極化容量 的英文怎麼說
中文拼音 [jíhuàróngliáng]
極化容量
英文
polarization capacity-
The addition of calcium hydroxide in zinc electrode can reduce the solubility of zinc oxide and improve discharge capacity, cycling life and utilization of active material
在氧化鋅中加入氫氧化鈣能顯著降低氧化鋅在堿性溶液中的溶解度,明顯改善鋅電極的放電容量、循環壽命以及活性物質的利用率。The chemical compositions of sei films formed on the interfaces of a3000 samples in different electrolytes during the first charging process are mainly li2co3 and lioco2r, but their textures are different. the sei films formed in ec - based electrolytes are thin and compact, which can prevent the solvated lithium ions from cointercalating between two graphene layers of the graphite crystallites effectively, therefore samples a3000 have small irreversible capacities and good compatibilities with this kinds of electrolytes. however, the sei films formed in pc - based electrolytes are thick but defective, which could not effectively prevent solvated lithium ions from intercalation, therefore sample a3000 shows large irreversible capacities in pc - based electrolytes and bad compatibilities with this kind of electrolytes
A _ ( 3000 )試樣在六種不同的電解液中,首次充電過程中所形成的sei膜,其化學組分均為碳酸鋰和烷基碳酸鋰,但在ec基電解液中形成的sei膜薄而緻密,可以有效地阻止溶劑化鋰離子插入石墨層間,不可逆容量少,表現出與a _ ( 3000 )試樣有良好的相容性;在pc基電解液中形成的sei膜厚,且有缺陷,不能有效地阻止溶劑化鋰離子嵌入試樣中石墨微晶的層間,不可逆容量大,與a _ ( 3000 )試樣的相容性極差。While layered linio2is the most promising cathode materials : plenty in resource, cheapness in price, high specific capacity and non - toxicity
層狀linio _ 2化合物,其資源豐富,價格低廉,比容量高,對環境友好,被公認為是最有希望的正極材料。The low solubility of calcium zincate produced from the chemical reaction of zinc oxide and calcium hydroxide in alkaline solution can improve the cycling life the zinc electrode, and the discharge capacity will tend to be stable. furthermore, the effects of la2o3 additives on the electrochemical performances of zinc electrodes were investigated. the results shows that the addition of la2o3, in zinc electrode can improve the area of reduction peak and the hydrogen evolution potential which means the cathodic hydrogen evolution reaction can be hindered
氧化鋅與氫氧化鈣在堿性溶液中化學反應生成的難溶於堿的鋅酸鈣可以使鋅電極的循環壽命得到提高,放電容量也趨于平穩,此外還考察了氧化鑭對鋅酸鈣電極電化學性能的影響,結果表明:添加適量氧化鑭能明顯改善鋅電極的電化學性能,使鋅電極的還原峰電位正移,電極反應可逆性得到改善,同時也可抑制鋅電極析氫反應的發生,提高了鋅電極的陽極電流,對陽極反應有一定的活化作用;同時還可以改善鋅電極的放電特性,增加電極的放電容量。A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate
本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用零力學滯后的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中間形成一空氣介質腔,在基座和膜片之間內置同軸的雙電極,組成兩個電容,當膜片承受壓力時發生位移,使電容量產生變化,經後置處理電路直接轉換為可輸出的直流電壓信號。" electrochemical performance of sn - substituted lani5 - based rapidly solidified alloys ", demin chen, lian chen, ke yang, min tong, ruibin long, wensheng sun and yiyi li, accepted by journal of alloys and compounds
"粘結劑對儲氫合金電極電化學容量的影響" ,陳德敏,丘思曉,楊柯,張綏生,李依依,材料研究學報,已接收。Secondly, better performance lifepo4 / c composite was synthesized by adding proper content of sucrose to the reactants, test results exhibited the initial discharge capability could get 130mah. g - 1 and the capability didn ’ t fade down after more than ten cycles ’ test
2 .添加適量的蔗糖制備出電化學性能良好的lifepo _ 4 / c復合的正極材料,其初始放電比容量高達130mah . g - 1 ;經10次充放電循環,材料的比容量幾乎不衰減。Dock operations ( e. g., capacity of preparation areas, loading bays, limits of loading and unloading, rules of freight capacity, schedule of dispatch handling ) are optimized, using scheduled window times and carrier on - time performance is tracked
裝卸操作(例如,準備區域,裝載區,極限的裝卸貨的容量,貨物容量的規則,分派處理的計劃)優化,使用計劃時間表,跟蹤準時運輸情況。The effects of the fabrication conditions on the crystal structure, grain size, micromorphology and electrochemical performance of these materials have been studied in depth. the reaction mechanism of the low - heating solid - state reaction method has also been investigated. in addition, a novel electrochemical method ( rpg method ) based on the concept of " ratio of potentio - galvano - charge capacity " has been for the first time developed to determine the diffusion coefficient of lithium - ion within insertion - host materials on the basis of the spherical diffusion model
本論文較系統地考察了低熱固相反應法合成鋰離子電池正極材料的可行性問題,研究了工藝條件對材料的晶體結構、晶粒尺寸、微觀形貌及電化學性能等的影響,探討了低熱固相反應的機理,並通過引進「恆壓-恆流充電容量比」的概念,給出了一種測定鋰離子嵌入脫出固相擴散系數的新方法。Method for measuring the discharge capacity of the hydrogen storage alloys as the negative electrode of the metal hydride - nickel battery
金屬氫化物鎳電池負極用儲氫合金比容量的測定Coal ldh ( ai : co = l : 2 ) as electrode has a stable structure and good cyclic performance. specific capacitance of its single electrode attains 400f / g
Ai雙氫氧化物結構較穩定,循環性能較好,單電極比容量達到400fig 。Electrochemical measurements show that specific capacitance of single electrode is increased by 15 % and its impedance is only tens of m
雙氫氧化物經水熱處理后單電極比容量提高了15 ,達460f4 ,電極內阻僅數十毫歐姆。Conductivity is a important chemical quantum. in the method of electrod conductivity measure, the measure electrode behave as a complicated electrochemistry system during measure. the factors that infect the precise measure of conductivity is polarization effect, capacitance effect and temperature
電導率是一種很重要的化學量。在電極電導率測量法中,測量電極表現為一個復雜的電化學系統,影響電導率準確測量的因素主要有三方面:極化效應、電容效應和溫度。According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography
第二章首先以xyz - 1型電化學抑制柱為例,分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度,因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率,在通常情況下電流效率可達到90以上;在選用同種離子交換膜的前提下,可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量,因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱,該抑制柱最高可將流速為1 . 0ml / min ,濃度為200mmol / l電導率超過10000 s ? cm ~ ( - 1 )氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ ( - 1 )的純水,並且具有穩定性高、分析結果準確等優點。The stretching vibration of v = o shifts to lower wavenumbers, which is contributed to the oet v : = o bonding interaction. the intercalation of peo effectively shields the electrostatic interaction between li + ions and v2o5 layers, resulting in the improvement of the cycling reversibility and stability of li + ions insertion / extraction in the interlayer of v2o5 xerogel and the improvement of electrochromic behavior of the films
通過電學、電化學和光學性能測試結果表明: peo的嵌入,有效屏蔽了vzos層對li十離子的靜電作用及peo與li十離子之間產生的絡合作用,大大提高了li +離子在氧化物層間的嵌入容量、嵌入/脫出可逆性和穩定性,有效提高了薄膜的電致變色性能尤其是在近紫外區的陰極電致變色性能。When they were respectively used as separator in zn / k2feo4 battery, the percent of capacity of the cathode active material na2feo4 were : microfiber glass mat ' s : 93 % ; polyethylene ' s : 68 % ; polypropylene ' s : 56 % ; polyvinyl chloride ' s : 47 % ; vinylon ' s : 38 % ; soapnated cellulose acetate ' s : 24 %. although five of them ( not concluding soapnated cellulose acetate ) had very weak or weaker reductivity as separator in super - iron battery, for which th ey were more suitable to being separator in super - iron battery
作為隔膜用於zn k _ 2feo _ 4實驗電池,正極活性物質k _ 2feo _ 4的放電容量效率分別為復合玻璃纖維膜93 、輻射接枝聚乙烯膜68 、改性聚丙烯微孔膜56 、聚氯乙烯微孔膜47 、維尼綸無紡布38 、皂化再生纖維素膜24 。For the other hand, la2o3 additives can improve the activation process and discharge capacity obviously for zinc electrode. the appropriate content of la2o3 additives in zinc electrode can increase the electrochemical properties of the zinc electrode. zn / ni battery with the zinc electrode containing calcium additive showed better discharge capacity and charge - discharge cycling life
以鋅酸鈣為活性物質的鋅電極能得到更高的鋅利用率,且以鋅酸鈣為活性物質的鋅鎳電池的循環壽命明顯優于以氧化鋅為活性物質的鋅鎳電池;兩層隔膜的鋅鎳電池的放電容量高於一層隔膜的鋅鎳電池,容量衰減速度也明顯小於後者。A significant suppression of phase transitions and lattice changes during cycling is occurred for ti - doped materials, and a decrease of interface reaction activity between the cathode and electrolyte is also demonstrated for ti - doped cathodes. as a result, the capacity losses, which are originated from structural changes and interface reactions during cycling, decrease and thereby cycling life increases for ti - doped materials
摻欽后,電極材料的離子分佈形式發生變化,引起材料結構中的化學鍵產生變化,電極材料充放電過程中的結構相變得到有效抑制,結構變化相應減小,電極材料在高電位下的界面反應活性也減弱,從而減小了由結構變化和界面反應引起的容量損失,改善了電極材料的充放電循環性能。Raised the idea of constructing hybrid capacitor with a battery based positive electrode and a capacitor based negative electrode, experiment proved that a hybrid supercapacitor with a manganese dioxide based positive electrode and an activated carbon based negative electrode showed very good performance, double electrode specific capacitance could be enhanced to 95. 7f / g, that is 2 ~ 3 times that of the carbon based supercapacitors. furthermore, the maximal voltage of a single cell could be expanded to 1. 5v, as a result, the energy density could be ten times higher than that of a carbon based supercapacitors
本論文中我們提出了將電池哈爾濱工程大學碩士學位論文的正極與電容器的負極結合成混合超級電容器的構想,並成功實現了二氧化錳正極和活性炭負極的組合,構成的錳碳混合超級電容器雙電極比容量可達到95 . 7f / g ,比活性炭超級電容器提高了2一3倍,單體工作電壓可以高達1 . 5v ,從而使能量密度提高到碳基超級電容器的十倍。But the comprehensive properties were improved remarkably. with the addition of carbon nanotubes, the polarization of charging process decreased, the plateau of discharge became flatter and the migration of potential of peaks value of cyclic voltemmograms reduced. for the other hand, the exchange current increased, ohm resistance and electrochemical reaction resistance of the electrodes decreased, the diffusion resistance of hydrogen and the resistance of adsorption decreased, too
摻入碳納米管對儲氫合金電極的容量影響較小,但其電化學性能卻有較大的改善,主要體現在:充電的極化減小,放電平臺更加平穩、循環伏安曲線的峰值電位隨掃描速度增大的遷移量減小,交換電流密度增大,電極的歐姆電阻、電化學反應、擴散電阻和吸附電阻均減小。分享友人