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Updated: Jun 16, 2026

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions
08:57

Scalable Syntheses of Graphene Oxide and Reduced Graphene Oxide using Cascade Design Oxidation and Highly Basic Reduction Reactions

Published on: July 3, 2025

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コバルト亜鉛合金ナノ粒子を埋め込んだグラフェン量子ドット複合材料による酸素還元および酸素発生反応の強化

Pradeep Kumar Panda1, Yen-Hsiang Lin1, Pranjyan Dash2

  • 1Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan.

ACS applied materials & interfaces
|January 6, 2026
PubMed
まとめ

CoZn合金ナノ粒子を埋め込んだグラフェン量子ドット複合材料は、酸素反応の電気触媒性能を強化しました。この新しい材料は、エネルギー変換技術に優れた効率と安定性を提供します。

キーワード:
コアシェルナノコンポジット電気触媒グラフェン量子ドット（GQD）酸素発生反応（OER）酸素還元反応（ORR）遷移金属ナノ粒子

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Additives and Fillers in Concrete01:29

Additives and Fillers in Concrete

Additives and fillers are integral to enhancing the properties of concrete. Pozzolans and blast-furnace slag are additives or admixtures due to their reactions with calcium hydroxide released during cement hydration. Fillers, which are finely ground and similar in fineness to Portland cement, improve concrete attributes such as workability density, and reduce capillary bleeding or cracking. Some fillers possess hydraulic properties or participate in benign reactions within the cement paste.
The...