---
title: "Electrode Assembly"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ELECTRODE_ASSEMBLY"
  data_integrity_hash: "d5f254410d77407d44ad6b347b224e37"
  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:ELECTRODE_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/electrode-assembly.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/electrode-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.1-4.2 V potential difference across electrode interfaces"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 0
    unit: "V"
    consequence: "Lithium dendrite formation due to uneven current distribution exceeding Sand's time threshold (τ = πD(C₀/2j)² where D=10⁻¹⁰ cm²/s, C₀=1 mol/L, j&gt;1 mA/cm²)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Local current density exceeding 2 mA/cm² at electrode-electrolyte interface"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Gradient porosity electrode design with 15-35 μm pore size distribution and 3-layer composite separator (PE/PP/PE)"
  - node_2:
      trigger: "Electrode particle fracture from &gt;0.5% lattice volume change during lithium intercalation"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Core-shell NMC811 particles with Li₂MnO₃ coating and 2% Al doping to maintain α-NaFeO₂ structure"
bom_nodes:
  anode-layer:
    type: "component"
    urn: "URN:CNFX:ME:ANODE_LAYER"
    interface_type: "physical-logic-coupled"
  cathode-layer:
    type: "component"
    urn: "URN:CNFX:ME:CATHODE_LAYER"
    interface_type: "physical-logic-coupled"
  solid-electrolyte-separator:
    type: "part"
    urn: "URN:CNFX:ME:SOLID_ELECTROLYTE_SEPARATOR"
    interface_type: "physical-logic-coupled"
  current-collectors:
    type: "component"
    urn: "URN:CNFX:ME:CURRENT_COLLECTORS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING - DIRECTIVE 2014/35/EU (LOW VOLTAGE DIRECTIVE)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/electrode-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "55844f39e1ffe2d86009b68f22af94fe6d2953c652f0fc7a8cdb827652a8733d"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Electrode Assembly

## 1. Technical Definition
A critical component within a solid-state cell module that facilitates electrochemical reactions by providing conductive pathways for electron and ion transfer.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.1-4.2 V potential difference across electrode interfaces**. Failure boundary: **Lithium plating initiates at 0 V vs Li/Li⁺ reference potential with current density exceeding 1 mA/cm²**, Mechanism: **Lithium dendrite formation due to uneven current distribution exceeding Sand's time threshold (τ = πD(C₀/2j)² where D=10⁻¹⁰ cm²/s, C₀=1 mol/L, j&gt;1 mA/cm²)**.

### 2.1 Analytical Physics Model
Governed by the **Joule Heating & Thermal Resistance**:

> **Primary Equation**: $P = I^2 R = \frac{V^2}{R}$  
> **Engineering Impact**: Governs heating element sizing for shrink tunnels/sealers.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| I | Current | Engineering Constant |
| R | Resistance | Engineering Constant |
| V | Voltage | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Local current density exceeding 2 mA/cm² at electrode-electrolyte interface | 8 | Metallic lithium plating and dendritic growth penetrating separator | Gradient porosity electrode design with 15-35 μm pore size distribution and 3-layer composite separator (PE/PP/PE) |
| Electrode particle fracture from &gt;0.5% lattice volume change during lithium intercalation | 8 | Active material isolation and solid electrolyte interface layer rupture | Core-shell NMC811 particles with Li₂MnO₃ coating and 2% Al doping to maintain α-NaFeO₂ structure |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Solid Electrolyte Separator](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/solid-electrolyte-separator.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Electrode Coating Machine**, **Electrode Calendering Machine**, **Electrode Slitting Machine**  
**Downstream Applications**: Solid-State Battery Cells, Solid-State Battery Modules, Solid-State Battery Packs  

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

### Q: What are the key materials used in electrode assemblies for solid-state batteries?
**A**: Electrode assemblies typically consist of lithium metal or graphite anodes, lithium transition metal oxide cathodes, ceramic or polymer solid electrolytes, and copper/aluminum foil current collectors.

### Q: How does the electrode assembly function within a solid-state battery module?
**A**: The electrode assembly facilitates electrochemical reactions by creating conductive pathways for electron transfer through current collectors and ion transfer through the solid electrolyte, enabling energy storage and release.

### Q: What are the main components in an electrode assembly bill of materials (BOM)?
**A**: The standard BOM includes anode layer, cathode layer, current collectors (copper for anode, aluminum for cathode), and solid electrolyte separator that prevents short circuits while allowing ion flow.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- CE MARKING - DIRECTIVE 2014/35/EU (LOW VOLTAGE DIRECTIVE)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Electrode Assembly](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/electrode-assembly)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: ELECTRODE_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 50909520
