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Self-catalytic pyrolysis thermodynamics of waste printed circuit boards with co-existing metals

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1581-0

Abstract:

● The co-existing metals in WPCBs has positive catalytic influence in pyrolysis.

Keywords： Waste printed circuit board     Catalyst     Pyrolysis     Kinetics    

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Non-toxic, high selectivity process for the extraction of precious metals from waste printed circuit

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1723-z

Abstract:

● Au, Ag and Pd were recovered from WPCBs with high efficiencies.

Keywords： Thiosulfate     Printed circuit boards     Precious metals     Leaching     Hydrometallurgy    

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Thermal cracking of waste printed wiring boards for mechanical recycling by using residual steam preprocessing

Yao CHEN, Jinhui LI, Huabo DUAN, Zhishi WANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 167-174 doi: 10.1007/s11783-011-0308-4

Abstract: and separation processes for the recovery of valuable materials, have been widely applied in waste printed

Keywords： waste printed wiring board (PWB)     residue steam     thermal-crack     mechanical properties    

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Copper recovery from waste printed circuit boards concentrated metal scraps by electrolysis

Xiaonan Liu, Qiuxia Tan, Yungui Li, Zhonghui Xu, Mengjun Chen

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0997-4

Abstract: Copper recovery is the core of waste printed circuit boards (WPCBs) treatment.Thus, electrolysis proposes a feasible and prospective approach for waste printed circuit boards recycle

Keywords： Waste printed circuit boards (WPCBs)     Copper     Recovery rate     Purity     Electrolysis    

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Copper fractal growth during recycling from waste printed circuit boards by slurry electrolysis

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1405-7

Abstract:

• Copper fractal growth was observed during WPCBs recycling by slurry electrolysis.

Keywords： Dendritic copper     Fractal growth     WPCBs     Slurry electrolysis    

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Laser sintering of Cu nanoparticles on PET polymer substrate for printed electronics at different wavelengths

Juan Carlos HERNANDEZ-CASTANEDA, Boon Keng LOK, Hongyu ZHENG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 303-318 doi: 10.1007/s11465-019-0562-x

Abstract: This study explores the feasibility of different laser systems to sinter screen-printed lines from nonconductiveThese materials are commonly used in manufacturing functional printed electronics for large-area applications

Keywords： laser sintering     copper nanoparticles     printed electronics    

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Printability and hardening performance of three-dimensionally-printed geopolymer based on lunar regolith

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0003-0

Abstract: The results show that heating the printed filaments with a water-to-binder ratio of 0.32 at 80 °C can

Keywords： geopolymer     lunar regolith simulant     3D printing     rheology     printability    

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A critical review on the recycling of copper and precious metals from waste printed circuit boards using

Zebing Wu, Wenyi Yuan, Jinhui Li, Xiaoyan Wang, Lili Liu, Jingwei Wang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0995-6

Abstract: In particular, waste printed circuit boards (PCBs) have become of global concern with regard to environmental

Keywords： Waste PCBs     Precious metals     Hydrometallurgy     Recycling     Leaching     Recovery    

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Defect passivation on cast-mono crystalline screen-printed cells

Alison WENHAM,Lihui SONG,Malcolm ABBOTT,Iskra ZAFIROVSKA,Sisi WANG,Brett HALLAM,Catherine CHAN,Allen BARNETT,Stuart WENHAM

Frontiers in Energy 2017, Volume 11, Issue 1,   Pages 60-66 doi: 10.1007/s11708-016-0443-5

Abstract: Cast-mono crystalline silicon wafers contain crystallographic defects, which can severely impact the electrical performance of solar cells. This paper demonstrates that applying hydrogenation processes at moderate temperatures to finished screen print cells can passivate dislocation clusters within the cast-mono crystalline silicon wafers far better than the hydrogenation received during standard commercial firing conditions. Efficiency enhancements of up to 2% absolute are demonstrated on wafers with high dislocation densities. The impact of illumination to manipulate the charge state of hydrogen during annealing is investigated and found to not be significant on the wafers used in this study. This finding is contrary to a previous study on similar wafers that concluded increased H or H from laser illumination was responsible for the further passivation of positively charged dangling bonds within the dislocation clusters.

Keywords： silicon solar cell     dislocation     cast-mono     laser     hydrogen passivation    

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Surface tension of liquid metal: role, mechanism and application

Xi ZHAO, Shuo XU, Jing LIU

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 535-567 doi: 10.1007/s11708-017-0463-9

Abstract: from chip cooling, thermal energy harvesting, hydrogen generation, shape changeable soft machines, printed

Keywords： surface tension     liquid metal     soft machine     printed electronics     electrowetting     self-actuation    

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Plated contacts for solar cells with superior adhesion strength to screen printed solar cells

R. CHEN,S. WANG,A. WENHAM,Z. SHI,T. YOUNG,J. JI,M. EDWARDS,A. SUGIANTO,L. MAI,S. WENHAM,C. CHONG

Frontiers in Energy 2017, Volume 11, Issue 1,   Pages 72-77 doi: 10.1007/s11708-016-0428-4

Abstract: The adhesion strengths for various metal contacting schemes were evaluated, including screen-printed

Keywords： light-induced plating     metal adhesion strength     copper plating     metal contacts     solar cell durability     silicon solar cells    

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A study for printed circuit board image registeration algorithm based on AOI

Guo Fenglin,Guan Shu′an,Kong Yan

Strategic Study of CAE 2012, Volume 14, Issue 11,   Pages 103-106

Abstract:

In the printed circuit board defect inspection based on AOI, there are

Keywords： PCB defect inspection     image registration     edge points sampling     registration strength    

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Rise of the Liquid Metal Science, Technology and Industry: Advancements and Opportunities

Liu Jing

Strategic Study of CAE 2020, Volume 22, Issue 5,   Pages 93-103 doi: 10.15302/J-SSCAE-2020.05.016

Abstract: industrial areas thus initiated which include but are not limited to: chip cooling and energy utilization, printed

Keywords： liquid metal     new material     disruptive technology     new industry     advanced cooling     printed electronics    

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Rapid method for on-site determination of phenolic contaminants in water using a disposable biosensor

Yuanting LI, Dawei LI, Wei SONG, Meng LI, Jie ZOU, Yitao LONG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 831-838 doi: 10.1007/s11783-012-0393-z

Abstract: single-walled carbon nanotubes, gold nanoparticles and tyrosinase (SWCNTs-AuNPs-Tyr) modified screen-printed

Keywords： tyrosinase biosensor     phenolic contaminants     single-walled carbon nanotubes     gold nanoparticles     screen-printed    

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Bio-Printed Hydrogel Textiles Based on Fish Skin Decellularized Extracellular Matrix for Wound Healing Article

Xiang Lin, Han Zhang, Hui Zhang, Zhuohao Zhang, Guopu Chen, Yuanjin Zhao

Engineering 2023, Volume 25, Issue 6,   Pages 120-127 doi: 10.1016/j.eng.2022.05.022

Abstract: Here, we present novel bio-printed textiles based on fish skin decellularized extracellular matrix (dECMThanks to the desirable biocompatibility of the fish-derived dECM, the bio-printed textiles exhibit excellentSince the dECM-based hydrogels are generated using a bio-printing method, the bio-printed textiles exhibit

Keywords： Bio-printing     Fish skin     Decellularized extracellular matrix     Hydrogel     Wound healing    

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Title Author Date Type Operation

Self-catalytic pyrolysis thermodynamics of waste printed circuit boards with co-existing metals

Journal Article

Non-toxic, high selectivity process for the extraction of precious metals from waste printed circuit

Journal Article

Thermal cracking of waste printed wiring boards for mechanical recycling by using residual steam preprocessing

Yao CHEN, Jinhui LI, Huabo DUAN, Zhishi WANG

Journal Article

Copper recovery from waste printed circuit boards concentrated metal scraps by electrolysis

Xiaonan Liu, Qiuxia Tan, Yungui Li, Zhonghui Xu, Mengjun Chen

Journal Article

Copper fractal growth during recycling from waste printed circuit boards by slurry electrolysis

Journal Article

Laser sintering of Cu nanoparticles on PET polymer substrate for printed electronics at different wavelengths

Juan Carlos HERNANDEZ-CASTANEDA, Boon Keng LOK, Hongyu ZHENG

Journal Article

Printability and hardening performance of three-dimensionally-printed geopolymer based on lunar regolith

Journal Article

A critical review on the recycling of copper and precious metals from waste printed circuit boards using

Zebing Wu, Wenyi Yuan, Jinhui Li, Xiaoyan Wang, Lili Liu, Jingwei Wang

Journal Article

Defect passivation on cast-mono crystalline screen-printed cells

Alison WENHAM,Lihui SONG,Malcolm ABBOTT,Iskra ZAFIROVSKA,Sisi WANG,Brett HALLAM,Catherine CHAN,Allen BARNETT,Stuart WENHAM

Journal Article

Surface tension of liquid metal: role, mechanism and application

Xi ZHAO, Shuo XU, Jing LIU

Journal Article

Plated contacts for solar cells with superior adhesion strength to screen printed solar cells

R. CHEN,S. WANG,A. WENHAM,Z. SHI,T. YOUNG,J. JI,M. EDWARDS,A. SUGIANTO,L. MAI,S. WENHAM,C. CHONG

Journal Article

A study for printed circuit board image registeration algorithm based on AOI

Guo Fenglin,Guan Shu′an,Kong Yan

Journal Article

Rise of the Liquid Metal Science, Technology and Industry: Advancements and Opportunities

Liu Jing

Journal Article

Rapid method for on-site determination of phenolic contaminants in water using a disposable biosensor

Yuanting LI, Dawei LI, Wei SONG, Meng LI, Jie ZOU, Yitao LONG

Journal Article

Bio-Printed Hydrogel Textiles Based on Fish Skin Decellularized Extracellular Matrix for Wound Healing

Xiang Lin, Han Zhang, Hui Zhang, Zhuohao Zhang, Guopu Chen, Yuanjin Zhao

Journal Article