Simultaneous Synthesis of Diamond and Hydrogen

A relationship between diamond synthesis and hydrogen production in in-liquid plasma method have been investigated. Approximately 60 % energy can be recovered by collecting hydrogen gas made by ingredient solution decomposition. The relationship is trade-off. When higher energy is used to maintain t...

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Bibliographic Details
Published in:Key engineering materials 2019-10, Vol.825, p.77-83, Article 77
Main Authors: Nomura, Shinfuku, Zhu, Xia, Nakajima, Kazuto, Toyota, Hiromichi, Shiraishi, Ryoya, Iwamoto, Yukiharu
Format: Article
Language:English
Subjects:
Diamonds
Hydrogen
Hydrogen production
Substrates
Synthesis
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Summary:A relationship between diamond synthesis and hydrogen production in in-liquid plasma method have been investigated. Approximately 60 % energy can be recovered by collecting hydrogen gas made by ingredient solution decomposition. The relationship is trade-off. When higher energy is used to maintain the substrate temperature, the hydrogen production rate gets faster, but the diamond synthesis rate gets slower. To increase diamond synthesis rate, a method should be established which maintains the substrate temperature by lower energy and generates less hydrogen gas.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.825.77