Recycling
Browse 60 curated documents about recycling in The Archive — the 2RA-Edition digital library for engineering and scientific research. This collection of books, journal articles, theses, reports, and technical documents on recycling spans extractive metallurgy, mining engineering, chemistry, and applied science. Every document is searchable in full text; sign in to read, download, ask AI questions about any document, or generate cited research drafts with the AI Researcher.
Recyclage des pièces en composite polyester en fibres de verre de grandes dimensions par laminage
Nouigues Arbia
The composite materials recycling is facing many problems. The objective of this study is to find an alternative process to current recycling solutions for thermosetting composites, particularly for big parts like boats or wind turbine blades. A new method adapted to the recycling of unsaturated polyester glass fibers reinforced composite is studied in this work: the rolling at a temperature at wh
Recycled and compatibilized PP-PET composites, reinforced with Angelim Pedra particles
Thais da Silva Santos, José Costa de Macedo Neto
The growing demand for sustainable materials has driven the development of polymer composites made from plastic waste and lignocellulosic reinforcements. However, the low compatibility between polypropylene (PP) and polyethylene terephthalate (PET) can limit interfacial adhesion and compromise the performance of the composites. In this study, we evaluated the influence of compatibilization with ma
GOLD RECOVERY FROM WASTE PRINTED CIRCUIT BOARD IODIDE LEACHATES USING A NOVEL MEMBRANE-BASED ELECTROWINING PROCESS
Ngeleka Marco Mukuna, Jochen Petersen
The hydrometallurgical recovery of gold from waste printed circuit boards is considered a promising recycling technique. This paper presents the findings from a study investigating the feasibility of a hydrometallurgical technique to recover gold from waste printed circuit board iodide leachates using a novel membrane-based electrowinning process. Findings showed that the investigated novel proces
Bismuth Extraction and Refining in the Critical-Minerals Era: A Critical Review from Primary Ores to Circular Secondary Resources
Subash Chandra Bose Rapaka, Rajesh Kumar Sivasankaran Nair
Bismuth is a low-toxicity minor metal whose supply chain depends overwhelmingly on by-product recovery from lead, copper, tin, and tungsten refining, increasingly supplemented by secondary sources including anode slimes, electronic waste, and end-of-life Bi2Te3 thermoelectric modules. Recent Chinese export restrictions, together with a geographically concentrated supply base exceeding 80% of world
OPTIMIZING ANNEALING HEAT TREATMENT FOR IMPROVED DUCTILITY IN RECYCLED HIGH-PRESSURE DIE CAST AlSi7MnMg ALLOY
Cristian Cascioli, Riccardo Arcaleni
The increasing use of recycled aluminium in automotive applications requires the development of energy-efficient heat treatments capable of optimizing mechanical performance while preserving microstructural integrity. In this study, the effect of annealing on the microstructure and mechanical behaviour of a recycled AlSi7MnMg alloy produced by high-pressure die casting was systematically investiga
SEPARATION OF COPPER FROM A LEACHING SOLUTION OF PRINTED CIRCUIT BOARDS BY USING SOLVENT EXTRACTION WITH D2EHPA
Mónica Maria Jiménez Correa, Flávia Paulucci Cianga Silvas
Global generation of waste electrical and electronic equipment (WEEE) is increasing quickly. This paper describes a combined hydrometallurgical route (sulfuric oxidant leaching + solvent extraction) to recover copper from printed circuit boards (PCBs). A non-magnetic fraction from comminuted PCBs was used to perform leaching tests at 75ºC for 6 hours in an oxidizing media (sulfuric acid + hydrogen
Roadmap for a sustainable circular economy in lithium-ion and future battery technologies
Gavin D J Harper, Emma Kendrick
The transition to a sustainable circular economy represents a critical challenge in the context of increasing demand for lithium-ion and future battery technologies. This roadmap aims to outline strategies that promote sustainable practices within battery manufacturing and recycling processes. The methodology employed includes a comprehensive review of current practices, identification of barriers
Precious metal recoveries in secondary copper smelting with high-alumina slags
Katri Avarmaa, Hugh O’Brien
Waste electrical and electronic equipment (WEEE) represents a significant urban resource for precious metals. To maximize the recoveries and sustainable use of these metals, their behavior needs to be characterized in the secondary copper smelting of WEEE. The current study experimentally determined the distributions of gold, silver, platinum and palladium between copper alloy and FeOx–SiO2–Al2O3/
Progress in Direct Recycling of Spent Lithium Nickel Manganese Cobalt Oxide (NMC) Cathodes
Juntian Fan, Huimin Luo
With the widespread use of lithium-ion batteries (LIBs) in portable electronics and electric vehicles (EVs), the end-of-life (EOL) LIBs are projected to reach 1336 GWh by 2040 under the sustainable development scenario. Proper recycling is urgently needed to minimize the release of hazardous waste and reduce mining activities by reintroducing critical minerals into the supply chain. Lithium nickel
Robust Model Predictive Control of Fast Lithium-ion Battery Pretreatment for Safe Recycling
Meng Yuan, Adam Burman
The proper disposal and repurposing of end-of-life electric vehicle batteries are critical for maximizing their environmental benefits. This study introduces a robust model predictive control (MPC) framework designed to optimize the battery discharging process during pre-treatment, ensuring both efficiency and safety. The proposed method explicitly incorporates temperature constraints to prevent o
2026 Xu Organic acid leaching of spent NCM batteries
Weihui Xu, Xueying Li
The growing demand for portable power has triggered a sharp increase in end-of-life lithium–nickel–cobalt–manganese oxide (NCM) batteries. Efficient recovery of NCM cathode materials is crucial for resource security. This study investigates an ascorbic acid–tartaric acid leaching system for extracting cobalt and manganese from spent NCM batteries. Temperature influences the leaching efficiencies o
2025 Rudnik Tin recovery by biohydrometallurgical methods
Ewa Rudnik
Tin, although not considered a critical material in all world regions, is a key material for modern technologies. The projected scarcity of tin in the coming decades emphasizes the need for efficient recycling methods to maintain uninterrupted supply chains. This review article focuses on the recovery of tin from low-grade secondary sources, specifically obsolete printed circuit boards (PCBs) and
Battery Open Access Index 2026 08 04
Saakaar Bhatnagar, Andrew Comerford
This study explores a novel layered swarm optimization approach for enhancing the fitting process of thermal runaway models associated with batteries, specifically gaging their behavior under accelerated rate calorimetry conditions. The objective of this research is to develop a robust modeling technique that accurately predicts the thermal runaway characteristics of lithium-ion batteries, which i
2003 Takashi Yoshida Leaching of Zinc Oxide in Acidic Solution matertrans.44.2489
Takashi Yoshida
The leaching mechanism of zinc oxide is essential for understanding the zinc smelting process and developing new zinc recycling methods. This study aimed to investigate the leaching of zinc oxide from electric arc furnace dust (EAF dust) using hydrochloric acid and sulfuric acid solutions. Kinetic leaching tests were conducted with variations in pH, temperature, leaching time, and the rotating spe
Assessment of Electric Arc Furnace (EAF) Steel Slag Waste’s Recycling Options into Value Added Green Products: A Review
Pao Ter Teo, Siti Koriah Zakaria
Steel slag is one of the most common waste products from the steelmaking industry. Conventional methods of slag disposal can cause negative impacts on humans and the environment. In this paper, the process of steel and steel slag production, physical and chemical properties, and potential options of slag recycling were reviewed. Since steel is mainly produced through an electric arc furnace (EAF)
Recovery and Utilization of Metallurgical Solid Waste
Yingyi Zhang
At present, a lot of metallurgical solid wastes have not been timely and effectively recycled, resulting in serious problems of environmental pollution and waste of resources. This book aims to address this issue by providing a comprehensive overview of comprehensive utilization technologies for metallurgical solid waste, including slag dry granulation, steel slag cement production, slag wool tech
Recycling routes of lithium‑ion batteries: A critical review of the development status, the process performance, and life‑cycle environmental impacts
Ronja Wagner‑Wenz, Anke Weidenkaff
This review examines the status of development, process performance and life cycle environmental impact of the three major recycling routes for lithium ion batteries and considers the impact of changes in legislation in the European Union (EU). Today, new lithium‑ion battery‑recycling technologies are under development while a change in the legal requirements for recycling targets is under way. Th
Circular Recycling Strategies for LFP Batteries: A Review Focusing on Hydrometallurgy Sustainable Processing
D.d.S. Vasconcelos, J.A.S. Tenório
The exponential growth of electric and hybrid vehicles in the last five years forecasts a waste problem when their batteries achieve end-of-life. Li-ion batteries for vehicles have been assembled using materials from natural resources (as Li, Fe, Al, Cu Co, Mn and P). Among them, LiFePO4 cathode materials have demonstrated advantages such as charge–discharge cycles, thermal stability, surface area
End of life solar photovoltaic panels A review of current recyc 2026 Next M
W.K.P.G.N. Charuni, I.H.D. Seneviratne
The rapid global expansion of solar photovoltaic (PV) installations is generating an end-of-life (EoL) waste stream that may pose environmental and health risks. In many countries, the lack of recycling methods and limited collection capacity leads to landfilling, which releases heavy metals and harmful particles into soil, water, and ecosystems. These contaminants can bioaccumulate through the fo
Sustainable Process to Recover Metals from Waste PCBs Using Physical Pre-Treatment and Hydrometallurgical Techniques
Suruchi Kumari, Rekha Panda
Printed Circuit Boards (PCBs) are an essential component of electronic devices. The digitalization and upgrading of gadgets generates a significant amount of PCB-containing electronic waste, necessitating efficient recycling methods to conserve resources and protect the environment. This paper presents a sustainable process for the recovery of metals from waste PCBs utilizing physical pre-treatmen
Managing Plastic Waste—Sorting, Recycling, Disposal, and Product Redesign
Jean-Paul Lange
Over the years, the petrochemical industry has developed a plethora of polymers that are contributing to the well-being of humanity. Irresponsible disposal of used plastics has, however, led to the buildup of litter, which is fouling the environment, harming wildlife, and wasting valuable resources. This paper critically reviews the challenge and opportunities in converting plastic waste into a fe
Towards a cell-chemistry specific life cycle assessment of lithium-ion battery recycling processes
Mohr, Marit, Peters, Jens
In spite of their success, recycling of lithium-ion batteries (LIB) is still in an early stage. This is reflected by the limited amount of publications on the potential environmental benefits of LIB recycling. These focus on evaluating individual recycling processes for a single cell type or a generic mix of waste batteries, and little information is available about the difference between individu
Progress and Status of Hydrometallurgical and Direct Recycling of Li-Ion Batteries and Beyond
François Larouche, Farouk Tedjar
An exponential market growth of Li-ion batteries (LIBs) has been observed in the past 20 years; approximately 670,000 tons of LIBs have been sold in 2017 alone. This trend will continue owing to the growing interest of consumers for electric vehicles, recent engagement of car manufacturers to produce them, recent developments in energy storage facilities, and commitment of governments for the elec
The Current Process for the Recycling of Spent Lithium Ion Batteries
Li-Feng Zhou, Dongrun Yang
With the growing demand for lithium ion batteries in the electric vehicle industry, the issue of waste management, recycling, and reuse of spent lithium ion batteries has become critical. This paper aims to review the current processes and technologies involved in recycling these batteries, which primarily consist of transition metal oxides or phosphates, aluminum, copper, and harmful organic elec
A qualitative assessment of lithium ion battery recycling processes
Roberto Sommerville, Pengcheng Zhu
The increasing reliance on lithium ion batteries for energy storage presents significant challenges regarding their end-of-life management and recycling. This study aims to investigate the various recycling processes of lithium ion batteries, exploring the associated environmental and economic implications. Employing a qualitative assessment methodology, we conducted interviews with industry exper
Preparation and Melting of Scrap in Aluminum Recycling: A Review
Stefano Capuzzi, Giulio Timelli
This work provides an overview of the aluminum (Al) recycling process, from the scrap upgrading to the melting process. Innovations and new trends regarding the Al recycling technologies are highlighted. Aluminum recycling offers advantages in terms of environmental and economic benefits. The presence of deleterious impurities in recycled Al alloys is increasing and this is the main drawback if co
The EU Circular Economy and Its Relevance to Metal Recycling
Christian Hagelüken, Ji Un Lee-Shin
This paper provides an overview of ongoing European policy actions to improve the circular management of non-ferrous metals. After explaining why metals are at the center of the European Union’s circular economy initiative, the authors outline a number of issues that still need tackling to 'close the loop', and prevent Europe’s metals from being landfilled, incinerated, or exported without guarant
Circular Economy: Questions for Responsible Minerals, Additive Manufacturing and Recycling of Metals
Damien Giurco, Anna Littleboy
The concept of the circular economy proposes new patterns of production, consumption and use, based on circular flows of resources. Under a scenario where there is a global shift towards the circular economy, this paper discusses the advent of two parallel and yet-to-be-connected trends for Australia, namely: (i) responsible minerals supply chains and (ii) additive manufacturing, also known as 3D
End-of-Life Vehicle (ELV) Recycling: An international comparative study of end-of-life vehicle (ELV) recycling systems
Shin-ichi Sakai, Hideto Yoshida
End-of-life vehicles (ELV) have become a global concern as automobiles have become popular worldwide. An international workshop was held to gather data and to discuss 3R policies and ELV recycling systems, their background and present situation, outcomes of related policies and programs, the framework of recycling and waste management, and case studies on related topics in several countries and re
Recycling of Thermoset Materials and Thermoset-Based Composites: Challenge and Opportunity
Elisabetta Morici, Nadka Tz. Dintcheva
Thermoset materials and their composites are characterized by a long life cycle with their main applications in aircrafts, wind turbines and constructions as insulating materials. Considering the importance of recovery and valorization of these materials at their end-of-life, avoiding landfilling, the interest concerning their recycling grows continuously. The thermoset materials and their composi
A Critical Review of Lithium-Ion Battery Recycling Processes from a Circular Economy Perspective
Omar Velázquez-Martínez, Johanna Valio
Lithium-ion batteries (LIBs) are currently one of the most important electrochemical energy storage devices, powering electronic mobile devices and electric vehicles alike. However, there is a remarkable difference between their rate of production and rate of recycling. At the end of their lifecycle, only a limited number of LIBs undergo any recycling treatment, with the majority go to landfills o
Eco-Friendly Recycling of Lithium Batteries for Extraction of High-Purity Metals
Gamal M. A. Mahran, Mohamed A. Gado
The significant increase in lithium batteries consumption produces a significant quantity of discarded lithium-ion batteries (LIBs). On the one hand, the shortage of high-grade ores leads to the necessity of processing low-grade ores, which contain a low percentage of valuable metals in comparison to the discarded LIBs that contain a high percentage of these metals, which enhances the processing o
Universal and efficient extraction of lithium for lithium-ion battery recycling using mechanochemistry
Oleksandr Dolotko, Niclas Gehrke
The increasing lithium-ion battery production calls for profitable and ecologically benign technologies for their recycling. This study presents a highly efficient mechanochemically induced acid-free process for recycling lithium from cathode materials of varying chemistries, including LiCoO2, LiMn2O4, Li(CoNiMn)O2, and LiFePO4, utilizing aluminum as a reducing agent. Two processes were developed
Electrochemical Approaches for the Recovery of Metals from Electronic Waste: A Critical Review
Varun Rai, Daobin Liu
Electronic waste (e-waste) management and recycling are gaining significant attention due to the presence of precious, critical, or strategic metals combined with the associated environmental burden of recovering metals from natural mines. Metal recovery from e-waste is being prioritized in metallurgical extraction owing to the fast depletion of natural mineral ores and the limited geographical av
Recovery of Rare Earth Elements from Spent NdFeB Magnets: Metal Extraction by Molten Salt Electrolysis (Third Part)
Hanwen Chung, Laras Prasakti
The results obtained from the work on a concept of a recycling process for NdFeB magnets to recover rare earth elements for remanufacturing similar magnets are presented. This paper investigates the viability of extracting rare earth metals from magnet recycling-derived oxide (MRDO) by means of molten salt electrolysis. The MRDO was produced from spent NdFeB magnets through oxidation in air and su
Electrochemical recovery of lithium-ion battery materials from molten salts by microstructural characterization using X-ray imaging
Mateen Mirza, Wenjia Du
This study investigates the electrochemical recovery of cobalt metal from lithium cobalt oxide (LiCoO2) using molten salt, specifically a LiCl-KCl eutectic, as a greener solvent for extraction. The primary objective was to enhance the mechanistic understanding of this recovery process, which is crucial for optimizing the technology for sustainable recycling of lithium-ion batteries (LiBs). Utilizi
Techno-economic and life cycle assessment of aluminum electrorefining from mixed scraps using ionic liquid
Birendra Adhikari, Tedd E Lister
Aluminum production from bauxite ore uses significantly high amounts of energy and capital expenditure. Recycle and reuse of aluminum can be economical and minimize the environmental impacts. Smelter-based recycling of aluminum is currently utilized; however, it also consumes high energy and incurs substantial production costs along with considerable life cycle impacts. In this study, aluminum ele
Study on the Synergistic Extraction of Lithium from Spent Lithium Cobalt Oxide Batteries by Molten Salt Electrolysis and Two-Step Precipitation Method
Hui Li, Haotian Li
With the continuous development of society, the number of spent lithium-ion batteries has also increased, and the recovery of valuable metals such as Ni, Co, and Li has become the main research direction of many scholars. In this paper, the extraction process of lithium that enters the molten salt after LiCoO2 electrolysis is studied. Oxalic acid and phosphate are added to molten salt containing l
The Study of Carbon Recovery from Electrolysis Aluminum Carbon Dust by Froth Flotation
Hesong Li, Jiaoru Wang
A large amount of carbon dust is generated in the process of aluminum smelting by molten salt electrolysis. The carbon dust is solid hazardous waste but contains a large quantity of recyclable components such as carbon and fluoride. How to recycle carbon dust more effectively is a challenge in the aluminum electrolysis field. In this study, X-ray diffraction, scanning electron microscope, and othe
2021 Hui Li Electrochemical Mechanism of Recovery of Nickel Metal from Waste Lithium Ion Batteries by Molten Salt Ele ma14226875
Hui Li, Yutian Fu
With the widespread use of lithium-ion batteries, the cumulative amount of used lithium-ion batteries is also increasing year by year. Since waste lithium-ion batteries contain a large amount of valuable metals, the recovery of valuable metals has become one of the current research hotspots. The research uses electrometallurgical technology, and the main methods used are cyclic voltammetry, square
An Ex-ante LCA Study of Rare Earth Extraction from NdFeB Magnet Scrap Using Molten Salt Electrolysis
Rita Schulze, Aida Abbasalizadeh
A new recycling process for the extraction of rare earths from neodymium–iron–boron (NdFeB) magnet scrap is being developed, based on the direct extraction of rare earths from end-of-life magnet material in a molten fluoride electrolysis bath. Rare earths are required in their metallic form for the production of new NdFeB magnets, and the suggested process achieves this through a single step. The
Electrochemical Recovery of Rare Earth Elements from Magnets: Conversion of Rare Earth Based Metals into Rare Earth Fluorides in Molten Salts
Aida Abbasalizadeh, Annelies Malfliet
In the present work, the selective extraction of rare earth (RE) metals from NdFeB magnets is investigated by studying the effects of various fluxes, namely AlF3, ZnF2, FeF3, and Na3AlF6 in the LiF-NdFeB system. The objective is to convert RE from RE magnets into fluoride salt melt. Results demonstrate the complete selective separation of neodymium and dysprosium from the magnets while keeping iro
A Review of Circular Economy Prospects for Stainless Steelmaking Slags
Lauri Holappa, Marko Kekkonen
The production of stainless steel reached 52 Mt in 2019, with an estimated annual slag generation of 15–17 Mt from various processes including electric furnaces and AOD converters. Despite their potential, only a small fraction of these slags are recycled, while the majority are disposed of in landfills, which poses environmental concerns due to the presence of high-value elements such as Cr, Ni,
Effects of Slag Composition on Phosphorus Segregation to Dicalcium Silicate‑Tricalcium Phosphate Solid Solution for Recycling of Basic Oxygen Steelmaking Slags
Raymond J. Longbottom, Oluwatosin A. Aladejebi
The potential for recycling basic oxygen steelmaking (BOS) slag into a P-rich stream for use as a fertilizer and a Fe-rich stream for on-plant recycling was investigated by studying the segregation of P between dicalcium silicate (C2S)-tricalcium phosphate (C3P) precipitates and the surrounding liquid. Samples of synthetic and industrial BOS slags were put through a homogenization stage at 1600 °C
Bismuth Extraction and Refining in the Critical-Minerals Era: A Critical Review from Primary Ores to Circular Secondary Resources
Subash Chandra Bose Rapaka, Rajesh Kumar Sivasankaran Nair
Bismuth is a low-toxicity minor metal whose supply chain depends overwhelmingly on by-product recovery from lead, copper, tin, and tungsten refining, increasingly supplemented by secondary sources including anode slimes, electronic waste, and end-of-life Bi2Te3 thermoelectric modules. Recent Chinese export restrictions, together with a geographically concentrated supply base exceeding 80% of world
TP DE TECHNOLOGIE DE BATTZRIZ MOD 2
NUMBI WA TEKA, THEODORE
La technologie des batteries lithium-ion repose sur le principe d'intercalation et de désintercalation des ions lithium dans des structures cristallines. Cet article vise à expliquer le fonctionnement des batteries lithium-ion, en comparant leur mécanisme de charge et de décharge avec celui des batteries au lithium métal, ainsi que d'analyser les fonctions des composants d'une cellule Li-ion et le
TP DE TECHNOLOGIE DE BATTERIE
Ngoie Mpanga Weva Henry
Les batteries lithium-ion sont essentielles dans de nombreuses applications modernes en raison de leur haute densité énergétique et de leur faible taux de décharge. L'objectif de cet travail est d'analyser le principe de fonctionnement de ces batteries, en mettant l'accent sur le mécanisme d'intercalation des ions lithium (Li+) au sein des électrodes. La méthodologie inclut une étude des processus
TP DE COMPREHENSION sujet
MPOYO SENGA BENJAMIN
Les batteries plomb-acide sont essentielles dans divers domaines en raison de leur faible coût et de leur fiabilité. Cet article examine leur fonctionnement, notamment les réactions électrochimiques entre le plomb, le dioxyde de plomb et l'acide sulfurique lors de la décharge. L'objectif est d'analyser la dynamique de la décharge, l'impact sur la concentration de l'acide sulfurique, et les raisons
technologie de batteries module2
KYUNGU MALUNDA PALMIRA
Ce document traite des procédures de diagnostic, de dépannage et de maintenance des packs batteries, en mettant l'accent sur la sécurité et l'efficacité. L'objectif principal est de fournir un protocole d'intervention clair et concis pour garantir une manipulation sécurisée des batteries. La méthodologie adoptée consiste en une série d'étapes régissant l'isolation électrique, la protection de l'ut
solutions batteries
kasongo mulumbwa nathan
Ce document explore les questions de compréhension liées au stockage électrochimique des batteries, en particulier celles utilisant des alliages hydrures métalliques par rapport aux technologies Ni-Cd et Li-ion. L'objectif est de comparer les matériaux utilisés dans les électrodes négatives de ces systèmes de batteries, en considérant à la fois les impacts environnementaux et les avantages technol
Réponses aux questions de compréhension Module 2 (1)
YAV, KABWIT
Ce document examine le rôle des composants principaux des batteries nickel-cadmium (Ni-Cd) pendant leur décharge, en mettant l'accent sur l'électrode positive (NiOOH), l'électrode négative (Cd) et l'électrolyte (KOH). L'objectif est de comprendre comment chaque élément contribue à la production d'électricité et pourquoi un électrolyte alcalin comme le KOH est efficace pour le transport ionique san
NSENGA MULENDA PLAMEDIE Bac 2 Met
G A M U L E N D A P L A M E D I E
Ce document aborde les batteries nickel-cadmium (Ni-Cd) en expliquant le rôle des électrodes et de l'électrolyte durant le processus de charge. L'objectif est de décrire les réactions électrochimiques qui se produisent aux électrodes positive (NiOOH) et négative (Cd) lors de la conversion d'énergie chimique en énergie électrique. La méthodologie inclut une analyse des réactions de réduction et d'o
Nom technologie de batteries
KASONGO MWEMA Salem, ROGER RUMBU
Ce document présente un travail pratique sur la technologie des batteries lithium-ion, en examinant leur fonctionnement, les risques associés, et les méthodes de recyclage. L'objectif est de fournir une compréhension approfondie des mécanismes d'intercalation des ions lithium, ainsi que des composants critiques tels que l'anode, la cathode, et l'électrolyte, tout en détaillant leurs risques respec
NKULU KALALA JEAN
NKULU KALALA JEAN-LUC
This document discusses the roles of the positive electrode NiOOH, the negative electrode Cd, and the electrolyte KOH during the discharge of a Ni-Cd cell. The objective is to illustrate the electrochemical reactions taking place and the significance of each component in ensuring efficient energy conversion and storage. The methodology includes an in-depth analysis of the discharge reactions, high
MWENZE KABREL ARAFAT BAC 2 MET TECHNO BATT 2
MWENZE KABREL Arafat, C.T RUMBU KAYIMBU
La batterie plomb-acide est l’une des technologies de stockage électrochimique les plus anciennes, mais aussi l’une des plus utilisées dans l’industrie, notamment pour le démarrage automobile, les alimentations de secours et les systèmes solaires. L’objectif de cette étude est d’analyser le fonctionnement et les implications de la réaction chimique au sein de ces batteries. La méthodologie compren
MWILENU MAKUMA MARC BAC 2 Métallurgie TB
E. Numakumar, C. Jeudile
La métallurgie des batteries nickel-cadmium (Ni-Cd) est essentielle pour le stockage et la gestion de l'énergie électrique. Cet article vise à décrire le fonctionnement des électrodes positivas (NiOOH) et négatives (Cd) ainsi que le rôle de l'électrolyte alcalin (KOH) dans les réactions de charge des cellules Ni-Cd. Une approche méthodologique a été adoptée pour expliquer les processus d'oxydorédu
MUSUYA KAYEMBE EURO TP DE Technologie Batteries NiCd. BAC 2 Chimie industrielle
MUSUYA KAYEMBE EURO
Les batteries nickel-cadmium (Ni-Cd) jouent un rôle crucial dans les applications électroportatives, où leur performance dépend de la dynamique des réactions aux électrodes. L'objectif de cette étude est d'analyser le fonctionnement de la cellule Ni-Cd pendant la décharge et d'expliquer l'effet mémoire observé lors de cycles de charge répétés. La méthodologie comprend une description des réactions
LOMINGO KAVULA HAGGITH 7
LOMINGO KAVULA HAGGITH
Cet article examine les impacts environnementaux du cycle de vie des batteries, en adoptant une approche Cradle-to-Grave et Cradle-to-Cradle. L'objectif est d'évaluer les effets écologiques à chaque étape du cycle de vie, y compris l'extraction des ressources, la fabrication, l'usage et la fin de vie. La méthodologie repose sur une revue des pratiques industrielles et des impacts environnementaux
KAYULA BANGULA LORACK TP
KAYULA BANGULA Lorack
Les batteries nickel-cadmium (Ni-Cd) sont connues pour leur utilisation dans divers domaines en raison de leur capacité à supporter des conditions extrêmes. Cet article vise à examiner les principes électrochimiques sous-jacents au fonctionnement des batteries Ni-Cd, y compris les rôles de l'électrode positive (NiOOH), de l'électrode négative (Cd) et de l'électrolyte (KOH) pendant la décharge. À t
KALAU ITOND MÉCHACK BAC 2 MET TECHNO BATT 2
KALAU ITOND, C.T RUMBU KAYIMBU
La batterie plomb-acide est l'une des technologies de stockage électrochimique les plus anciennes, utilisée dans de nombreuses applications industrielles. L'objectif de cette étude est de présenter le fonctionnement de la batterie plomb-acide, en se concentrant sur sa réaction de décharge et sur les pratiques de maintenance et de sécurité à adopter. La méthodologie comprend l'examen de la réaction