特斯拉-特斯拉电池日发布会PPT（英文）-2020.9-49页_9mb

Summary of "We Have A Plan To Halve The Cost Per KWh"

Core Content

Tesla has outlined a comprehensive plan to significantly reduce the cost per kilowatt-hour (KWh) of its batteries, aiming to make electric vehicles (EVs) more accessible and competitive. The strategy involves a combination of innovative battery design, advanced manufacturing techniques, and vertical integration across the supply chain.

Main Goals

1. Reduce Battery Cost by 50%: Tesla's primary objective is to halve the cost per KWh, which will help make EVs more affordable and increase market share.
2. Increase Range and Power: Through improvements in battery technology and materials, Tesla aims to boost vehicle range by 16% and power by 6X.
3. Scale Production Efficiently: The company is planning to scale battery production to 100 GWh by 2022 and 3 TWh by 2030.

Key Strategies

1. Bigger Cylindrical Cells

• Larger cylindrical cells (e.g., 46 MM) are more cost-effective due to their simpler design and higher energy density.
• These cells offer a 5X reduction in electrical path, which improves efficiency and reduces cost.

2. Powder Into Film

• A new manufacturing approach simplifies the production of anodes and cathodes by converting raw powder materials into thin films.
• This results in simpler manufacturing, fewer parts, and reduced costs.

3. Silicon-Based Anodes

• Tesla is using raw silicon instead of expensive graphite anodes, which can store 9X more lithium.
• This innovation is expected to increase range by 20% and reduce cost per KWh by 14%.

4. High Nickel Cathodes

• Tesla is developing high nickel cathodes to maximize energy density while reducing the use of costly cobalt.
• This approach leads to a 15% reduction in cathode cost per KWh.

5. Diversified Cathode Materials

• The company is exploring various cathode materials, including iron-based and nickel-manganese combinations, to improve performance and reduce costs.
• These materials offer long cycle life and long range capabilities.

6. Recycling Strategy

• Tesla is prioritizing recycling of battery materials over mining raw ores, which is more sustainable and cost-effective.
• Recycled materials provide higher purity and lower costs compared to typical ores.

7. Vertical Integration

• Tesla is vertically integrating its battery production, reducing reliance on external suppliers and lowering costs.
• This includes in-house production of anode and cathode materials, as well as battery cell manufacturing.

8. Giga Casting Innovations

• Tesla is innovating in the manufacturing of vehicle components, such as structural fuel tanks and batteries, using Giga Casting.
• This reduces the number of parts per car by 79% and saves 40% on rear underbody costs.

9. Integrated Battery + Body Factory

• Tesla is developing a future factory model that integrates battery and body production, leading to a 55% reduction in investment per GWh and a 35% reduction in floor space.

Key Information

• Cost Reduction:
  • 14% reduction in cost per KWh from silicon anodes.
  • 18% reduction in cost per KWh from high nickel cathodes.
  • 5% reduction in cost per KWh from other material improvements.
  • Overall, Tesla aims for a 50% reduction in cost per KWh.
• Production Scale:
  • Target of 100 GWh by 2022 and 3 TWh by 2030.
• Market Impact:
  • EV market share is growing, but affordability remains a challenge.
  • Tesla plans to launch a $25,000 electric car within about three years, which could significantly impact the market.
• Environmental and Economic Benefits:
  • Recycling is more desirable than mining raw ores.
  • The company has secured TWh-scale lithium resources through acid-free, saline extraction methods.

Challenges and Innovations

• Volume Expansion Challenge: Silicon anodes expand during charging, which can be mitigated through elastic, ion-conducting polymer coatings.
• Traditional vs. Tesla Cathode Process: Traditional cathode production involves more chemicals and waste, while Tesla's approach is more streamlined and environmentally friendly.
• New Trajectory: Tesla's vertical integration and innovative manufacturing techniques are expected to create a new trajectory in battery production and vehicle affordability.

Conclusion

Tesla's plan to halve the cost per KWh involves a multi-faceted approach, including advanced materials, simplified manufacturing, and vertical integration. These strategies are aimed at making EVs more affordable, increasing their range and power, and reducing environmental impact through recycling and sustainable resource extraction. The company's innovations in battery design and production are expected to significantly scale up battery manufacturing and drive down costs, contributing to the broader adoption of electric vehicles.