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Meeting Materials Science & Technology 2020
Symposium 12th International Symposium on Green and Sustainable Technologies for Materials Manufacturing and Processing
Presentation Title Green Process for Recycling of Nickel Hydroxide from End of Life Batteries into Films and Membranes
Author(s) Allen Apblett, Dewan Russel Rahman, Audrey Vecoven
On-Site Speaker (Planned) Allen Apblett
Abstract Scope Nickel hydroxides have numerous applications including their use as battery electrodes. It has been found that nickel hydroxide is readily recovered from used nickel metal hydride (NIMH) batteries by extraction as a solution of hexamminenickel(II) hydroxide, [Ni(NH3)6](OH)2. If ammonia is allowed to evaporate from the solution, the dissolution process is reversed and crystalline films of beta-Ni(OH)2 are deposited that consist of closely-packed micron-sized clumps of thin plates. Such films are useful in their own right but can also be converted to nickel oxide by calcination with the advantage that the absence of thermally-stable anions (e.g. chloride, nitrate, or sulfate) allow complete conversion to occur at relatively low temperature. Thus, this solution growth process provides a green method for preparation of both beta-Ni(OH)2 and nickel oxide films. Addition of sodium aluminate to the solution makes it possible to also prepare alpha-nickel hydroxide.
Proceedings Inclusion? Planned: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Sustainable and Energy-efficient Electrochemical Technology for Dewatering of Cellulosic Nanomaterials
Amino Acid-based Single Source Precursors for Bimetallic Molybdates
An Alternative Optimization Route for the Recovery of Stainless Steel Alloying Elements
Ceramics for the Circular Economy
Conditions for electrolytic reduction of titanium from binary mixed-oxide melt
Development of a Separation Process of NBR/HNBR Rubber from Metal Substrate
Effects of Transition Metals and External Field on The Evolution of Polymer-Derived Si-O-C Ceramics
Green Process for Recycling of Nickel Hydroxide from End of Life Batteries into Films and Membranes
Introductory Comments: 12th International Symposium on Green and Sustainable Technologies for Materials Manufacturing and Processing
Manganese Dioxide Compounds for Carbon Capture and Storage
Microwave-assisted Pretreatment of Coal Fly Ash for Enhanced Recovery of Rare-Earth Elements
Microwave-assisted Synthesis of Lanthanide-based Nano- and Microscale Materials
On the Design of Porous Materials by Using Agriculture Based Precursors
Pressureless and Spark Plasma Sintering of Lunar Soil Simulants
Processing and Mechanical Characterization of Continuous Natural Fiber Reinforced Composites
Solid State Single Crystal Growth of YAG by SPS Sintering
Studies on Electrolyte, Anode and Cathode for Developing Safe Sodium-ion Battery Technology
Thermal Insulators with Macroscopic and Microscopic Anisotropy Created by Gelation Freezing Method with Alumina Platelets and Nano-rods

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