# GMG Provides G\(R\)CELLS to Potential Customers for Early Performance Testing Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/gmg-provides-g-r-cells-to-potential-customers-for-early-performance-testing--6f5a5b88-95ea-40ab-bf78-3f9e3ba52cf5 Original source: https://orestocks.com/company/GMG.V/press-releases/5966334404119924 Publisher: orestocks Original announcement: 2026-10-21T11:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-10-21T12:16:51.536Z Atlas analysis updated: 2026-10-21T12:16:51.536Z - Company: Graphene Manufacturing Group Ltd. - Ticker: GMG.V - Exchange: Unavailable - Region: Australia - Primary commodity: Lithium - Secondary commodities: None reported - Document categories: Metallurgy - Extracted: 2026-10-21 12:16:52 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary Graphene Manufacturing Group has begun distributing its G®CELLS battery pouch cells to potential customers in the defense and heavy equipment sectors for early-stage performance testing. The company highlighted recent laboratory results showing 94% energy efficiency and 1,000-cycle durability at a 6-minute charge rate. Reasoning: The company has moved from pure lab work to providing samples for external testing, a key milestone in technology readiness, though the technology remains pre-commercial. - Positive factor: Commencement of customer sampling program - Positive factor: High energy efficiency \(94%\) compared to LTO - Positive factor: Demonstrated cycle life \(1,000 cycles\) with no reduction - Positive factor: Strategic partnerships with Rio Tinto and BIC Indiana - Negative factor: Technology is still at BTRL 4 \(laboratory validation stage\) - Negative factor: Results are from laboratory settings and may differ in real-world use Facts used in scoring: 3 ## Classification and evidence **Bench Scale Only** Polarity: negative Definition: Only preliminary bench tests completed — no locked-cycle or pilot work. Why it applies: Technology is at BTRL 4, which is defined as demonstrated and validated in a laboratory environment. Evidence · text > The battery technology readiness level \("BTRL"\) of G®CELLS remains at Level 4. At BTRL 4, the cell technology has been demonstrated and validated in a laboratory environment **Single Domain Only** Polarity: negative Definition: Testing limited to one composite or domain — representativeness not established. Why it applies: only one composite was tested ## Extracted facts Stored fact records: 3. Some facts used in scoring do not have a stored record. ## Metallurgical Results (3) ### cycling [Link to this fact](https://atlas-staging.minestarters.com/news/gmg-provides-g-r-cells-to-potential-customers-for-early-performance-testing--6f5a5b88-95ea-40ab-bf78-3f9e3ba52cf5#fact-metallurgical-facts-0) graphene battery program · lithium Historical result Needs review: historical\_restatement #### Identity - Project: graphene battery program - Commodity: lithium - Region: australia - Reported Region: Australia - Ticker: GMG.V #### Test Work - Program Status: optimization - Test Type: cycling - Sample: G®CELLS \(1.5 Ah pouch format cells\) - 1,000 cycles performance #### Recovery - Recovery Basis: actual\_test #### Lab - Laboratory: BIC Indiana #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-10-08T00:00:00.000Z #### Dates - Event date: 2026-10-21T00:00:00.000Z Reasoning: Confirms durability at high charge rates \(7C\) as previously reported. - Positive factor: No performance reduction after 1,000 cycles Evidence · text > Cycled with no performance reduction after 1,000 cycles \(as at October 7, 2026\) while being charged and discharged in 6 minutes \(at 7C\) ### cycling [Link to this fact](https://atlas-staging.minestarters.com/news/gmg-provides-g-r-cells-to-potential-customers-for-early-performance-testing--6f5a5b88-95ea-40ab-bf78-3f9e3ba52cf5#fact-metallurgical-facts-1) graphene battery program · lithium Historical result Needs review: historical\_restatement #### Identity - Project: graphene battery program - Commodity: lithium - Region: australia - Reported Region: Australia - Ticker: GMG.V #### Test Work - Program Status: optimization - Test Type: cycling - Sample: G®CELLS \(1.5 Ah pouch format cells\) - energy density #### Recovery - Recovery Basis: actual\_test - Head Grade: 58 - Head Grade Unit: Wh/kg #### Lab - Laboratory: BIC Indiana #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-10-08T00:00:00.000Z #### Dates - Event date: 2026-10-21T00:00:00.000Z Reasoning: Significant improvement in energy density reported in recent lab data. - Positive factor: 48% increase in energy density over previous results Evidence · text > Achieved an energy density of 58 Wh/kg while being charged in 6 minutes \(at 10C\), a 48% increase over the previously reported 39 Wh/kg ### cycling [Link to this fact](https://atlas-staging.minestarters.com/news/gmg-provides-g-r-cells-to-potential-customers-for-early-performance-testing--6f5a5b88-95ea-40ab-bf78-3f9e3ba52cf5#fact-metallurgical-facts-2) graphene battery program · lithium Historical result Needs review: historical\_restatement #### Identity - Project: graphene battery program - Commodity: lithium - Region: australia - Reported Region: Australia - Ticker: GMG.V #### Test Work - Program Status: optimization - Test Type: cycling - Sample: G®CELLS \(1.5 Ah pouch format cells\) - energy efficiency #### Recovery - Recovery: 94 % - Recovery Basis: actual\_test #### Lab - Laboratory: BIC Indiana #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes - Historical Source Date: 2026-10-08T00:00:00.000Z #### Dates - Event date: 2026-10-21T00:00:00.000Z Reasoning: High energy efficiency demonstrated in laboratory setting. - Positive factor: 94% efficiency significantly outperforms LTO cells \(64%\) Evidence · text > Demonstrated 94% energy efficiency at high charge and discharge rates, compared with 64% for a tested Lithium Titanate Oxide \(LTO\) cell #### Tags used in scoring **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: 94% is at or above the exceptional band \(80%\) ## How Atlas produces this analysis Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.