1260110 Flat LiPo Battery Pack

Flat LiPo Battery Pack Structure Overview

Engineers construct the flat LiPo battery pack using a laminated pouch architecture formed around a stacked electrode core. First, they align multiple layers of cathode, anode, and separator sheets into a flat geometric layout, and they fix the structure using precision positioning tools. Meanwhile, they route current collector tabs toward designated exit points, and they ensure uniform spacing before transferring the assembly into a sealed enclosure. After that, technicians place the prepared core into an aluminum-plastic composite pouch and stabilize its geometry prior to electrolyte processing.

Material System and Electrode Composition

Manufacturers coat lithium metal oxide active materials onto aluminum foil to form the cathode layer, and they apply graphite-based slurry onto copper foil to construct the anode layer. In addition, they introduce a multilayer PP/PE separator film to maintain ionic pathways while blocking internal electrical contact. Furthermore, they prepare an organic carbonate electrolyte containing lithium hexafluorophosphate, and they control its purity to maintain consistent electrochemical behavior. Meanwhile, the pouch material combines polymer flexibility with aluminum barrier properties to reinforce structural containment.

Electrode Processing and Assembly Workflow

Technicians begin by mixing active powders, conductive agents, and binders into a uniform slurry, and they coat this mixture onto metallic foils using automated coating equipment. Subsequently, they dry the coated electrodes under controlled temperature zones to remove residual solvents. Then, they calender the electrode surfaces to regulate density and thickness uniformity. After that, they cut the electrodes into defined flat dimensions and stack them alternately with separators using alignment fixtures. Meanwhile, they weld tab connections through ultrasonic methods while maintaining low-resistance joints.

Formation Cycling and Compliance Standards

Engineers initiate controlled formation cycles to activate electrochemical interfaces and stabilize interphase layers within the cell. Then, they execute aging tests under regulated environmental conditions to observe voltage and impedance behavior. Finally, quality teams conduct dimensional checks, insulation resistance tests, and leakage verification. Throughout production, they follow IEC 62133 and UN38.3 standards, and they validate mechanical stability, electrical consistency, and transport safety compliance for flat LiPo battery pack manufacturing.

Product Features

1. 🛠️ Flexible Customization
   Supports adding wires, protection PCBs, terminal connectors, and other customization based on customer requirements
2. ⚡ High Power
   Max. 20C discharge rate available
3. ⏱️ Long Cycle Life
   Meets long-term product usage needs
4. 🛡️ High Safety
   Passed comprehensive safety tests
5. 🔋 True Rated Capacity
   Matches the product design capacity
6. ⚛️ Multi-Chemistry Options
   Covers LCO, NCM, NCA and LFP systems
7. 🧰 Multi-Protection Mechanism
   Built-in protection board with overcharge, overdischarge, overcurrent and short-circuit protection

Product Application Areas

This product is suitable for a variety of portable and powered electronic devices, with typical applications including:

• Personal Care & Health: Electric Toothbrushes, Beauty Devices, Fitness Trackers, Medical Devices

• Smart Digital & Audio: Headphones, Speakers, Nebulizers, Toys, Lights

• Financial Payment & Office: POS Machines, USB Tokens, Portable Printers