ChemInform Abstract: Orthorhombic PbO Formation During the Discharge of Lead Acid Batteries PbO2 Active Mass.

Pavlov, D.; Balkanov, I.; Rachev, P.

doi:10.1002/chin.198805024

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Mechanism Of the Process During Polarization With Pulse Char1

Introduction1

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2005

2008

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Cited by 2 publications

(2 citation statements)

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“…Considering the gel-crystal model of the lead dioxide from the positive active material, the mechanism of the PbSO 4 oxidation can be represented by the following reactions [26][27][28][29] The Pb 2+ ions, dissolved form the PbSO 4 crystals, are oxidized on the surface or in the volume of the gel part of the PbO 2 . The latter consists of hydrated polymer chains of lead dioxide, denoted as PbO(OH) 2 (gel PbO 2 ) .…”

Section: Mechanism Of the Process During Polarization With Pulse Charmentioning

confidence: 99%

Studies of the pulse charge of lead-acid batteries for PV applications

Kirchev

Perrin

Lemaire

et al. 2008

Journal of Power Sources

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Section: Mechanism Of the Process During Polarization With Pulse Charmentioning

confidence: 99%

Studies of the pulse charge of lead-acid batteries for PV applications

Kirchev

Perrin

Lemaire

et al. 2008

Journal of Power Sources

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“…An important aspect of this is that the composition of the positive active mass (PAM) containing a-PbO 2 , b-PbO 2 and PbO n (1<n<2), etc. is complicated [1][2][3][4]. The PAM structure depends on its porosity and the ratio of a-to b-PbO 2 , which determine the power output of the battery and its life [5].…”

Section: Introductionmentioning

confidence: 99%

In situ electrochemical scan to study the behavior of the asymmetric (single-side) pasted positive plate as used in automotive lead-acid batteries

Guo

2005

J Appl Electrochem

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In situ electrochemical scan to study the behavior of the asymmetric (single-side) pasted positive plate as used in automotive lead-acid batteries Abstract The performance of a asymmetric (single-side) pasted positive plate was studied by measuring the current density and potential distributions on both sides of the plate. It was found that the current densities on both sides are almost the same during the early discharge at the 3 C discharge rate. As the discharge proceeds, the current decreases gradually on the non-pasted side and increases on the pasted side. Since more active mass exists on the pasted side, the matrix resistance is higher, causing the polarization to increase by 55-90 mV at the 3 C discharge rate. On the non-pasted side, the active mass undergoes a deeper depth of discharge (DOD). This leads to the shedding of active mass, which shortens the battery life. Since the positive grid on the non-pasted side is exposed, its corrosion rate is faster.

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ChemInform Abstract: Orthorhombic PbO Formation During the Discharge of Lead Acid Batteries PbO2 Active Mass.

Abstract: The active mass structure of the lead acid battery positive plate has been investigated by TEM and electron diffraction.

Cited by 2 publications

References 1 publication

Studies of the pulse charge of lead-acid batteries for PV applications

Studies of the pulse charge of lead-acid batteries for PV applications

In situ electrochemical scan to study the behavior of the asymmetric (single-side) pasted positive plate as used in automotive lead-acid batteries

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