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Huayi Yin on Muck Rack

Huayi Yin

As seen in: Nature, ScienceDirect, Green Chemistry, Royal Society of Chemistry
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Articles

A molten salt metal-air electrolyzer for recycling superalloy

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By Xiang Chen, Shiyu Wang, Beilei Zhang, Yanyang Guo, Zishuai Hu, Xin Qu, MengYi Tang, Lei Guo, Kaifa Du, Yuan Sun, Dihua Wang, Huayi Yin
| Nature Verified
Abstract Recovering critical strategic metals from superalloy scraps is indispensable to sustaining the materials supply chain. However, the excellent physicochemical properties of superalloy make them difficult to dissolve and separate, thereby hindering their recycling and reutilization. Here, we design a molten salt metal–air electrolyzer (MMAE) that synergistically oxidizes and pulverizes scraps, which generates oxide powders that can be easily dissolved and separated for all element recovery.
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Upcycling of waste sodium sulfate to sodium carbonate and sulfur

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By Hongya Wang, Shiyu Wang, Fengyin Zhou, Muya Cai, Jingjing Zhao, Danfeng Wang, Zhan Shi, Xiang Chen, Dihua Wang, Huayi Yin
| Nature Verified
Abstract Waste sodium sulfate (Na2SO4) is a common industrial byproduct that poses environmental risks and resource loss if improperly managed. Here, we report a thermochemical upcycling method to convert waste Na2SO4 into value-added sodium carbonate (Na2CO3) and sulfur (Sx). In this process, Na2SO4 is first reduced to sodium sulfide (Na2S) at 750 °C using charcoal.
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Co-upcycling spent lithium-ion batteries and plastics into microwave absorbing materials with Ni-Co catalyst control - Nature Communications

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By Baolong Qiu, Yuanzhao Hou, Zhan Shi, Pin Du, Nuo Xu, Hongwei Xie, Kuiren Liu, Jianshe Chen, Binchuan Li, Qing Han, Dihua Wang, Mengjie Liu, Daxue Fu, Huayi Yin
| Nature Verified
Abstract Co-upcycling plastics with lithium-ion batteries (LIBs) into carbon nanotubes (CNTs) offers a promising high-value approach; however, it is hindered by the challenge of poisoning metal catalysts by carbon deposition and the uncontrollable particle growth. Here, we propose a co-upcycling strategy to convert spent LiNixCoyMn1-x-yO2 (NCM) and binary plastics—polyethylene terephthalate (PET) and other plastics—into NiCoMnOx/CNTs composites (or materials) for microwave absorption.
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