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公开(公告)号：KR101260685B1
公开(公告)日：2013-05-10
申请号：KR1020110061623
申请日：2011-06-24
Applicant: 한국과학기술연구원
IPC: H01M4/1391 , H01M4/505 , H01M4/525 , H01M10/0525
CPC classification number: C01B33/32 , H01M4/0471 , H01M4/1397 , H01M4/5825 , H01M4/625
Abstract: 본발명은마이크로웨이브(microwave)를이용한리튬이온이차전지용실리케이트계전극활물질의제조방법으로서, 1) 실리콘화합물을용매에분산시키는단계; 2) 리튬염과전이금속염을상기분산액에첨가하여혼합시키는단계: 및 3) 상기혼합액을마이크로웨이브처리하여겔(gel)화시키는단계를포함하며, 이에따라제조된 LiMSiO(M=전이금속)로표시되는리튬이온이차전지용전극활물질은조성이균일하고특성이우수하며제조과정이단순하여생산효율이높다.
Abstract translation: 公开了一种用于使用微波制备用于锂二次电池的Li 2 MSiO 4（M =过渡金属）表示的阴极活性材料的方法，包括：1）将硅化合物分散在溶剂中; 2）在所得分散体中混合锂盐和过渡金属盐，然后加入螯合剂以形成复合离子;和3）用微波处理混合物凝胶化。 用于锂二次电池的由Li 2 MSiO 4（M =过渡金属）表示的制备的阴极活性材料具有均匀的组成和优异的特性。 此外，由于制备过程简单，生产效率良好。
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公开(公告)号：KR1020130000849A
公开(公告)日：2013-01-03
申请号：KR1020110061623
申请日：2011-06-24
Applicant: 한국과학기술연구원
IPC: H01M4/1391 , H01M4/505 , H01M4/525 , H01M10/0525
CPC classification number: C01B33/32 , H01M4/0471 , H01M4/1397 , H01M4/5825 , H01M4/625
Abstract: PURPOSE: A manufacturing method of a silicate-based electrode active material is provided to ensure the particle size and composition uniformity of a silicate electrode active material by the use of microwaves as a heating source. CONSTITUTION: A manufacturing method of an electrode active material represented by chemical formula Li2MSiO4 comprises: a step of dispersing a silicon compound into a solvent; a step of mixing lithium salt and transition metal salt into the solution, and forming a complex ion by adding a chelating agent into the mixture; and a step of gelating the mixture through a microwave treatment. In the chemical formula, M is Mn, Fe, Co, Ni, Ti, V, Cr or a mixture thereof. The molar ratio of the lithium salt and the transition metal salt is 2:1.
Abstract translation: 目的：提供一种硅酸盐基电极活性材料的制造方法，以通过使用微波作为加热源来确保硅酸盐电极活性物质的粒径和组成均匀性。 构成：由化学式Li 2 MSiO 4表示的电极活性物质的制造方法包括：将硅化合物分散到溶剂中的步骤; 将锂盐和过渡金属盐混合到溶液中的步骤，通过向混合物中加入螯合剂形成复合离子; 以及通过微波处理使混合物凝胶化的步骤。 在化学式中，M是Mn，Fe，Co，Ni，Ti，V，Cr或它们的混合物。 锂盐和过渡金属盐的摩尔比为2:1。
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