Description
JLY-YF-B02 Electrolyte for Lithium Metal Pouch Cells (420Wh/kg Peak Specific Energy) | ATOMFAIR
Product Overview
The JLY-YF-B02 represents a breakthrough in electrolyte chemistry specifically engineered to overcome the cycle-life barriers of Lithium Metal Batteries (LMBs) and lithium alloy anode systems. Utilizing the proprietary B02 formulation in a high-performance 4*50*78mm pouch cell format, this series achieves an industry-leading specific energy of 400-420Wh/kg. Experimental data demonstrates that JLY-YF-B02 significantly outperforms standard industry competitors by effectively suppressing dendrite growth and stabilizing interfaces, maintaining exceptional capacity retention over 350 cycles. For bulk inquiries or official volume quotations, please contact us via email at inquiry@atomfair.com.
Technical Specifications
1. Common Cell Platform Parameters
| Specification | Parameter Value |
|---|---|
| Cell Format / Dimensions | Pouch Cell / 4 * 50 * 78 mm |
| Electrolyte Number | JLY-YF-B02 |
| Nominal Capacity / Voltage | 3 Ah / 3.8 V |
| Voltage Range | 3.0 V to 4.3 V |
| Storage Performance (K) | ≤ 0.06 (25°C/100%SoC) |
| Cont. Discharge Rate | 3 C |
| Operating Temp Range | Charge: 0~45°C | Discharge: -20~55°C |
2. Performance Version Comparison (Standard vs. Upgraded)
| Performance Metric | Standard Version (V. 400) | Upgraded Version (V. 420) |
|---|---|---|
| Specific Energy Density | ≥ 400 Wh/kg | ≥ 420 Wh/kg |
| Cycle Life (0.2C Chg / 1C Dis) | ≥ 250 Cycles | ≥ 350 Cycles |
| Capacity Retention Trend | Stable curve up to 250 cycles | Extended plateau up to 350 cycles |
Core Features & Advantages
Global Density Frontier
Achieving a record density of 420Wh/kg, providing the ultimate energy-to-weight solution for long-range aerospace and UAV platforms.
Elite Interfacial Stability
Proprietary B02 electrolyte suppresses lithium dendrite formation and maintains a robust SEI layer for extended 350+ cycle life.
Superior 3C Rate Delivery
Maintains a stable high-voltage discharge plateau even at 3C continuous rates, engineered for high-torque vertical takeoffs.
Application Scope
- High-Altitude Long-Endurance (HALE) UAVs
- Stratospheric Exploration Platforms
- Advanced Energy Storage & Research
- Ultra-Lightweight Specialized Aircraft
Accessories & Customization
Electrolyte Supply: JLY-YF-B02 is available in research-grade quantities for lab-scale Lithium Metal Battery (LMB) validation.
Pouch Cell Prototypes: Specialized 4*50*78mm cells pre-filled with B02 electrolyte can be supplied for flight testing and data verification.
Testing Data: Full 0.2C/1C cycle life raw data and 3C rate discharge curves are available for institutional researchers upon verified request.
This document lists the operational constraints required for safe and effective use of the JLY-YF-B02 lithium metal pouch cell. Adherence to these temperature, voltage, and current limits ensures stable performance and long cycle life.
- Charge Temperature Range: Charge the battery only when ambient temperature is between 0 and 45 degrees Celsius.
- Discharge Temperature Range: Discharge the battery only when ambient temperature is between -20 and 55 degrees Celsius.
- Voltage Range: Operate the battery within a voltage range of 3.0 to 4.3 volts.
- Discharge Current Limit: Limit continuous discharge current to a maximum of 3C.
- Storage Condition: Store the battery at 25 degrees Celsius and 100% state of charge to achieve a storage performance (K) of no more than 0.06.
What specific cycle life trade-off exists between the Standard V.400 and Upgraded V.420 versions of the JLY-YF-B02 electrolyte for lithium metal pouch cells?
The Upgraded V.420 version delivers a minimum of 350 cycles at 0.2C charge/1C discharge, compared to 250 cycles for the Standard V.400, while achieving a higher specific energy density of ≥420 Wh/kg versus ≥400 Wh/kg. This trade-off involves a more advanced B02 formulation that suppresses dendrite growth and stabilizes the SEI layer, enabling extended cycle life without sacrificing energy density.
Can the JLY-YF-B02 electrolyte be integrated into existing lithium metal battery designs for HALE UAVs without modifying the cell format?
Yes, the JLY-YF-B02 is supplied in a standard 4*50*78mm pouch cell format with a nominal capacity of 3 Ah and voltage range of 3.0 V to 4.3 V, making it directly compatible with existing UAV battery compartments designed for this form factor. However, integration requires verifying that the charge controller supports the 0-45°C charge temperature range and the 3C continuous discharge rate for optimal performance.
What are the storage and handling requirements for the JLY-YF-B02 lithium metal pouch cells to ensure safety and performance retention?
The cells must be stored at 25°C and 100% state of charge to maintain a storage performance metric (K) of ≤0.06, indicating minimal self-discharge. Handling requires adherence to standard lithium metal battery safety protocols due to the high specific energy density of up to 420 Wh/kg, and the operating temperature range for discharge is -20°C to 55°C, with charge restricted to 0-45°C.
The JLY-YF-B02 electrolyte system in a 4×50×78 mm pouch cell delivers a peak specific energy of 420 Wh/kg with 350+ cycles under 0.2C charge/1C discharge, positioning it as a strong candidate for high-altitude long-endurance UAVs. Its proprietary B02 chemistry suppresses dendrite growth and stabilizes the SEI, though the narrow charge temperature window (0–45°C) and cycle-life dependency on controlled rates limit operational flexibility.
Positive
- Global Density Frontier: Achieves a record specific energy of 420 Wh/kg, providing the ultimate energy-to-weight ratio for long-range aerospace and UAV platforms.
- Elite Interfacial Stability: Proprietary B02 electrolyte suppresses lithium dendrite formation and maintains a robust SEI layer, enabling extended cycle life of 350+ cycles.
Trade-offs
- Limited Charge Temperature Range: Charge operation is restricted to 0–45°C, which precludes cold-environment charging below freezing and may require thermal management infrastructure.
- Cycle Life at Specific Rates: The 350-cycle specification is validated only under 0.2C charge / 1C discharge conditions; performance under higher or pulsed rates may yield reduced cycle life.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).





