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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 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., Porvali, A., Aromaa-Stubb, R., Aromaa, J., Wilson, B., Kalliomäki, T., Karppinen, A., Revitzer, H., Zhang, J., Chernyaev, A., Zou, Y., Hu, F., Ke, P., Liu, F., Rinne, M., Khalid, M. K., Palomäki, H., Partinen, J., Seisko, S., Peng, C., Sahlman, M., Wang, Z., Shukla, S., Forde, G. & Ruismäki, R.
01/01/2019 → 30/04/2021
Project: Business Finland: Other research funding