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Browsing by Subject "lithium/sulfur battery"

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A free-standing sulfur/nitrogen-doped carbon nanotube electrode for high- performance lithium/sulfur batteries

Zhao, Yan; Yin, Fuxing; Zhang, Yongguang; Zhang, Chengwei; Mentbayeva, Almagul; Umirov, Nurzhan; Xie, Hongxian; Bakenov, Zhumabay (Nanoscale Research Letters a Springer Open Journal (2015), 2015-12)

A free-standing sulfur/nitrogen-doped carbon nanotube (S/N-CNT) composite prepared via a simple solution method was first studied as a cathode material for lithium/sulfur batteries. By taking advantage of the self-weavi ...
A free-standing sulfur/nitrogen-doped carbon nanotube electrode for high- performance lithium/sulfur batteries

Zhao, Yan; Yin, Fuxing; Zhang, Yongguang; Zhang, Chengwei; Mentbayeva, Almagul; Umirov, Nurzhan; Xie, Hongxian; Bakenov, Zhumabay (Nanoscale Research Letters., http://www.nanoscalereslett.com/content/10/1/450, 2015-11-19)

A free-standing sulfur/nitrogen-doped carbon nanotube (S/N-CNT) composite prepared via a simple solution method was first studied as a cathode material for lithium/sulfur batteries. By taking advantage of the self-weavi ...
A novel lithium/sulfur battery based on sulfur/graphene nanosheet composite cathode and gel polymer electrolyte

Zhang, Yongguang; Zhao, Yan; Bakenov, Zhumabay (Nanoscale Research Letters., http://www.nanoscalereslett.com/content/9/1/137, 2014)

A novel sulfur/graphene nanosheet (S/GNS) composite was prepared via a simple ball milling of sulfur with commercial multi-layer graphene nanosheet, followed by a heat treatment. High-resolution transmission and scanning ...
Biomass Waste Inspired Highly Porous Carbon for High Performance Lithium/Sulfur Batteries

Zhao, Yan; Ren, Jun; Tan, Taizhe; Babaa, Moulay-Rachid; Bakenov, Zhumabay; Liu, Ning; Zhang, Yongguang (MDPI, 2017-09-06)

The synthesis of highly porous carbon (HPC) materials from poplar catkin by KOH chemical activation and hydrothermal carbonization as a conductive additive to a lithium-sulfur cathode is reported. Elemental sulfur was ...
Carbon/sulfur composite cathodes for flexible lithium/sulfur batteries: status and prospects

Zhao, Yan; Zhang, Yongguang; Bakenova, Zagipa; Bakenov, Zhumabay (Frontiers in Energy Research., http://journal.frontiersin.org/article/10.3389/fenrg.2015.00002/abstract, 2015-02-02)

High specific energy and low cost flexible lithium/sulfur batteries have attracted significant attention as a promising power source to enable future flexible and wearable electronic devices. Here, we review recent ...
Three-Dimensional Hierarchical Porous Structure of PPy/Porous-Graphene to Encapsulate Polysulfides for Lithium/Sulfur Batteries

Zhang, Yongguang; Bakenov, Zhumabay (MDPI, 2018-08-09)

Herein, we demonstrate the fabrication of a three-dimensional (3D) polypyrrole-coatedporous graphene (PPy/PG) composite through in-situ polymerization of pyrrole monomer on PG surface. The PPy/PG displays a 3D hierarchical ...
Three-Dimensionally Hierarchical Graphene Based Aerogel Encapsulated Sulfur as Cathode for Lithium/Sulfur Batteries

Li, Haipeng; Sun, Liancheng; Wang, Zhuo; Zhang, Yongguang; Tan, Taizhe; Wang, Gongkai; Bakenov, Zhumabay (MDPI, 2018-01-26)

A simple and effective method was developed to obtain the electrode for lithium/sulfur (Li/S) batteries with high specific capacity and cycling durability via adopting an interconnected sulfur/activated carbon/graphene ...