---
title: "Lithium-Ion Battery Electrode Coating Machine"
industry: "Manufacture of Batteries and Accumulators"
verification_protocol:
  urn: "URN:CNFX:ME:LITHIUM_ION_BATTERY_ELECTRODE_COATING_MACHINE"
  data_integrity_hash: "ce73c9e25a81b44816c8fc3f054feb65"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:LITHIUM_ION_BATTERY_ELECTRODE_COATING_MACHINE"
  data_source_uri: "https://cnfx.com/llms/industry/manufacture-batteries-accumulators/product/lithium-ion-battery-electrode-coating-machine.md"
  official_resource_url: "https://cnfx.com/industry/manufacture-batteries-accumulators/product/lithium-ion-battery-electrode-coating-machine"
  is_verified_logic: true
attributes:
  coating_speed:
    status: "config-dependent"
    typical_range: "0.1-1.5 MPa coating pressure, 20-80 μm wet coating thickness, 0.5-3.0 m/min line speed"
    unit: "m/min"
  coating_width:
    status: "config-dependent"
    typical_range: "0.1-1.5 MPa coating pressure, 20-80 μm wet coating thickness, 0.5-3.0 m/min line speed"
    unit: "mm"
  thickness_accuracy:
    status: "config-dependent"
    typical_range: "0.1-1.5 MPa coating pressure, 20-80 μm wet coating thickness, 0.5-3.0 m/min line speed"
    unit: "μm"
engineering_limits:
  max_safe_operating_point:
    value: 3000
    unit: "cP"
    consequence: "Non-Newtonian slurry rheology breakdown at shear rates above 1000 s⁻¹ causes phase separation; thermal expansion mismatch between stainless steel blade (17.3 μm/m·K) and ceramic coating roller (5.5 μm/m·K) creates &gt;50 μm gap variation at ΔT&gt;15°C"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Slurry solvent evaporation rate exceeds 0.15 g/m²·s at coating zone"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Closed-loop humidity control maintaining 45-55% RH with ±2% tolerance and infrared drying gradient of 2-5°C/cm"
  - node_2:
      trigger: "Doctor blade edge wear exceeding Ra 0.4 μm surface roughness"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Diamond-coated tungsten carbide blades (HV 2200) with laser interferometer wear monitoring triggering replacement at 15 μm material loss"
bom_nodes:
  slot-die-coating-head:
    type: "part"
    urn: "URN:CNFX:ME:SLOT_DIE_COATING_HEAD"
    interface_type: "physical-logic-coupled"
  precision-gap-adjustment-system:
    type: "part"
    urn: "URN:CNFX:ME:PRECISION_GAP_ADJUSTMENT_SYSTEM"
    interface_type: "physical-logic-coupled"
  web-tension-control-unit:
    type: "part"
    urn: "URN:CNFX:ME:WEB_TENSION_CONTROL_UNIT"
    interface_type: "physical-logic-coupled"
  slurry-supply-system:
    type: "part"
    urn: "URN:CNFX:ME:SLURRY_SUPPLY_SYSTEM"
    interface_type: "physical-logic-coupled"
  edge-guide-system:
    type: "part"
    urn: "URN:CNFX:ME:EDGE_GUIDE_SYSTEM"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING (MACHINERY DIRECTIVE 2006/42/EC)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/manufacture-batteries-accumulators/product/lithium-ion-battery-electrode-coating-machine.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "9ba9d15bd1d96cfe388bba6f4203da48ff39fef156e3f7265dde0e8370da1db5"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Lithium-Ion Battery Electrode Coating Machine

## 1. Technical Definition
Industrial machine for applying electrode slurry onto current collector foils in battery manufacturing.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-1.5 MPa coating pressure, 20-80 μm wet coating thickness, 0.5-3.0 m/min line speed**. Failure boundary: **Coating thickness uniformity exceeds ±3 μm tolerance, slurry viscosity drops below 3000 cP, or doctor blade gap exceeds 150 μm**, Mechanism: **Non-Newtonian slurry rheology breakdown at shear rates above 1000 s⁻¹ causes phase separation; thermal expansion mismatch between stainless steel blade (17.3 μm/m·K) and ceramic coating roller (5.5 μm/m·K) creates &gt;50 μm gap variation at ΔT&gt;15°C**.

### 2.1 Analytical Physics Model
Governed by the **LMTD Logarithmic Mean Temperature Difference**:

> **Primary Equation**: $Q = U \cdot A \cdot \Delta T_{lm}$  
> **Engineering Impact**: Sizing validation for pasteurization and cooling tunnels.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| U | Heat Transfer Coeff | Engineering Constant |
| A | Area | Engineering Constant |
| \Delta T_{lm} | LMTD | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Slurry solvent evaporation rate exceeds 0.15 g/m²·s at coating zone | 8 | Dry particle agglomeration causing &gt;50 μm coating defects | Closed-loop humidity control maintaining 45-55% RH with ±2% tolerance and infrared drying gradient of 2-5°C/cm |
| Doctor blade edge wear exceeding Ra 0.4 μm surface roughness | 8 | Streaking defects with amplitude &gt;5 μm across 300 mm web width | Diamond-coated tungsten carbide blades (HV 2200) with laser interferometer wear monitoring triggering replacement at 15 μm material loss |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| coating_speed | Config-dependent | m/min | Verified |
| coating_width | Config-dependent | mm | Verified |
| thickness_accuracy | Config-dependent | μm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Slot-Die Coating Head](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/slot-die-coating-head.md) `(Standalone System)`
- [Precision Gap Adjustment System](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/precision-gap-adjustment-system.md) `(Standalone System)`
- [Web Tension Control Unit](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/web-tension-control-unit.md) `(Standalone System)`
- [Slurry Supply System](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/slurry-supply-system.md) `(Standalone System)`
- [Edge Guide System](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/edge-guide-system.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Slurry Mixing System**, **Drying Oven**, **Calendering Machine**  
**Downstream Applications**: Lithium-Ion Battery Cells, Electric Vehicle Battery Packs, Energy Storage System Modules  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What is the coating gap accuracy of this machine?
**A**: The machine achieves precise coating gap control with accuracy measured in micrometers (μm), ensuring uniform electrode slurry application on current collector foils.

### Q: What materials are used in the construction of this coating machine?
**A**: Constructed with durable Stainless Steel 316L, Hardened Tool Steel, Ceramic Coating Components, and Precision Linear Bearings for longevity and precision in industrial battery manufacturing environments.

### Q: How does the web tension control system improve battery electrode quality?
**A**: The integrated Web Tension Control Unit maintains consistent tension (measured in N/m) throughout the coating process, preventing wrinkles and ensuring uniform slurry application for higher quality battery electrodes.

## 6. Manufacturing Compliance
- ISO 9001:2015 QUALITY MANAGEMENT SYSTEMS
- CE MARKING (MACHINERY DIRECTIVE 2006/42/EC)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Lithium-Ion Battery Electrode Coating Machine](https://cnfx.com/industry/manufacture-batteries-accumulators/product/lithium-ion-battery-electrode-coating-machine)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: LITHIUM_ION_BATTERY_ELECTRODE_COATING_MACHINE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 1d271c03
