Eva Gerold
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View article: Bioleaching of Lithium-Ion Battery Black Mass: A Comparative Study on Gluconobacter oxydans and Acidithiobacillus thiooxidans
Bioleaching of Lithium-Ion Battery Black Mass: A Comparative Study on Gluconobacter oxydans and Acidithiobacillus thiooxidans Open
The growing demand for lithium-ion batteries (LIBs) requires efficient and sustainable recycling solutions. This study investigates bioleaching as an alternative to conventional hydrometallurgical methods, focusing on (i) organic acid-medi…
View article: Processing of Ukrainian Ilmenite-bearing Heavy Sands as a Contribution to Improving Europe’s Self-supply in Critical Raw Materials from Its Own Deposits
Processing of Ukrainian Ilmenite-bearing Heavy Sands as a Contribution to Improving Europe’s Self-supply in Critical Raw Materials from Its Own Deposits Open
The REPTiS project ( R esponsible E xtraction and P rocessing of Ti tanium and Other Primary Raw Materials for S ourcing EU Industrial Value Chains and Strategic Sectors) addresses the urgent need for a secure and sustainable supply of tit…
View article: Recovery of Cobalt, Nickel, and Lithium from Spent Lithium-Ion Batteries with Gluconic Acid Leaching Process: Kinetics Study
Recovery of Cobalt, Nickel, and Lithium from Spent Lithium-Ion Batteries with Gluconic Acid Leaching Process: Kinetics Study Open
The demand for lithium-ion batteries (LIBs) is driven by environmental concerns and market growth, particularly in the transportation sector. The EU’s push for net-zero emissions and the European Green Deal accentuates the role of battery …
View article: Advancements and Challenges in Photovoltaic Cell Recycling: A Comprehensive Review
Advancements and Challenges in Photovoltaic Cell Recycling: A Comprehensive Review Open
This review examines the complex landscape of photovoltaic (PV) module recycling and outlines the challenges hindering widespread adoption and efficiency. Technological complexities resulting from different module compositions, different r…
View article: Bio-metallurgical recovery of lithium, cobalt, and nickel from spent NMC lithium ion batteries: A comparative analysis of organic acid systems
Bio-metallurgical recovery of lithium, cobalt, and nickel from spent NMC lithium ion batteries: A comparative analysis of organic acid systems Open
With the increasing demand for lithium-ion batteries, key elements like lithium, graphite, cobalt, and nickel face heightened demand and classification as critical by the European Commission. This study investigates a bio-metallurgical app…
View article: Towards a sustainable approach using mineral or carboxylic acid to recover lithium from lithium iron phosphate batteries
Towards a sustainable approach using mineral or carboxylic acid to recover lithium from lithium iron phosphate batteries Open
Lithium‑iron phosphate (LFP) batteries are commonly used in electric vehicles and stationary energy storage systems due to their high energy density, long cycle life, and safety. Processing of LiFePO4 batteries is difficult due to the comp…
View article: Gluconic Acid Leaching of Spent Lithium-Ion Batteries as an Environmentally Friendly Approach to Achieve High Leaching Efficiencies in the Recycling of NMC Active Material
Gluconic Acid Leaching of Spent Lithium-Ion Batteries as an Environmentally Friendly Approach to Achieve High Leaching Efficiencies in the Recycling of NMC Active Material Open
Organic acids, such as gluconic acid, have been widely studied for their potential in the hydrometallurgical recycling of lithium-ion batteries. These organic alternative leachants offer several environmental and recycling-related benefits…
View article: Interrelationships between Pre-processing and Subsequent Procedures in the Recycling of Spent Lithium-ion Batteries
Interrelationships between Pre-processing and Subsequent Procedures in the Recycling of Spent Lithium-ion Batteries Open
The recycling of lithium-ion batteries (LIBs) is currently an important topic in the fields of research and industry. New developments for the recovery of valuable metals from spent LIBs show a clear trend towards hydrometallurgical concep…
View article: Numerical Analysis of Convective Mass Transfer during Multi-Droplet Impingement on a Structured Surface in the Presence of an Adhered Liquid Film—An Application to Spray Etching of PCBs
Numerical Analysis of Convective Mass Transfer during Multi-Droplet Impingement on a Structured Surface in the Presence of an Adhered Liquid Film—An Application to Spray Etching of PCBs Open
Multi-droplet impingement is a fundamental aspect inherent to all kinds of technical spray processes which typically aim at enhancing the convective exchange of reagents or heat at the impinged surface. In this paper, the impingement of mu…
View article: Evaluation of the Influence Exerted by Increased Silicon Contents on the Leaching Behavior of NMC-Based Black Mass
Evaluation of the Influence Exerted by Increased Silicon Contents on the Leaching Behavior of NMC-Based Black Mass Open
The further development of lithium-ion batteries leads to an improvement in power densities as well as safety and thus requires an optimization of the materials used. For this purpose, among other approaches, the anode materials are doped …
View article: Parameter Study on the Recycling of LFP Cathode Material Using Hydrometallurgical Methods
Parameter Study on the Recycling of LFP Cathode Material Using Hydrometallurgical Methods Open
The need to recover critical elements from lithium-ion batteries is undisputed. The further development of cathode materials and the move towards cheaper alternatives make it necessary to adapt the corresponding hydrometallurgical recyclin…
View article: Critical Evaluation of the Potential of Organic Acids for the Environmentally Friendly Recycling of Spent Lithium-Ion Batteries
Critical Evaluation of the Potential of Organic Acids for the Environmentally Friendly Recycling of Spent Lithium-Ion Batteries Open
The need to recover valuable metals from spent lithium-ion batteries (LIBs) is undisputed. However, the environment and the climate are also affected by emissions from the recycling processes. Therefore, the call for environmentally friend…
View article: Recycling chains for lithium-ion batteries: A critical examination of current challenges, opportunities and process dependencies
Recycling chains for lithium-ion batteries: A critical examination of current challenges, opportunities and process dependencies Open
Lithium-ion batteries (LIBs) show high energy densities and are therefore used in a wide range of applications: from portable electronics to stationary energy storage systems and traction batteries used for e-mobility. Considering the proj…
View article: Separation and Efficient Recovery of Lithium from Spent Lithium-Ion Batteries
Separation and Efficient Recovery of Lithium from Spent Lithium-Ion Batteries Open
The consumption of lithium has increased dramatically in recent years. This can be primarily attributed to its use in lithium-ion batteries for the operation of hybrid and electric vehicles. Due to its specific properties, lithium will als…
View article: Selective Precipitation of Metal Oxalates from Lithium Ion Battery Leach Solutions
Selective Precipitation of Metal Oxalates from Lithium Ion Battery Leach Solutions Open
The separation of cobalt and nickel from sulfatic leach liquors of spent lithium-ion batteries is described in this paper. In addition to the base metals (e.g., cobalt and nickel), components such as manganese and lithium are also present …