Cell/Module/Pack design

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Cell/Module/Pack design by Mind Map: Cell/Module/Pack design

1. Cost target

1.1. 100$/kWh pack base

1.2. 2024<120$/kWh?

2. Cell Roadmap

2.1. VIC plan

2.2. decide target number

2.2.1. 2022/2024/2027/2030

2.2.2. 600Wh/L,650,700,750

2.2.2.1. 200Wh/Kg,250,300,350

2.2.3. how to realize

2.2.3.1. from cell design calcurlation

2.2.3.1.1. find diffuculty

2.2.3.2. material road map

2.2.3.2.1. ask material maker

2.2.3.2.2. Cathode/Anode/Separator/Electrolyte

2.2.3.3. structure

2.2.3.3.1. own idea

2.2.3.3.2. tab less

2.2.3.3.3. IP info.

2.2.3.4. production

2.2.3.4.1. process inovation

2.2.4. material information

2.2.4.1. development plan

2.2.5. customer requirement

2.2.6. competitor information

2.2.7. Cell cost target

3. Priority

3.1. 1.Cost $/kWh

3.1.1. less than 100$/kWh - 2024?

3.2. 2. Safety

3.2.1. Priority?

3.2.1.1. Cell / hot box?

3.2.1.2. Pack : Thermal propagation?

3.3. 3. Performance

3.4. Digitalization

4. Module design

4.1. BOM

4.1.1. Sensors

4.1.2. Casing

4.1.2.1. Materials

4.1.2.1.1. Aluminum

4.1.2.1.2. Steel

4.1.2.1.3. Plastic

4.1.2.2. Interface with pack

4.1.2.3. Top cover

4.1.2.4. Bottom cover

4.1.3. Cooling

4.1.3.1. Passive

4.1.3.2. Active

4.1.3.2.1. Direct

4.1.3.2.2. Indirect

4.1.3.3. Use cell as a thermal conductor

4.1.4. Busbars

4.1.5. Wiring

4.2. Overall design

4.2.1. Format / size

4.2.1.1. Automotive oriented

4.2.1.2. Standard format for all kind of application

4.2.2. Structure

4.2.2.1. Rigid / Fully sealed / Ready to use

4.2.2.2. Pack provides rigidity

4.2.3. Terminals position

4.3. Process

4.3.1. Fastening

4.3.2. Assembly of the cells

4.3.3. Welding

4.4. Carbon footprint

4.4.1. % of recycled material

4.4.2. Recyclability

5. Cell design

5.1. Material road map

5.1.1. Cathode

5.1.1.1. LFP

5.1.1.2. NMC/NCA

5.1.1.2.1. NCM622

5.1.1.3. Roadmap

5.1.1.3.1. material maker`s information

5.1.1.3.2. High Charge voltage

5.1.2. Anode

5.1.2.1. graphite

5.1.2.1.1. artificial

5.1.2.1.2. natural

5.1.2.2. Si/SiC etc

5.1.2.3. Roadmap

5.1.2.3.1. material maker`s information

5.1.3. Separator

5.1.3.1. Aramid/Sumitomo

5.1.3.1.1. Cylindrical

5.1.3.2. Ceramic coating (CCS)

5.1.3.2.1. SK/Asahi/etc.

5.1.3.2.2. adhesive layer ?

5.1.3.3. MFS: Multi function layer

5.1.3.4. Thickness

5.1.3.4.1. base film: PE/ 11 micrometers?

5.1.3.4.2. coating layers / 2+2?

5.1.3.5. Roadmap

5.1.3.5.1. material maker`s information

5.1.3.6. PP Non woven for LFP?

5.1.4. Electrolyte

5.1.4.1. roadmap

5.1.4.1.1. material maker`s information

5.1.4.2. solvent

5.1.4.2.1. EC-free electrolyte?

5.1.4.3. salt

5.1.4.3.1. High Concentration?

5.1.4.4. additives

5.1.4.5. Ion liquid?

5.1.5. Other parts and materials

5.2. Format

5.2.1. cylindrical

5.2.1.1. 2170

5.2.1.1.1. Max. Cell height?

5.2.1.2. 4680?

5.2.1.2.1. from2025?

5.2.1.2.2. Tab less

5.2.1.3. NCA/NMC-Graphite/Si system

5.2.2. Pouch

5.2.2.1. L:550 x W:100 x T:14

5.2.2.1.1. Max. of L/W/T?

5.2.2.2. NCA/NMC-Graphite system

5.2.3. Prismatic

5.2.3.1. LFP-Graphite

5.2.3.2. Size: close to half of pouch?

5.2.3.2.1. Use same module size as pouch

5.2.4. Common Element design

5.2.4.1. electrode design/ recipe

5.3. Mechanical design

5.3.1. modeling

5.3.1.1. Cylindrical JR

5.3.1.2. Pouch/Prismatic Stack

5.3.2. Hire cell mechanical design engineer

6. Pack design

6.1. Cooling

6.1.1. Bottom cooling

6.1.2. Active cooling at module level connected to pack

6.2. Casing

6.2.1. Materials

6.3. BMS

6.4. Switch

6.5. Power unit