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EVE has obtained Korean and Japanese patent certificates. The "Golden Belt" patented technology can realize better sealing of the Bean Cell.

Mar 24,2021

EVE recently received patent certificates issued by the Korean Intellectual Property Office and Japan Patent Office.


  1. 1.Korean Patent Certificate

  • Patent name: A button-type lithium battery sealing structure and sealing method

  • Patent number: 10-2191720

  • Patent type: invention patent

  • Patent filling date: November 22, 2018

  • Patentee: EVE Energy Co., Ltd.

  • Duration of patent right: 20 years from the date of application


2.Japanese Patent Certificate


  • Patent name: A button-type lithium battery sealing structure and sealing method

  • Patent Number: 6734401

  • Patent type: invention patent

  • Patent filling date: December 29, 2017

  • Patentee: EVE Energy Co., Ltd.

  • Duration of patent right: 20 years from the date of application


The above mentioned invention patent provides a button-type lithium battery sealing structure and sealing method, which improves the sealing and safety of the button-type lithium battery, and at the same time prevents battery failure caused by damage to the sealing ring during sealing process. Thetechnology has been applied to the Bean Cell by EVE. The unique "Golden Belt" technology help realizes better sealing performance and higher safety.


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The above mentioned patents play a positive role in expanding the international influence of EVE’s products and overseas business. EVE will further leverage on its independent intellectual property rights and strengthen its innovation mechanism.