Giyani Metals Corp (TSX-V:EMM, OTC:CATPF, FRA:KT9) said its high-purity manganese oxide has passed interim Phase 2 testing by US battery technology company C4V, advancing the company's K.Hill manganese project in Botswana.
C4V assembled multiple single-layer pouch cells using manganese oxide produced at Giyani's demonstration plant in Johannesburg, South Africa.
Interim results showed electrode density comparable to baseline electrodes, consistent rate and cycling stability across a range of charge rates, and capacity retention in line with baseline cells during long cycling.
Phase 2 testing is ongoing, with full completion expected within 60 days once cells reach 80% retained capacity. Phase 3, which involves multi-layer pouch cell testing, is expected to follow and take approximately six months.
"Building on the success of Phase 1, the interim results from Phase 2 of C4V's Qualification Program look promising with, HPMO samples produced from our Demo Plant successfully meeting the necessary quality assurance requirements set by C4V," said Nigel Robinson, interim executive chair of Giyani. “This is another step forward to securing independent third-party validation of the quality of our manganese product and we look forward to the completion of Phase 2 once the cells have reached 80% capacity retention.”
Baasit Ali, vice president of supply chain at C4V, said Giyani's product is showing promising performance and aligns well with the company's material and electrochemical standards.
Giyani said its demonstration plant has enabled the company to develop a process flowsheet capable of producing two battery-grade manganese products — high-purity manganese sulphate monohydrate and high-purity manganese oxide — allowing it to supply a broader range of future battery chemistries. Both products have been shipped to multiple potential offtake partners for testing.
The company's definitive feasibility study for the K.Hill project remains on track for release this quarter.
Giyani also noted it received a letter of intent in June 2025 from the Export-Import Bank of the United States for up to US$225 million in financing to support project construction.
Shares of Giyani jumped on the update, adding more than 10% in early trade on Tuesday.