Now showing items 1-13 of 13

    • A facile approach to tailor electrocatalytic properties of MnO2 through tuning phase transition, surface morphology and band structure 

      Zhou, Yingze; Zhou, Zizhen; Hu, Long; Tian, Ruoming; Wang, Yuan; Arandiyan, Hamidreza; Chen, Fandi; Li, Mengyao; Wan, Tao; Han, Zhaojun; Ma, Zhipeng; Lu, Xunyu; Cazorla Silva, Claudio; Wu, Tom; Chu, Dewei (Elsevier, 2022-06-15)
      Article
      Open Access
      The structural and electronic properties of MnO2 based electrocatalysts are key factors determining their electrochemical performance. To date, it is still challenging to synergistically tune the crystal structure, morphology, ...
    • Boosting moisture induced electricity generation from graphene oxide through engineering oxygen-based functional groups 

      Zhu, Renbo; Zhu, Yanzhe; Chen, Fandi; Patterson, Robert; Zhou, Yingze; Wan, Tao; Hu, Long; Wu, Tom; Joshi, Rakesh; Li, Mengyao; Cazorla Silva, Claudio; Lu, Yuerui; Han, Zhaojun; Chu, Dewei (2022-04-01)
      Article
      Open Access
      Harvesting energy from ubiquitous moisture is attracting growing interest for directly powering electronic devices. However, it is still challenging to fabricate high-performing moisture-electric generators (MEGs) with ...
    • Doping-mediated stabilization of copper vacancies to promote thermoelectric properties of Cu2-xS 

      Zhang, Yu; Xing, Congcong; Liu, Yu; Spadaro, Maria Chiara; Wang, Xiang; Li, Mengyao; Xiao, Ke; Zhang, Ting; Guardia Girós, Pablo; Lim, Khak Ho; Moghaddam, Ahmad Ostovari; Llorca Piqué, Jordi; Arbiol Cobos, Jordi; Ibánez, María; Cabot Codina, Andreu (2021-07-01)
      Article
      Open Access
      Copper chalcogenides are outstanding thermoelectric materials for applications in the medium-high temperature range. Among different chalcogenides, while Cu2-xSe is characterized by higher thermoelectric figures of merit, ...
    • Effect of the annealing atmosphere on crystal phase and thermoelectric properties of copper sulfide 

      Li, Mengyao; Liu, Yu; Zhang, Yu; Han, Xu; Zhang, Ting; Zuo, Yong; Xie, Chenyang; Arbiol, Jordi; Llorca Piqué, Jordi; Liu, Junfeng; Cabot, Andreu (American Chemical Society, 2021-03-01)
      Article
      Open Access
      Cu2–xS has become one of the most promising thermoelectric materials for application in the middle-high temperature range. Its advantages include the abundance, low cost, and safety of its elements and a high performance ...
    • Engineering of thermoelectric composites based on silver selenide in aqueous solution and ambient temperature 

      Nan, Bingfei; Li, Mengyao; Zhang, Yu; Xiao, Ke; Lim, Khak Ho; Chang, Cheng; Han, Xu; Zuo, Yong; Li, Junshan; Arbiol Cobos, Jordi; Llorca Piqué, Jordi; Ibánez, María; Cabot, Andreu (American Chemical Society (ACS), 2023-05-01)
      Article
      Open Access
      The direct, solid state, and reversible conversion between heat and electricity using thermoelectric devices finds numerous potential uses, especially around room temperature. However, the relatively high material processing ...
    • Enhanced thermoelectric performance of n-type bi2se3 nanosheets through sn doping 

      Li, Mengyao; Zhang, Yu; Zhang, Ting; Zuo, Yong; Xiao, Ke; Arbiol, Jordi; Llorca Piqué, Jordi; Liu, Yu; Cabot, Andreu (2021-07-14)
      Article
      Open Access
      The cost-effective conversion of low-grade heat into electricity using thermoelectric devices requires developing alternative materials and material processing technologies able to reduce the currently high device manufacturing ...
    • Enhancing cyclic and in-air stability of Ni-Rich cathodes through perovskite oxide surface coating 

      Guan, Peiyuan; Zhu, Yanzhe; Li, Mengyao; Zeng, Tianyi; Li, Xiaowei; Tian, Ruoming; Sharma, Neeraj; Xu, Zhemi; Wan, Tao; Hu, Long; Liu, Yunjian; Cazorla Silva, Claudio; Chu, Dewei (Elsevier, 2022-12-15)
      Article
      Open Access
      Ni-rich layered oxides, such as LiNi0.8Co0.1Mn0.1O2 (NCM811), are promising cathode materials for high-energy lithium-ion batteries. However, the relatively high reactivity of Ni in NCM811 cathodes results in severe capacity ...
    • Hydrazine hydrate intercalated 1T-dominant MoS2 with superior ambient stability for highly efficient electrocatalytic applications 

      Li, Mengyao; Zhou, Zizhen; Hu, Long; Wang, Shuangyue; Zhou, Yingze; Zhu, Renbo; Chu, Xueze; Vinu, Ajayan; Wan, Tao; Cazorla Silva, Claudio; Yi, Jiabao; Chu, Dewei (2022-04-01)
      Article
      Open Access
      Metallic 1T-phase MoS2 exhibits superior hydrogen evolution reaction (HER) performance than natural 2H-phase MoS2 owing to its higher electrical conductivity and abundance of active sites. However, the reported 1T-MoS2 ...
    • Lab free protein-based moisture electric generators with a high electric output 

      Zhu, Renbo; Zhu, Yanzhe; Hu, Long; Guan, Peiyuan; Su, Dawei; Zhang, Shuo; Liu, Chao; Feng, Ziheng; Hu, Guangyu; Chen, Fandi; Wan, Tao; Guan, Xinwei; Wu, Tom; Joshi, Rakesh; Li, Mengyao; Cazorla Silva, Claudio (2023-03-30)
      Article
      Open Access
      Moisture-electric generators (MEGs), harvesting ubiquitous moisture from the environment for electricity generation, have attracted great interest as power supply devices. However, there are great challenges associated ...
    • NbSe2 meets C2N: a 2D-2D heterostructure catalysts as multifunctional polysulfide mediator in ultra-long-life lithium–sulfur batteries 

      Yang, Dawei; Liang, Zhifu; Zhang, Chaoqi; Jacas Biendicho, Jordi; Spadaro, Maria Chiara; Li, Mengyao; Moghaddam, Ahmad Ostovari; Llorca Piqué, Jordi; Morante Lleonart, Joan Ramon; Arbiol, Jordi; Cabot, Andreu (2021-09-23)
      Article
      Open Access
      The shuttle effect and sluggish conversion kinetics of lithium polysulfides (LiPS) hamper the practical application of lithium–sulfur batteries (LSBs). Toward overcoming these limitations, herein an in situ grown C2N@NbSe2 ...
    • PbS-Pb-Cu xS Composites for Thermoelectric Application 

      Li, Mengyao; Liu, Yu; Zhang, Yu; Han, Xu; Xiao, Ke; Nabahat, Mehran; Arbiol, Jordi; Llorca Piqué, Jordi; Alzate Ibáñez, Angélica María; Cabot, Andreu (2021-10-19)
      Article
      Open Access
      Composite materials offer numerous advantages in a wide range of applications, including thermoelectrics. Here, semiconductor-metal composites are produced by just blending nanoparticles of a sulfide semiconductor obtained ...
    • Perovskite quantum dot solar cells fabricated from recycled lead-acid battery waste 

      Hu, Long; Li, Qingya; Yao, Yuchen; Zeng, Qiang; Zhou, Zizhen; Cazorla Silva, Claudio; Wan, Tao; Guan, Xinwei; Huang, Jing-Kai; Lin, Chun-Ho; Li, Mengyao; Cheong, Soshan; Tilley, Richard D.; Chu, Dewei; Yuan, Jianyu; Huang, Shujuan; Wu, Tom; Liu, Fangyang (American Chemical Society, 2021-12-06)
      Article
      Open Access
      A cost-effective and environmentally friendly Pb source is a prerequisite for achieving large-scale, low-cost perovskite photovoltaic devices. Currently, the commonly used method to prepare the lead source is based on a ...
    • Phase engineering of defective copper selenide toward robust lithium-sulfur batteries 

      Yang, Dawei; Li, Mengyao; Zheng, Xuejiao; Han, Xu; Zhang, Chaoqi; Jacas Biendicho, Jordi; Llorca Piqué, Jordi; Wang, Jiaao; Hao, Hongchang; Li, Junshan; Henkelman, Graeme; Arbiol, Jordi; Morante, Joan Ramon; Mitlin, David; Chou, Shu-Lei; Cabot, Andreu (American Chemical Society, 2022-06-27)
      Article
      Open Access
      The shuttling of soluble lithium polysulfides (LiPS) and the sluggish Li–S conversion kinetics are two main barriers toward the practical application of lithium–sulfur batteries (LSBs). Herein, we propose the addition of ...