18467068. SECONDARY BATTERY simplified abstract (TOYOTA JIDOSHA KABUSHIKI KAISHA)

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SECONDARY BATTERY

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor(s)

Tetsuo Hara of Toyota-shi (JP)

SECONDARY BATTERY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18467068 titled 'SECONDARY BATTERY

Simplified Explanation

The abstract describes a secondary battery design that includes a battery case, an electrode body, and a collector member connecting the battery case and the electrode body. The positive electrode of the battery includes an insulation layer adjacent to a positive electrode active material layer. The collector members have first portions fixed to the battery case and second portions that are bent relative to the first portions and connected to collector regions.

  • The secondary battery design includes a battery case, electrode body, and collector member.
  • The positive electrode has an insulation layer next to the active material layer.
  • The collector members have fixed first portions and bent second portions connected to collector regions.
  • Ribs are included in the collector members to connect the first and second portions.

Potential applications of this technology:

  • Electric vehicles
  • Portable electronic devices
  • Renewable energy storage systems

Problems solved by this technology:

  • Improved battery performance and efficiency
  • Enhanced safety with the insulation layer
  • Simplified design and assembly process

Benefits of this technology:

  • Increased battery lifespan
  • Higher energy density
  • Improved thermal management
  • Enhanced safety features


Original Abstract Submitted

A secondary battery includes a battery case, an electrode body, and a collector member connecting the battery case and the electrode body. A positive electrode includes an insulation layer provided so as to be adjacent to a positive electrode active material layer. The collector members include first portions, and second portions continuous to the first portions and bent relative to the first portions. The first portions are fixed to the battery case. The second portions are connected, at ends thereof opposite to the bent portions, to collector regions, respectively. The collector members further include ribs connected, at the bent portions, to the first portions and the second portions, respectively.

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