聚(亚甲基二硒化物)和聚(亚甲基硒-聚硫代硒化物)，-[- ch2se2 -] n -， -[- ch2ses m Se-] n -

Sulfur Letters Pub Date : 2002-01-01 DOI:10.1080/02786110214498

B. Trofimov, E. Deryagina, Emma Sukhomazova, E. Levanova, G. Myachina, S. Korzhova, Yuriy V. Mikhaylik, T. Skotheim

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引用次数: 4

摘要

聚(亚甲基二硒化物)，-[- ch2se2 -] n -，当与1-4摩尔过量的硫(后者)合金时，得到深橙色的橡胶状聚(亚甲基硒-聚硫-硒化物)，-[- ch2ses m Se-] n -，其中m =1-4代表了一类新的没有C-S键的S-Se有机聚合物。在硫与聚亚甲基二烯的摩尔比等于16时，硫含量不超过m =4。聚合物的硒部分在与硫合金化时，从聚合物中除去并与硫形成化合物。该聚合物具有可逆氧化还原特性，可作为可充电锂电池的活性正极材料。

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Poly(methylene diselenide) and poly(methylene seleno-polysulfido-selenides), -[-CH2Se2-] n -, -[-CH2SeS m Se-] n -

Poly(methylene diselenide), -[-CH2Se2-] n -, when alloyed with sulfur in a 1-4 molar excess of the latter, gives dark orange rubber-like poly(methylene seleno-polysulfido-selenides), -[-CH2SeS m Se-] n -, where m =1-4 representing a new class of S-Se organic polymers having no C-S bonds. At molar ratio sulfur:poly(methylene diselenide) equal to 16 sulfur content does not exceed m =4. The selenium part of the polymer, while alloying with sulfur, is removed from the polymer and forms the compound with sulfur. The polymers demonstrate reversible redox properties and can be employed as active cathode materials in rechargeable lithium cells.

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Sulfur Letters

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