YBaCo4 O7是一种具有奇特氧吸附行为的材料,它在300℃左右的较低温度时就可以吸附其自身质量3%的氧,并且所吸附的氧在400℃可以快速脱附,同时具有稳定的循环特性,是一种非常有潜力的氧分离材料.介绍了YBaCo4O7的晶体结构及在外界温度变化时所产生的独特氧吸附/脱附特性；综述了晶格中不同位置的元素掺杂替代对其氧特性的影响；并对此类材料在透氧膜、脱氧纯化剂等方面的潜在应用进行了初步探索,最后总结了当前存在的一些问题并展望了可能的解决途径.
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