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公开(公告)号：KR1020120022629A
公开(公告)日：2012-03-12
申请号：KR1020110080829
申请日：2011-08-12
Applicant: 재단법인 포항산업과학연구원
IPC: H01M4/58 , C01B25/45 , H01M10/052
CPC classification number: C01B25/45 , H01M4/5825 , H01M10/0525
Abstract: PURPOSE: A manufacturing method of olivine-based positive electrode material is provided to remarkably reduce the number of complex processes and to obtain a uniform olivine-based positive electrode material without synthetic process of lithium hydroxide or lithium carbonate. CONSTITUTION: A manufacturing method of olivine-based positive electrode material comprises a step of dissolving iron supply material, lithium phosphate and phosphoric acid-containing material into acid; a step of forming chelate polymer by adding a chelating agent and a polymerization aide to the solution, and heating the mixture; a step of heating and decomposing the chelate polymer in reduction atmosphere; and a step of reduction heat treating the decomposed chelate polymer in reduction atmosphere.
Abstract translation: 目的：提供一种橄榄石系正极材料的制造方法，能够显着地减少复合工艺的数量，并且在没有氢氧化锂或碳酸锂的合成方法的情况下获得均匀的橄榄石型正极材料。 构成：橄榄石型正极材料的制造方法包括将铁供给材料，磷酸锂和含磷酸的材料溶解在酸中的步骤; 通过向溶液中加入螯合剂和聚合助剂形成螯合聚合物的步骤，并加热混合物; 在还原气氛中加热和分解螯合聚合物的步骤; 还原气氛中还原热分解螯合聚合物的步骤。
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公开(公告)号：KR1020120005980A
公开(公告)日：2012-01-17
申请号：KR1020110067919
申请日：2011-07-08
Applicant: 재단법인 포항산업과학연구원
CPC classification number: Y02P10/234 , C22B3/0043 , C22B3/44 , C22B26/12
Abstract: PURPOSE: A method of extracting lithium from lithium containing solution at a low cost is provided to remove the need for evaporation and concentration processes of saline water for a long time and precipitate lithium at a low cost. CONSTITUTION: A method of extracting lithium from lithium containing solution at a low cost comprises next steps. A Phosphate supplying material is added to lithium containing solution to precipitate dissolved lithium as lithium phosphate, and lithium is precipitated from the lithium containing solution at a low cost. The precipitated lithium phosphate is filtered from the lithium containing solution to precipitate lithium phosphate. The phosphate supplying material is one or more of phosphorus, phosphoric acid and phosphate. The concentration of the lithium phosphate is 0.39g / L or higher.
Abstract translation: 目的：提供一种以低成本从含锂溶液中提取锂的方法，以长时间消除盐水的蒸发和浓缩过程，并以低成本沉淀锂。 构成：以低成本从含锂溶液中提取锂的方法包括以下步骤。 向含锂溶液中加入磷酸盐供给材料，以锂磷酸盐的形式析出溶解的锂，以低成本从含锂溶液中析出锂。 从含锂溶液中过滤沉淀的磷酸锂以沉淀磷酸锂。 磷酸盐供应材料是磷，磷酸和磷酸盐中的一种或多种。 磷酸锂的浓度为0.39g / L以上。
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公开(公告)号：KR101527140B1
公开(公告)日：2015-06-10
申请号：KR1020120152564
申请日：2012-12-24
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
CPC classification number: B01D1/00
Abstract: 염수로부터칼륨을추출하는방법에관한것으로, 염수를준비하는단계; 상기염수내 수분을증발시키는단계; 및상기수분증발량에따른구간별로침전물을수득하는단계;를포함하는염수로부터칼륨을추출하는방법을제공할수 있다.
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公开(公告)号：KR101405486B1
公开(公告)日：2014-06-13
申请号：KR1020120035742
申请日：2012-04-05
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원 , 주식회사 엠플라이
CPC classification number: C01D15/08 , B01J4/002 , B01J19/18 , B01J2219/185 , B01J2219/1946 , C01D15/02
Abstract: 수산화리튬의 제조 방법 및 이를 이용한 탄산리튬의 제조 방법에 관한 것으로, 인산리튬 입자를 포함하는 인산리튬 수용액을 준비하는 단계; 상기 인산리튬 수용액에 인산 음이온 침전제를 투입하는 단계; 및 상기 인산 음이온 침전제의 양이온과 상기 인산리튬의 인산 음이온이 반응하여 난용성 인산 화합물이 침전되는 단계;를 포함하는 수산화리튬 수용액의 제조 방법을 제공할 수 있다.
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公开(公告)号：KR1020140017765A
公开(公告)日：2014-02-12
申请号：KR1020120084196
申请日：2012-07-31
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
CPC classification number: C22B26/12 , C22B3/42 , C22B7/006 , Y02P10/234
Abstract: The present invention relates to a method for extracting lithium from a lithium-containing solution, the method comprising: a step of separating the lithium-containing solution into a solution including monovalent ions and a solution including two or more valent ions by using a membrane which has negative electric charge on a surface thereof; a step of removing impurities from the solution containing the monovalent ions; a step of extracting lithium phosphate from dissolved lithium by injecting a phosphorus supply substance into the solution containing the monovalent ions from which the impurities are removed. [Reference numerals] (AA) Membrane
Abstract translation: 本发明涉及从含锂溶液中提取锂的方法，该方法包括：通过使用膜将含锂溶液分离成包含一价离子的溶液和包含两价或更多价离子的溶液的步骤 在其表面上具有负电荷; 从含有一价离子的溶液中除去杂质的步骤; 通过将磷供给物质注入含有除去杂质的一价离子的溶液中，从溶解的锂中提取磷酸锂的工序。 （附图标记）（AA）膜
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Patent Agency Ranking
公开(公告)号：KR101353337B1
公开(公告)日：2014-01-22
申请号：KR1020110080829
申请日：2011-08-12
Applicant: 재단법인 포항산업과학연구원
IPC: H01M4/58 , C01B25/45 , H01M10/052
CPC classification number: C01B25/45 , H01M4/5825 , H01M10/0525
Abstract: 리튬 2차전지용 올리빈계 양극재의 제조 방법에 관한 것으로, 철 공급 물질, 인산리튬 및 인산 함유 물질을 산에 혼합하여 용해시키는 용해 단계와; 상기 용해 단계의 용해액에 킬레이트제와 중합조제를 첨가한 다음 가열하여 킬레이트 중합체를 형성하는 킬레이트 중합체 형성 단계와; 상기 킬레이트 중합체를 환원 분위기에서 가열하여 분해시키는 열분해 단계와; 상기 열분해 단계에 의해 분해된 킬레이트 중합체를 환원 분위기에서 열처리하는 환원 열처리 단계를 포함하는 리튬 2차전지용 올리빈계 양극재의 제조 방법을 제공한다.
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公开(公告)号：KR1020130081159A
公开(公告)日：2013-07-16
申请号：KR1020120002184
申请日：2012-01-06
Applicant: 재단법인 포항산업과학연구원 , 주식회사 포스코
Abstract: PURPOSE: A method for extracting a component dissolved in brine and a system using the same are provided to quickly extract a high purity metal compound or semi-metal compound from the brine with low cost and to minimize the generation of a material harmful to environment and human body. CONSTITUTION: A method for extracting a component dissolved in brine includes: a step of removing magnesium from the brine; a step of naturally heating the brine from which the magnesium is removed; a step of extracting lithium phosphate with adding phosphate feeding material to the naturally heated brine; a step of obtaining lithium hydroxide with electrolyzing the lithium phosphate; and a step of obtaining lithium carbonate with reacting the lithium hydroxide with a carbonization gas.
Abstract translation: 目的：提供溶解在盐水中的组分的方法和使用该方法的系统，以低成本从盐水中快速提取高纯度金属化合物或半金属化合物，并最小化对环境有害的材料的产生， 人体。 构成：提取溶解在盐水中的组分的方法包括：从盐水中除去镁的步骤; 自然加热除去镁的盐水的步骤; 通过向天然加热的盐水中加入磷酸盐供料来提取磷酸锂的步骤; 电解磷酸锂获得氢氧化锂的步骤; 以及通过使氢氧化锂与碳化气体反应而获得碳酸锂的步骤。
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公开(公告)号：KR1020130081157A
公开(公告)日：2013-07-16
申请号：KR1020120002182
申请日：2012-01-06
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
IPC: C01D15/00 , C01D15/08 , B01J8/20 , H01M10/052
Abstract: PURPOSE: A method for extracting dissolved substances from a solution containing lithium and a system based on the same are provided to cost effectively extract useful resources of high purity from a solution (salty water) containing lithium by generating a reaction between a carbonation gas and calcium cations or magnesium cations in the solution containing lithium. CONSTITUTION: A method for extracting dissolved substances from a solution containing lithium includes a step of separating a calcium carbonate from the solution by generating a reaction between a carbonation gas and calcium cations in the solution. The method further includes a step of separating a magnesium carbonate from the solution by generating a reaction between a carbonation gas and magnesium cations in the solution from which the calcium carbonate is separated. A system for extracting dissolved substances from a solution containing lithium includes a first, second, and third separating unit. The first separating unit extracts calcium cations from the solution based on a carbonation. The second separating unit extracts magnesium cations in a filtrate from the first separating unit. The third separating unit extracts lithium cations in a filtrate from the second separating unit. The lithium cations are extracted in the form of lithium phosphate by the third separating unit.
Abstract translation: 目的：提供一种从含有锂的溶液中提取溶解物质的方法及其制备方法，以便通过产生碳酸化气体和钙之间的反应从含锂的溶液（咸水）成本有效地提取高纯度的有用资源 在含锂溶液中的阳离子或镁阳离子。 构成：从含有锂的溶液中提取溶解物质的方法包括通过在溶液中产生碳酸化气体和钙阳离子之间的反应从溶液中分离碳酸钙的步骤。 该方法还包括通过在分离碳酸钙的溶液中产生碳酸化气体和镁阳离子之间的反应从溶液中分离碳酸镁的步骤。 从含有锂的溶液中提取溶解物质的系统包括第一，第二和第三分离单元。 第一分离单元基于碳酸化从溶液中提取钙阳离子。 第二分离单元从第一分离单元提取滤液中的镁阳离子。 第三分离单元从第二分离单元提取滤液中的锂阳离子。 通过第三分离单元将锂阳离子以磷酸锂的形式提取。
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公开(公告)号：KR1020130081156A
公开(公告)日：2013-07-16
申请号：KR1020120002181
申请日：2012-01-06
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원 , 주식회사 엠플라이
CPC classification number: B01J19/26 , B01F3/04439 , B01F5/20 , B01J4/002 , B01J19/18 , B01J2219/00162 , B01J2219/00177 , B01J2219/00182 , B01J2219/00247 , C01B32/60 , C01D15/08 , C01F5/24 , C01F11/181 , B01J19/30
Abstract: PURPOSE: A carbonation device and a carbonation method using the device are provided to prevent carbonating gas from being excessively used by using the required amount of carbonating gas for carbonation. CONSTITUTION: A carbonation device comprises a carbonation target solution storage tank (1), a droplet spraying unit (3), a carbonation tank, a carbonating gas supplying unit (7), and a slurry discharging unit. The droplet spraying unit sprays a solution to be carbonated with a droplet form. Carbonation is generated between the sprayed solution to be carbonated and carbonating gas, which the carbonation tank is filled with, in order to generate slurry. The slurry discharging unit discharges slurry from the carbonation tank in order to maintain the amount of slurry in the carbonation tank.
Abstract translation: 目的：提供使用该装置的碳酸化装置和碳酸化方法，以通过使用所需量的用于碳酸化的碳酸气体来防止碳酸化气体被过度使用。 构成：碳酸化装置包括碳化靶溶液储罐（1），液滴喷射单元（3），碳酸化池，碳酸气体供给单元（7）和浆料排出单元。 液滴喷射装置以液滴形式喷洒待碳酸化的溶液。 在碳酸化罐被填充的喷射的碳酸化溶液和碳酸化气体之间产生碳酸化，以产生浆料。 浆料排出单元从碳酸化池排出浆料，以保持碳酸化池中的浆料量。
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公开(公告)号：KR1020130076255A
公开(公告)日：2013-07-08
申请号：KR1020110144771
申请日：2011-12-28
Applicant: 재단법인 포항산업과학연구원
CPC classification number: Y02P10/234 , C22B3/0043 , C22B3/44 , C22B26/12
Abstract: PURPOSE: A method of economically extracting lithium from a lithium-containing solution is provided to remove a long process for evaporation and condensation of salt water, thereby economically extracting lithium at a high collection rate. CONSTITUTION: A method of economically extracting lithium from a lithium-containing solution comprises the following steps. Nuclear particles are injected into a lithium-containing solution. Dissolved lithium is extracted as lithium phosphate by inputting a phosphorus-feeding substance into the lithium-containing solution which the nuclear particles are injected into. The particle diameter of the nuclear particles is 40μm or less. The input of the nuclear particles is 20g/l or less. The particle diameter of the nuclear particles is 25μm or less. The nuclear particle is a lithium compound. The nuclear particle is Li3PO4, Li2CO3, Li2SO4 or a combination thereof. [Reference numerals] (AA) Li recovery rate (%); (BB) Reaction time (min); (CC) Comparative example; (DD) Example
Abstract translation: 目的：提供从含锂溶液中经济地提取锂的方法，以去除长时间的盐水蒸发和冷凝过程，从而以高收集率经济地提取锂。 构成：从含锂溶液中经济地提取锂的方法包括以下步骤。 将核颗粒注入含锂溶液中。 通过将磷进料物质输入到注入核粒子的含锂溶液中，将溶解的锂作为磷酸锂提取。 核粒子的粒径为40μm以下。 核粒子的输入为20g / l以下。 核粒子的粒径为25μm以下。 核粒子是锂化合物。 核粒子是Li 3 PO 4，Li 2 CO 3，Li 2 SO 4或其组合。 （AA）Li回收率（％） （BB）反应时间（min）; （CC）比较例; （DD）示例
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