the energy density and charging speed of lithium-ion batteries.

Graphene is a promising material for batteries due to its high electrical conductivity, high surface area, and potential for improving battery performance. Here are some notable companies and organizations that were working on graphene battery technology at that time: 1. **Samsung**: Samsung has been researching and developing graphene batteries for several years. They have explored the potential of graphene-based anodes to enhance the energy density and charging speed of lithium-ion batteries. 2. **IBM**: IBM is known for its research in nanotechnology and materials science. They have been investigating graphene-based materials for various applications, including graphene battery manufacturer batteries. Their research could potentially lead to advancements in battery technology. 3. **Graphenano**: Graphenano, a Spanish company, claimed to have developed a graphene polymer battery called “Graphenano HUMM3” with high energy density and rapid charging capabilities. However, it’s important to note that there were some controversies and skepticism surrounding their claims. 4. **Nanotech Energy**: Nanotech Energy is a U.S.-based company focused on developing graphene-based energy storage solutions, including batteries and supercapacitors. They have been working on commercializing graphene-enhanced batteries. 5. **Skeleton Technologies**: Skeleton Technologies, a European company, specializes in supercapacitor technology. While not strictly batteries, supercapacitors have energy storage applications and can benefit from graphene-enhanced materials. 6. **Vorbeck Materials**: Vorbeck Materials is another U.S. company that has been researching and developing graphene-based materials for various applications, including batteries and conductive inks. Please note that the landscape of graphene battery manufacturers and researchers may have evolved since my last update in September 2021. I recommend checking the latest news and developments in the field of graphene battery technology to find the most up-to-date information on manufacturers and advancements in the industry. Additionally, the success and commercial availability of graphene batteries may vary by region and application. As of my last knowledge update in September 2021, there were several companies and research institutions actively involved in the development and production of graphene-based batteries. Graphene is a promising material for batteries due to its high electrical conductivity, high surface area, and potential for improving battery performance. Here are some notable companies and organizations that were working on graphene battery technology at that time: 1. **Samsung**: Samsung has been researching and developing graphene batteries for several years. They have explored the potential of graphene-based anodes to enhance the energy density and charging speed of lithium-ion batteries. 2. **IBM**: IBM is known for its research in nanotechnology and materials science. They have been investigating graphene-based materials for various applications, including batteries. Their research could potentially lead to advancements in battery technology. 3. **Graphenano**: Graphenano, a Spanish company, claimed to have developed a graphene polymer battery called “Graphenano HUMM3” with high energy density and rapid charging capabilities. However, it’s important to note that there were some controversies and skepticism surrounding their claims. 4. **Nanotech Energy**: Nanotech Energy is a U.S.-based company focused on developing graphene-based energy storage solutions, including batteries and supercapacitors. They have been working on commercializing graphene-enhanced batteries.

• 5. **Skeleton Technologies**: Skeleton Technologies, a European company, specializes in supercapacitor technology. While not strictly batteries, supercapacitors have energy storage applications and can benefit from graphene-enhanced materials.

6. **Vorbeck Materials**: Vorbeck Materials is another U.S. company that has been researching and developing graphene-based materials for various applications, including batteries and conductive inks.

• Please note that the landscape of graphene battery manufacturers and researchers may have evolved since my last update in September 2021. I recommend checking the latest news and developments in the field of graphene battery technology to find the most up-to-date information on manufacturers and advancements in the industry. Additionally, the success and commercial availability of graphene batteries may vary by region and application.

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