Producer
EverZinc
Belgian zinc powder company (HQ Brussels, part of Recticel Group, then independent); operates 12 global production sites for specialty zinc powders. ZBM (Zinc Battery Material) product line for alkaline batteries produced since 1976; major global supplier to Energizer, Duracell, Panasonic Battery, and other alkaline battery makers. Battery zinc powder must be alloyed with trace indium or bismuth additives to suppress hydrogen gas evolution (gassing) — regular zinc powder cannot substitute. EverZinc's global footprint (Europe, North America, Asia) makes it the most geographically distributed battery zinc powder supplier.
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Battery-Grade Zinc Powder (ZBM)
55%Zinc Oxide
30%Specialty Zinc Powders & Alloys
15%
Intelligence
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Did you know2023
EverZinc's battery zinc powder requires trace indium as a gassing suppressor — creating an unexpected connection between alkaline battery supply chains and indium markets (which primarily serve LCD/OLED display manufacturing via ITO). Every alkaline AA battery contains approximately 300-500 ppm indium alloyed into the zinc powder anode. Global alkaline battery production is approximately 20 billion cells per year; at an estimated 0.01-0.05 grams indium per cell, total alkaline battery indium consumption is small (~200-1000 MT/year) but not trivial relative to total global indium production (~900-1000 MT/year). When China imposed germanium and gallium export controls in August 2023 and indium was flagged as a potential future restriction, battery zinc powder producers like EverZinc faced upstream supply risk for the trace indium alloying material — connecting a consumer alkaline battery supply chain disruption risk to the same critical mineral policy that affects smartphone display manufacturing. The same indium that makes touchscreens work (ITO) also makes your AA battery not leak.
EverZinc Group ↗Origin2023
EverZinc's ZBM (Zinc Battery Material) product line reveals an unnoticed technical dependency: alkaline battery zinc powder is not a commodity — it cannot be sourced from any zinc smelter. Pure zinc metal, when in contact with the alkaline KOH electrolyte inside a sealed battery cell, undergoes spontaneous oxidation that produces hydrogen gas. Hydrogen accumulation causes swelling, leakage, and battery failure. To suppress this 'gassing' reaction, EverZinc alloys the zinc powder with trace amounts of either indium (typically ~300-500 ppm) or bismuth (as a lead substitute after lead was removed from alkaline batteries in the 1990s). This alloying step requires controlled atomization processes and metallurgical precision not present in standard zinc smelting. The technical barrier means the global alkaline battery supply chain — supplying Duracell, Energizer, and Panasonic battery plants worldwide — depends on a handful of specialty zinc powder producers (EverZinc, GRILLO, Umicore) who can produce indium/bismuth-alloyed battery zinc to exacting particle size distributions and purity standards.
EverZinc Group ↗Concentration2023
[single-source] EverZinc is the world's most geographically distributed battery-grade zinc powder producer with 12 production sites globally — in Europe, North America, and Asia — making it uniquely positioned to serve alkaline battery assemblers near their manufacturing locations in each region. Despite 12 sites, EverZinc and Grillo together hold approximately 55% of global battery-grade zinc powder supply. There are no more than 6-8 companies worldwide capable of producing qualified battery-grade alloyed zinc powder to the specifications required by major alkaline battery brands (Duracell, Energizer, Panasonic Battery). This oligopoly exists because the qualification process for a new powder supplier requires extensive battery performance testing — months of cycle life, gassing, and shelf life validation — creating high switching costs.
EverZinc ↗