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1. 发明公开

KR1020130109973A 알칼리 금속 및 전이 금속 플루오로술페이트의 제조 방법 有权
标题翻译：制备碱金属和过渡金属氟化物的方法
公开(公告)号：KR1020130109973A
公开(公告)日：2013-10-08
申请号：KR1020127033003
申请日：2011-05-11
申请人： 상뜨로 나쇼날 드 라 러쉐르쉐 샹띠피크
发明人： 따라스꽁,쟝-마리 , 아띠,모하메드 , 아르망,미셸 , 헤샴,나디르
IPC分类号： C01G49/14 , C01G51/10 , C01G53/10
CPC分类号： C01D15/06 , C01D5/00 , C01G49/009 , C01G49/14 , C01G51/006 , C01G51/10 , C01G53/006 , C01G53/10 , C01P2002/54 , C01P2002/72 , C01P2002/85 , C01P2002/88 , C01P2004/03 , C01P2006/40 , H01M4/5825
摘要： 본 발명은 알칼리 이온 교환에 의해 작동하는 전기화학 배터리에서 전극 물질로서 유용한 알칼리 금속 및 전이 금속 플루오로술페이트의 제조 방법에 관한 것이다. 본 방법은 하기가 수반되는 제2단계를 포함한다: 플루오로술페이트를 구성하는 원소의 전구체의 혼합물을 제저하는 단계, 상기 혼합물을 주위 온도에서 고체 중합체와 접촉하도록 두는 단계, 중합체를 용융하기 위한 목적으로 반응 매질을 열 처리에 적용하는 단계, 및 이어서 전구체를 서로 반응시키는 단계. 상기 중합체는 주위 온도에서 고체이고, 전구체의 반응 온도보다 낮은 용융점을 갖고, 적어도 전구체의 반응 온도까지 안정하고, 무극성 비양자성 유기 용매에 가용성인 중합체이다.

2. 发明授权

KR101535250B1 니켈 및 코발트 혼합 수산화물을 포함한 원료로 사용하여 상압침출을 통해 제조되는 고순도 황산니켈 및 그 제조방법 有权
标题翻译：通过独特的大气压力浸出液及其制造方法从镍原料和钴盐混合的氢氧化物中提取高纯度的镍硫酸盐
公开(公告)号：KR101535250B1
公开(公告)日：2015-07-08
申请号：KR1020150016244
申请日：2015-02-02
申请人： 주식회사 에너텍
发明人： 정영수 , 김동희 , 강득균 , 김용훈 , 김진명 , 이상진
IPC分类号： C01G53/10 , C01B17/96 , C23C18/32
CPC分类号： C01G53/10 , C01B17/96 , C23C18/32 , H01M4/52 , H01M10/00
摘要： 본발명은이차전지양극재, 산업용니켈도금, 무전해니켈도금등에사용되는황산니켈을제조하는방법에관한것으로서, 보다상세하게는리사이클링을포함한연속식공정하에니켈및 코발트혼합수산화물로부터니켈성분을 99% 이상추출하고유기용매의사용과폐수의배출을최소화할수 있을뿐만아니라부가적으로코발트성분의회수도가능한고순도황산니켈을제조하는방법에관한것이다. 이상과같은본 발명에따르면, 상압가온반응조로구성된 1단침출공정을통해니켈수산화물과코발트수산화물을효과적으로이온화시킴으로써, 황산니켈과황산코발트제조를위한가압가온설비및 운전시간의최소화가가능하게되며, 반응기및 배관재질의선택성의폭이넓어짐에따라공정비용을대폭줄일수 있게하고, 침출공정을 1단의상압가온반응조로단순화함에따라상압가온반응조와가압가온반응조로구성된종전의 2단침출공정에비해침식과부식, 손상등을상대적으로억제하고, 생산에소요되는에너지비용과공정운전시간을감소시켜황산니켈과황산코발트의제조효율을높이도록하는작용효과가기대된다.
摘要翻译：本发明涉及用于二次电池阴极材料，工业镀镍，无电镀镍等的硫酸镍的制造方法。更具体地说，高纯度硫酸镍的制造方法可以提取99％以上的纯度的镍来自镍和钴混合氢氧化物，包括循环，连续处理，最小化有机溶剂的使用和废水的排放，并且还可以回收钴组分。通过使用本发明，通过由大气压加热反应槽组成的一步浸出工艺，氢氧化镍和氢氧化钴被有效地电离，从而最小化高压灭菌设备和制造硫酸镍和硫酸钴的操作时间。此外，由于反应器和管材料的选择性更宽，因此可以显着降低工艺成本。此外，浸出过程简化为大气压加热反应罐的一步，因此与常规的两步浸出工艺相比，腐蚀，腐蚀，损伤等相对被抑制，这是由大气压加热反应罐和高压灭菌反应槽，另外，制造消耗的能源成本和加工的操作时间减少，因此预期提高硫酸镍和硫酸钴的制造效率的效果。

3. 发明公开

KR1020010063254A 고순도의 황산니켈 결정 제조방법 失效
标题翻译：使用废镍镍阳极制备高纯度镍硫酸盐晶体的方法
公开(公告)号：KR1020010063254A
公开(公告)日：2001-07-09
申请号：KR1019990060282
申请日：1999-12-22
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원 , 주식회사 대성케미칼
发明人： 이훈하 , 손진군 , 이재영 , 김대영
IPC分类号： C01G53/10
CPC分类号： C01G53/10 , C01P2006/80 , Y02W30/84 , Y02W30/86
摘要： PURPOSE: A method for preparing high purity nickel sulfate crystals by using waste nickel anode is provided which generates no NOx gas and removes any danger caused by sudden generation of heat. CONSTITUTION: The method comprises steps of: (i) preparing a nickel chip by processing waste nickel anode; (ii) after putting more than 4 equivalent ratio of sulfuric acid and the same volume of water as that of the sulfuric acid in the nickel chip with stirring and reacting them at a temperature of over 100 deg.C to form nickel sulfite powder, filtering the prepared nickel sulfite powder; (iii) washing the filtered nickel sulfite powder and making slurry therefrom; (iv) oxidizing the nickel sulfite powder by putting more than same equivalent ratio of oxygenated water therein to form nickel sulfate; (v) adjusting the pH of the nickel sulfate by putting NiCO3 or Ni(OH)2 therein to precipitate impurity as a hydroxide and eliminate it; and (vi) crystallizing the impurity which is nickel sulfate free solution.
摘要翻译：目的：提供通过使用废镍阳极制备高纯度硫酸镍晶体的方法，其不产生NOx气体并且消除由突然产生的热引起的任何危险。构成：该方法包括以下步骤：（i）通过处理废镍阳极制备镍片; （ii）在搅拌下加入超过4当量比的硫酸和与硫酸相同体积的水，并在超过100℃的温度下反应，形成亚硫酸镍粉末，过滤制备的亚硫酸镍粉末; （iii）洗涤过滤的亚硫酸亚铁粉末并从其中制备浆料; （iv）通过在其中加入相同当量的含氧水来形成硫酸镍来氧化亚硫酸镍粉末; （v）通过在其中放置NiCO3或Ni（OH）2来调节硫酸镍的pH以将氢氧化物杂质析出并除去; 和（vi）使不含硫酸镍的溶液的杂质结晶。

4. 发明授权

KR101191042B1 니켈정광, 니켈매트로부터 고순도 황산니켈을 제조하는 방법 有权
标题翻译：从尼克酸浓度制成高纯度镍硫酸盐的工艺
公开(公告)号：KR101191042B1
公开(公告)日：2012-10-15
申请号：KR1020110143050
申请日：2011-12-27
申请人： 주식회사 에너텍 , 강호길
发明人： 강호길 , 정영수 , 권태종
IPC分类号： C01G53/10 , H01M10/0525 , H01L21/00
CPC分类号： C01G53/10 , C01P2006/80
摘要： PURPOSE: A manufacturing method of high purity nickel sulfate from nickel concentrate and nickel matte is provided to increase efficiency and profitability of the leaching process. CONSTITUTION: A manufacturing method of high purity nickel sulfate from nickel concentrate and nickel matte comprises the following steps: manufacturing raw slurry by pulverizing and distributing the nickel concentrate or nickel matte(a); primarily leaching nickel source from the raw slurry by using high pressure heating reaction; obtaining nickel sulfate leachate from the nickel source by heat pressuring thereof and collecting insoluble noble metal(c); obtaining nickel sulfate leachate by removing Fe component after adding the nickel sulfate aqueous solution into a heat pressuring reaction bath; adding the nickel sulfate aqueous solution into a multi-stage mixed settler and obtaining nickel sulfate purified liquid through the solvent extraction, solvent scrubbing, and solvent stripping(d); and manufacturing nickel sulfate crystal seed from the nickel sulfate purified liquid and obtaining high purity nickel sulfate by repeating heating and cooling(g). [Reference numerals] (a) Manufacturing raw slurry by pulverizing and distributing the nickel concentrate or nickel matte; (b) Primarily leaching nickel source from the raw slurry by using high pressure heating reaction; (c) Obtaining nickel sulfate leachate from the nickel source by heat pressuring thereof and collecting insoluble noble metal; (d) Obtaining nickel sulfate leachate from the nickel source; (e) Obtaining cobalt sulfate collecting solution; (f) Recycling through transient organic solvent purification; (g) Obtaining high purity hexavalent nickel sulfate by repeating heating
摘要翻译：目的：提供镍精矿和镍锍的高纯度硫酸镍的制造方法，以提高浸出过程的效率和盈利能力。构成：镍精矿和镍锍的高纯度硫酸镍的制造方法包括以下步骤：通过粉碎和分配镍精矿或镍锍（a）制备原料浆料; 主要通过使用高压加热反应从原料浆中浸出镍源; 从镍源通过其加压和收集不溶性贵金属（c）获得硫酸镍浸出液; 在将硫酸镍水溶液加入热压反应浴中后，通过除去Fe成分得到硫酸镍浸出液; 将硫酸镍水溶液加入到多级混合沉降器中，通过溶剂萃取，溶剂洗涤和溶剂汽提（d）获得硫酸镍纯化液; 并从硫酸镍纯化液中制造硫酸镍晶种，并通过重复加热和冷却（g）获得高纯度硫酸镍。（附图标记）（a）通过粉碎和分配镍精矿或镍锍制造原料浆料; （b）通过高压加热反应主要从原料浆中浸出镍源; （c）通过加热加压镍源并从中收集不溶性贵金属，从镍源获得硫酸镍浸出液; （d）从镍源获得硫酸镍浸出液; （e）获得硫酸钴收集溶液; （f）通过瞬时有机溶剂净化回收; （g）通过重复加热获得高纯度六价硫酸镍

5. 发明公开

KR1020110038769A 페로니켈슬러그를 이용한 고순도 황산니켈의 결정 제조방법 无效
标题翻译：来自FERRONICKEL SLUG的高纯度镍硫酸盐晶体的制造
公开(公告)号：KR1020110038769A
公开(公告)日：2011-04-15
申请号：KR1020090095923
申请日：2009-10-09
申请人： 주식회사 우전지앤에프
发明人： 김성수
IPC分类号： C22B7/00 , C01G53/10
CPC分类号： Y02P10/212 , C22B7/00 , C01G53/10
摘要： PURPOSE: A method of manufacturing the crystal of high-purity nickel sulfate using ferronickel slug is provided to effectively remove impurities without washing several times. CONSTITUTION: A method of manufacturing the crystal of high-purity nickel sulfate using ferronickel slug is as follows. The ferronickel slug is processed and is manufactured as a chip. Ferronickel powder is smelted by mixture of sulfuric acid and oxidizing agent to obtain nickel. The mixture is formed so that the equivalent rate of the sulfuric acid and the oxidizing agent per ferronickel of 1 equivalent becomes 1:0.5~1:1.5. The obtained nickel liquid is evaporated, concentrated, and filtered to manufacture crystal of primary nickel sulfate. The surface of the primary crystal is washed and again smelted. Iron ion of divalence is oxidized to iron ion of trivalence by the adding of oxidizer.
摘要翻译：目的：提供使用镍铁芯片制造高纯度硫酸镍晶体的方法，以有效去除杂质而不洗几次。构成：使用镍铁棒制造高纯度硫酸镍晶体的方法如下。镍铁锭被处理并制成芯片。铁镍粉通过硫酸和氧化剂的混合物熔炼得到镍。形成混合物，使得1当量的硫酸和每个镍铁的氧化剂的当量比为1：0.5〜1：1.5。将所得的镍液体蒸发，浓缩并过滤，以制备初级硫酸镍晶体。初级晶体的表面被洗涤并再次熔炼。通过添加氧化剂，二价铁的铁离子被氧化成三价铁离子。

6. 发明授权

KR101786806B1 알칼리 금속 및 전이 금속 플루오로술페이트의 제조 방법 有权
标题翻译：制备碱金属和转化的金属氟化物的方法
公开(公告)号：KR101786806B1
公开(公告)日：2017-10-18
申请号：KR1020127033003
申请日：2011-05-11
申请人： 상뜨로 나쇼날 드 라 러쉐르쉐 샹띠피크
发明人： 따라스꽁,쟝-마리 , 아띠,모하메드 , 아르망,미셸 , 헤샴,나디르
IPC分类号： C01G49/14 , C01G51/10 , C01G53/10
CPC分类号： C01D15/06 , C01D5/00 , C01G49/009 , C01G49/14 , C01G51/006 , C01G51/10 , C01G53/006 , C01G53/10 , C01P2002/54 , C01P2002/72 , C01P2002/85 , C01P2002/88 , C01P2004/03 , C01P2006/40 , H01M4/5825
摘要： 본발명은알칼리이온교환에의해작동하는전기화학배터리에서전극물질로서유용한알칼리금속및 전이금속플루오로술페이트의제조방법에관한것이다. 본방법은하기가수반되는제2단계를포함한다: 플루오로술페이트를구성하는원소의전구체의혼합물을제저하는단계, 상기혼합물을주위온도에서고체중합체와접촉하도록두는단계, 중합체를용융하기위한목적으로반응매질을열 처리에적용하는단계, 및이어서전구체를서로반응시키는단계. 상기중합체는주위온도에서고체이고, 전구체의반응온도보다낮은용융점을갖고, 적어도전구체의반응온도까지안정하고, 무극성비양자성유기용매에가용성인중합체이다.
摘要翻译：本发明涉及一种制备碱金属和过渡金属氟硫酸盐的方法，该碱金属和过渡金属氟硫酸盐可用作通过碱离子交换操作的电化学电池中的电极材料。该方法包括第二步骤，包括：使构成氟硫酸盐的元素的前体混合物经受环境温度下的混合物与固体聚合物的接触，将聚合物将反应介质应用于热处理，然后使前体彼此反应。该聚合物是在环境温度下为固体，熔点低于前体的反应温度，至少直到前体的反应温度稳定并且可溶于非极性非质子有机溶剂的聚合物。

7. 发明公开

KR1020120026015A 리튬 이차 전지용 양극 활물질 및 이의 제조방법 有权
标题翻译：用于二次电池的阴极活性材料及其制备方法
公开(公告)号：KR1020120026015A
公开(公告)日：2012-03-16
申请号：KR1020110091133
申请日：2011-09-08
申请人： 에스케이이노베이션 주식회사
发明人： 오성우 , 선희영 , 도유림 , 이형복
IPC分类号： H01M4/525 , C10G53/00 , C10G51/00 , H01M10/052
CPC分类号： H01M4/525 , C01D15/02 , C01G51/40 , C01G51/42 , C01G53/10 , C01G53/40 , C01P2006/10 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M4/1391 , H01M4/26 , H01M4/52 , H01M4/625 , H01M10/052 , H01M2004/028
摘要： PURPOSE: A positive electrode active material for lithium secondary battery and a manufacturing method thereof are provided to improve electrochemical characteristic and high-rate characteristic by increasing diffusion velocity of the lithium ion within the positive electrode active material structure. CONSTITUTION: A manufacturing method of positive electrode active material for lithium secondary battery comprises the following steps: manufacturing active material precursor by mixing reacting raw material including metallic aqueous solution which contains nickel source, cobalt source, and aluminum source, and ammonia solution, sucrose, and pH adjusting agent; mixing the active material precursor with lithium source; and manufacturing anodic active material which is represented by chemical formula 1: Li_(1+z)Ni_(1-x-y)Co_xAl_yO_2 by plasticizing the mixture. In the chemical formula 1, z stands for real number of 0-0.3, x stands for real number of 0.05-0.3, y stands for real number which exceeds 0 and equal to or less than 0.3, 1-x-y is real number of 0.4 to 0.95.
摘要翻译：目的：提供一种锂二次电池用正极活性物质及其制造方法，其通过增加正极活性物质结构内的锂离子的扩散速度来提高电化学特性和高速率特性。构成：锂二次电池用正极活性物质的制造方法，包括以下步骤：通过将包含镍源，钴源和铝源的金属水溶液的原料与氨溶液，蔗糖，和pH调节剂; 将活性物质前体与锂源混合; 并通过使混合物增塑来制造由化学式1：Li（1 + z）Ni_（1-x-y）Co_xAl_yO_2表示的阳极活性材料。在化学式1中，z表示0-0.3的实数，x表示实数为0.05-0.3，y表示实数超过0且等于或小于0.3，1-xy是实数0.4 至0.95。

8. 发明公开

KR1020010017305A 고순도 황산니켈의 결정 제조방법 失效
标题翻译：制备高纯度的镍硫酸盐晶体的方法
公开(公告)号：KR1020010017305A
公开(公告)日：2001-03-05
申请号：KR1019990032752
申请日：1999-08-10
申请人： 재단법인 포항산업과학연구원
发明人： 이훈하 , 손진군 , 이재영 , 김대영
IPC分类号： C01G53/10
CPC分类号： C01G53/10 , C01P2006/80 , Y02W30/84 , Y02W30/86
摘要： PURPOSE: A method for preparing nickel sulfate crystal with a high degree of purity by using waste nickel anode is provided which removes impurities without washing the nickel sulfate crystal several times and effectively prepares nickel sulfate crystal with high degree of purity . CONSTITUTION: The method comprises steps of: (i) processing waste nickel anode to prepare nickel chip; (ii) dissolving the nickel chip in a mixture of sulfuric acid and an oxidizing agent, wherein an equivalent ratio of the sulfuric acid and the oxidizing agent per 1 equivalent of the waste nickel is 1:0.5-1:1.5, to extract nickel; (iii) evaporating, concentrating, cooling and filtering the obtained nickel extract to prepare primary nickel sulfuric acid crystal; (iv) after washing the surface of the primary crystal and re-dissolving it, adding the oxidant thereto to oxidize Fe2+ into Fe3+; (v) by pouring nickel carbonate or nickel hydroxide with high degree of purity into the solution of the step (iv) to adjust solution pH to 3-6, forming sludge of hydrated iron; (vi) filtering the solution to remove the sludge of hydrated iron and impurities from the solution; (vii) evaporating, concentrating and crystallizing the impurities removed nickel sulfate solution to prepare nickel sulfate crystal; and (viii) drying the prepared crystal.
摘要翻译：目的：提供通过使用废镍阳极制备高纯度的硫酸镍晶体的方法，其在不洗涤硫酸镍晶体几次的情况下除去杂质，并且以高纯度有效地制备硫酸镍晶体。构成：该方法包括以下步骤：（i）处理废镍阳极制备镍片; （ii）将镍屑溶解在硫酸和氧化剂的混合物中，其中每1当量废镍的硫酸和氧化剂的当量比为1:0.5-1:1.5以提取镍; （iii）蒸发，浓缩，冷却和过滤得到的镍提取物，制备初级硫酸镍晶体; （iv）洗涤一次晶体的表面并再次溶解后，加入氧化剂使Fe2 +氧化成Fe3 +; （v）通过将高纯度的碳酸镍或氢氧化镍倾倒到步骤（iv）的溶液中以将溶液pH调节至3-6，形成水合铁渣; （vi）过滤溶液以从溶液中除去水合铁和杂质的污泥; （vii）蒸发，浓缩和结晶除去的硫酸镍溶液中的杂质，制备硫酸镍晶体; 和（viii）干燥制备的晶体。

9. 发明授权

KR101395846B1 리튬 이차 전지용 양극 활물질 및 이의 제조방법 有权
标题翻译： Li二次电池用阴极活性材料及其制备方法
公开(公告)号：KR101395846B1
公开(公告)日：2014-05-19
申请号：KR1020110091133
申请日：2011-09-08
申请人： 에스케이이노베이션 주식회사
发明人： 오성우 , 선희영 , 도유림 , 이형복
IPC分类号： H01M4/525 , C10G53/00 , C10G51/00 , H01M10/052
CPC分类号： H01M4/525 , C01D15/02 , C01G51/40 , C01G51/42 , C01G53/10 , C01G53/40 , C01P2006/10 , C01P2006/11 , C01P2006/12 , C01P2006/40 , H01M4/1391 , H01M4/26 , H01M4/52 , H01M4/625 , H01M10/052 , H01M2004/028
摘要： 본 발명은 리튬 이차 전지용 양극 활물질의 제조방법에 관한 것으로, 상세하게, 본 발명에 따른 제조방법은 니켈 소스, 코발트 소스, 알루미늄 소스, 암모니아수, 슈크로스 및 pH조절제를 혼합 반응시켜 혼합 용액을 제조하는 단계; 상기 혼합 용액을 건조, 산화시켜 활물질 전구체를 제조하는 단계; 및 상기 활물질 전구체에 리튬소스를 넣고 소성하여 하기 화학식1의 리튬 이차 전지용 양극 활물질을 제조하는 단계;를 포함는 특징이 있다.
[화학식1]
Li
1+z Ni
1-xy Co
x Al
y O
2
(상기 z는 0 이상 내지 0.3 이하의 실수이고, 상기 x는 0.05 이상 내지 0.3이하의 실수이며, 상기 y는 0 초과 내지 0.3이하의 실수이며, 1-xy는 0.4 이상 내지 0.95 미만의 실수이다.)
摘要翻译：本发明提供一种锂二次电池用正极活性物质的制造方法，其特征在于，包括：将镍源，钴源，铝源，氨水，蔗糖，pH调节剂混合并进行反应，混合溶液; 干燥和氧化混合溶液以制备正极活性物质前体; 向正极活性物质前体添加锂源，进行烧成，制作锂二次电池用正极活性物质。

10. 发明公开

KR1020120133662A 니켈 스크랩을 이용한 황산니켈의 제조 방법 无效
标题翻译：镍镍硫酸镍的制备方法
公开(公告)号：KR1020120133662A
公开(公告)日：2012-12-11
申请号：KR1020110052410
申请日：2011-05-31
申请人： 주식회사 엘 앤 에프 , 신라대학교 산학협력단
发明人： 박중철 , 권우정 , 신용조 , 김익성 , 최각회 , 노영배
IPC分类号： C01G53/10 , C01B17/96 , B09B3/00 , C22B7/00
CPC分类号： Y02P10/234 , C01G53/10 , C01P2006/80
摘要： PURPOSE: A manufacturing method of nickel sulfate using nickel scrap is provided to simply manufacture nickel sulfate from nickel scrap. CONSTITUTION: A manufacturing method of nickel sulfate using nickel scrap comprises the following steps: forming nickel oxide(NiO) by heat treating nickel scrap powder for 5-10 hours; dissolving the nickel oxide in an acid solution at 80-90 deg. Celsius for 5-10 hours; manufacturing a nickel ion acid solution by removing insoluble impurities by filtering the nickel oxide acid solution; cementing and filtering by injecting zinc or aluminum into the nickel ion acid solution; forming and filtering an nickel-amine complex ion(Ni(NH3)62+) by adding an ammonia or amine compound to the cemented nickel ion acid solution; forming nickel hydroxide(Ni(OH)2) by adding caustic soda(NaOH) to the reacting solution in which the nickel-amine complex ion is formed; and forming nickel sulfate hydrate by adding watery sulfuric acid to a reacting solution in which the nickel hydroxide is formed. [Reference numerals] (a) After heat treating; (b) Nickel scrap raw material; (CC) Intensity(a.u); (DD) 2θ(degree)
摘要翻译：目的：提供使用镍废料的硫酸镍的制造方法，从镍废料简单地制造硫酸镍。构成：使用镍废料的硫酸镍的制造方法包括以下步骤：通过热处理镍废粉5-10小时形成氧化镍（NiO）; 将氧化镍溶解在80-90℃的酸溶液中。摄氏5-10小时; 通过过滤氧化镍酸溶液去除不溶性杂质制造镍离子酸溶液; 通过将锌或铝注入镍离子酸溶液中固化和过滤; 通过向胶结镍离子酸溶液中加入氨或胺化合物来形成和过滤镍 - 胺络合物离子（Ni（NH 3）62+）; 通过在其中形成镍 - 胺络合物离子的反应溶液中加入苛性钠（NaOH）形成氢氧化镍（Ni（OH）2）并通过向其中形成氢氧化镍的反应溶液中加入水硫酸形成硫酸镍水合物。（附图标记）（a）热处理后; （二）废镍原料; （CC）强度（a.u）; （DD）2＆thgr（度）

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