Journal
MATERIALS RESEARCH EXPRESS
Volume 6, Issue 5, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2053-1591/ab0322
Keywords
composite materials; functional; graphene; tourmaline; negative ion release
Categories
Funding
- Fundamental Research Funds for the Central Universities [300102218210, 300102218304]
- Transportation Science and Technology Development Plan in Tianjin Municipality of China [2017A-12]
- Science and Technology Planning Project of Transportation Department in Shandong Province of China [2018 B50]
- Transportation Science and Technology Plan in Henan Province of China [2018J8]
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The purpose is to further improve the negative ion release of tourmaline and broaden the application of tourmaline in the field of environmental protection. The new method for preparing graphene/ tourmaline composite by ball milling was proposed. The optimum preparation process of graphene/ tourmaline composite was determined through microscopic tests. The influence of graphene content on negative ion release of composites at different conditions was studied systematically. The enhancement mechanism of graphene/tourmaline composite on negative ion release was analyzed. The results show that graphene can significantly enhance negative ion release of tourmaline. And it is more advantageous to increase negative ion release of graphene/tourmaline composite by appropriately increasing temperature while adding graphene. The optimum ball milling parameters are determined as ball milling speed of 200 rpm and time of 2 h. Compared with tourmaline, the graphene/tourmaline composite has an increase in negative ion release of 11.9%.
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