17954896. SILICON-CONTAINING ELECTRODES AND METHODS FOR PREPARING THE SAME simplified abstract (GM GLOBAL TECHNOLOGY OPERATIONS LLC)

SILICON-CONTAINING ELECTRODES AND METHODS FOR PREPARING THE SAME

Organization Name

GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor(s)

Insun Yoon of Shelby Township MI (US)

Meixian Wang of Troy MI (US)

Ion C. Halalay of Grosse Pointe Park MI (US)

SILICON-CONTAINING ELECTRODES AND METHODS FOR PREPARING THE SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 17954896 titled 'SILICON-CONTAINING ELECTRODES AND METHODS FOR PREPARING THE SAME

Simplified Explanation

The patent application describes an electrochemical cell with a first electrode containing a positive electroactive material, a second electrode containing a negative electroactive material and a polyacrylate binder, and a separating layer between the electrodes. The polyacrylate binder has a specific molecular weight range, and the second electrode is prepared by applying an electrode forming slurry with specific temperature conditions.

• The first electrode contains a positive electroactive material.
• The second electrode contains a negative electroactive material and a polyacrylate binder with a specific molecular weight range.
• A separating layer is present between the first and second electrodes.
• The second electrode is prepared by applying an electrode forming slurry with specific temperature conditions.

Potential Applications

The technology described in the patent application could be used in various rechargeable battery systems, energy storage devices, and electronic devices requiring high-performance electrodes.

Problems Solved

1. Improved electrode performance and stability. 2. Enhanced energy storage capacity and efficiency.

Benefits

1. Increased battery lifespan. 2. Higher energy density. 3. Enhanced overall battery performance.

Potential Commercial Applications

Optimized electrode materials and manufacturing processes could be utilized in electric vehicles, portable electronics, and grid energy storage systems.

Possible Prior Art

Prior art may include patents or publications related to electrode materials, binder compositions, and manufacturing methods for electrochemical cells.

How does the specific molecular weight range of the polyacrylate binder impact the performance of the electrode materials in the electrochemical cell?

The specific molecular weight range of the polyacrylate binder may affect the binding strength, conductivity, and stability of the electrodes in the electrochemical cell. Further research and testing are needed to fully understand the implications of this parameter on the overall cell performance.

What are the potential challenges in scaling up the production of electrochemical cells using the described technology?

Scaling up production may involve optimizing manufacturing processes, sourcing high-quality materials in large quantities, and ensuring consistent performance across a range of cell sizes and configurations. Addressing these challenges will be crucial for commercial viability and widespread adoption of the technology.

Original Abstract Submitted

An electrochemical cell may include a first electrode that includes a positive electroactive material, a second electrode that includes a negative electroactive material and a polyacrylate binder, and a separating layer disposed between the first and second electrodes. The polyacrylate binder has a molecular weight greater than or equal to about 250,000 mol/g to less than or equal to about 500,000 mol/g. The second electrode is prepared by disposing an electrode forming slurry having a temperature greater than or equal to about 4° C. to less than or equal to about 15° C. one or near a surface of a current collector. The electrode forming slurry includes the negative electroactive material and the polyacrylate binder. The negative electroactive material can be a silicon-containing material.