共查询到20条相似文献,搜索用时 15 毫秒
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Weibo Hua Mingzhe Chen Bjrn Schwarz Michael Knapp Michael Bruns Juri Barthel Xiushan Yang Florian Sigel Raheleh Azmi Anatoliy Senyshyn Alkesandr Missiul Laura Simonelli Martin Etter Suning Wang Xiaoke Mu Andy Fiedler Joachim R. Binder Xiaodong Guo Shulei Chou Benhe Zhong Sylvio Indris Helmut Ehrenberg 《Liver Transplantation》2019,9(8)
As promising cathode materials, the lithium‐excess 3d‐transition‐metal layered oxides can deliver much higher capacities (>250 mAh g?1 at 0.1 C) than the current commercial layered oxide materials (≈180 mAh g?1 at 0.1 C) used in lithium ion batteries. Unfortunately, the original formation mechanism of these layered oxides during synthesis is not completely elucidated, that is, how is lithium and oxygen inserted into the matrix structure of the precursor during lithiation reaction? Here, a promising and practical method, a coprecipitation route followed by a microwave heating process, for controllable synthesis of cobalt‐free lithium‐excess layered compounds is reported. A series of the consistent results unambiguously confirms that oxygen atoms are successively incorporated into the precursor obtained by a coprecipitation process to maintain electroneutrality and to provide the coordination sites for inserted Li ions and transition metal cations via a high‐temperature lithiation. It is found that the electrochemical performances of the cathode materials are strongly related to the phase composition and preparation procedure. The monoclinic layered Li[Li0.2Ni0.2Mn0.6]O2 cathode materials with state‐of‐the‐art electrochemical performance and comparably high discharge capacities of 171 mAh g?1 at 10 C are obtained by microwave annealing at 750 °C for 2 h. 相似文献
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Li‐Ion Batteries: Multifunctional 0D–2D Ni2P Nanocrystals–Black Phosphorus Heterostructure (Adv. Energy Mater. 2/2017)
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Zhong‐Zhen Luo Yu Zhang Chaohua Zhang Hui Teng Tan Zhong Li Anas Abutaha Xing‐Long Wu Qihua Xiong Khiam Aik Khor Kedar Hippalgaonkar Jianwei Xu Huey Hoon Hng Qingyu Yan 《Liver Transplantation》2017,7(2)
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Lithium‐Oxygen Batteries: Stabilization of Li Metal Anode in DMSO‐Based Electrolytes via Optimization of Salt–Solvent Coordination for Li–O2 Batteries (Adv. Energy Mater. 14/2017)
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Bin Liu Wu Xu Pengfei Yan Sun Tai Kim Mark H. Engelhard Xiuliang Sun Donghai Mei Jaephil Cho Chong‐Min Wang Ji‐Guang Zhang 《Liver Transplantation》2017,7(14)
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Oxygen Reactions: Controlling the Active Sites of Sulfur‐Doped Carbon Nanotube–Graphene Nanolobes for Highly Efficient Oxygen Evolution and Reduction Catalysis (Adv. Energy Mater. 5/2016)
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Abdelhamid M. El‐Sawy Islam M. Mosa Dong Su Curtis J. Guild Syed Khalid Raymond Joesten James F. Rusling Steven L. Suib 《Liver Transplantation》2016,6(5)
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Electrocatalysts: Unraveling Geometrical Site Confinement in Highly Efficient Iron‐Doped Electrocatalysts toward Oxygen Evolution Reaction (Adv. Energy Mater. 7/2018)
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Sung‐Fu Hung Ying‐Ya Hsu Chia‐Jui Chang Chia‐Shuo Hsu Nian‐Tzu Suen Ting‐Shan Chan Hao Ming Chen 《Liver Transplantation》2018,8(7)
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MnPO4‐Coated Li‐NCM: MnPO4‐Coated Li(Ni0.4Co0.2Mn0.4)O2 for Lithium(‐Ion) Batteries with Outstanding Cycling Stability and Enhanced Lithiation Kinetics (Adv. Energy Mater. 27/2018)
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Zhen Chen Guk‐Tae Kim Dominic Bresser Thomas Diemant Jakob Asenbauer Sangsik Jeong Mark Copley Rolf Jürgen Behm Jianyi Lin Zexiang Shen Stefano Passerini 《Liver Transplantation》2018,8(27)
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Zinc‐Air Batteries: NiFe Layered Double Hydroxide Nanoparticles on Co,N‐Codoped Carbon Nanoframes as Efficient Bifunctional Catalysts for Rechargeable Zinc–Air Batteries (Adv. Energy Mater. 21/2017)
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Qing Wang Lu Shang Run Shi Xin Zhang Yufei Zhao Geoffrey I. N. Waterhouse Li‐Zhu Wu Chen‐Ho Tung Tierui Zhang 《Liver Transplantation》2017,7(21)