18343846. POSITIVE ELECTRODE ACTIVE MATERIAL FOR AQUEOUS POTASSIUM ION BATTERY, AND AQUEOUS POTASSIUM ION SECONDARY BATTERY simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

POSITIVE ELECTRODE ACTIVE MATERIAL FOR AQUEOUS POTASSIUM ION BATTERY, AND AQUEOUS POTASSIUM ION SECONDARY BATTERY

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Shigeki Sato of Fujinomiya-shi (JP)

Shogo Kihara of Susono-shi (JP)

Hiroshi Suyama of Mishima-shi (JP)

POSITIVE ELECTRODE ACTIVE MATERIAL FOR AQUEOUS POTASSIUM ION BATTERY, AND AQUEOUS POTASSIUM ION SECONDARY BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18343846 titled 'POSITIVE ELECTRODE ACTIVE MATERIAL FOR AQUEOUS POTASSIUM ION BATTERY, AND AQUEOUS POTASSIUM ION SECONDARY BATTERY

Simplified Explanation

The patent application discloses a positive electrode active material for an aqueous potassium ion battery and a potassium ion secondary battery.

• Positive electrode active material: LiMnO, where 0<x<2
• Aqueous electrolyte solution with pH of 7.0 to 13.0
• Aqueous electrolyte solution comprises an aqueous solvent and potassium salt (preferably potassium pyrophosphate)

• • Potential Applications:**

- Energy storage systems - Portable electronic devices - Electric vehicles

• • Problems Solved:**

- Limited energy storage capacity in current battery technologies - Environmental concerns with traditional battery materials

• • Benefits:**

- Higher energy density - Longer cycle life - Environmentally friendly alternative to traditional battery materials

Original Abstract Submitted

The disclosure provides a novel positive electrode active material for an aqueous potassium ion battery, and a novel potassium ion secondary battery. The positive electrode active material for an aqueous potassium ion battery is represented by the general formula LiMnO, where 0<x<2. The aqueous potassium ion secondary battery comprises a positive electrode active material represented by the general formula LiMnOwhere 0<x<2, and an aqueous electrolyte solution, wherein the aqueous electrolyte solution has a pH of 7.0 to 13.0 and comprises an aqueous solvent and a potassium salt dissolved in the aqueous solvent. The potassium salt is preferably potassium pyrophosphate.