POROUS AMORPHOUS GeOx AND ITS APPLICATION AS AN ANODE MATERIAL IN LI-ION BATTERIES

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United States of America Patent

APP PUB NO 20150171426A1
SERIAL NO

14358926

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Abstract

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Amorphus germanium oxide materials are provided that are composed of germanium and oxygen having a formula GeOx, where 0.01≦x≦1.99. The germanium oxide forms nanoscale hierarchical porous agglomerates that have high capacity, high diffusivity of lithium, and enhanced cycling stability. The enhanced or superior performance (structural stability and reactivity) of these materials is due to the formation of ultrafine primary nanoparticles, amorphization, pore formation, preferably of nanoscale nature, and the incorporation of oxygen. These amorphous germanium oxide materials may serve as high-capacity anode materials and afford an enhanced capacity applicable for electrochemical cells such as Li-ion batteries.

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BROOKHAVEN SCIENCE ASSOCIATES LLCUPTON NY

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  • 2012 Application Filing Year
  • H01M Class
  • 3746 Applications Filed
  • 3459 Patents Issued To-Date
  • 92.34 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2012201320142015201620172018201920202021202220230255075100

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Inventor Name Address # of filed Patents Total Citations
Han, Weiqiang Ningbo, CN 3 9
Wang, Xiao-Liang Hayward, US 11 166

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  • 4 Citation Count
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