Dry Anode-Free Pouch Cells with LMFP + Cu/C for Lithium-Ion Battery, 1 Ah/pcs/pack, CLIBAFDPCLMFPCuC
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Integrating dry electrode manufacturing with anode-free pouch cell architecture using an LiMn0.6Fe0.2PO4 (LMFP) cathode and a Cu/C (carbon-coated copper) current collector represents a cutting-edge approach to maximizing both volumetric and gravimetric energy density in lithium-ion batteries.
The cell architecture & features are summarized here: (1) Zero-Excess Negative Electrode: The negative side starts as a bare Cu/C current collector. During the first charge cycle, lithium ions extracted from the high-voltage (~ 4.1 V) LMFP cathode migrate through the separator and electroplate directly onto the carbon-coated copper surface. (2) Maximizing Volumetric Efficiency: Removing the bulk anode active material and copper foil thickness slims down the cell stack, dramatically boosting both volumetric (Wh/L) and gravimetric (Wh/kg) energy density compared to conventional design.
| Part Number |
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| Cell General Parameters |
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| LFP Cathode |
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| Cu Anode |
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| Separator |
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| Recommended Electrolyte Amount |
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| Test Voltage Range |
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| Punched Airbag Design |
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Testing Processes:
(1) Electrolyte Filling with recommended amount in glovebox.
(2) First Time Aging: 45°C, aging time ≥ 15h in an oven.
(3) Formation conditions: 45°C, 5 min rest; 0.02C constant current charging (10% theoretical capacity or 5 h); 0.1C constant current charging (30% theoretical capacity, 3 h); 5 min rest; total capacity is 40% or 8 h;
(4) Second Time Aging: 45°C, aging time ≥ 24h in a oven
(5) Battery Analyzer for charging and discharging.
References:
- K. Leslie, et al. Reducing the Rate of Mn Dissolution in LiMn0.8Fe0.2PO4/Graphite Cells with Mixed Salt and Low Salt Molarity Electrolytes, J. Electrochem. Soc., 2025, 172 040515
- C. (Michael) Chak, et al. Unraveling interphase-driven failure pathways in LiMn0.6Fe0.4PO4/graphite pouch cells, EES Batteries (2026) 2 (2): 639–651.
