Sol–gel synthesis of manganese oxide supercapacitor from manganese recycled from spent Zn–MnO2 batteries using organic acid as a leaching agent

Dixini, Pedro Vitor Morbach; Carvalho, Bento; Gonçalves, Gustavo R.; Pegoretti, V.C.B.; Freitas, M.B.J.G.

doi:10.1007/s11581-019-02995-6

Cited by 25 publications

(9 citation statements)

References 38 publications

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“…22–24 Consequently, many novel processes and materials are claimed as more sustainable, but, as selected examples demonstrate, often without scientific verification. 25–34 For instance, wet chemistry processes are considered advantageous compared to solid state processes due to the lower processing temperature in a recent study. 35 Data ensued proof for this sustainability statement is lacking, e.g.…”

Section: Introductionmentioning

confidence: 99%

“…89 Elemental separation steps can become unnecessary if materials are designed for closed-loop circularity with processes for waste recovery and recycling techniques in place. 71 The first processes for chemical recycling of metal-containing functional materials have been published 25,77,78,90–93 with a sole focus on the scientific evaluation of the process functionality. These processes involve reactive transformations or the production of primary-like precursors by the dissolution of the waste material.…”

Section: Introductionmentioning

confidence: 99%

“…These processes involve reactive transformations or the production of primary-like precursors by the dissolution of the waste material. A sol–gel-based recycling method was developed by Dixini et al 25 for recycling Zn–Mn–O 2 battery cathodes. After extraction of metal ions by leaching, the gelation process was started by adding citric acid and controlling pH.…”

Section: Introductionmentioning

confidence: 99%

“…A mixture of MnO 2 , Mn 3 O 4 , and ZnMn 2 O 4 was synthesised as pseudocapacitor material. 25 A comparable strategy of leaching and regelation was applied to battery anode material in a recent study. 94 Leaching temperatures of 850 °C, 1100 °C, and 1200 °C were used.…”

Section: Introductionmentioning

confidence: 99%

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“…2. [27,[43][44][45][46][47][48][49][50][51][52][53][54]. Being 2D in nature, thin film MBs and MSCs have the advantage of higher power capacity, as the thin layers of material allows energy to be released quickly.…”

Section: )mentioning

confidence: 99%

Investigations into femtosecond laser hybrid manufacturing for 3D power sources

Tham¹

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Tan-Ong Pek Loon and Ms. Tan-Ho Ser Luan, for their untiring technical support throughout my research project.I would like to thank my friends, especially Catherine Cai and Nicholas Foo, and family, Mum, Dad, Sis, Guojie, my niece and nephew and my in-laws, many of whom are also the same people acknowledged above. They are the ones who have always provided a welcoming environment to return to and to rest, and who were always supportive of my ambitions. They are the bedrock on which my experiences are built upon. My parents, sister and her family are an especially large part of this equation, always being there when I need the support.My best friend, Sheena Lee deserves a mention and much appreciation all on her own, for her company, working endless late nights with me. She was and is always there to lend an encouraging smile, or a deep hug, to keep me going, and her infectious enthusiasm is always welcome through particularly tough times.To my wife and partner-in-crime, Yvonne Yap. She is to blame for leading me on this path of research, for inspiring in me my thirst for knowledge through every single day I'm with her. Despite all of the challenges we have faced, accommodating each other's needs and being there for each other, Yvonne has always found the time and space to be kind, gracious and understanding. She is the reason I am who I am today, and I will be forever grateful to her for that. And as much as she supports me, her own intense quest for knowledge constantly amazes and inspires me to do more. Yvonne is at once both an inspiration in my research, as much as the safe harbour I return to.Last, but certainly not least, to those who I have not specifically mentioned here: thank you, in all the ways you have helped me in this journey. You are not forgotten.

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Electrodeposition mode effects on the electrochemical performance of MnO2–NiO eco-friendly material for supercapacitor electrode application

Sayah,

Boumaza,

Habelhames

et al. 2024

J Mater Sci: Mater Electron

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Sol–gel synthesis of manganese oxide supercapacitor from manganese recycled from spent Zn–MnO2 batteries using organic acid as a leaching agent

Cited by 25 publications

References 38 publications

Recycling process development with integrated life cycle assessment – a case study on oxygen transport membrane material

Recycling process development with integrated life cycle assessment – a case study on oxygen transport membrane material

Investigations into femtosecond laser hybrid manufacturing for 3D power sources

Electrodeposition mode effects on the electrochemical performance of MnO2–NiO eco-friendly material for supercapacitor electrode application

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