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.由此可见,通过多元素掺杂后,不仅有效降低了催化剂的起始电位,还可以改变电解水反应机制. 因此,在催化剂的合成过程中,引入过渡金属形成多元过渡金属OER催化剂,可以有效地调节催化剂的电子结构,尤其是引入的Co,Fe,Mn,Ni等具有多种化合价的过渡金属,容易形成MOOH活性中心,同时,在引入其它元素形成协同效应时,混合价态的存在也更利于调控各元素之间与催化剂活性中心的适配关系,从而有效提高电解水反......
of Technology, 2004: 20-25. [30] GIERGICZNY Z, KROL A. Immobilization of heavy metals (Pb, Cu, Cr, Zn, Cd, Mn) in the mineral additions containing concrete composites[J]. Journal of Hazardous Materials, 2008, 160......
testing Twenty-five points were measured along the interface, and the distance between two points was 50 μm. The loading force was set as 500 mN, and duration time was 5 s. 3 Results and discussions 3.1......
of the Electrochemical Society A, 2014, 161(4): 620-632. [25] ZHENG Jian-ming, KAN Wang-Hay, MANTHIRAM A. Role of Mn content on the electrochemical properties of nickel-rich layered LiNi(0.8-x)Co(0.1)Mn(0.1+x)O2 (0.0≤x..., PASCHOS O, KIM S J, LAMP P, LU Jun, AMINE K, CHEN Zong-hai. Kinetic study of parasitic reactions in lithium-ion batteries: A case study on LiNi(0.6)Mn(0.2)Co(0.2)O2 [J]. ACS Applied Materials &......
have a chemical composition of 0.975 wt.% Mg, 0.59 wt.% Si, 0.092 wt.% Fe, 0.289 wt.% Cu, 0.08 wt.% Mn, 0.031 wt.% Zn, and Al balance. The characteristics of the 6061Al alloy powders and the GNFs......
applications [6-10]. Currently, there are two primary research directions to improve the corrosion performance of Mg alloys. One method is by alloying [5] with elements, such as Ca, Mn and Zn elements.... In vivo corrosion behavior of Mg-Mn-Zn alloy for bone implant application [J]. Journal of Biomedical Materials Research A, 2007, 83: 703-711. [13] LI Zi-jian, GU Xu-nan, LOU Si-quan, ZHENG Yu-feng......
, WU Kong-lin, LIU Zhi, LIU Yun-qi, WANG Ding-sheng, PENG Qing, CHEN Chen, LI Ya-dong. Electronic structure and d-band center control engineering over M-doped CoP (M=Ni, Mn, Fe) hollow polyhedron......
DOI: 10.11817/j.ysxb.1004.0609.2021-40016 钢/铝层状复合板的拉伸力学性能与界面失效过程 李小兵1, 2,蒋国民1,王 强1,张小立1,伊军英1,曲锦波2,杨才福3 (1. 江苏科技大学(张家港) 冶金与材料工程学院,苏州 215600; 2. 江苏省(沙钢)钢铁研究院 板带研究室,苏州 215625; 3. 钢铁研究总院 工程用钢研究所,北京 100081) 摘 要:采用准静态拉伸实验研究钢/铝复合板在1×10-4~1×10-2 s-1应变速率范围的拉伸力学性能与变形行为,通过扫描电镜表征分析复合界面的组织演变与失效机理.结果表......
the fused salt layer, the dissolution of NiO at the salt/scale interface and the re-precipitation of NiO at the gas/salt interface can be sustained. Therefore, a porous NiO outer layer formed on both... the melt chemistry, and consequently prevents the dissolution/ re-precipitation of the protective oxide scale. As corrosion progresses, the fast formation of a continuous compact Al2O3 scale beneath......
何一个进行取样作业,这是其他载人潜水器所无法做到的.它已对锰结核,热液矿床,钴结壳和水深达6 500 m的海洋斜坡和大断层进行了调查,并从地球物理角度对日本岛礁沿线所出现的地壳运动以及地震,海啸等进行了研究,还在4 000余m深海处发现了古鲸遗骨及其寄生的贻贝类,虾类等典型生物群.自投入使用以来已下潜了1 000余次. 前苏联和芬兰于1987年联合研制了2艘6 000 m载人潜水器"和平1号"和......