NMC/Gr+SiOx Lithium-Ion Pouch Cell 35Ah 310Wh/kg ATOMFAIR®

$145.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

Commercial-grade NMC/Gr+SiOx lithium-ion pouch cell, 35.0 Ah at 3.6 V, ≥310 Wh/kg, ≤1.6 mΩ IR, -20°C to +60°C discharge. Order now.

Description

310 Wh/kg High Energy Density Lithium-Ion Pouch Cell | ATOMFAIR

COMMERCIAL GRADE · PRODUCTION

Product Overview

Engineered for demanding energy storage applications, this premium pouch cell utilizes an advanced NMC / Gr + SiOx chemistry matrix to deliver 310 Wh/kg gravimetric energy density. Designed for production-level consistency and reliable performance, it serves as a high-performance power source for electric vehicles, advanced portable electronics, and stationary storage systems. Achieve proven ≥500 cycle life with superior transfer kinetics, low internal resistance (≤1.6 mΩ), and wide temperature tolerance from -20°C to +60°C.

Technical Specifications

PARAMETER VALUE
1. Core Device & Electrochemical Design
Cell Format Pouch Cell
Cell Chemistry NMC / Gr + SiOx (Nickel Manganese Cobalt / Graphite + Silicon Oxide)
Rated Capacity / Rated Voltage 35.0 Ah / 3.6 V (@ 0.2C)
Voltage Range 4.25 V – 2.50 V
AC Resistance (mΩ) ≤ 1.6 mΩ (@ 50% SOC)
2. Cathode & Charge Parameters
Standard Charge Current 0.5 C
Max. Continuous Charge 2.0 C
Charge Temperature Range 0°C ~ +45°C
3. Anode & Discharge Parameters
Standard Discharge Current 0.5 C
Max. Continuous Discharge 3.0 C
Pulse Discharge Current (30s) 5.0 C (≥ 30% SOC)
Discharge Temperature Range -20°C ~ +60°C
4. Physical Package & Energy Metrics
Estimated Dimension 10.5 × 87 × 187 mm (T × W × L)
Estimated Weight 398 g
Gravimetric Energy Density ≥ 310 Wh/kg (@ 0.2C)
Volumetric Energy Density ≥ 700 Wh/L (@ 0.2C)
Cycle Life @25°C ≥ 500 cycles (0.5C/0.5C)

Key Features & Advantages

  • High-Energy Architecture: 310 Wh/kg gravimetric & 700 Wh/L volumetric density with NMC/Gr+SiOx chemistry.
  • Superior Rate Capability: Supports 3.0C continuous discharge and 5.0C pulse (30s) with ≤1.6mΩ internal resistance.
  • Wide Temperature Range: Reliable discharge from -20°C to +60°C; charge from 0°C to 45°C.
  • Extended Cycle Life: ≥500 cycles at 0.5C/0.5C under 25°C with coulombic efficiency >99.5%.
  • Production Traceability: Full test reports for capacity, IR, thickness, and OCV per cell.
APPLICATION SCOPE: Electric vehicle main power arrays, advanced commercial robotics, portable high-density digital communication devices, high-end marine actuators, and specialized localized backup energy storage blocks.
OPERATIONAL COMPLIANCE NOTICE: High-density composite pouch cells are highly vulnerable to internal volume expansion shifts, localized overcharge potentials, and mechanical stress damage. Keep cells stored within their original environmental isolation wrappers until final system integration steps. Secure cell strings within dry, ventilated storage spaces maintained between a constant 15 °C – 30 °C thermal envelope. Never disassemble the pouch structure or expose terminals to open flame. Map active matrices exclusively to multi-channel management cards configured with integrated overcurrent and sub-zero charge cutoff relays.
TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: INQUIRY@ATOMFAIR.COM
MANUFACTURER: ATOMFAIR LLC
BRAND: ATOMFAIR®

This pouch cell requires strict environmental and electrical management to prevent thermal runaway and mechanical failure. Storage must be within 15 °C to 30 °C in a dry, ventilated enclosure with original packaging until use.

  • Thermal Storage Range: Store the cell between 15 °C and 30 °C in a dry, ventilated space to prevent degradation and swelling.
  • Original Packaging Requirement: Keep the cell inside its original environmental isolation wrapper until final system integration to avoid moisture ingress.
  • Prohibited Actions: Never disassemble the pouch structure or expose terminals to open flame to prevent fire or electrolyte release.
  • Electrical Management Mandate: Connect the cell exclusively to a multi-channel battery management system with overcurrent and sub-zero charge cutoff protection.
  • Mechanical Stress Warning: Avoid mechanical stress and internal volume expansion by securing the cell with appropriate compression fixtures.

Follow these steps to safely handle, store, and initialize the high-energy pouch cell for integration. Proper procedure minimizes risk of damage or thermal events.

Required Equipment: Multi-channel battery management system (BMS) with overcurrent cutoff, Dry, ventilated storage cabinet (15 °C–30 °C), Insulated gloves and non-conductive work surface

  1. Inspect Cell
    Inspect the pouch cell for any visible dents, punctures, or swelling before removing the packaging.
  2. Store Properly
    Transfer the cell to a dry, ventilated storage cabinet maintained at 15 °C to 30 °C if not immediately used.
  3. Connect BMS
    Connect the cell terminals to a multi-channel battery management system configured with overcurrent and sub-zero charge protection.
  4. Charge Safely
    Set the charge current to 0.5 C and verify ambient temperature is between 0 °C and 45 °C before initiating charging.
  5. Mechanical Fixation
    Apply a controlled mechanical constraint to the cell stack to accommodate volume expansion during cycling.

What performance trade-off exists between the 310 Wh/kg energy density and the cycle life for this NMC/Gr+SiOx pouch cell?

The cell achieves 310 Wh/kg with a cycle life of ≥500 cycles at 0.5C/0.5C under 25°C, representing a practical balance for high-energy applications. While higher energy density often reduces cycle life, this cell retains coulombic efficiency >99.5% under standard conditions. Discharge at the maximum 3.0C continuous or 5.0C pulse (30s) may shorten cycle life relative to the rated 0.5C standard.

What BMS or protection circuit specifications are required for integrating this high-energy pouch cell into a battery pack?

The operational compliance notice mandates use of multi-channel management cards with integrated overcurrent and sub-zero charge cutoff relays. The charge temperature range is 0°C to 45°C and discharge range is -20°C to 60°C, with a voltage window of 4.25V to 2.50V. Given the cell's vulnerability to volume expansion and overcharge potentials, the BMS must also provide individual cell balancing and strict voltage monitoring.

What are the recommended storage and handling precautions for this 310 Wh/kg pouch cell to ensure operational safety?

Store cells in their original environmental isolation wrappers in a dry, ventilated space held between 15°C and 30°C. Never disassemble the pouch or expose terminals to open flame. During system integration, use a BMS with overcurrent and sub-zero charge cutoff, and physically protect the cell from mechanical stress due to its susceptibility to internal volume expansion.

This 310 Wh/kg NMC/Gr+SiOx pouch cell delivers industry-leading gravimetric energy density with ≥500 cycle life and 3.0C continuous discharge, but requires careful handling due to sensitivity to mechanical stress and strict storage conditions.

Positive

  • High gravimetric and volumetric density: Achieves ≥310 Wh/kg and ≥700 Wh/L at 0.2C using NMC/Gr+SiOx chemistry, enabling compact high-capacity energy storage for demanding applications.
  • Superior rate capability and low resistance: Supports 3.0C continuous and 5.0C pulse discharge with ≤1.6 mΩ internal resistance, ensuring efficient power delivery and reduced heat generation.

Trade-offs

  • Mechanical and expansion sensitivity: Pouch cell vulnerable to internal volume expansion shifts, overcharge potentials, and mechanical stress; must remain in original wrapper until system integration.
  • Restricted storage and charge conditions: Requires storage in dry, ventilated spaces at 15-30°C; charge prohibited below 0°C, limiting operational flexibility in cold environments.

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 excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).

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