model compound and desulfated with (NH4)2CO3 to obtain PbCO3, which is then calcined in air at different temperatures to produce PbO. At 450 °C, the calcination produces pure α-PbO that discharges a capacity of 98.6 mAh g−1 at the current density of 120 mA g−1 after 50 charging and discharging cycles of 100 % DOD. By using the same procedures, the real spent negative powder is also treated to produce pure α-PbO, which discharges a similar capacity of 100 mAh g−1 at 120 mA g−1. This is 25 % higher than that of industrial leady oxide. These results show that the small amount of metallic lead has little effect on the treatment.
Starting Page	35
Ending Page	46
Page Count	12
File Format	PDF
ISSN	14328488
Journal	Journal of Solid State Electrochemistry
Volume Number	21
Issue Number	1
e-ISSN	14330768
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-07-26
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Lead acid battery Spent negative active materials Litharge Lead sulfate Recycle Physical Chemistry Electrochemistry Energy Storage Characterization and Evaluation of Materials Analytical Chemistry Condensed Matter Physics
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Materials Science Electrical and Electronic Engineering Electrochemistry

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