US Patent Application 18028480. POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREOF AND LITHIUM SECONDARY BATTERY COMPRISING SAME simplified abstract

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POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREOF AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Organization Name

LG ENERGY SOLUTION, LTD.


Inventor(s)

Minsu Kim of Daejeon (KR)

Dong Hyeop Han of Daejeon (KR)

Kyungsik Hong of Daejeon (KR)

Dongseok Shin of Daejeon (KR)

POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREOF AND LITHIUM SECONDARY BATTERY COMPRISING SAME - A simplified explanation of the abstract

This abstract first appeared for US patent application 18028480 titled 'POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREOF AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Simplified Explanation

The present disclosure is about a positive electrode for a lithium secondary battery and its manufacturing method, as well as a lithium secondary battery that includes this electrode.

  • The positive electrode has a unique structure that includes a low-loading wet positive electrode active material layer and a dry positive electrode active material layer.
  • The low-loading wet layer does not increase the moisture content in the battery.
  • The dry layer is prepared using a dry process.
  • This structure allows for the production of a lithium secondary battery with improved capacity, overvoltage, and lifetime characteristics.
  • Compared to batteries with only a wet or dry positive electrode active material layer, the battery with this positive electrode shows better performance.


Original Abstract Submitted

The present disclosure relates to a positive electrode for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery comprising the same. More specifically, since the positive electrode for the lithium secondary battery has a structure comprising a low-loading wet positive electrode active material layer, which does not increase the moisture content in the battery, and a dry positive electrode active material layer prepared by a dry process, it is possible to manufacture a lithium secondary battery with improved capacity, overvoltage and lifetime characteristics, as compared to a battery equipped with a positive electrode comprising only a wet positive electrode active material layer, or only a dry positive electrode active material layer.

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