Electrolytic manganese dioxide commodity commodity
Manufactured manganese dioxide products obtained by electrolysis. Tosoh identifies uses as positive-electrode material in alkaline primary batteries and as feed for lithium-manganate cathode materials, with application-specific representative product properties. USGS separately reports chemically and electrolytically produced synthetic manganese dioxide, supporting the process distinction. This commodity is distinct from manganese metal, the manganese element, natural manganese-dioxide ore or a particular mineral species, spent battery material, and a finished electrode. The manufacturer reports active oxygen expressed as manganese dioxide in one product table; this does not establish a universal crystalline-phase purity or grade threshold. The product family does not itself resolve the broader battery-grade manganese designation. No inherited criticality designation, unique crystal phase, or microbial production of qualified electrolytic manganese dioxide is asserted.
Sources & References
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tosoh-emd: Tosoh, Electrolytic Manganese Dioxide (Japanese product page): Features, Applications and representative properties for alkaline and lithium-secondary-battery applications; undated accessed version
https://www.tosoh.co.jp/product/functionality/electrolytic_manganese_dioxide.html (accessed 2026-10-11) -
usgs-2020: Emily K. Schnebele, USGS 2020 Minerals Yearbook: Manganese, advance release September 2024, printed pp. 47.1 and 47.6 Table 3; historical product/process context, not current market statistics
https://pubs.usgs.gov/myb/vol1/2020/myb1-2020-manga.pdf (accessed 2026-10-11)
Curation History
| Timestamp | Curator | Action | Summary |
|---|---|---|---|
2026-10-11T11:17:09.078802Z |
codex (GPT-6; codex) | CREATE | Created a producer- and USGS-grounded commodity identity with explicit process/product boundaries and unresolved grade limits; no inherited criticality or microbial mechanism. |
Record source: data/records/electrolytic-manganese-dioxide.yaml