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首页> 外文期刊>RSC Advances >Porous lithium cobalt oxide fabricated from metal–organic frameworks as a high-rate cathode for lithium-ion batteries
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Porous lithium cobalt oxide fabricated from metal–organic frameworks as a high-rate cathode for lithium-ion batteries

机译：由金属 - 有机框架制造的多孔锂钴作为锂离子电池的高速速率阴极

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摘要

Porous materials have many applications, such as energy storage, as catalysts and adsorption etc. Nevertheless, facile synthesis of porous materials remains a challenge. In this work, porous lithium cobalt oxide (LiCoO _(2) ) is fabricated directly from Co-based metal–organic frameworks (MOFs, ZIF-67) and lithium salt via a facile solid state annealing approach. The temperature affect on the microstructure of LiCoO _(2) is also investigated. The as-prepared LiCoO _(2) shows a uniform porous structure. As a cathode for a lithium-ion battery (LIB), the LiCoO _(2) delivers excellent stability and superior rate capability. The as-prepared porous LiCoO _(2) delivers a reversible capacity of 106.5 mA h g ~(?1) at 2C and with stable capacity retention of 96.4% even after 100 cycles. This work may provide an alternative pathway for the preparation of porous materials with broader applications.
机译：多孔材料具有许多应用，例如储能，作为催化剂和吸附等。然而，孔隙的构成仍然是挑战。在这项工作中，通过容易固态退火方法直接由Co-Compor-Inform-Instrumeworm（MoF，ZIF-67）和锂盐直接制造多孔锂钴氧化物（LiCoO _（2））。还研究了LiCoO_（2）的微观结构的温度影响。制备的LiCoO_（2）表示均匀的多孔结构。作为锂离子电池（Lib）的阴极，LiCoO_（2）提供出色的稳定性和优异的速率能力。制备的多孔LiCoO_（2）在2℃下可逆容量为106.5mA H g〜（α1），即使在100次循环之后，均匀的容量保留为96.4％。该工作可以提供具有更广泛应用的多孔材料的替代途径。

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