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Recycling of battery materials is a topic with room for improvements in the recycling of the materials present in current Li-ion and NiMH batteries. In this research, a recovery route for Ni as Tutton’s salts (M+2 M3+(SO4)2·xH2O) was investigated, of which Mohr’s salt ((NH4)2Fe(SO4)2*6H2O), a commonly utilized titration reagent, is an example. Similarly, both Ni and Co can form barely soluble compounds with NH4 + ions in an acidic sulfate media. The behavior of battery metal Ni was investigated as a function of NH4 + ion concentration, pH and temperature in single parameter variation experiments. Ni, along with Co, was obtained with ease at a low pH over other metals that could be considered impurities (e.g. Fe). However, the usage of NH4 + ions carries its own problems, e.g. in the subsequent downstream processes.
|Title of host publication||Ni-Co 2021|
|Subtitle of host publication||The 5th International Symposium on Nickel and Cobalt|
|Editors||Corby Anderson, Graeme Goodall, Sumedh Gostu, Dean Gregurek, Mari Lundström, Christina Meskers, Stuart Nicol, Esa Peuraniemi, Fiseha Tesfaye, Prabhat K. Tripathy, Shijie Wang, Yuanbo Zhang|
|Number of pages||9|
|Publication status||Published - 2021|
|MoE publication type||A4 Article in a conference publication|
|Event||International Symposium on Nickel and Cobalt - Virtual, Online|
Duration: 15 Mar 2021 → 18 Mar 2021
Conference number: 5
|Name||Minerals, Metals and Materials Series|
|Conference||International Symposium on Nickel and Cobalt|
|Period||15/03/2021 → 18/03/2021|
- Battery recycling
- Tutton’s salts
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- 1 Finished
Lundström, M., Chernyaev, A., Kalliomäki, T., Liu, F., Wilson, B., Khalid, M. K., Hu, F., Aromaa, J., Aromaa, R., Karppinen, A., Forde, G., Ke, P., Porvali, A., Palomäki, H., Partinen, J., Seisko, S., Ruismäki, R., Revitzer, H., Zhang, J., Zou, Y., Shukla, S., Rinne, M., Peng, C., Sahlman, M. & Wang, Z.
01/01/2019 → 30/04/2021
Project: Business Finland: Other research funding