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| 1 | Growth mechanisms for spherical Ni_(0.815)Co_(0.15)Al_(0.035)(OH)_(2) precursors prepared via the ammonia complexation precipitation method显示文摘The microstructures of precursors strongly affect the electrochemical performance of Ni-rich layerstructured cathode materials.In this study,the growth behaviour of Ni_(0.815)Co_(0.15)Al_(0.035)(OH)_2(NCA) prepared via the ammonia complexation precipitation method in a 50-L-volume continuously stirred tank reactor(CSTR) is studied in detail.The growth of Ni(OH)2-based hydroxide can be divided into a nucleation process,an agglomeration growth process,a process in which multiple growth mechanisms coexist,and an interface growth process over time,while the inner structure of the CSTR can be divided into a nucleation zone,a complex dissolution zone,a growth zone,and a maturation zone.The concentration of ammonium ions affects the growth habit of the primary crystal significantly due to its specific adsorption on the electronegative crystal plane.When the ammonia concentration is <1.5 mol L^(-1) at 60℃ at pH=11.5,the precursors grow preferentially along the(1 0 1) crystal plane,whereas they grow preferentially along the(0 0 1) crystal plane when the concentration is >2.0 mol L^(-1).The LiNi_(0.815)Co_(0.15)Al_(0.035)O_2 materials inherit the grain structure of the precursor.Materials prepared from precursors with(1 0 1)preferential primary particles show a higher specific capacity and better rate performance than those that were prepared from(0 0 1) preferential primary particles,but the latter realize a better cycling performance than the former. | Xi Yang Xuesong Huang Hancheng Shi Peng Dong Ding Wang Jianguo Duan Yingjie Zhang | 2021 | Journal of Energy Chemistry2021，30，2： | 1 |
| 2 | Synergetic roadmap of carbon neutrality and clean air for China显示文摘It is well recognized that carbon dioxide and air pollutants share similar emission sources so that synergetic policies on climate change mitigation and air pollution control can lead to remarkable co-benefits on greenhouse gas reduction,air quality improvement,and improved health.In the context of carbon peak,carbon neutrality,and clean air policies,this perspective tracks and analyzes the process of the synergetic governance of air pollution and climate change in China by developing and monitoring 18 indicators.The 18 indicators cover the following five aspects:air pollution and associated weather-climate conditions,progress in structural transition,sources,inks,and mitigation pathway of atmospheric composition,health impacts and benefits of coordinated control,and synergetic governance system and practices.By tracking the progress in each indicator,this perspective presents the major accomplishment of coordinated control,identifies the emerging challenges toward the synergetic governance,and provides policy recommendations for designing a synergetic roadmap of Carbon Neutrality and Clean Air for China. | Qiang Zhang Zhicong Yin Xi Lu Jicheng Gong Yu Lei Bofeng Cai Cilan Cai Qimin Chai Huopo Chen Hancheng Dai Zhanfeng Dong Guannan Geng Dabo Guan Jianlin Hu Cunrui Huang Jianing Kang Tiantian Li Wei Li Yongsheng Lin Jun Liu Xin Liu Zhu Liu Jinghui Ma Guofeng Shen Dan Tong Xuhui Wang Xuying Wang Zhili Wang Yang Xie Honglei Xu Tao Xue Bing Zhang Da Zhang Shaohui Zhang Shaojun Zhang Xian Zhang Bo Zheng Yixuan Zheng Tong Zhu Jinnan Wang Kebin He | 2023 | Environmental Science and Ecotechnology2023，，4： | 0 |
| 3 | Reversible light-driven magnetic switching of salen cobalt complex显示文摘Spin-crossover(SCO)metal complexes are expected to be widely used in data storage materials,display devices and sensors.Although a lot of spin-crossover photoswitches have been developed,the reversible photomodulation cases that work at room temperature are limited.Herein,a novel cobalt complex o-1-Co(II)wherein the salen unit bridges with bis-diarylethene has been designed as switch to construct'off-on'logic operation at room temperature.The complex o-1-Co(II)displays an abrupt,reversible and hysteretic spin crossover(T1/2↓=166 K,T1/2↑=177 K,andΔT1/2=11 K)between the high-spin(HS)and low-spin(LS)states.Meanwhile,photocyclization of o-1-Co(II)with UV light produces a photoresponsive closed form c-1-Co(II),which always stays at low-spin without SCO at all.Moreover,the magnetic switching of the complex can also be achieved with redox reactions between Co(II)and Co(III). | Song Wan Mengqi Li Zhipeng Zhang Hancheng Xi Hong Yang Qianfu Luo Wei-Hong Zhu | 2020 | Science China Chemistry2020，63，9： | 0 |
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