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Comparison on End-of-Life strategies of WEEE in China based on LCA

Bin Lu, Xiaolong Song, Jianxin Yang, Dong Yang

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 5, doi: 10.1007/s11783-017-0994-7

Abstract: It becomes an urgent issue to develop and adopt an effective End-of-Life (EoL) strategy for EEE in orderEoL strategies for EEE in China need to be evaluated in environment and resources aspects from the lifeLife Cycle Assessment (LCA) is applied to assess the environmental impacts of different EoL scenarios

Keywords： End-of-Life     Waste electrical and electronic equipment     Life cycle assessment     Reuse    

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End-of-life batteries management and material flow analysis in South Korea

Hyunhee Kim, Yong-Chul Jang, Yeonjung Hwang, Youngjae Ko, Hyunmyeong Yun

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 3, doi: 10.1007/s11783-018-1019-x

Abstract: As a result, large amounts of end-of-life (EOL) or waste batteries are generated.compared to other countries, although an extended producer responsibility (EPR) policy was adopted for batterypresented to determine potential problems and quantitative flow, based on literature review, site visits to batteryrecycling facilities, and interviews with experts in the Korea Battery Recycling Association (KBRA),

Keywords： End-of-life battery     Recycling     Material flow analysis (MFA)     Extended producer responsibility (EPR)     Resource    

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Analysis and Countermeasures for the Status Quo of the Recycling and Utilization of End-of-Life Vehicles

Chen Yuanhua,Yang Yanping,Hu Shuhan,Xie Linming,Yang Yang,Huang Wei and Chen Zhilin

Strategic Study of CAE 2018, Volume 20, Issue 1,   Pages 113-119 doi: 10.15302/J-SSCAE-2018.01.016

Abstract:

This work discusses the importance of improving the recycling and utilization of end-of-life vehiclesIt then analyzes the situation of recycling and utilizing end-of-life vehicles by using the recycle rateof end-of-life vehicles and their dismantling ability, as well as the administrative regulations andanalysis, we propose an ecologically beneficial evaluation model for the recycling and utilization of end-of-life

Keywords： end-of-life vehicles     recycling     countermeasures     evaluation model    

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Upgrading pyrolytic carbon-blacks (CBp) from end-of-life tires: Characteristics and modification methodologies

Jiaxue Yu, Junqing Xu, Zhenchen Li, Wenzhi He, Juwen Huang, Junshi Xu, Guangming Li

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 2, doi: 10.1007/s11783-019-1198-0

Abstract: Over 1 billion end-of-life tires (ELTs) are generating annually, and 4 billion ELTs are currently abandoned

Keywords： Pyrolysis carbon-blacks     CBp     Post-pyrolysis     Demineralization     Surface modification    

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Mapping the trends and prospects of battery cathode materials based on patent landscape

Frontiers in Energy   Pages 822-832 doi: 10.1007/s11708-023-0900-x

Abstract: portable electronics and electric vehicles is heavily dependent on the cutting-edge lithium-ion (Li-ion) batteryprospects of cathode materials based on patent analysis is considered a kernel to optimize and refine batterycomprehensively considering performance comparison, development trend, annual installed capacity, technology lifeIn the technology life cycle, the cathode materials majorly used in electric vehicle have entered maturityThis paper is expected to stimulate battery research, understand technical layout of various countries

Keywords： patent analysis     cathode     batteries     technology life cycle    

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Electrochemistry during efficient copper recovery from complex electronic waste using ammonia based solutions

Zhi Sun, Hongbin Cao, Prakash Venkatesan, Wei Jin, Yanping Xiao, Jilt Sietsma, Yongxiang Yang

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 308-316 doi: 10.1007/s11705-016-1587-x

Abstract: Leaching selectivity during metal recovery from complex electronic waste using a hydrochemical process is always one of the generic issues. It was recently improved by using ammonia-based leaching process, specifically for electronic waste enriched with copper. This research proposes electrodeposition as the subsequent approach to effectively recover copper from the solutions after selective leaching of the electronic waste and focuses on recognising the electrochemical features of copper recovery. The electrochemical reactions were investigated by considering the effects of copper concentration, scan rate and ammonium salts. The diffusion coefficient, charge transfer coefficient and heterogeneous reaction constant of the electrodeposition process were evaluated in accordance with different solution conditions. The results have shown that electrochemical recovery of copper from ammonia-based solution under the conditions of selective electronic waste treatment is charge transfer controlled and provide bases to correlate the kinetic parameters with further optimisation of the selective recovery of metals from electronic waste.

Keywords： copper recovery     electronic waste     end-of-life products     selective leaching     electrodeposition    

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Full lifetime cost analysis of battery, plug-in hybrid and FCEVs in China in the near future

Zhihua CAI, Xunmin OU, Qian ZHANG, Xiliang ZHANG

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 107-111 doi: 10.1007/s11708-012-0182-1

Abstract: This paper analyzes the full lifetime cost of battery electric vehicles (BEVs), plug-in hybrid electric

Keywords： electric vehicle (EV)     life time cost     China    

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Topology-independent end-to-end learning model for improving the voltage profile in microgrids-integrated

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 211-227 doi: 10.1007/s11708-022-0847-3

Abstract: studies that realize topology identification and decision-making optimization in sequence, the proposed end-to-endIn particular, the generator in SCAN is trained by the core modules in sequence so as to form an end-to-end

Keywords： end-to-end learning     microgrids     voltage profile improvement     generative adversarial network    

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Consolidating Bus Charger Deployment and Fleet Management for Public Transit Electrification: A Life-Cycle Article

Ziling Zeng, Shuaian Wang, Xiaobo Qu

Engineering 2023, Volume 21, Issue 2,   Pages 45-60 doi: 10.1016/j.eng.2022.07.019

Abstract:  nascent EB system are first reviewed, including charging  station  deployment, batterysizing, bus scheduling, and life-cycle analysis.model to consolidate charging station deployment and bus fleet management with the lowest possible life-cycleThe proposed research not only performs life-cycle analysis but also provides transport authorities

Keywords： Electric bus     Charging station deployment     Battery sizing     Bus scheduling     Life-cycle analysis    

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A brief review on key technologies in the battery management system of electric vehicles

Kailong LIU, Kang LI, Qiao PENG, Cheng ZHANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 1,   Pages 47-64 doi: 10.1007/s11465-018-0516-8

Abstract: high-power applications, such as electric vehicles (EVs) and hybrid electric vehicles, where a suitable batteryThis paper aims to give a brief review on several key technologies of BMS, including battery modelling, state estimation and battery charging.Various battery models, including the electric model, thermal model and coupled electro-thermal modelThen, battery state estimations for the state of charge, state of health and internal temperature are

Keywords： battery management system     battery modelling     battery state estimation     battery charging    

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Efficient decoding self-attention for end-to-end speech synthesis Research Article

Wei ZHAO, Li XU

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 7,   Pages 1127-1138 doi: 10.1631/FITEE.2100501

Abstract: has been innovatively applied to text-to-speech (TTS) because of its parallel structure and superior strength in modeling sequential data. However, when used in with an autoregressive decoding scheme, its inference speed becomes relatively low due to the quadratic complexity in sequence length. This problem becomes particularly severe on devices without graphics processing units (GPUs). To alleviate the dilemma, we propose an (EDSA) module as an alternative. Combined with a dynamic programming decoding procedure, TTS model inference can be effectively accelerated to have a linear computation complexity. We conduct studies on Mandarin and English datasets and find that our proposed model with EDSA can achieve 720% and 50% higher inference speed on the central processing unit (CPU) and GPU respectively, with almost the same performance. Thus, this method may make the deployment of such models easier when there are limited GPU resources. In addition, our model may perform better than the baseline Transformer TTS on out-of-domain utterances.

Keywords： Efficient decoding     End-to-end     Self-attention     Speech synthesis    

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Powertrain control of a solar photovoltaic-battery powered hybrid electric vehicle

P. PADMAGIRISAN, V. SANKARANARAYANAN

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 296-306 doi: 10.1007/s11708-018-0605-8

Abstract: This paper proposes a powertrain controller for a solar photovoltaic battery powered hybrid electricThe main objective of the proposed controller is to ensure better battery management, load regulationlower level controllers are designed to perform individual tasks such as maximum power point tracking, batterypoint tracking algorithm is used for extracting maximum power from solar photovoltaic panels while the batterybased on different operating conditions such as high state of charge, low state of charge, maximum battery

Keywords： battery management system     hybrid electric vehicles (HEVs)     maximum power point tracking (MPPT)     solar photovoltaic    

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Performance of iron-air battery with iron nanoparticle-encapsulated C–N composite electrode

Frontiers in Energy doi: 10.1007/s11708-023-0913-5

Abstract: Highly efficient and stable iron electrodes are of great significant to the development of iron-air batteryThe effects of different discharging/charging current densities and electrolytes on the battery performance/sub>SO4 electrolyte can effectively suppress the passivation of iron electrode, and the batteryCompared to the pure nano-iron (NanoFe) battery, the NanoFe@CN battery has a more stable cycling stability

Keywords： energy storage and conversion     metallic composites     nanocomposites     iron-air battery     iron anode    

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Challenges and Thoughts on the Development of Sodium Battery Technology for Energy Storage

Hu Yingying, Wu Xiangwei, Wen Zhaoyin, Hou Ming, Yi Baolian

Strategic Study of CAE 2021, Volume 23, Issue 5,   Pages 94-102 doi: 10.15302/J-SSCAE-2021.05.013

Abstract: The sodium battery technology is considered as one of the most promising grid-scale energy storage technologiesIn this article, we highlight the technical advantages and application scenarios of typical sodium batteryMoreover, we propose the possible development directions of sodium battery technology in China.These aim to improve the R&D level and technology maturity of China’s sodium battery technologies

Keywords： electrochemical energy storage     sodium battery     sodium-sulfur battery     sodium-metal chloride battery     ZEBRAbattery    

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Development and application of high-end aerospace MEMS

Weizheng YUAN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 4,   Pages 567-573 doi: 10.1007/s11465-017-0424-3

Abstract:

This paper introduces the design and manufacturing technology of aerospace microelectromechanical systems (MEMS) characterized by high performance, multi-variety, and small batch. Moreover, several kinds of special MEMS devices with high precision, high reliability, and environmental adaptability, as well as their typical applications in the fields of aeronautics and aerospace, are presented.

Keywords： MEMS     design and manufacture technology     aeronautic and aerospace    

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Title Author Date Type Operation

Comparison on End-of-Life strategies of WEEE in China based on LCA

Bin Lu, Xiaolong Song, Jianxin Yang, Dong Yang

Journal Article

End-of-life batteries management and material flow analysis in South Korea

Hyunhee Kim, Yong-Chul Jang, Yeonjung Hwang, Youngjae Ko, Hyunmyeong Yun

Journal Article

Analysis and Countermeasures for the Status Quo of the Recycling and Utilization of End-of-Life Vehicles

Chen Yuanhua,Yang Yanping,Hu Shuhan,Xie Linming,Yang Yang,Huang Wei and Chen Zhilin

Journal Article

Upgrading pyrolytic carbon-blacks (CBp) from end-of-life tires: Characteristics and modification methodologies

Jiaxue Yu, Junqing Xu, Zhenchen Li, Wenzhi He, Juwen Huang, Junshi Xu, Guangming Li

Journal Article

Mapping the trends and prospects of battery cathode materials based on patent landscape

Journal Article

Electrochemistry during efficient copper recovery from complex electronic waste using ammonia based solutions

Zhi Sun, Hongbin Cao, Prakash Venkatesan, Wei Jin, Yanping Xiao, Jilt Sietsma, Yongxiang Yang

Journal Article

Full lifetime cost analysis of battery, plug-in hybrid and FCEVs in China in the near future

Zhihua CAI, Xunmin OU, Qian ZHANG, Xiliang ZHANG

Journal Article

Topology-independent end-to-end learning model for improving the voltage profile in microgrids-integrated

Journal Article

Consolidating Bus Charger Deployment and Fleet Management for Public Transit Electrification: A Life-Cycle

Ziling Zeng, Shuaian Wang, Xiaobo Qu

Journal Article

A brief review on key technologies in the battery management system of electric vehicles

Kailong LIU, Kang LI, Qiao PENG, Cheng ZHANG

Journal Article

Efficient decoding self-attention for end-to-end speech synthesis

Wei ZHAO, Li XU

Journal Article

Powertrain control of a solar photovoltaic-battery powered hybrid electric vehicle

P. PADMAGIRISAN, V. SANKARANARAYANAN

Journal Article

Performance of iron-air battery with iron nanoparticle-encapsulated C–N composite electrode

Journal Article

Challenges and Thoughts on the Development of Sodium Battery Technology for Energy Storage

Hu Yingying, Wu Xiangwei, Wen Zhaoyin, Hou Ming, Yi Baolian

Journal Article

Development and application of high-end aerospace MEMS

Weizheng YUAN

Journal Article