The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power
採用組裝實驗電池、 x -射線衍射( xrd )和循環伏安( cv )的方法,從實驗電池的放電特性、充放電循環特性、自放電特性,不同高鐵酸
鹽的結構特性和電化學特性幾個方面,對4種金屬負極材料( al 、 fe 、 zn 、 cd ) 、 6種隔膜材料(復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素) 、 4種集流體材料(泡沫
鎳、以鐵網為加強層的泡沫
鎳、切拉銀網、炭纖維編織網)在堿性高鐵電池中的適用性進行了比較研究;對2種雜質組分( zno 、 fe ( oh ) _ 3 )和2類不同貯存方式(干、濕)對實驗電池自放電特性的影響進行了比較研究;對3種方法(高溫固相反應、次氯酸
鹽氧化、直流電解)所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。
The preparing process is as follow : mixing the nickel salt, zirconium salt and stabilizer in the solvent ( distilled water ) to prepare mixing solution according to a certain ratio ; commingling the mixing solution and coordination solution of carboxylic ammonia in accordance with a certain rate to form sol, drying the sol and turning it into gel, pre - sintering the gel to get the zro2 - nio powders and the zro2 - ni nanocrystalline composite powders were gained by reducing the zro2 - nio powders
方法如下:將
鎳鹽、鋯
鹽、穩定劑和水溶劑按所需成分配成混和溶液,再將混和溶液、外加劑按比例混和形成溶膠,溶膠經乾燥成為凝膠,凝膠經預燒得到ysz - nio氧化物納米粉末,將該氧化物粉術還原得到ysz - ni納米復合粉術。絡合。
In this study, the preparing processes of zro2 - ni nanocrystalline composite powder aremixing the nickel salt, zirconium salt and stabilizer, solvent ( distilled water ) together to prepare the mixing solution according to certain ratio ; commingling the mixing solution, coordination solution of carboxylic ammonia, intrusion aid in accordance with certain rate to form sol, drying the sol and turning it into gel, pre - sintering the gel to get the zro2 - nio powder and gaining zro2 - ni nanocrystalline composite powder by reducing the zro2 - nio powder. xrd, x - ray wide - angle diffractometer, bet, sem, tem, hrtem analyses are used to study the zro2 - ni nanocrystalline composite powder and zro2 - ni cermet. the sintering temperature is determined
本研究的zro _ 2 - ni納米復合粉末的制備方法如下:將
鎳鹽、鋯
鹽、穩定劑和溶劑(水)按所需成分配成混合溶液,再將混合溶液、外加劑和氨羧絡合劑按比例混合形成溶膠,溶膠經乾燥成為凝膠,凝膠經預燒得到zro _ 2 - nio納米粉,將該氧化物粉還原得到zro _ 2 - ni納米復合粉。
Methods for analysis of plating black nickel solutions part 2 : continual determination of nickel sulfate and zinc sulfate content by magnesium sulfate back titrmetric edta volumetric method
電鍍黑
鎳溶液分析方法第2部分:鎂
鹽返滴定edta容量法連續測定硫酸
鎳和硫酸鋅的含量
Specifications for nickel anodes, anode nickel and nickel salts for electroplating
電鍍用
鎳陽極陽極
鎳和
鎳鹽規范
In this work, layered lini1 - xalxo2 ( 0 < x 1 / 2 ) solid solution materials were successfully synthesized by current co - precipitation method in the air, and their preparation and properties were deeply and systematically explored. influences of different factors on the structure and properities of samples were studied, including li resources, different performs, li / m ( oh ) 2 molar ratio, calcining heat condition, the best synthesis technics were concluded : sintered for 16h at 700 from li source ( lithium nitrate ) : m ( oh ) 2 = 1. 05 : 1, ultrasonic vibration for dispersing and catalysing are best. lini0. 8al0. 2o2 exhibited a discharge capacity of 130. 7 mah ? g - 1 in the voltage range of 2. 8 ~ 4. 40v and at a specific current of 0. 2 c. a new co - precipitation method was proposed, it included ultrasonic for dispersing and catalysing, by dropping lioh to the aqueous solution of metal nitrates, hydroxides of metals were precipitated and the resulting solution was evaporated as received
採用傳統共沉澱工藝在空氣氣氛中成功地合成出了二元lini1 - xalxo2 ( 0 < x 1 / 2 )層狀固溶體系列,綜合考察了不同鋰源、預處理方式、鋰的配比量、焙燒溫度等條件對合成產物的結構和性能的影響,確定出了最佳合成工藝:以硝酸鋰為鋰源,超聲波作為分散動力源,鋰源與
鎳鋁金屬
鹽摩爾比為1 . 05 : 1 , 700下焙燒16h的lini0 . 8al0 . 2o2樣品電化學性能最佳,在2 . 8 ~ 4 . 40v之間, 0 . 2c的倍率放電可逆容量達130 . 7mah ? g - 1 。
Manufacturer of electrolytic chemicals in china, producing a range of chlorates, perchlorates, and persulfates
-生產銅
鹽鎳鹽化纖油劑醫藥中間體和染料中間體。
In the course of selecting oxide additives material in the nickel - ferric spinel based inert anode, both the solubility in the cryolite molted salt of oxide additives and the whole thermodynamics action in electrolyte of oxide additives are discussed in this article, thus to have a comparatively reasonable selection of the nickel - ferric spinel based inert anode material
在選擇鎳鐵尖晶石基惰性陽極材料氧化物添加劑過程中,不僅探討了氧化物添加劑在冰晶石熔鹽中的溶解度,而且還探討了氧化物添加劑在電解液中的整個熱力學行為,從而對鎳鐵尖晶石基惰性陽極材料做出了較為合理的選擇。