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passivation 5

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EFFECT OF EXOGENOUS ADDITIVES ON HEAVY METAL PASSIVATION AND NITROGEN RETENTION IN PIG MANURE COMPOSTING

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023487

Abstract:

● Research on heavy metal passivation and nitrogen emissions is necessary

Keywords： additives     composting     heavy metals passivation     nitrogen retention     pig manure    

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SiO2 passivation layer grown by liquid phase deposition for silicon solar cell application

Yanlin CHEN,Sihua ZHONG,Miao TAN,Wenzhong SHEN

Frontiers in Energy 2017, Volume 11, Issue 1,   Pages 52-59 doi: 10.1007/s11708-016-0429-3

Abstract: Surface passivation is one of the primary requirements for high efficient silicon solar cells.Though the current existed passivation techniques are effective, expensive equipments are required.It was found that the post-annealing process could significantly enhance the passivation effect of theBesides, it was revealed that both chemical passivation and field-effect passivation mechanisms playedimportant roles in outstanding passivation effect of the LPD SiO film through analyzing the minority

Keywords： Si solar cell     passivation     SiO2     liquid phase deposition     carrier lifetime    

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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: similar wafers that concluded increased H or H from laser illumination was responsible for the further passivation

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

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Plasma enhanced chemical vapor deposition of excellent a-Si:H passivation layers for a-Si:H/c-Si heterojunction

Lei ZHAO,Wenbin ZHANG,Jingwei CHEN,Hongwei DIAO,Qi WANG,Wenjing WANG

Frontiers in Energy 2017, Volume 11, Issue 1,   Pages 85-91 doi: 10.1007/s11708-016-0437-3

Abstract: The intrinsic a-Si:H passivation layer inserted between the doped a-Si:H layer and the c-Si substrateThe passivation performance of the a-Si:H layer is strongly dependent on its microstructure.The corresponding passivation performance on c-Si was investigated by minority carrier lifetime measurementThe correlation between the microstructure and the passivation performance was revealed.According to the above findings, the a-Si:H passivation performance was optimized more elaborately.

Keywords： PECVD     high pressure and high power     a-Si:H microstructure     passivation     heterojunction solar cell    

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High frequency group pulse electrochemical machining

WU Gaoyang, ZHANG Zhijing, ZHANG Weimin, TANG Xinglun

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 293-296 doi: 10.1007/s11465-007-0051-5

Abstract: HGPECM can greatly improve the characteristics of the inter-electrode gap flow field, reduce electrode passivation

Keywords： HGPECM     process     machining quality     passivation     inter-electrode    

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Sodium Nitrate Passivation as a Novel Insulation Technology for Soft Magnetic Composites Article

Mi Yan, Qiming Chen, Dong Liu, Chen Wu, Jian Wang

Engineering 2023, Volume 20, Issue 1,   Pages 134-142 doi: 10.1016/j.eng.2022.01.016

Abstract:

 Sodium nitrate passivation has been developed as a new insulation technology for the productionUnder tuned passivation conditions, optimal performance with an effective permeability of 97.2 and a

Keywords： Soft magnetic composites     Surface passivation     Insulation technology     Growth mechanism     Magnetic performance    

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Application of electrochemical depassivation in PRB systems to recovery Fe

Xin LU, Miao LI, Hao DENG, Pengfei LIN, Mark R. MATSUMOTO, Xiang LIU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0843-0

Abstract: Utilizing electrochemical depassivation to recovery Fe activity was effective, and minerals were cleaned layer by layer, with no ions secondary contamination, and no transformation from Cr(III) to Cr(VI). Electrochemical depassivation process under various electrolysis conditions was revealed. Electro-PRB configuration for caisson excavation construction technique was designed. Permeable reactive barriers (PRBs) show remarkable Cr(VI) removal performance. However, the diminished removal rate because of mineral fouling over time is the bottleneck for application of PRBs. The present study demonstrated that electrochemical depassivation was effective for recovering the Fe reactivity, and minerals can be cleaned layer by layer with no secondary ion contamination and no transformation from Cr(III) to Cr(VI). The removal recovery rate increased with increasing electrolysis voltage before reaching the optimal electrolysis voltage, and then decreased as the electrolysis voltage further increased. The recovery effect at electrolysis voltages of 5, 10, and 15 V show the same trend as a function of electrolysis time, where recovery rate first increased and then decreased after reaching the optimal electrolysis time. The Cr(VI) removal rate significantly decreased with increasing electrolysis distance. Furthermore, Fe brush meshes electrode, Fe fillings, and polyvinyl chloride (PVC) meshes separators were combined to create an Electro-PRB configuration for the caisson excavation construction technique, which lays the foundation for establishment of promising Electro-PRB systems to treat Cr(VI)-contaminated groundwater.

Keywords： PRB     Cr(VI)     Fe     Passivation     Electrochemical depassivation    

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Impact of thermal processes on multi-crystalline silicon

Moonyong KIM,Phillip HAMER,Hongzhao LI,David PAYNE,Stuart WENHAM,Malcolm ABBOTT,Brett HALLAM

Frontiers in Energy 2017, Volume 11, Issue 1,   Pages 32-41 doi: 10.1007/s11708-016-0427-5

Abstract: Thermal oxidations could greatly improve surface passivation in the intra-grain regions, with the highertemperatures yielding the highest quality surface passivation.effectiveness of gettering, or due to the presence of a thicker oxide layer, which may interrupt hydrogen passivation

Keywords： gettering     grain boundaries     hydrogen     impurities     oxidation     passivation     solar cell    

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An industrial solution to light-induced degradation of crystalline silicon solar cells

Meng XIE,Changrui REN,Liming FU,Xiaodong QIU,Xuegong YU,Deren YANG

Frontiers in Energy 2017, Volume 11, Issue 1,   Pages 67-71 doi: 10.1007/s11708-016-0430-x

Abstract: In this contribution, we have demonstrated that the passivation process of boron-oxygen defects can beWe have used this strategy to trigger the passivation process of batches of aluminum back surface field

Keywords： Boron-oxygen defects     c-Si solar cells     light-induced degradation     passivation     forward bias    

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Improved Oxygen Evolution Kinetics and Surface States Passivation of Ni-Bi Co-Catalyst for Letter

Ke Dang,Tuo Wang,Chengcheng Li,Jijie Zhang,Shanshan Liu,Jinlong Gong

Engineering 2017, Volume 3, Issue 3,   Pages 285-289 doi: 10.1016/J.ENG.2017.03.005

Abstract:

This paper describes the combinational surface kinetics enhancement and surface states passivation

Keywords： Nickel-borate     Hematite     Oxygen evolution reaction     Co-catalyst    

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Title Author Date Type Operation

EFFECT OF EXOGENOUS ADDITIVES ON HEAVY METAL PASSIVATION AND NITROGEN RETENTION IN PIG MANURE COMPOSTING

Journal Article

SiO2 passivation layer grown by liquid phase deposition for silicon solar cell application

Yanlin CHEN,Sihua ZHONG,Miao TAN,Wenzhong SHEN

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

Plasma enhanced chemical vapor deposition of excellent a-Si:H passivation layers for a-Si:H/c-Si heterojunction

Lei ZHAO,Wenbin ZHANG,Jingwei CHEN,Hongwei DIAO,Qi WANG,Wenjing WANG

Journal Article

High frequency group pulse electrochemical machining

WU Gaoyang, ZHANG Zhijing, ZHANG Weimin, TANG Xinglun

Journal Article

Sodium Nitrate Passivation as a Novel Insulation Technology for Soft Magnetic Composites

Mi Yan, Qiming Chen, Dong Liu, Chen Wu, Jian Wang

Journal Article

Application of electrochemical depassivation in PRB systems to recovery Fe

Xin LU, Miao LI, Hao DENG, Pengfei LIN, Mark R. MATSUMOTO, Xiang LIU

Journal Article

Impact of thermal processes on multi-crystalline silicon

Moonyong KIM,Phillip HAMER,Hongzhao LI,David PAYNE,Stuart WENHAM,Malcolm ABBOTT,Brett HALLAM

Journal Article

An industrial solution to light-induced degradation of crystalline silicon solar cells

Meng XIE,Changrui REN,Liming FU,Xiaodong QIU,Xuegong YU,Deren YANG

Journal Article

Improved Oxygen Evolution Kinetics and Surface States Passivation of Ni-Bi Co-Catalyst for

Ke Dang,Tuo Wang,Chengcheng Li,Jijie Zhang,Shanshan Liu,Jinlong Gong

Journal Article