1260110 Flat LiPo Battery Pack

Flat LiPo Battery Pack Structure Overview

The flat LiPo battery pack is built by engineers in a laminated pouch architecture that is created around a stacked electrode core. To begin with, they assemble several sheets of cathode, anode, and separator into a flat geometrical arrangement, and they hold the structure together with the help of precision positioning tools. In the meantime, they direct current collector tabs to specific exit points, and they maintain a consistent spacing, and then transfer the assembly to an enclosed container. 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

To create the cathode layer, manufacturers apply lithium metal oxide active materials to aluminum foil, and to create the anode layer, they apply graphite-based slurry to copper foil. Moreover, they add a multilayer film of PP/PE separator to preserve ionic pathways without internal electrical contact. Moreover, they make an organic carbonate electrolyte, which includes lithium hexafluorophosphate, and they regulate its purity in order to achieve a stable electrochemical performance. In the meantime, the pouch material consists of polymer flexibility and aluminum barrier properties to strengthen structural containment.

Electrode Processing and Assembly Workflow

Technicians start by combining active powders, conductive agents, and binders into a homogeneous slurry, and spray this mixture onto metallic foils using automated coating devices. They then dry the coated electrodes in controlled temperature zones to eliminate the solvents. They then calender the electrode surfaces to control the uniformity of density and thickness. They then slice the electrodes to specified flat sizes and stack them alternately with separators with alignment fixtures. In the meantime, they connect tab joints using ultrasonic techniques and low-resistance joints.

Formation Cycling and Compliance Standards

To open electrochemical interfaces and stabilize interphase layers in the cell, engineers start controlled formation cycles. They then perform aging tests in controlled environmental conditions to monitor voltage and impedance behavior. Lastly, quality teams perform dimensional checks, insulation resistance tests, and leakage checks. They adhere to IEC 62133 and UN38.3 standards during production, and they confirm compliance with mechanical stability, electrical consistency, and compliance with transport safety in manufacturing flat LiPo battery packs.

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