Volume 12

Issue 09,2019

(45 articles)


Jinfeng Yang1,2,§, Min Zhang1,3,§, Zheng Chen1, Xiaofan Du1, Suqi Huang1,3, Ben Tang1,2, Tiantian Dong1, Han Wu1, Zhe Yu1, Jianjun Zhang1 (*), and Guanglei Cui1 (*)

The as-obtained flame-retardant quasi-solid polymer electrolyte is consisted of P(MVE-alt-MA) as host, bacterial cellulose as reinforcement, and TEP/ VC/NaClO4 as plasticizer, which endows Na3V2(PO4)3/Na metal batteries with superior long-term cycling stability.
2019, 12(9): 2230–2237
Published: 28 March 2019

Hyeseung Chung1, Antonin Grenier2, Ricky Huang1, Xuefeng Wang1, Zachary Lebens-Higgins3, Jean-Marie Doux1, Shawn Sallis4, Chengyu Song5, Peter Ercius5, Karena Chapman2, Louis F. J. Piper3, Hyung-Man Cho1, Minghao Zhang1 (*), and Ying Shirley Meng1 (*)

A novel polyol synthesis method has been developed for layered LiNi0.4Mn0.4Co0.2O2(NMC), spinel LiNi0.5Mn1.5O4(LNMO), and olivine LiCoPO4(LCP) cathode materials. Reaction mechanism has been studied in detail with combination of in situ and ex situ techniques.
2019, 12(9): 2238–2249
Published: 8 August 2019

Jiahui Zhu1, Zhi Chen1, Lin Jia2, Yuqi Lu1, Xiangru Wei1, Xiaoning Wang1, Winston Duo Wu1, Na Han2, Yanguang Li2 (*), and Zhangxiong Wu1 (*)

Ordered mesoporous transitional metal sulfide@N-doped carbon composites with ultrahigh surface areas, unique chemical stoichiometries and variable nanoarchitectures are synthesized by using a solvent-free nanocasting approach. The structure evolution over the synthesis process is depicted. The obtained materials are promising for electrochemical applications.
2019, 12(9): 2250–2258
Published: 26 January 2019

Yanan Chen1,§, Shaomao Xu1,§, Shuze Zhu2,§, Rohit Jiji Jacob3, Glenn Pastel1, Yanbin Wang1, Yiju Li1, Jiaqi Dai1, Fengjuan Chen1, Hua Xie1, Boyang Liu1, Yonggang Yao1, Lourdes G. Salamanca-Riba1, Michael R. Zachariah3, Teng Li2, and Liangbing Hu1 (*)

This work reports an ultrafast (~7 ms), in-situ synthesis technique for transition metal chalcogenides@ultrathin graphene core-shell electrocatalyst assisted by high temperature treatment. It is demonstrated that the cobalt sulfide (~20 nm in diameter)@ultrathin graphene (~2 nm in thickness) core-shell nanoparticles embedded in RGO nanosheets exhibit remarkable bifunctional electrocatalytic activity and stability for overall water splitting.
2019, 12(9): 2259–2267
Published: 22 February 2019

Yihe Wang, Lei Zhang, Congling Hu, Shengnan Yu, Piaoping Yang, Dongfang Cheng, Zhi-Jian Zhao, and Jinlong Gong1 (*)

This paper describes the fabrication of bilayer Pd-Pt nanocages by etching away the Pd templates of multishelled nanocubes. These nanocages with high dispersion of the active atoms reduce hydrogen evolution reaction (HER) overpotentials and maintain long-term stability.
2019, 12(9): 2268–2274
Published: 7 March 2019

Marc Ledendecker1,§ (*), Simon Geiger1,§, Katharina Hengge1, Joohyun Lim1, Serhiy Cherevko3, Andrea M. Mingers1, Daniel Ghl1, Guilherme V. Fortunato1,5, Daniel Jalalpoor2, Ferdi Schüth2, Christina Scheu1, Karl J. J. Mayrhofer1,3,4 (*)

Strategies how to obtain stable and active catalysts with maximized iridium utilization for the oxygen evolution reaction are discussed.
2019, 12(9): 2275–2280
Published: 28 March 2019

Lulu Han1, Limin Guo2,3 (*), Chaoqun Dong1, Chi Zhang4, Hui Gao1, Jiazheng Niu1, Zhangquan Peng3,4 (*), and Zhonghua Zhang1,4 (*)

CoFeNi-O with hierarchical bimodal channel structure was prepared via dealloying and it shows superior performance for OER/HER with extremely low overpotentials. Overall water splitting is featured with a low voltage of 1.558 V@10 mA·cm−2 for 25 h. Catalytic performance was enhanced because of the Co-Fe-Ni alloying effect and metallic Ni residual.
2019, 12(9): 2281–2287
Published: 2 April 2019

Michaela Burke Stevens1,§, Lisa J. Enman1,§, Ester Hamal Korkus2, Jeremie Zaffran2, Christina D. M. Trang1, James Asbury1, Matthew G. Kast1, Maytal Caspary Toroker2 (*), and Shannon W. Boettcher1 (*)

The electronic/electrochemical properties and activity of ternary Co-Ni-Fe oxyhydroxide oxygen evolution electrocatalysts are shown to be tunable based on composition. The addition of Co to Ni oxyhydroxide shifts the onset of electrical conductivity to more-negative potentials while the addition of Fe dramatically enhances activity. Calculations further show strong electronic hybridization between all the metal cations and oxygen at the valence band edge.
2019, 12(9): 2288–2295
Published: 13 April 2019

Junchi Wu1,§, Yuqiao Guo1,§, Haifeng Liu3, Jiyin Zhao1, Haodong Zhou1, Wangsheng Chu2, and Changzheng Wu1 (*)

Ligancy engineering of perovskite electrocatalyst with ordered oxygen vacancies and excellent electric conductivity accelerates electrochemical evolution of O2 in alkaline solution.
2019, 12(9): 2296–2301
Published: 25 April 2019

Qixian Xie§, Daojin Zhou§, Pengsong Li, Zhao Cai, Tianhui Xie, Tengfei Gao, Ruida Chen, Yun Kuang (*), and Xiaoming Sun (*)

Superaerophobic nanoarray electrodes have shown their advantage in bubble releasing behavior in various gas evolution reactions. Herein we introduce cationic surfactants on the electrode surface to further enhance the water splitting performance, which pave a new way for better electrolysis system design.
2019, 12(9): 2302–2306
Published: 10 May 2019