2013年1月15日 · Pure Cr 2 O 5 is prepared by the thermal decomposition of CrO 3 under ambient atmosphere at 350–400 °C. Reversible lithiation/de-lithiation of Cr 2 O 5 proceeds via a single phase process. Cr 2 O 5 electrode can reach a high energy density of 819 Wh kg −1 with good cyclability and high energy efficiency (83%). 1. Introduction.

ChemicalBook 致力于为化学行业用户提供Chromium oxide (cr2o5)的性质、化学式、分子式、比重、密度,同时也包括Chromium oxide (cr2o5)的沸点、熔点、MSDS、用途、作用、毒性、价格、生产厂家、用途、上游原料、下游产品等信息。

过氧化铬也叫五氧化铬，是一种无机化合物，是六价铬的过氧化物，常温下为蓝色结晶，化学式为CrO (O2)2，也可写为CrO5。 2017年10月27日，世界卫生组织国际癌症研究机构公布的致癌物清单初步整理参考，铬（6价）化合物在1类致癌物清单中。

虽然五氧化二铬形式上为+5价铬的氧化物，但其结构中含有+3价和+6价铬，实质上为Cr2(CrO4)2(Cr2O7)，其中有三分之一的铬为+3价，位于六配位 八面体 空隙中，剩余三分之二的铬为+6价，处于铬酸根离子和重铬酸根离子中。 [4] 4论文：Hewston, T. A., & Chamberland, B. L. (1984). Magnetic and structural studies of Cr2O5 and Cr3O8. Journal of Magnetism and Magnetic Materials, 43 (1), 89–95. doi:10.1016/0304-8853 (84)90278-6.

2016年9月23日 · 中国科学技术大学的Xu-Yong Feng等人基于上述研究，对高价过渡金属氧化物Cr2O5材料进行了研究，实验中以Cr2O3为原材料，在空气气氛下分别在350℃、375℃和400℃下煅烧2小时，然后研磨后就可获得Cr2O5材料。

2016年10月1日 · Chromium oxide, Cr 2 O 5, was synthesized by pyrolyzing CrO 3 at 350 °C and employed as a new cathode in rechargeable sodium ion batteries. Cr 2 O 5 /Na rechargeable batteries delivered high specific capacities up to 310 mAh/g at a …

Browse many computed properties for this orthorhombic Cr2O5 compound, including formation energy from the elements, energy of decomposition into the set of most stable materials at this chemical composition, bulk crystalline density, and band gap.

Cr2O5材料比容量超过200mAh/g，工作电压高于3V，原材料成本低廉，能量密度高，合成工艺十分简单，因此在储能领域具有广阔的应用前景。 分享到： 关键字： 锂电池 正极材料

Chromium (VI) oxide peroxide is the name given to a collection of chromium coordination complexes. They have the formula CrO (O2)2L where L is a ligand. These species are dark blue and often labile. They all feature oxo ligand and two peroxo ligands, with the remaining coordination sites occupied by water, hydroxide, ether, or other Lewis bases.

2019年10月23日 · Cr2O5 crystallizes in the orthorhombic Pmc2_1 space group. The structure is three-dimensional. there are two inequivalent Cr5+ sites. In the first Cr5+ site, Cr5+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Cr–O bond distances ranging from 1.66–2.16 Å.