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Dive into the research topics where Qingqing Ke is active.

Publication


Featured researches published by Qingqing Ke.


Physical Review B | 2010

Oxygen-vacancy-related relaxation and scaling behaviors of Bi 0.9 La 0.1 Fe 0.98 Mg 0.02 O 3 ferroelectric thin films

Qingqing Ke; Xiaojie Lou; Yang Wang; John Wang

Oxygen-vacancies-related dielectric relaxation and scaling behaviors of


Advanced Materials | 2016

A Flexible Quasi‐Solid‐State Nickel–Zinc Battery with High Energy and Power Densities Based on 3D Electrode Design

Jinping Liu; Cao Guan; Cheng Zhou; Zhen Fan; Qingqing Ke; Guozhen Zhang; Chang Liu; John Wang

{\text{Bi}}_{0.9}{\text{La}}_{0.1}{\text{Fe}}_{0.98}{\text{Mg}}_{0.02}{\text{O}}_{3}


Advanced Materials | 2017

Surface‐Charge‐Mediated Formation of H‐TiO2@Ni(OH)2 Heterostructures for High‐Performance Supercapacitors

Qingqing Ke; Cao Guan; Xiao Zhang; Minrui Zheng; Yong-Wei Zhang; Yongqing Cai; Hua Zhang; John Wang

(BLFM) thin film have been investigated by temperature-dependent impedance spectroscopy from


Journal of Materials Chemistry | 2014

Effects of nitrogen doping on supercapacitor performance of a mesoporous carbon electrode produced by a hydrothermal soft-templating process

Yating Hu; Huajun Liu; Qingqing Ke; John Wang

40\text{ }\ifmmode^\circ\else\textdegree\fi{}\text{C}


Scientific Reports | 2015

3D TiO2@Ni(OH)2 Core-shell Arrays with Tunable Nanostructure for Hybrid Supercapacitor Application.

Qingqing Ke; Minrui Zheng; Huajun Liu; Cao Guan; Lu Mao; John Wang

up to


Materials Research Express | 2014

Intercalating graphene with clusters of Fe3O4 nanocrystals for electrochemical supercapacitors

Qingqing Ke; Chunhua Tang; Yanqiong Liu; Huajun Liu; John Wang

200\text{ }\ifmmode^\circ\else\textdegree\fi{}\text{C}


RSC Advances | 2014

Surfactant-modified chemically reduced graphene oxide for electrochemical supercapacitors

Qingqing Ke; Yanqiong Liu; Huajun Liu; Yu Zhang; Yating Hu; John Wang

. We found that hopping electrons and single-charged oxygen vacancies


RSC Advances | 2015

Activation of sucrose-derived carbon spheres for high-performance supercapacitor electrodes†

Lu Mao; Yu Zhang; Yating Hu; Kuan Hung Ho; Qingqing Ke; Huajun Liu; Zhigang Hu; Dan Zhao; John Wang

({V}_{\text{O}}^{\ifmmode\bullet\else\textbullet\fi{}})


Applied Physics Letters | 2012

Origin of the enhanced polarization in La and Mg co-substituted BiFeO3 thin film during the fatigue process

Qingqing Ke; Amit Kumar; Xiaojie Lou; Kaiyang Zeng; John Wang

coexist in the BLFM thin film and make contribution to dielectric response of grain and grain boundary, respectively. The activation energy for


ACS Applied Materials & Interfaces | 2015

Stable ferroelectric perovskite structure with giant axial ratio and polarization in epitaxial BiFe0.6Ga0.4O3 thin films.

Zhen Fan; Juanxiu Xiao; Huajun Liu; Ping Yang; Qingqing Ke; Wei Ji; Kui Yao; Khuong P. Ong; Kaiyang Zeng; John Wang

{V}_{\text{O}}^{\ifmmode\bullet\else\textbullet\fi{}}

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Dive into the Qingqing Ke's collaboration.

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John Wang

National University of Singapore

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Yating Hu

National University of Singapore

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Cao Guan

National University of Singapore

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Huajun Liu

National University of Singapore

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Kaiyang Zeng

National University of Singapore

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Lu Mao

National University of Singapore

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Xiaojie Lou

Xi'an Jiaotong University

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Kuan Hung Ho

National University of Singapore

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Minrui Zheng

National University of Singapore

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