A novel ultrafine leady oxide prepared from spent lead pastes for application as cathode of lead acid battery

Yang, Danni; Liu, Jianwen; Wang, Qin; Yuan, Xiqing; Zhu, Xiao; Li, Lei; Zhang, Wei; Hu, Yuping; Sun, Xiaojuan; Kumar, R. Vasant; Yang, Jiakuan

doi:10.1016/j.jpowsour.2014.01.091

Cited by 45 publications

(44 citation statements)

References 18 publications

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“…[5][6][7] After all these procedures the lead oxides containing 70-80% PbO and 20-30% Pb are finally transformed into PbO 2 and Pb. [5][6][7] After all these procedures the lead oxides containing 70-80% PbO and 20-30% Pb are finally transformed into PbO 2 and Pb.…”

mentioning

confidence: 99%

Comment on “Environmentally responsible fabrication of efficient perovskite solar cells from recycled car batteries” by Po-Yen Chen, Jifa Qi, Matthew T. Klug, Xiangnan Dang, Paula T. Hammond and Angela M. Belcher, Energy Environ. Sci., 2014

Yuan

et al. 2015

Energy Environ. Sci.

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A paper published in Energy and Environmental Science by Po-Yen Chen et al. reported on a new route for fabricating perovskite solar cells using ''recycled car batteries'' (spent lead acid batteries) as starting materials. Multiple lines of evidence show that it was a new lead acid battery and not a recycled one that was used to synthesize lead iodide perovskite materials in this work. As the components of electrodes are different between new batteries and spent ones, this fabricating method would not be applicable for use in recycled car batteries.

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confidence: 99%

Comment on “Environmentally responsible fabrication of efficient perovskite solar cells from recycled car batteries” by Po-Yen Chen, Jifa Qi, Matthew T. Klug, Xiangnan Dang, Paula T. Hammond and Angela M. Belcher, Energy Environ. Sci., 2014

Yuan

et al. 2015

Energy Environ. Sci.

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“…When used citric acid-sodium citrate (C6H8O7·H2O-Na3C6H5O7·H2O) as desulfurization agent [18][19][20][21][22], lead sulfate (PbSO4) will be translated into lead citrate (Pb3 (C6H5O7)2·H2O) and sodium sulfate (Na2SO4). Pb3 (C6H5O7)2·H2O should be translated into lead oxide (PbO) after calcinations at 300-400 ºC; Na2SO4 should be recycled after evaporative crystallization as chemical product.…”

Section: Citric Acid-sodium Citrate As Desulfurization Agentmentioning

confidence: 99%

Research Progress of Desulphurization Methods for Scrap Lead Paste

Cheng

Zhang²,

Hu³

et al. 2015

International Journal of Chemistry and Materials Research

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“…In addition, an application of oxalic acid for the precursor preparation has also been reported . However, in these processes, most of the impurities (especially Fe and Ba) in the spent lead paste remain in the solid precursors, causing an unacceptably high content of impurities in the leady oxide product and contributing to deterioration of battery performance …”

Section: Introductionmentioning

confidence: 99%

“…The results show that 13 of them are harmful because of the promotion of hydrogen and oxygen gassing rates. Among the impurities in spent lead paste, barium (Ba) and ferrum (Fe) are of particular concern because of their high contents and significant negative effects on the charge/discharge cycling performance of the assembled testing batteries . Generally, the Ba impurities come from the negative electrode additives of BaSO 4 .…”

Section: Introductionmentioning

confidence: 99%

A facile lead acetate conversion process for synthesis of high‐purity alpha‐lead oxide derived from spent lead‐acid batteries

Yang

et al. 2018

J of Chemical Tech & Biotech

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BACKGROUND The lead oxide product recovered from spent lead‐acid battery paste via the hydrometallurgical route usually contains many impurity elements, i.e. Ba and Fe. In this paper, a facile lead acetate conversion process was proposed for synthesis of high‐purity alpha‐lead oxide (α‐PbO) derived from spent lead‐acid batteries. RESULTS The desulfurized lead paste was leached with acetic acid and hydrogen peroxide to prepare lead acetate solution, which was then reacted with sodium hydroxide solution to synthesize high‐purity α‐PbO. The doses of acetic acid and hydrogen peroxide were the two key parameters for the removals of the impurities, due to their dominant effects on the pH and redox potential of the leaching step. Under the optimized conditions (the molar ratios of CH3COOH/Pb of 2.00, H2O2/PbO2 of 3.5, and NaOH/Pb of 2.5), the high‐purity α‐PbO product with impurities of 20.5 mg kg−1 Fe and 1.5 mg kg−1 Ba was prepared, which were the lowest impurities content in lead product recovered via a hydrometallurgical route compared with previous literature. The total removal efficiencies of impurities Ba and Fe reached 99.9 wt% and 99.0 wt%, respectively. The total recovery efficiency of Pb from the spent lead paste was 92.6 wt%. CONCLUSION The proposed acetic acid leaching process was proved to be an effective strategy to remove the impurities via a hydrometallurgical route. The recovered high‐purity α‐PbO could be used as the positive active materials for lead‐acid battery. This study could provide insights into the impurities removal in the hydrometallurgical recovery of spent lead paste. © 2018 Society of Chemical Industry

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A novel ultrafine leady oxide prepared from spent lead pastes for application as cathode of lead acid battery

Cited by 45 publications

References 18 publications

Comment on “Environmentally responsible fabrication of efficient perovskite solar cells from recycled car batteries” by Po-Yen Chen, Jifa Qi, Matthew T. Klug, Xiangnan Dang, Paula T. Hammond and Angela M. Belcher, Energy Environ. Sci., 2014

Comment on “Environmentally responsible fabrication of efficient perovskite solar cells from recycled car batteries” by Po-Yen Chen, Jifa Qi, Matthew T. Klug, Xiangnan Dang, Paula T. Hammond and Angela M. Belcher, Energy Environ. Sci., 2014

Research Progress of Desulphurization Methods for Scrap Lead Paste

A facile lead acetate conversion process for synthesis of high‐purity alpha‐lead oxide derived from spent lead‐acid batteries

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