US Patent Application 18210123. METHOD OF PRODUCING LITHIUM ION SECONDARY BATTERY AND NEGATIVE ELECTRODE MATERIAL simplified abstract

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METHOD OF PRODUCING LITHIUM ION SECONDARY BATTERY AND NEGATIVE ELECTRODE MATERIAL

Organization Name

TOYOTA JIDOSHA KABUSHIKI KAISHA


Inventor(s)

Hiroto Asano of Nisshin-shi (JP)


Shinsuke Matsuhara of Miyoshi-shi (JP)


METHOD OF PRODUCING LITHIUM ION SECONDARY BATTERY AND NEGATIVE ELECTRODE MATERIAL - A simplified explanation of the abstract

  • This abstract for appeared for US patent application number 18210123 Titled 'METHOD OF PRODUCING LITHIUM ION SECONDARY BATTERY AND NEGATIVE ELECTRODE MATERIAL'

Simplified Explanation

The abstract describes a method for making a lithium-ion battery. The method involves creating an electrode body with a positive and negative electrode. The negative electrode contains a special type of graphite particle with open pores, which are filled with SiO. A battery assembly is then made by combining the electrode body with a non-aqueous electrolytic solution containing LiPF at a concentration of at least a certain value. Finally, the battery assembly generates lithium difluorophosphate within the electrode body.


Original Abstract Submitted

A method of producing a lithium ion secondary battery includes preparing an electrode body which includes a positive electrode and a negative electrode and in which the negative electrode contains a negative electrode material containing a porous graphite particle having open pores and SiOdisposed in the open pores, producing a battery assembly including the electrode body and a non-aqueous electrolytic solution containing LiPFwith a concentration of mol/L or more, and generating lithium difluorophosphate in the electrode body

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