Sodium sulfate as an efficient additive of negative paste for lead-acid batteries …
This paper is devoted to the effect of sodium sulfate as negative paste additive on the performance of the lead-acid battery. Six different percentages of sodium sulfate were added ...
Preparation of basic lead oxide from spent lead acid battery paste via chemical conversion …
Highlights A novel process was studied to recover lead as ultra-fine lead oxide from lead paste. The desulphurization rate of lead paste was 99.0% with Na 2 CO 3, NaHCO 3 or (NH 4) 2 CO 3. Around 98% of lead from desulphurized paste was converted to lead citrate precursor. Ultra-fine lead oxide with particle size of 100–500 nm could be …
Red lead: understanding red lead in lead−acid batteries
This paper intends to prepare lead tetroxide from spent lead paste by hydrometallurgical process, and provide feasible technology for the high-value utilization of spent lead paste. Show abstract Hydrometallurgical process for recovery of spent lead-acid battery paste shows great advantages in reducing SO 2 and lead particulates emissions …
Lead recovery from spent lead acid battery paste by hydrometallurgical conversion and thermal degradation …
Spent lead paste is the main component in lead-acid batteries reaching end of life. It contains about 55% lead sulphate and 35% lead dioxide, as well as minor amounts of lead oxide. It is necessary to recycle spent lead paste with minimal pollution and low energy consumption instead of the conventio …
how to make" paste for plates in "lead acid" battery
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Recovery of lead from lead paste in spent lead acid battery by …
With the wide application of lead acid battery, spent lead acid battery has become a serious problem to environmental protection and human health. Though spent …
Effect of Additives on the Performance of Lead Acid Batteries
Effect of Additives on the Performance of Lead Acid Batteries 868 carried out on the carbon materials as well as NAM with different carbons. The surface area of carbon black, black pearls and activated carbon was found, respectively 82 m2·g-1, …
Lead recovery from spent lead acid battery paste by hydrometallurgical conversion and thermal degradation …
Spent lead paste is the main component in lead-acid batteries reaching end of life. It contains about 55% lead sulphate and 35% lead dioxide, as well as minor amounts of lead oxide. It is necessary to recycle spent …
Progress in Waste Lead Paste Recycling Technology from Spent …
However, lead–acid batteries (LABs) have become popular and have emerged as a major area where lead is utilized. Appropriate recycling technologies and …
Sodium sulfate as an efficient additive of negative paste for lead-acid batteries …
This paper is devoted to the effect of sodium sulfate as negative paste additive on the performance of the lead-acid battery. Six different percentages of sodium sulfate were added to negative paste. The effect of sodium sulfate on discharge capacity, cycle life and cold cranking ability of the sealed lead-acid batteries were investigated.
Hydrometallurgical recovery of lead from spent lead-acid battery …
This study presents a clean process for recycling spent lead-acid battery paste. The lead in paste was recovered via hydrometallurgical leaching and electrowinning in chloride solution.
Improving the performance of recovered lead oxide powder from …
The resulting HRPSoC of lead-acid battery of PPC and PMC battery is 45 957 and 6767 cycles, which are 15.5 and 2.8 times that of a blank battery (2960), respectively. The …
From Lead Paste to High-Value Nanolead Sulfide Products: A …
The recycling of lead in spent lead–acid batteries (LABs) is an effective measure to cope with the depletion of primary lead ore. In this study, multicomponent lead in the lead …
Recovery of Lead from Spent Lead Paste by Pre-desulfurization …
The treatment of spent lead paste is essential for the recycling of spent lead-acid batteries. In this study, we propose a facile route for the recovery of lead from …
8.3: Electrochemistry
8.3: Electrochemistry- Cells and Batteries
Improving the performance of a high power, lead–acid battery with paste …
This paper is devoted to the effect of sodium sulfate as negative paste additive on the performance of the lead-acid battery. Six different percentages of sodium sulfate were added to negative paste.
Effect of pH on desulphurization of spent lead paste via hydrometallurgical …
The effect of pH was investigated in a hydrometallurgical method for recycling spent lead-acid batteries with citric acid. The pH in this novel procedure was adjusted with a cheap and conveniently available alkalescent reagent-ammonia. The desulphurization efficiency ...
Beneficial effects of red lead on non-cured plates for lead-acid batteries …
In order to find a more convenient processing method and more suitable paste formula for making VRLA batteries, hydrogen peroxide solution and red lead (Pb 3 O 4) have been used together during the paste preparation.The use of …
Effects of ultrasound on the crystallization of products prepared from lead paste …
Lead paste from spent lead-acid battery was produced by hydrometallurgy process in citric acid solution.The small size of lead citrate,the precursor of the process made it difficult to be filtered from the liquid mixture.The crystallization process of lead citrate was controlled by ultrasound.The products were characterized by means of XRD,TG-DTA and SEM before …
The Recovery of Lead from Spent Lead Acid Battery Paste by …
The recovery of lead from spent lead acid battery paste (SLP) is not only related to the sustainable development of the lead industry, but also to the sustainable …
Desulphurization of damped battery paste by sodium carbonate …
DOI: 10.1016/J.JPOWSOUR.2007.06.014 Corpus ID: 94538528 Desulphurization of damped battery paste by sodium carbonate and sodium hydroxide @article{Lyakov2007DesulphurizationOD, title={Desulphurization of damped battery paste by sodium carbonate and sodium hydroxide}, author={Nedialko K. Lyakov and Dimitrina …
A green recycling process of the spent lead paste from discarded lead–acid battery …
Nowadays, from the perspective of only lead recovery, many researches have an increased interest in recycling lead as Pb(C 6 H 6 O 7 )·H 2 O or further degradation to form PbO product from scrap ...
The majority of lead acid battery failures can be attributed to degradation of the positive active material. In this paper the results from a study to investigate the effects of adding carbon fibre additive to red lead positive paste are presented. The test batteries manufactured were evaluated using capacity and cycle life tests prior to destructive …
Aspects of lead/acid battery technology I. Pastes and paste mixing
A detailed description is given for (i) conditions necessary to produce such a paste which will shear and flow well under pressure; (ii) how for any particular attrition mill …
JOURNAL OF MATERIALS SCIENCE38(2003)3013– 3017 Effect of valve regulated lead/acid battery positive paste carbon fibre additive R. J. BALL∗ Department of Engineering and Applied Science ...
Effects of carbon additives on the performance of negative electrode of lead-carbon battery …
Fig. 1 shows the discharge curves of the negative electrode sheets with different contents of AC at 3C and 5C discharge rates. The experimental results show that the discharge time is significantly affected by the amount of AC in NAM. It can be seen from Fig. 1 that, at 3C and 5C discharge rates, the discharge time of the negative electrode …
The effects of tartaric acid as an electrolyte additive on lead-acid battery …
In the manufacturing process of lead acid battery, formation is one of the most important steps. Quality of formation will directly affect performance and life of the lead acid battery. This paper investigates the influence of tartaric acid (TA) on the formation of the negative plate. TA can significantly improve the stability and efficiency of battery with …
Recovery of lead from lead paste in spent lead acid battery by hydrometallurgical desulfurization and vacuum thermal …
The chemical composition of spent lead acid battery paste is given in Table 1. Fig. 1 presents the X-ray diffraction (XRD) pattern of the lead paste before desulfurization, Hydrometallurgical desulfurization of lead paste Fig. 5 presents the XRD pattern of
A green recycling process of the spent lead paste from discarded …
In this study, a green recycling process of discarded lead–acid battery paste, which could avoid both the smelting and electro-winning route has been …
Accelerated desulphurization of waste lead battery paste in a …
To simpler understand the intensified desulphurization process in the RPB reactor, the effects of various operation parameters on the desulphurization degree (α) of pure PbSO 4 as the main composition of waste lead acid paste were firstly investigated. Fig. 2 shows the effect of the rotating speed of the RPB reactor on the desulphurization …
Processing diagram for preparation of 4BS from scrap lead paste.
Tetrabasic lead sulfate (4BS) was used as a positive active material additive for lead-acid batteries, which affirmatively affected the performance of the battery. Herein, tetrabasic ...
Beneficial effects of red lead on non-cured plates for lead-acid batteries …
1. IntroductionTracing back the history of lead-acid batteries, it can be found that red lead (Pb 3 O 4) was commonly used by early battery manufacturers, but was later replaced by "leady" oxide (Barton–pot or ball-mill oxide), mainly due to its high production cost [1]..
Beneficial effects of red lead on non-cured plates for lead-acid batteries …
Request PDF | Beneficial effects of red lead on non-cured plates for lead-acid batteries | In order to find a more convenient processing method and more suitable paste formula for ...
